mirror of
https://github.com/S3NEO/android_kernel_samsung_msm8226.git
synced 2024-11-07 03:47:13 +00:00
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core
This commit is contained in:
commit
075de90c46
12 changed files with 769 additions and 688 deletions
|
@ -401,6 +401,7 @@ LIB_H += util/include/dwarf-regs.h
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|||
LIB_H += util/include/asm/dwarf2.h
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LIB_H += util/include/asm/cpufeature.h
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LIB_H += perf.h
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LIB_H += util/annotate.h
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LIB_H += util/cache.h
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LIB_H += util/callchain.h
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LIB_H += util/build-id.h
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|
@ -444,6 +445,7 @@ LIB_H += $(ARCH_INCLUDE)
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|||
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LIB_OBJS += $(OUTPUT)util/abspath.o
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LIB_OBJS += $(OUTPUT)util/alias.o
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LIB_OBJS += $(OUTPUT)util/annotate.o
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LIB_OBJS += $(OUTPUT)util/build-id.o
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LIB_OBJS += $(OUTPUT)util/config.o
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LIB_OBJS += $(OUTPUT)util/ctype.o
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|
|
|
@ -9,6 +9,7 @@
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|||
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#include "util/util.h"
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#include "util/util.h"
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#include "util/color.h"
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#include <linux/list.h>
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#include "util/cache.h"
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@ -18,6 +19,7 @@
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#include "perf.h"
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#include "util/debug.h"
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#include "util/annotate.h"
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#include "util/event.h"
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#include "util/parse-options.h"
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#include "util/parse-events.h"
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@ -55,7 +57,18 @@ static int hists__add_entry(struct hists *self, struct addr_location *al)
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if (he == NULL)
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return -ENOMEM;
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return hist_entry__inc_addr_samples(he, al->addr);
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if (he->ms.sym != NULL) {
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/*
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* All aggregated on the first sym_hist.
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*/
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struct annotation *notes = symbol__annotation(he->ms.sym);
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if (notes->histograms == NULL && symbol__alloc_hist(he->ms.sym, 1) < 0)
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return -ENOMEM;
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return hist_entry__inc_addr_samples(he, 0, al->addr);
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}
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return 0;
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}
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static int process_sample_event(union perf_event *event,
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@ -79,245 +92,10 @@ static int process_sample_event(union perf_event *event,
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return 0;
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}
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static int objdump_line__print(struct objdump_line *self,
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struct list_head *head,
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struct hist_entry *he, u64 len)
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static int hist_entry__tty_annotate(struct hist_entry *he, int evidx)
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{
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struct symbol *sym = he->ms.sym;
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static const char *prev_line;
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static const char *prev_color;
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if (self->offset != -1) {
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const char *path = NULL;
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unsigned int hits = 0;
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double percent = 0.0;
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const char *color;
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struct sym_priv *priv = symbol__priv(sym);
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struct sym_ext *sym_ext = priv->ext;
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struct sym_hist *h = priv->hist;
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s64 offset = self->offset;
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struct objdump_line *next = objdump__get_next_ip_line(head, self);
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while (offset < (s64)len &&
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(next == NULL || offset < next->offset)) {
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if (sym_ext) {
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if (path == NULL)
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path = sym_ext[offset].path;
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percent += sym_ext[offset].percent;
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} else
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hits += h->ip[offset];
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++offset;
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}
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if (sym_ext == NULL && h->sum)
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percent = 100.0 * hits / h->sum;
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color = get_percent_color(percent);
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/*
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* Also color the filename and line if needed, with
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* the same color than the percentage. Don't print it
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* twice for close colored ip with the same filename:line
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*/
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if (path) {
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if (!prev_line || strcmp(prev_line, path)
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|| color != prev_color) {
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color_fprintf(stdout, color, " %s", path);
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prev_line = path;
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prev_color = color;
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}
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}
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color_fprintf(stdout, color, " %7.2f", percent);
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printf(" : ");
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color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line);
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} else {
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if (!*self->line)
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printf(" :\n");
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else
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printf(" : %s\n", self->line);
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}
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return 0;
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}
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static struct rb_root root_sym_ext;
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static void insert_source_line(struct sym_ext *sym_ext)
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{
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struct sym_ext *iter;
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struct rb_node **p = &root_sym_ext.rb_node;
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struct rb_node *parent = NULL;
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while (*p != NULL) {
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parent = *p;
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iter = rb_entry(parent, struct sym_ext, node);
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if (sym_ext->percent > iter->percent)
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p = &(*p)->rb_left;
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else
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p = &(*p)->rb_right;
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}
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rb_link_node(&sym_ext->node, parent, p);
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rb_insert_color(&sym_ext->node, &root_sym_ext);
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}
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static void free_source_line(struct hist_entry *he, int len)
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{
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struct sym_priv *priv = symbol__priv(he->ms.sym);
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struct sym_ext *sym_ext = priv->ext;
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int i;
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if (!sym_ext)
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return;
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for (i = 0; i < len; i++)
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free(sym_ext[i].path);
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free(sym_ext);
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priv->ext = NULL;
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root_sym_ext = RB_ROOT;
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}
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/* Get the filename:line for the colored entries */
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static void
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get_source_line(struct hist_entry *he, int len, const char *filename)
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{
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struct symbol *sym = he->ms.sym;
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u64 start;
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int i;
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char cmd[PATH_MAX * 2];
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struct sym_ext *sym_ext;
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struct sym_priv *priv = symbol__priv(sym);
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struct sym_hist *h = priv->hist;
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if (!h->sum)
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return;
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sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext));
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if (!priv->ext)
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return;
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start = he->ms.map->unmap_ip(he->ms.map, sym->start);
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for (i = 0; i < len; i++) {
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char *path = NULL;
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size_t line_len;
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u64 offset;
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FILE *fp;
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sym_ext[i].percent = 100.0 * h->ip[i] / h->sum;
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if (sym_ext[i].percent <= 0.5)
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continue;
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offset = start + i;
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sprintf(cmd, "addr2line -e %s %016" PRIx64, filename, offset);
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fp = popen(cmd, "r");
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if (!fp)
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continue;
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if (getline(&path, &line_len, fp) < 0 || !line_len)
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goto next;
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sym_ext[i].path = malloc(sizeof(char) * line_len + 1);
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if (!sym_ext[i].path)
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goto next;
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strcpy(sym_ext[i].path, path);
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insert_source_line(&sym_ext[i]);
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next:
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pclose(fp);
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}
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}
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static void print_summary(const char *filename)
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{
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struct sym_ext *sym_ext;
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struct rb_node *node;
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printf("\nSorted summary for file %s\n", filename);
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printf("----------------------------------------------\n\n");
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if (RB_EMPTY_ROOT(&root_sym_ext)) {
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printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
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return;
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}
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node = rb_first(&root_sym_ext);
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while (node) {
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double percent;
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const char *color;
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char *path;
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sym_ext = rb_entry(node, struct sym_ext, node);
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percent = sym_ext->percent;
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color = get_percent_color(percent);
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path = sym_ext->path;
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color_fprintf(stdout, color, " %7.2f %s", percent, path);
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node = rb_next(node);
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}
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}
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static void hist_entry__print_hits(struct hist_entry *self)
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{
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struct symbol *sym = self->ms.sym;
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struct sym_priv *priv = symbol__priv(sym);
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struct sym_hist *h = priv->hist;
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u64 len = sym->end - sym->start, offset;
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for (offset = 0; offset < len; ++offset)
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if (h->ip[offset] != 0)
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printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
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sym->start + offset, h->ip[offset]);
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printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
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}
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static int hist_entry__tty_annotate(struct hist_entry *he)
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{
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struct map *map = he->ms.map;
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struct dso *dso = map->dso;
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struct symbol *sym = he->ms.sym;
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const char *filename = dso->long_name, *d_filename;
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u64 len;
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LIST_HEAD(head);
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struct objdump_line *pos, *n;
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if (hist_entry__annotate(he, &head, 0) < 0)
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return -1;
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|
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if (full_paths)
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d_filename = filename;
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else
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d_filename = basename(filename);
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len = sym->end - sym->start;
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|
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if (print_line) {
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get_source_line(he, len, filename);
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print_summary(filename);
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}
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|
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printf("\n\n------------------------------------------------\n");
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printf(" Percent | Source code & Disassembly of %s\n", d_filename);
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printf("------------------------------------------------\n");
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|
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if (verbose)
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hist_entry__print_hits(he);
|
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|
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list_for_each_entry_safe(pos, n, &head, node) {
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objdump_line__print(pos, &head, he, len);
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list_del(&pos->node);
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objdump_line__free(pos);
|
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}
|
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|
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if (print_line)
|
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free_source_line(he, len);
|
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|
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return 0;
|
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return symbol__tty_annotate(he->ms.sym, he->ms.map, evidx,
|
||||
print_line, full_paths, 0, 0);
|
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}
|
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|
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static void hists__find_annotations(struct hists *self)
|
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|
@ -327,13 +105,13 @@ static void hists__find_annotations(struct hists *self)
|
|||
|
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while (nd) {
|
||||
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
|
||||
struct sym_priv *priv;
|
||||
struct annotation *notes;
|
||||
|
||||
if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
|
||||
goto find_next;
|
||||
|
||||
priv = symbol__priv(he->ms.sym);
|
||||
if (priv->hist == NULL) {
|
||||
notes = symbol__annotation(he->ms.sym);
|
||||
if (notes->histograms == NULL) {
|
||||
find_next:
|
||||
if (key == KEY_LEFT)
|
||||
nd = rb_prev(nd);
|
||||
|
@ -343,7 +121,8 @@ find_next:
|
|||
}
|
||||
|
||||
if (use_browser > 0) {
|
||||
key = hist_entry__tui_annotate(he);
|
||||
/* For now all is aggregated on the first */
|
||||
key = hist_entry__tui_annotate(he, 0);
|
||||
switch (key) {
|
||||
case KEY_RIGHT:
|
||||
next = rb_next(nd);
|
||||
|
@ -358,15 +137,16 @@ find_next:
|
|||
if (next != NULL)
|
||||
nd = next;
|
||||
} else {
|
||||
hist_entry__tty_annotate(he);
|
||||
/* For now all is aggregated on the first */
|
||||
hist_entry__tty_annotate(he, 0);
|
||||
nd = rb_next(nd);
|
||||
/*
|
||||
* Since we have a hist_entry per IP for the same
|
||||
* symbol, free he->ms.sym->hist to signal we already
|
||||
* symbol, free he->ms.sym->histogram to signal we already
|
||||
* processed this symbol.
|
||||
*/
|
||||
free(priv->hist);
|
||||
priv->hist = NULL;
|
||||
free(notes->histograms);
|
||||
notes->histograms = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -454,7 +234,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
|
|||
|
||||
setup_browser(true);
|
||||
|
||||
symbol_conf.priv_size = sizeof(struct sym_priv);
|
||||
symbol_conf.priv_size = sizeof(struct annotation);
|
||||
symbol_conf.try_vmlinux_path = true;
|
||||
|
||||
if (symbol__init() < 0)
|
||||
|
|
|
@ -9,6 +9,7 @@
|
|||
|
||||
#include "util/util.h"
|
||||
|
||||
#include "util/annotate.h"
|
||||
#include "util/color.h"
|
||||
#include <linux/list.h>
|
||||
#include "util/cache.h"
|
||||
|
@ -117,8 +118,17 @@ static int perf_session__add_hist_entry(struct perf_session *session,
|
|||
* so we don't allocated the extra space needed because the stdio
|
||||
* code will not use it.
|
||||
*/
|
||||
if (use_browser > 0)
|
||||
err = hist_entry__inc_addr_samples(he, al->addr);
|
||||
if (al->sym != NULL && use_browser > 0) {
|
||||
/*
|
||||
* All aggregated on the first sym_hist.
|
||||
*/
|
||||
struct annotation *notes = symbol__annotation(he->ms.sym);
|
||||
if (notes->histograms == NULL &&
|
||||
symbol__alloc_hist(he->ms.sym, 1) < 0)
|
||||
err = -ENOMEM;
|
||||
else
|
||||
err = hist_entry__inc_addr_samples(he, 0, al->addr);
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
@ -348,7 +358,7 @@ static int __cmd_report(void)
|
|||
}
|
||||
|
||||
if (use_browser > 0)
|
||||
hists__tui_browse_tree(&session->hists_tree, help);
|
||||
hists__tui_browse_tree(&session->hists_tree, help, 0);
|
||||
else
|
||||
hists__tty_browse_tree(&session->hists_tree, help);
|
||||
|
||||
|
@ -508,7 +518,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
|
|||
* implementation.
|
||||
*/
|
||||
if (use_browser > 0) {
|
||||
symbol_conf.priv_size = sizeof(struct sym_priv);
|
||||
symbol_conf.priv_size = sizeof(struct annotation);
|
||||
/*
|
||||
* For searching by name on the "Browse map details".
|
||||
* providing it only in verbose mode not to bloat too
|
||||
|
|
|
@ -20,6 +20,7 @@
|
|||
|
||||
#include "perf.h"
|
||||
|
||||
#include "util/annotate.h"
|
||||
#include "util/cache.h"
|
||||
#include "util/color.h"
|
||||
#include "util/evlist.h"
|
||||
|
@ -140,10 +141,7 @@ static int parse_source(struct sym_entry *syme)
|
|||
struct symbol *sym;
|
||||
struct sym_entry_source *source;
|
||||
struct map *map;
|
||||
FILE *file;
|
||||
char command[PATH_MAX*2];
|
||||
const char *path;
|
||||
u64 len;
|
||||
int err = -1;
|
||||
|
||||
if (!syme)
|
||||
return -1;
|
||||
|
@ -162,197 +160,80 @@ static int parse_source(struct sym_entry *syme)
|
|||
if (syme->src == NULL)
|
||||
return -1;
|
||||
pthread_mutex_init(&syme->src->lock, NULL);
|
||||
INIT_LIST_HEAD(&syme->src->head);
|
||||
}
|
||||
|
||||
source = syme->src;
|
||||
|
||||
if (source->lines) {
|
||||
if (symbol__annotation(sym)->histograms != NULL) {
|
||||
pthread_mutex_lock(&source->lock);
|
||||
goto out_assign;
|
||||
}
|
||||
path = map->dso->long_name;
|
||||
|
||||
len = sym->end - sym->start;
|
||||
|
||||
sprintf(command,
|
||||
"objdump --start-address=%#0*" PRIx64 " --stop-address=%#0*" PRIx64 " -dS %s",
|
||||
BITS_PER_LONG / 4, map__rip_2objdump(map, sym->start),
|
||||
BITS_PER_LONG / 4, map__rip_2objdump(map, sym->end), path);
|
||||
|
||||
file = popen(command, "r");
|
||||
if (!file)
|
||||
return -1;
|
||||
|
||||
pthread_mutex_lock(&source->lock);
|
||||
source->lines_tail = &source->lines;
|
||||
while (!feof(file)) {
|
||||
struct source_line *src;
|
||||
size_t dummy = 0;
|
||||
char *c, *sep;
|
||||
|
||||
src = malloc(sizeof(struct source_line));
|
||||
assert(src != NULL);
|
||||
memset(src, 0, sizeof(struct source_line));
|
||||
|
||||
if (getline(&src->line, &dummy, file) < 0)
|
||||
break;
|
||||
if (!src->line)
|
||||
break;
|
||||
|
||||
c = strchr(src->line, '\n');
|
||||
if (c)
|
||||
*c = 0;
|
||||
|
||||
src->next = NULL;
|
||||
*source->lines_tail = src;
|
||||
source->lines_tail = &src->next;
|
||||
|
||||
src->eip = strtoull(src->line, &sep, 16);
|
||||
if (*sep == ':')
|
||||
src->eip = map__objdump_2ip(map, src->eip);
|
||||
else /* this line has no ip info (e.g. source line) */
|
||||
src->eip = 0;
|
||||
if (symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
|
||||
pr_err("Not enough memory for annotating '%s' symbol!\n",
|
||||
sym->name);
|
||||
goto out_unlock;
|
||||
}
|
||||
pclose(file);
|
||||
|
||||
err = symbol__annotate(sym, syme->map, &source->head, 0);
|
||||
if (err == 0) {
|
||||
out_assign:
|
||||
sym_filter_entry = syme;
|
||||
}
|
||||
out_unlock:
|
||||
pthread_mutex_unlock(&source->lock);
|
||||
return 0;
|
||||
return err;
|
||||
}
|
||||
|
||||
static void __zero_source_counters(struct sym_entry *syme)
|
||||
{
|
||||
int i;
|
||||
struct source_line *line;
|
||||
|
||||
line = syme->src->lines;
|
||||
while (line) {
|
||||
for (i = 0; i < top.evlist->nr_entries; i++)
|
||||
line->count[i] = 0;
|
||||
line = line->next;
|
||||
}
|
||||
struct symbol *sym = sym_entry__symbol(syme);
|
||||
symbol__annotate_zero_histograms(sym);
|
||||
}
|
||||
|
||||
static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip)
|
||||
{
|
||||
struct source_line *line;
|
||||
|
||||
if (syme != sym_filter_entry)
|
||||
return;
|
||||
|
||||
if (pthread_mutex_trylock(&syme->src->lock))
|
||||
return;
|
||||
|
||||
if (syme->src == NULL || syme->src->source == NULL)
|
||||
goto out_unlock;
|
||||
ip = syme->map->map_ip(syme->map, ip);
|
||||
symbol__inc_addr_samples(sym_entry__symbol(syme), syme->map, counter, ip);
|
||||
|
||||
for (line = syme->src->lines; line; line = line->next) {
|
||||
/* skip lines without IP info */
|
||||
if (line->eip == 0)
|
||||
continue;
|
||||
if (line->eip == ip) {
|
||||
line->count[counter]++;
|
||||
break;
|
||||
}
|
||||
if (line->eip > ip)
|
||||
break;
|
||||
}
|
||||
out_unlock:
|
||||
pthread_mutex_unlock(&syme->src->lock);
|
||||
}
|
||||
|
||||
#define PATTERN_LEN (BITS_PER_LONG / 4 + 2)
|
||||
|
||||
static void lookup_sym_source(struct sym_entry *syme)
|
||||
{
|
||||
struct symbol *symbol = sym_entry__symbol(syme);
|
||||
struct source_line *line;
|
||||
char pattern[PATTERN_LEN + 1];
|
||||
|
||||
sprintf(pattern, "%0*" PRIx64 " <", BITS_PER_LONG / 4,
|
||||
map__rip_2objdump(syme->map, symbol->start));
|
||||
|
||||
pthread_mutex_lock(&syme->src->lock);
|
||||
for (line = syme->src->lines; line; line = line->next) {
|
||||
if (memcmp(line->line, pattern, PATTERN_LEN) == 0) {
|
||||
syme->src->source = line;
|
||||
break;
|
||||
}
|
||||
}
|
||||
pthread_mutex_unlock(&syme->src->lock);
|
||||
}
|
||||
|
||||
static void show_lines(struct source_line *queue, int count, int total)
|
||||
{
|
||||
int i;
|
||||
struct source_line *line;
|
||||
|
||||
line = queue;
|
||||
for (i = 0; i < count; i++) {
|
||||
float pcnt = 100.0*(float)line->count[top.sym_counter]/(float)total;
|
||||
|
||||
printf("%8li %4.1f%%\t%s\n", line->count[top.sym_counter], pcnt, line->line);
|
||||
line = line->next;
|
||||
}
|
||||
}
|
||||
|
||||
#define TRACE_COUNT 3
|
||||
|
||||
static void show_details(struct sym_entry *syme)
|
||||
{
|
||||
struct symbol *symbol;
|
||||
struct source_line *line;
|
||||
struct source_line *line_queue = NULL;
|
||||
int displayed = 0;
|
||||
int line_queue_count = 0, total = 0, more = 0;
|
||||
int more;
|
||||
|
||||
if (!syme)
|
||||
return;
|
||||
|
||||
if (!syme->src->source)
|
||||
lookup_sym_source(syme);
|
||||
|
||||
if (!syme->src->source)
|
||||
symbol = sym_entry__symbol(syme);
|
||||
if (!syme->src || symbol__annotation(symbol)->histograms == NULL)
|
||||
return;
|
||||
|
||||
symbol = sym_entry__symbol(syme);
|
||||
printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name);
|
||||
printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter);
|
||||
|
||||
pthread_mutex_lock(&syme->src->lock);
|
||||
line = syme->src->source;
|
||||
while (line) {
|
||||
total += line->count[top.sym_counter];
|
||||
line = line->next;
|
||||
}
|
||||
|
||||
line = syme->src->source;
|
||||
while (line) {
|
||||
float pcnt = 0.0;
|
||||
|
||||
if (!line_queue_count)
|
||||
line_queue = line;
|
||||
line_queue_count++;
|
||||
|
||||
if (line->count[top.sym_counter])
|
||||
pcnt = 100.0 * line->count[top.sym_counter] / (float)total;
|
||||
if (pcnt >= (float)sym_pcnt_filter) {
|
||||
if (displayed <= top.print_entries)
|
||||
show_lines(line_queue, line_queue_count, total);
|
||||
else more++;
|
||||
displayed += line_queue_count;
|
||||
line_queue_count = 0;
|
||||
line_queue = NULL;
|
||||
} else if (line_queue_count > TRACE_COUNT) {
|
||||
line_queue = line_queue->next;
|
||||
line_queue_count--;
|
||||
}
|
||||
|
||||
line->count[top.sym_counter] = top.zero ? 0 : line->count[top.sym_counter] * 7 / 8;
|
||||
line = line->next;
|
||||
}
|
||||
more = symbol__annotate_printf(symbol, syme->map, &syme->src->head,
|
||||
top.sym_evsel->idx, 0, sym_pcnt_filter,
|
||||
top.print_entries);
|
||||
if (top.zero)
|
||||
symbol__annotate_zero_histogram(symbol, top.sym_evsel->idx);
|
||||
else
|
||||
symbol__annotate_decay_histogram(symbol, &syme->src->head,
|
||||
top.sym_evsel->idx);
|
||||
pthread_mutex_unlock(&syme->src->lock);
|
||||
if (more)
|
||||
if (more != 0)
|
||||
printf("%d lines not displayed, maybe increase display entries [e]\n", more);
|
||||
}
|
||||
|
||||
|
@ -787,9 +668,6 @@ static int symbol_filter(struct map *map, struct symbol *sym)
|
|||
}
|
||||
}
|
||||
|
||||
if (!syme->skip)
|
||||
syme->name_len = strlen(sym->name);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -1175,7 +1053,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
|
|||
|
||||
top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
|
||||
|
||||
symbol_conf.priv_size = (sizeof(struct sym_entry) +
|
||||
symbol_conf.priv_size = (sizeof(struct sym_entry) + sizeof(struct annotation) +
|
||||
(top.evlist->nr_entries + 1) * sizeof(unsigned long));
|
||||
|
||||
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
|
||||
|
|
550
tools/perf/util/annotate.c
Normal file
550
tools/perf/util/annotate.c
Normal file
|
@ -0,0 +1,550 @@
|
|||
/*
|
||||
* Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
|
||||
*
|
||||
* Parts came from builtin-annotate.c, see those files for further
|
||||
* copyright notes.
|
||||
*
|
||||
* Released under the GPL v2. (and only v2, not any later version)
|
||||
*/
|
||||
|
||||
#include "util.h"
|
||||
#include "build-id.h"
|
||||
#include "color.h"
|
||||
#include "cache.h"
|
||||
#include "symbol.h"
|
||||
#include "debug.h"
|
||||
#include "annotate.h"
|
||||
|
||||
int symbol__alloc_hist(struct symbol *sym, int nevents)
|
||||
{
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
|
||||
notes->sizeof_sym_hist = (sizeof(*notes->histograms) +
|
||||
(sym->end - sym->start) * sizeof(u64));
|
||||
notes->histograms = calloc(nevents, notes->sizeof_sym_hist);
|
||||
notes->nr_histograms = nevents;
|
||||
return notes->histograms == NULL ? -1 : 0;
|
||||
}
|
||||
|
||||
void symbol__annotate_zero_histograms(struct symbol *sym)
|
||||
{
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
|
||||
if (notes->histograms != NULL)
|
||||
memset(notes->histograms, 0,
|
||||
notes->nr_histograms * notes->sizeof_sym_hist);
|
||||
}
|
||||
|
||||
int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
|
||||
int evidx, u64 addr)
|
||||
{
|
||||
unsigned offset;
|
||||
struct annotation *notes;
|
||||
struct sym_hist *h;
|
||||
|
||||
notes = symbol__annotation(sym);
|
||||
if (notes->histograms == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
|
||||
|
||||
if (addr >= sym->end)
|
||||
return 0;
|
||||
|
||||
offset = addr - sym->start;
|
||||
h = annotation__histogram(notes, evidx);
|
||||
h->sum++;
|
||||
h->addr[offset]++;
|
||||
|
||||
pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64
|
||||
", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name,
|
||||
addr, addr - sym->start, evidx, h->addr[offset]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize)
|
||||
{
|
||||
struct objdump_line *self = malloc(sizeof(*self) + privsize);
|
||||
|
||||
if (self != NULL) {
|
||||
self->offset = offset;
|
||||
self->line = line;
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
void objdump_line__free(struct objdump_line *self)
|
||||
{
|
||||
free(self->line);
|
||||
free(self);
|
||||
}
|
||||
|
||||
static void objdump__add_line(struct list_head *head, struct objdump_line *line)
|
||||
{
|
||||
list_add_tail(&line->node, head);
|
||||
}
|
||||
|
||||
struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
|
||||
struct objdump_line *pos)
|
||||
{
|
||||
list_for_each_entry_continue(pos, head, node)
|
||||
if (pos->offset >= 0)
|
||||
return pos;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int objdump_line__print(struct objdump_line *oline,
|
||||
struct list_head *head, struct symbol *sym,
|
||||
int evidx, u64 len, int min_pcnt,
|
||||
int printed, int max_lines)
|
||||
{
|
||||
static const char *prev_line;
|
||||
static const char *prev_color;
|
||||
|
||||
if (oline->offset != -1) {
|
||||
const char *path = NULL;
|
||||
unsigned int hits = 0;
|
||||
double percent = 0.0;
|
||||
const char *color;
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
struct source_line *src_line = notes->src_line;
|
||||
struct sym_hist *h = annotation__histogram(notes, evidx);
|
||||
s64 offset = oline->offset;
|
||||
struct objdump_line *next = objdump__get_next_ip_line(head, oline);
|
||||
|
||||
while (offset < (s64)len &&
|
||||
(next == NULL || offset < next->offset)) {
|
||||
if (src_line) {
|
||||
if (path == NULL)
|
||||
path = src_line[offset].path;
|
||||
percent += src_line[offset].percent;
|
||||
} else
|
||||
hits += h->addr[offset];
|
||||
|
||||
++offset;
|
||||
}
|
||||
|
||||
if (src_line == NULL && h->sum)
|
||||
percent = 100.0 * hits / h->sum;
|
||||
|
||||
if (percent < min_pcnt)
|
||||
return -1;
|
||||
|
||||
if (printed >= max_lines)
|
||||
return 1;
|
||||
|
||||
color = get_percent_color(percent);
|
||||
|
||||
/*
|
||||
* Also color the filename and line if needed, with
|
||||
* the same color than the percentage. Don't print it
|
||||
* twice for close colored addr with the same filename:line
|
||||
*/
|
||||
if (path) {
|
||||
if (!prev_line || strcmp(prev_line, path)
|
||||
|| color != prev_color) {
|
||||
color_fprintf(stdout, color, " %s", path);
|
||||
prev_line = path;
|
||||
prev_color = color;
|
||||
}
|
||||
}
|
||||
|
||||
color_fprintf(stdout, color, " %7.2f", percent);
|
||||
printf(" : ");
|
||||
color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", oline->line);
|
||||
} else if (printed >= max_lines)
|
||||
return 1;
|
||||
else {
|
||||
if (!*oline->line)
|
||||
printf(" :\n");
|
||||
else
|
||||
printf(" : %s\n", oline->line);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, FILE *file,
|
||||
struct list_head *head, size_t privsize)
|
||||
{
|
||||
struct objdump_line *objdump_line;
|
||||
char *line = NULL, *tmp, *tmp2, *c;
|
||||
size_t line_len;
|
||||
s64 line_ip, offset = -1;
|
||||
|
||||
if (getline(&line, &line_len, file) < 0)
|
||||
return -1;
|
||||
|
||||
if (!line)
|
||||
return -1;
|
||||
|
||||
while (line_len != 0 && isspace(line[line_len - 1]))
|
||||
line[--line_len] = '\0';
|
||||
|
||||
c = strchr(line, '\n');
|
||||
if (c)
|
||||
*c = 0;
|
||||
|
||||
line_ip = -1;
|
||||
|
||||
/*
|
||||
* Strip leading spaces:
|
||||
*/
|
||||
tmp = line;
|
||||
while (*tmp) {
|
||||
if (*tmp != ' ')
|
||||
break;
|
||||
tmp++;
|
||||
}
|
||||
|
||||
if (*tmp) {
|
||||
/*
|
||||
* Parse hexa addresses followed by ':'
|
||||
*/
|
||||
line_ip = strtoull(tmp, &tmp2, 16);
|
||||
if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0')
|
||||
line_ip = -1;
|
||||
}
|
||||
|
||||
if (line_ip != -1) {
|
||||
u64 start = map__rip_2objdump(map, sym->start),
|
||||
end = map__rip_2objdump(map, sym->end);
|
||||
|
||||
offset = line_ip - start;
|
||||
if (offset < 0 || (u64)line_ip > end)
|
||||
offset = -1;
|
||||
}
|
||||
|
||||
objdump_line = objdump_line__new(offset, line, privsize);
|
||||
if (objdump_line == NULL) {
|
||||
free(line);
|
||||
return -1;
|
||||
}
|
||||
objdump__add_line(head, objdump_line);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int symbol__annotate(struct symbol *sym, struct map *map,
|
||||
struct list_head *head, size_t privsize)
|
||||
{
|
||||
struct dso *dso = map->dso;
|
||||
char *filename = dso__build_id_filename(dso, NULL, 0);
|
||||
bool free_filename = true;
|
||||
char command[PATH_MAX * 2];
|
||||
FILE *file;
|
||||
int err = 0;
|
||||
u64 len;
|
||||
char symfs_filename[PATH_MAX];
|
||||
|
||||
if (filename) {
|
||||
snprintf(symfs_filename, sizeof(symfs_filename), "%s%s",
|
||||
symbol_conf.symfs, filename);
|
||||
}
|
||||
|
||||
if (filename == NULL) {
|
||||
if (dso->has_build_id) {
|
||||
pr_err("Can't annotate %s: not enough memory\n",
|
||||
sym->name);
|
||||
return -ENOMEM;
|
||||
}
|
||||
goto fallback;
|
||||
} else if (readlink(symfs_filename, command, sizeof(command)) < 0 ||
|
||||
strstr(command, "[kernel.kallsyms]") ||
|
||||
access(symfs_filename, R_OK)) {
|
||||
free(filename);
|
||||
fallback:
|
||||
/*
|
||||
* If we don't have build-ids or the build-id file isn't in the
|
||||
* cache, or is just a kallsyms file, well, lets hope that this
|
||||
* DSO is the same as when 'perf record' ran.
|
||||
*/
|
||||
filename = dso->long_name;
|
||||
snprintf(symfs_filename, sizeof(symfs_filename), "%s%s",
|
||||
symbol_conf.symfs, filename);
|
||||
free_filename = false;
|
||||
}
|
||||
|
||||
if (dso->origin == DSO__ORIG_KERNEL) {
|
||||
if (dso->annotate_warned)
|
||||
goto out_free_filename;
|
||||
err = -ENOENT;
|
||||
dso->annotate_warned = 1;
|
||||
pr_err("Can't annotate %s: No vmlinux file was found in the "
|
||||
"path\n", sym->name);
|
||||
goto out_free_filename;
|
||||
}
|
||||
|
||||
pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
|
||||
filename, sym->name, map->unmap_ip(map, sym->start),
|
||||
map->unmap_ip(map, sym->end));
|
||||
|
||||
len = sym->end - sym->start;
|
||||
|
||||
pr_debug("annotating [%p] %30s : [%p] %30s\n",
|
||||
dso, dso->long_name, sym, sym->name);
|
||||
|
||||
snprintf(command, sizeof(command),
|
||||
"objdump --start-address=0x%016" PRIx64
|
||||
" --stop-address=0x%016" PRIx64 " -dS -C %s|grep -v %s|expand",
|
||||
map__rip_2objdump(map, sym->start),
|
||||
map__rip_2objdump(map, sym->end),
|
||||
symfs_filename, filename);
|
||||
|
||||
pr_debug("Executing: %s\n", command);
|
||||
|
||||
file = popen(command, "r");
|
||||
if (!file)
|
||||
goto out_free_filename;
|
||||
|
||||
while (!feof(file))
|
||||
if (symbol__parse_objdump_line(sym, map, file, head, privsize) < 0)
|
||||
break;
|
||||
|
||||
pclose(file);
|
||||
out_free_filename:
|
||||
if (free_filename)
|
||||
free(filename);
|
||||
return err;
|
||||
}
|
||||
|
||||
static void insert_source_line(struct rb_root *root, struct source_line *src_line)
|
||||
{
|
||||
struct source_line *iter;
|
||||
struct rb_node **p = &root->rb_node;
|
||||
struct rb_node *parent = NULL;
|
||||
|
||||
while (*p != NULL) {
|
||||
parent = *p;
|
||||
iter = rb_entry(parent, struct source_line, node);
|
||||
|
||||
if (src_line->percent > iter->percent)
|
||||
p = &(*p)->rb_left;
|
||||
else
|
||||
p = &(*p)->rb_right;
|
||||
}
|
||||
|
||||
rb_link_node(&src_line->node, parent, p);
|
||||
rb_insert_color(&src_line->node, root);
|
||||
}
|
||||
|
||||
static void symbol__free_source_line(struct symbol *sym, int len)
|
||||
{
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
struct source_line *src_line = notes->src_line;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < len; i++)
|
||||
free(src_line[i].path);
|
||||
|
||||
free(src_line);
|
||||
notes->src_line = NULL;
|
||||
}
|
||||
|
||||
/* Get the filename:line for the colored entries */
|
||||
static int symbol__get_source_line(struct symbol *sym, struct map *map,
|
||||
int evidx, struct rb_root *root, int len,
|
||||
const char *filename)
|
||||
{
|
||||
u64 start;
|
||||
int i;
|
||||
char cmd[PATH_MAX * 2];
|
||||
struct source_line *src_line;
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
struct sym_hist *h = annotation__histogram(notes, evidx);
|
||||
|
||||
if (!h->sum)
|
||||
return 0;
|
||||
|
||||
src_line = notes->src_line = calloc(len, sizeof(struct source_line));
|
||||
if (!notes->src_line)
|
||||
return -1;
|
||||
|
||||
start = map->unmap_ip(map, sym->start);
|
||||
|
||||
for (i = 0; i < len; i++) {
|
||||
char *path = NULL;
|
||||
size_t line_len;
|
||||
u64 offset;
|
||||
FILE *fp;
|
||||
|
||||
src_line[i].percent = 100.0 * h->addr[i] / h->sum;
|
||||
if (src_line[i].percent <= 0.5)
|
||||
continue;
|
||||
|
||||
offset = start + i;
|
||||
sprintf(cmd, "addr2line -e %s %016" PRIx64, filename, offset);
|
||||
fp = popen(cmd, "r");
|
||||
if (!fp)
|
||||
continue;
|
||||
|
||||
if (getline(&path, &line_len, fp) < 0 || !line_len)
|
||||
goto next;
|
||||
|
||||
src_line[i].path = malloc(sizeof(char) * line_len + 1);
|
||||
if (!src_line[i].path)
|
||||
goto next;
|
||||
|
||||
strcpy(src_line[i].path, path);
|
||||
insert_source_line(root, &src_line[i]);
|
||||
|
||||
next:
|
||||
pclose(fp);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void print_summary(struct rb_root *root, const char *filename)
|
||||
{
|
||||
struct source_line *src_line;
|
||||
struct rb_node *node;
|
||||
|
||||
printf("\nSorted summary for file %s\n", filename);
|
||||
printf("----------------------------------------------\n\n");
|
||||
|
||||
if (RB_EMPTY_ROOT(root)) {
|
||||
printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
|
||||
return;
|
||||
}
|
||||
|
||||
node = rb_first(root);
|
||||
while (node) {
|
||||
double percent;
|
||||
const char *color;
|
||||
char *path;
|
||||
|
||||
src_line = rb_entry(node, struct source_line, node);
|
||||
percent = src_line->percent;
|
||||
color = get_percent_color(percent);
|
||||
path = src_line->path;
|
||||
|
||||
color_fprintf(stdout, color, " %7.2f %s", percent, path);
|
||||
node = rb_next(node);
|
||||
}
|
||||
}
|
||||
|
||||
static void symbol__annotate_hits(struct symbol *sym, int evidx)
|
||||
{
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
struct sym_hist *h = annotation__histogram(notes, evidx);
|
||||
u64 len = sym->end - sym->start, offset;
|
||||
|
||||
for (offset = 0; offset < len; ++offset)
|
||||
if (h->addr[offset] != 0)
|
||||
printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
|
||||
sym->start + offset, h->addr[offset]);
|
||||
printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
|
||||
}
|
||||
|
||||
int symbol__annotate_printf(struct symbol *sym, struct map *map,
|
||||
struct list_head *head, int evidx, bool full_paths,
|
||||
int min_pcnt, int max_lines)
|
||||
{
|
||||
struct dso *dso = map->dso;
|
||||
const char *filename = dso->long_name, *d_filename;
|
||||
struct objdump_line *pos;
|
||||
int printed = 2;
|
||||
int more = 0;
|
||||
u64 len;
|
||||
|
||||
if (full_paths)
|
||||
d_filename = filename;
|
||||
else
|
||||
d_filename = basename(filename);
|
||||
|
||||
len = sym->end - sym->start;
|
||||
|
||||
printf(" Percent | Source code & Disassembly of %s\n", d_filename);
|
||||
printf("------------------------------------------------\n");
|
||||
|
||||
if (verbose)
|
||||
symbol__annotate_hits(sym, evidx);
|
||||
|
||||
list_for_each_entry(pos, head, node) {
|
||||
switch (objdump_line__print(pos, head, sym, evidx, len, min_pcnt,
|
||||
printed, max_lines)) {
|
||||
case 0:
|
||||
++printed;
|
||||
break;
|
||||
case 1:
|
||||
/* filtered by max_lines */
|
||||
++more;
|
||||
break;
|
||||
case -1:
|
||||
default:
|
||||
/* filtered by min_pcnt */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return more;
|
||||
}
|
||||
|
||||
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
|
||||
{
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
struct sym_hist *h = annotation__histogram(notes, evidx);
|
||||
|
||||
memset(h, 0, notes->sizeof_sym_hist);
|
||||
}
|
||||
|
||||
void symbol__annotate_decay_histogram(struct symbol *sym,
|
||||
struct list_head *head, int evidx)
|
||||
{
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
struct sym_hist *h = annotation__histogram(notes, evidx);
|
||||
struct objdump_line *pos;
|
||||
|
||||
h->sum = 0;
|
||||
|
||||
list_for_each_entry(pos, head, node) {
|
||||
if (pos->offset != -1) {
|
||||
h->addr[pos->offset] = h->addr[pos->offset] * 7 / 8;
|
||||
h->sum += h->addr[pos->offset];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void objdump_line_list__purge(struct list_head *head)
|
||||
{
|
||||
struct objdump_line *pos, *n;
|
||||
|
||||
list_for_each_entry_safe(pos, n, head, node) {
|
||||
list_del(&pos->node);
|
||||
objdump_line__free(pos);
|
||||
}
|
||||
}
|
||||
|
||||
int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
|
||||
bool print_lines, bool full_paths, int min_pcnt,
|
||||
int max_lines)
|
||||
{
|
||||
struct dso *dso = map->dso;
|
||||
const char *filename = dso->long_name;
|
||||
struct rb_root source_line = RB_ROOT;
|
||||
LIST_HEAD(head);
|
||||
u64 len;
|
||||
|
||||
if (symbol__annotate(sym, map, &head, 0) < 0)
|
||||
return -1;
|
||||
|
||||
len = sym->end - sym->start;
|
||||
|
||||
if (print_lines) {
|
||||
symbol__get_source_line(sym, map, evidx, &source_line,
|
||||
len, filename);
|
||||
print_summary(&source_line, filename);
|
||||
}
|
||||
|
||||
symbol__annotate_printf(sym, map, &head, evidx, full_paths,
|
||||
min_pcnt, max_lines);
|
||||
if (print_lines)
|
||||
symbol__free_source_line(sym, len);
|
||||
|
||||
objdump_line_list__purge(&head);
|
||||
|
||||
return 0;
|
||||
}
|
94
tools/perf/util/annotate.h
Normal file
94
tools/perf/util/annotate.h
Normal file
|
@ -0,0 +1,94 @@
|
|||
#ifndef __PERF_ANNOTATE_H
|
||||
#define __PERF_ANNOTATE_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include "types.h"
|
||||
#include "symbol.h"
|
||||
#include <linux/list.h>
|
||||
#include <linux/rbtree.h>
|
||||
|
||||
struct objdump_line {
|
||||
struct list_head node;
|
||||
s64 offset;
|
||||
char *line;
|
||||
};
|
||||
|
||||
void objdump_line__free(struct objdump_line *self);
|
||||
struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
|
||||
struct objdump_line *pos);
|
||||
|
||||
struct sym_hist {
|
||||
u64 sum;
|
||||
u64 addr[0];
|
||||
};
|
||||
|
||||
struct source_line {
|
||||
struct rb_node node;
|
||||
double percent;
|
||||
char *path;
|
||||
};
|
||||
|
||||
/** struct annotation - symbols with hits have this attached as in sannotation
|
||||
*
|
||||
* @histogram: Array of addr hit histograms per event being monitored
|
||||
* @src_line: If 'print_lines' is specified, per source code line percentages
|
||||
*
|
||||
* src_line is allocated, percentages calculated and all sorted by percentage
|
||||
* when the annotation is about to be presented, so the percentages are for
|
||||
* one of the entries in the histogram array, i.e. for the event/counter being
|
||||
* presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
|
||||
* returns.
|
||||
*/
|
||||
struct annotation {
|
||||
struct source_line *src_line;
|
||||
struct sym_hist *histograms;
|
||||
int nr_histograms;
|
||||
int sizeof_sym_hist;
|
||||
};
|
||||
|
||||
struct sannotation {
|
||||
struct annotation annotation;
|
||||
struct symbol symbol;
|
||||
};
|
||||
|
||||
static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
|
||||
{
|
||||
return ((void *)notes->histograms) + (notes->sizeof_sym_hist * idx);
|
||||
}
|
||||
|
||||
static inline struct annotation *symbol__annotation(struct symbol *sym)
|
||||
{
|
||||
struct sannotation *a = container_of(sym, struct sannotation, symbol);
|
||||
return &a->annotation;
|
||||
}
|
||||
|
||||
int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
|
||||
int evidx, u64 addr);
|
||||
int symbol__alloc_hist(struct symbol *sym, int nevents);
|
||||
void symbol__annotate_zero_histograms(struct symbol *sym);
|
||||
|
||||
int symbol__annotate(struct symbol *sym, struct map *map,
|
||||
struct list_head *head, size_t privsize);
|
||||
int symbol__annotate_printf(struct symbol *sym, struct map *map,
|
||||
struct list_head *head, int evidx, bool full_paths,
|
||||
int min_pcnt, int max_lines);
|
||||
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
|
||||
void symbol__annotate_decay_histogram(struct symbol *sym,
|
||||
struct list_head *head, int evidx);
|
||||
void objdump_line_list__purge(struct list_head *head);
|
||||
|
||||
int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
|
||||
bool print_lines, bool full_paths, int min_pcnt,
|
||||
int max_lines);
|
||||
|
||||
#ifdef NO_NEWT_SUPPORT
|
||||
static inline int symbol__tui_annotate(symbol *sym __used,
|
||||
struct map *map __used, int evidx __used)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx);
|
||||
#endif
|
||||
|
||||
#endif /* __PERF_ANNOTATE_H */
|
|
@ -1,3 +1,4 @@
|
|||
#include "annotate.h"
|
||||
#include "util.h"
|
||||
#include "build-id.h"
|
||||
#include "hist.h"
|
||||
|
@ -949,225 +950,15 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread)
|
|||
}
|
||||
}
|
||||
|
||||
static int symbol__alloc_hist(struct symbol *self)
|
||||
int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip)
|
||||
{
|
||||
struct sym_priv *priv = symbol__priv(self);
|
||||
const int size = (sizeof(*priv->hist) +
|
||||
(self->end - self->start) * sizeof(u64));
|
||||
|
||||
priv->hist = zalloc(size);
|
||||
return priv->hist == NULL ? -1 : 0;
|
||||
return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip);
|
||||
}
|
||||
|
||||
int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip)
|
||||
{
|
||||
unsigned int sym_size, offset;
|
||||
struct symbol *sym = self->ms.sym;
|
||||
struct sym_priv *priv;
|
||||
struct sym_hist *h;
|
||||
|
||||
if (!sym || !self->ms.map)
|
||||
return 0;
|
||||
|
||||
priv = symbol__priv(sym);
|
||||
if (priv->hist == NULL && symbol__alloc_hist(sym) < 0)
|
||||
return -ENOMEM;
|
||||
|
||||
sym_size = sym->end - sym->start;
|
||||
offset = ip - sym->start;
|
||||
|
||||
pr_debug3("%s: ip=%#" PRIx64 "\n", __func__, self->ms.map->unmap_ip(self->ms.map, ip));
|
||||
|
||||
if (offset >= sym_size)
|
||||
return 0;
|
||||
|
||||
h = priv->hist;
|
||||
h->sum++;
|
||||
h->ip[offset]++;
|
||||
|
||||
pr_debug3("%#" PRIx64 " %s: period++ [ip: %#" PRIx64 ", %#" PRIx64
|
||||
"] => %" PRIu64 "\n", self->ms.sym->start, self->ms.sym->name,
|
||||
ip, ip - self->ms.sym->start, h->ip[offset]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize)
|
||||
{
|
||||
struct objdump_line *self = malloc(sizeof(*self) + privsize);
|
||||
|
||||
if (self != NULL) {
|
||||
self->offset = offset;
|
||||
self->line = line;
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
void objdump_line__free(struct objdump_line *self)
|
||||
{
|
||||
free(self->line);
|
||||
free(self);
|
||||
}
|
||||
|
||||
static void objdump__add_line(struct list_head *head, struct objdump_line *line)
|
||||
{
|
||||
list_add_tail(&line->node, head);
|
||||
}
|
||||
|
||||
struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
|
||||
struct objdump_line *pos)
|
||||
{
|
||||
list_for_each_entry_continue(pos, head, node)
|
||||
if (pos->offset >= 0)
|
||||
return pos;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int hist_entry__parse_objdump_line(struct hist_entry *self, FILE *file,
|
||||
struct list_head *head, size_t privsize)
|
||||
{
|
||||
struct symbol *sym = self->ms.sym;
|
||||
struct objdump_line *objdump_line;
|
||||
char *line = NULL, *tmp, *tmp2, *c;
|
||||
size_t line_len;
|
||||
s64 line_ip, offset = -1;
|
||||
|
||||
if (getline(&line, &line_len, file) < 0)
|
||||
return -1;
|
||||
|
||||
if (!line)
|
||||
return -1;
|
||||
|
||||
while (line_len != 0 && isspace(line[line_len - 1]))
|
||||
line[--line_len] = '\0';
|
||||
|
||||
c = strchr(line, '\n');
|
||||
if (c)
|
||||
*c = 0;
|
||||
|
||||
line_ip = -1;
|
||||
|
||||
/*
|
||||
* Strip leading spaces:
|
||||
*/
|
||||
tmp = line;
|
||||
while (*tmp) {
|
||||
if (*tmp != ' ')
|
||||
break;
|
||||
tmp++;
|
||||
}
|
||||
|
||||
if (*tmp) {
|
||||
/*
|
||||
* Parse hexa addresses followed by ':'
|
||||
*/
|
||||
line_ip = strtoull(tmp, &tmp2, 16);
|
||||
if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0')
|
||||
line_ip = -1;
|
||||
}
|
||||
|
||||
if (line_ip != -1) {
|
||||
u64 start = map__rip_2objdump(self->ms.map, sym->start),
|
||||
end = map__rip_2objdump(self->ms.map, sym->end);
|
||||
|
||||
offset = line_ip - start;
|
||||
if (offset < 0 || (u64)line_ip > end)
|
||||
offset = -1;
|
||||
}
|
||||
|
||||
objdump_line = objdump_line__new(offset, line, privsize);
|
||||
if (objdump_line == NULL) {
|
||||
free(line);
|
||||
return -1;
|
||||
}
|
||||
objdump__add_line(head, objdump_line);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hist_entry__annotate(struct hist_entry *self, struct list_head *head,
|
||||
int hist_entry__annotate(struct hist_entry *he, struct list_head *head,
|
||||
size_t privsize)
|
||||
{
|
||||
struct symbol *sym = self->ms.sym;
|
||||
struct map *map = self->ms.map;
|
||||
struct dso *dso = map->dso;
|
||||
char *filename = dso__build_id_filename(dso, NULL, 0);
|
||||
bool free_filename = true;
|
||||
char command[PATH_MAX * 2];
|
||||
FILE *file;
|
||||
int err = 0;
|
||||
u64 len;
|
||||
char symfs_filename[PATH_MAX];
|
||||
|
||||
if (filename) {
|
||||
snprintf(symfs_filename, sizeof(symfs_filename), "%s%s",
|
||||
symbol_conf.symfs, filename);
|
||||
}
|
||||
|
||||
if (filename == NULL) {
|
||||
if (dso->has_build_id) {
|
||||
pr_err("Can't annotate %s: not enough memory\n",
|
||||
sym->name);
|
||||
return -ENOMEM;
|
||||
}
|
||||
goto fallback;
|
||||
} else if (readlink(symfs_filename, command, sizeof(command)) < 0 ||
|
||||
strstr(command, "[kernel.kallsyms]") ||
|
||||
access(symfs_filename, R_OK)) {
|
||||
free(filename);
|
||||
fallback:
|
||||
/*
|
||||
* If we don't have build-ids or the build-id file isn't in the
|
||||
* cache, or is just a kallsyms file, well, lets hope that this
|
||||
* DSO is the same as when 'perf record' ran.
|
||||
*/
|
||||
filename = dso->long_name;
|
||||
snprintf(symfs_filename, sizeof(symfs_filename), "%s%s",
|
||||
symbol_conf.symfs, filename);
|
||||
free_filename = false;
|
||||
}
|
||||
|
||||
if (dso->origin == DSO__ORIG_KERNEL) {
|
||||
if (dso->annotate_warned)
|
||||
goto out_free_filename;
|
||||
err = -ENOENT;
|
||||
dso->annotate_warned = 1;
|
||||
pr_err("Can't annotate %s: No vmlinux file was found in the "
|
||||
"path\n", sym->name);
|
||||
goto out_free_filename;
|
||||
}
|
||||
|
||||
pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
|
||||
filename, sym->name, map->unmap_ip(map, sym->start),
|
||||
map->unmap_ip(map, sym->end));
|
||||
|
||||
len = sym->end - sym->start;
|
||||
|
||||
pr_debug("annotating [%p] %30s : [%p] %30s\n",
|
||||
dso, dso->long_name, sym, sym->name);
|
||||
|
||||
snprintf(command, sizeof(command),
|
||||
"objdump --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 " -dS -C %s|grep -v %s|expand",
|
||||
map__rip_2objdump(map, sym->start),
|
||||
map__rip_2objdump(map, sym->end),
|
||||
symfs_filename, filename);
|
||||
|
||||
pr_debug("Executing: %s\n", command);
|
||||
|
||||
file = popen(command, "r");
|
||||
if (!file)
|
||||
goto out_free_filename;
|
||||
|
||||
while (!feof(file))
|
||||
if (hist_entry__parse_objdump_line(self, file, head, privsize) < 0)
|
||||
break;
|
||||
|
||||
pclose(file);
|
||||
out_free_filename:
|
||||
if (free_filename)
|
||||
free(filename);
|
||||
return err;
|
||||
return symbol__annotate(he->ms.sym, he->ms.map, head, privsize);
|
||||
}
|
||||
|
||||
void hists__inc_nr_events(struct hists *self, u32 type)
|
||||
|
|
|
@ -9,33 +9,6 @@ extern struct callchain_param callchain_param;
|
|||
struct hist_entry;
|
||||
struct addr_location;
|
||||
struct symbol;
|
||||
struct rb_root;
|
||||
|
||||
struct objdump_line {
|
||||
struct list_head node;
|
||||
s64 offset;
|
||||
char *line;
|
||||
};
|
||||
|
||||
void objdump_line__free(struct objdump_line *self);
|
||||
struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
|
||||
struct objdump_line *pos);
|
||||
|
||||
struct sym_hist {
|
||||
u64 sum;
|
||||
u64 ip[0];
|
||||
};
|
||||
|
||||
struct sym_ext {
|
||||
struct rb_node node;
|
||||
double percent;
|
||||
char *path;
|
||||
};
|
||||
|
||||
struct sym_priv {
|
||||
struct sym_hist *hist;
|
||||
struct sym_ext *ext;
|
||||
};
|
||||
|
||||
/*
|
||||
* The kernel collects the number of events it couldn't send in a stretch and
|
||||
|
@ -104,7 +77,7 @@ size_t hists__fprintf_nr_events(struct hists *self, FILE *fp);
|
|||
size_t hists__fprintf(struct hists *self, struct hists *pair,
|
||||
bool show_displacement, FILE *fp);
|
||||
|
||||
int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip);
|
||||
int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr);
|
||||
int hist_entry__annotate(struct hist_entry *self, struct list_head *head,
|
||||
size_t privsize);
|
||||
|
||||
|
@ -118,18 +91,20 @@ bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len);
|
|||
#ifdef NO_NEWT_SUPPORT
|
||||
static inline int hists__browse(struct hists *self __used,
|
||||
const char *helpline __used,
|
||||
const char *ev_name __used)
|
||||
const char *ev_name __used, int evidx __used)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int hists__tui_browse_tree(struct rb_root *self __used,
|
||||
const char *help __used)
|
||||
const char *help __used,
|
||||
int evidx __used)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int hist_entry__tui_annotate(struct hist_entry *self __used)
|
||||
static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
|
||||
int evidx __used)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
@ -138,13 +113,13 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self __used)
|
|||
#else
|
||||
#include <newt.h>
|
||||
int hists__browse(struct hists *self, const char *helpline,
|
||||
const char *ev_name);
|
||||
int hist_entry__tui_annotate(struct hist_entry *self);
|
||||
const char *ev_name, int evidx);
|
||||
int hist_entry__tui_annotate(struct hist_entry *self, int evidx);
|
||||
|
||||
#define KEY_LEFT NEWT_KEY_LEFT
|
||||
#define KEY_RIGHT NEWT_KEY_RIGHT
|
||||
|
||||
int hists__tui_browse_tree(struct rb_root *self, const char *help);
|
||||
int hists__tui_browse_tree(struct rb_root *self, const char *help, int evidx);
|
||||
#endif
|
||||
|
||||
unsigned int hists__sort_list_width(struct hists *self);
|
||||
|
|
|
@ -200,6 +200,7 @@ void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
|
|||
|
||||
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
|
||||
struct sym_entry *syme = rb_entry(nd, struct sym_entry, rb_node);
|
||||
struct symbol *sym = sym_entry__symbol(syme);
|
||||
|
||||
if (++printed > top->print_entries ||
|
||||
(int)syme->snap_count < top->count_filter)
|
||||
|
@ -211,7 +212,7 @@ void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
|
|||
if (syme->map->dso->short_name_len > *dso_short_width)
|
||||
*dso_short_width = syme->map->dso->short_name_len;
|
||||
|
||||
if (syme->name_len > *sym_width)
|
||||
*sym_width = syme->name_len;
|
||||
if (sym->namelen > *sym_width)
|
||||
*sym_width = sym->namelen;
|
||||
}
|
||||
}
|
||||
|
|
|
@ -11,17 +11,8 @@
|
|||
struct perf_evlist;
|
||||
struct perf_evsel;
|
||||
|
||||
struct source_line {
|
||||
u64 eip;
|
||||
unsigned long count[MAX_COUNTERS]; /* FIXME */
|
||||
char *line;
|
||||
struct source_line *next;
|
||||
};
|
||||
|
||||
struct sym_entry_source {
|
||||
struct source_line *source;
|
||||
struct source_line *lines;
|
||||
struct source_line **lines_tail;
|
||||
struct list_head head;
|
||||
pthread_mutex_t lock;
|
||||
};
|
||||
|
||||
|
@ -31,7 +22,6 @@ struct sym_entry {
|
|||
unsigned long snap_count;
|
||||
double weight;
|
||||
int skip;
|
||||
u16 name_len;
|
||||
u8 origin;
|
||||
struct map *map;
|
||||
struct sym_entry_source *src;
|
||||
|
|
|
@ -1,9 +1,11 @@
|
|||
#include "../browser.h"
|
||||
#include "../helpline.h"
|
||||
#include "../libslang.h"
|
||||
#include "../../annotate.h"
|
||||
#include "../../hist.h"
|
||||
#include "../../sort.h"
|
||||
#include "../../symbol.h"
|
||||
#include "../../annotate.h"
|
||||
|
||||
static void ui__error_window(const char *fmt, ...)
|
||||
{
|
||||
|
@ -59,31 +61,33 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
|
|||
|
||||
static double objdump_line__calc_percent(struct objdump_line *self,
|
||||
struct list_head *head,
|
||||
struct symbol *sym)
|
||||
struct symbol *sym, int evidx)
|
||||
{
|
||||
double percent = 0.0;
|
||||
|
||||
if (self->offset != -1) {
|
||||
int len = sym->end - sym->start;
|
||||
unsigned int hits = 0;
|
||||
struct sym_priv *priv = symbol__priv(sym);
|
||||
struct sym_ext *sym_ext = priv->ext;
|
||||
struct sym_hist *h = priv->hist;
|
||||
struct annotation *notes = symbol__annotation(sym);
|
||||
struct source_line *src_line = notes->src_line;
|
||||
struct sym_hist *h = annotation__histogram(notes, evidx);
|
||||
s64 offset = self->offset;
|
||||
struct objdump_line *next = objdump__get_next_ip_line(head, self);
|
||||
|
||||
|
||||
while (offset < (s64)len &&
|
||||
(next == NULL || offset < next->offset)) {
|
||||
if (sym_ext) {
|
||||
percent += sym_ext[offset].percent;
|
||||
if (src_line) {
|
||||
percent += src_line[offset].percent;
|
||||
} else
|
||||
hits += h->ip[offset];
|
||||
hits += h->addr[offset];
|
||||
|
||||
++offset;
|
||||
}
|
||||
|
||||
if (sym_ext == NULL && h->sum)
|
||||
/*
|
||||
* If the percentage wasn't already calculated in
|
||||
* symbol__get_source_line, do it now:
|
||||
*/
|
||||
if (src_line == NULL && h->sum)
|
||||
percent = 100.0 * hits / h->sum;
|
||||
}
|
||||
|
||||
|
@ -136,10 +140,10 @@ static void annotate_browser__set_top(struct annotate_browser *self,
|
|||
static int annotate_browser__run(struct annotate_browser *self)
|
||||
{
|
||||
struct rb_node *nd;
|
||||
struct hist_entry *he = self->b.priv;
|
||||
struct symbol *sym = self->b.priv;
|
||||
int key;
|
||||
|
||||
if (ui_browser__show(&self->b, he->ms.sym->name,
|
||||
if (ui_browser__show(&self->b, sym->name,
|
||||
"<-, -> or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
|
||||
return -1;
|
||||
/*
|
||||
|
@ -179,7 +183,12 @@ out:
|
|||
return key;
|
||||
}
|
||||
|
||||
int hist_entry__tui_annotate(struct hist_entry *self)
|
||||
int hist_entry__tui_annotate(struct hist_entry *he, int evidx)
|
||||
{
|
||||
return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx);
|
||||
}
|
||||
|
||||
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx)
|
||||
{
|
||||
struct objdump_line *pos, *n;
|
||||
struct objdump_line_rb_node *rbpos;
|
||||
|
@ -190,18 +199,18 @@ int hist_entry__tui_annotate(struct hist_entry *self)
|
|||
.refresh = ui_browser__list_head_refresh,
|
||||
.seek = ui_browser__list_head_seek,
|
||||
.write = annotate_browser__write,
|
||||
.priv = self,
|
||||
.priv = sym,
|
||||
},
|
||||
};
|
||||
int ret;
|
||||
|
||||
if (self->ms.sym == NULL)
|
||||
if (sym == NULL)
|
||||
return -1;
|
||||
|
||||
if (self->ms.map->dso->annotate_warned)
|
||||
if (map->dso->annotate_warned)
|
||||
return -1;
|
||||
|
||||
if (hist_entry__annotate(self, &head, sizeof(*rbpos)) < 0) {
|
||||
if (symbol__annotate(sym, map, &head, sizeof(*rbpos)) < 0) {
|
||||
ui__error_window(ui_helpline__last_msg);
|
||||
return -1;
|
||||
}
|
||||
|
@ -214,7 +223,7 @@ int hist_entry__tui_annotate(struct hist_entry *self)
|
|||
browser.b.width = line_len;
|
||||
rbpos = objdump_line__rb(pos);
|
||||
rbpos->idx = browser.b.nr_entries++;
|
||||
rbpos->percent = objdump_line__calc_percent(pos, &head, self->ms.sym);
|
||||
rbpos->percent = objdump_line__calc_percent(pos, &head, sym, evidx);
|
||||
if (rbpos->percent < 0.01)
|
||||
continue;
|
||||
objdump__insert_line(&browser.entries, rbpos);
|
||||
|
|
|
@ -797,7 +797,8 @@ static int hists__browser_title(struct hists *self, char *bf, size_t size,
|
|||
return printed;
|
||||
}
|
||||
|
||||
int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
|
||||
int hists__browse(struct hists *self, const char *helpline,
|
||||
const char *ev_name, int evidx)
|
||||
{
|
||||
struct hist_browser *browser = hist_browser__new(self);
|
||||
struct pstack *fstack;
|
||||
|
@ -935,7 +936,7 @@ do_annotate:
|
|||
if (he == NULL)
|
||||
continue;
|
||||
|
||||
hist_entry__tui_annotate(he);
|
||||
hist_entry__tui_annotate(he, evidx);
|
||||
} else if (choice == browse_map)
|
||||
map__browse(browser->selection->map);
|
||||
else if (choice == zoom_dso) {
|
||||
|
@ -984,7 +985,7 @@ out:
|
|||
return key;
|
||||
}
|
||||
|
||||
int hists__tui_browse_tree(struct rb_root *self, const char *help)
|
||||
int hists__tui_browse_tree(struct rb_root *self, const char *help, int evidx)
|
||||
{
|
||||
struct rb_node *first = rb_first(self), *nd = first, *next;
|
||||
int key = 0;
|
||||
|
@ -993,7 +994,7 @@ int hists__tui_browse_tree(struct rb_root *self, const char *help)
|
|||
struct hists *hists = rb_entry(nd, struct hists, rb_node);
|
||||
const char *ev_name = __event_name(hists->type, hists->config);
|
||||
|
||||
key = hists__browse(hists, help, ev_name);
|
||||
key = hists__browse(hists, help, ev_name, evidx);
|
||||
switch (key) {
|
||||
case NEWT_KEY_TAB:
|
||||
next = rb_next(nd);
|
||||
|
|
Loading…
Reference in a new issue