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Code Issues Projects Releases Wiki Activity

perf ui: Introduce struct perf_error_ops

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The struct perf_error_ops is for flexible error logging.

We can register appropriate functions based on front-end.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1338265382-6872-4-git-send-email-namhyung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2012-05-29 13:22:58 +09:00 committed by Arnaldo Carvalho de Melo
parent 409a8be615
commit ba47a142d9
8 changed files with 369 additions and 238 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
tools/perf/Makefile
View file

@ -503,6 +503,7 @@ else
LIB_OBJS += $(OUTPUT)ui/progress.o
LIB_OBJS += $(OUTPUT)ui/util.o
LIB_OBJS += $(OUTPUT)ui/tui/setup.o
LIB_OBJS += $(OUTPUT)ui/tui/util.o
LIB_H += ui/browser.h
LIB_H += ui/browsers/map.h
LIB_H += ui/helpline.h
@ -526,9 +527,11 @@ else
EXTLIBS += $(shell pkg-config --libs gtk+-2.0)
LIB_OBJS += $(OUTPUT)ui/gtk/browser.o
LIB_OBJS += $(OUTPUT)ui/gtk/setup.o
LIB_OBJS += $(OUTPUT)ui/gtk/util.o
# Make sure that it'd be included only once.
ifneq ($(findstring -DNO_NEWT_SUPPORT,$(BASIC_CFLAGS)),)
LIB_OBJS += $(OUTPUT)ui/setup.o
LIB_OBJS += $(OUTPUT)ui/util.o
endif
endif
endif

20
tools/perf/ui/gtk/util.c Normal file
View file

@ -0,0 +1,20 @@
#include "../util.h"
#include "../../util/debug.h"
#include "gtk.h"
/*
* FIXME: Functions below should be implemented properly.
* For now, just add stubs for NO_NEWT=1 build.
*/
#ifdef NO_NEWT_SUPPORT
int ui_helpline__show_help(const char *format __used, va_list ap __used)
{
return 0;
}
void ui_progress__update(u64 curr __used, u64 total __used,
const char *title __used)
{
}
#endif

6
tools/perf/ui/tui/setup.c
View file

@ -15,6 +15,8 @@ pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
static volatile int ui__need_resize;
extern struct perf_error_ops perf_tui_eops;
void ui__refresh_dimensions(bool force)
{
if (force || ui__need_resize) {
@ -122,6 +124,8 @@ int ui__init(void)
signal(SIGINT, ui__signal);
signal(SIGQUIT, ui__signal);
signal(SIGTERM, ui__signal);
perf_error__register(&perf_tui_eops);
out:
return err;
}
@ -137,4 +141,6 @@ void ui__exit(bool wait_for_ok)
SLsmg_refresh();
SLsmg_reset_smg();
SLang_reset_tty();
perf_error__unregister(&perf_tui_eops);
}

243
tools/perf/ui/tui/util.c Normal file
View file

@ -0,0 +1,243 @@
#include "../../util/util.h"
#include <signal.h>
#include <stdbool.h>
#include <string.h>
#include <sys/ttydefaults.h>
#include "../../util/cache.h"
#include "../../util/debug.h"
#include "../browser.h"
#include "../keysyms.h"
#include "../helpline.h"
#include "../ui.h"
#include "../util.h"
#include "../libslang.h"
static void ui_browser__argv_write(struct ui_browser *browser,
void *entry, int row)
{
char **arg = entry;
bool current_entry = ui_browser__is_current_entry(browser, row);
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
slsmg_write_nstring(*arg, browser->width);
}
static int popup_menu__run(struct ui_browser *menu)
{
int key;
if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0)
return -1;
while (1) {
key = ui_browser__run(menu, 0);
switch (key) {
case K_RIGHT:
case K_ENTER:
key = menu->index;
break;
case K_LEFT:
case K_ESC:
case 'q':
case CTRL('c'):
key = -1;
break;
default:
continue;
}
break;
}
ui_browser__hide(menu);
return key;
}
int ui__popup_menu(int argc, char * const argv[])
{
struct ui_browser menu = {
.entries = (void *)argv,
.refresh = ui_browser__argv_refresh,
.seek = ui_browser__argv_seek,
.write = ui_browser__argv_write,
.nr_entries = argc,
};
return popup_menu__run(&menu);
}
int ui_browser__input_window(const char *title, const char *text, char *input,
const char *exit_msg, int delay_secs)
{
int x, y, len, key;
int max_len = 60, nr_lines = 0;
static char buf[50];
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
max_len += 2;
nr_lines += 8;
y = SLtt_Screen_Rows / 2 - nr_lines / 2;
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string((char *)title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 7;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
y += nr_lines;
len = 5;
while (len--) {
SLsmg_gotorc(y + len - 1, x);
SLsmg_write_nstring((char *)" ", max_len);
}
SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
SLsmg_gotorc(y + 3, x);
SLsmg_write_nstring((char *)exit_msg, max_len);
SLsmg_refresh();
x += 2;
len = 0;
key = ui__getch(delay_secs);
while (key != K_TIMER && key != K_ENTER && key != K_ESC) {
if (key == K_BKSPC) {
if (len == 0)
goto next_key;
SLsmg_gotorc(y, x + --len);
SLsmg_write_char(' ');
} else {
buf[len] = key;
SLsmg_gotorc(y, x + len++);
SLsmg_write_char(key);
}
SLsmg_refresh();
/* XXX more graceful overflow handling needed */
if (len == sizeof(buf) - 1) {
ui_helpline__push("maximum size of symbol name reached!");
key = K_ENTER;
break;
}
next_key:
key = ui__getch(delay_secs);
}
buf[len] = '\0';
strncpy(input, buf, len+1);
return key;
}
int ui__question_window(const char *title, const char *text,
const char *exit_msg, int delay_secs)
{
int x, y;
int max_len = 0, nr_lines = 0;
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
int len;
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
max_len += 2;
nr_lines += 4;
y = SLtt_Screen_Rows / 2 - nr_lines / 2,
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string((char *)title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 2;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
SLsmg_gotorc(y + nr_lines - 2, x);
SLsmg_write_nstring((char *)" ", max_len);
SLsmg_gotorc(y + nr_lines - 1, x);
SLsmg_write_nstring((char *)exit_msg, max_len);
SLsmg_refresh();
return ui__getch(delay_secs);
}
int ui__help_window(const char *text)
{
return ui__question_window("Help", text, "Press any key...", 0);
}
int ui__dialog_yesno(const char *msg)
{
return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0);
}
static int __ui__warning(const char *title, const char *format, va_list args)
{
char *s;
if (vasprintf(&s, format, args) > 0) {
int key;
pthread_mutex_lock(&ui__lock);
key = ui__question_window(title, s, "Press any key...", 0);
pthread_mutex_unlock(&ui__lock);
free(s);
return key;
}
fprintf(stderr, "%s\n", title);
vfprintf(stderr, format, args);
return K_ESC;
}
static int perf_tui__error(const char *format, va_list args)
{
return __ui__warning("Error:", format, args);
}
static int perf_tui__warning(const char *format, va_list args)
{
return __ui__warning("Warning:", format, args);
}
struct perf_error_ops perf_tui_eops = {
.error = perf_tui__error,
.warning = perf_tui__warning,
};

301
tools/perf/ui/util.c
View file

@ -1,250 +1,85 @@
#include "../util.h"
#include <signal.h>
#include <stdbool.h>
#include <string.h>
#include <sys/ttydefaults.h>
#include "../cache.h"
#include "../debug.h"
#include "browser.h"
#include "keysyms.h"
#include "helpline.h"
#include "ui.h"
#include "util.h"
#include "libslang.h"
#include "../debug.h"
static void ui_browser__argv_write(struct ui_browser *browser,
void *entry, int row)
/*
* Default error logging functions
*/
static int perf_stdio__error(const char *format, va_list args)
{
char **arg = entry;
bool current_entry = ui_browser__is_current_entry(browser, row);
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
slsmg_write_nstring(*arg, browser->width);
}
static int popup_menu__run(struct ui_browser *menu)
{
int key;
if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0)
return -1;
while (1) {
key = ui_browser__run(menu, 0);
switch (key) {
case K_RIGHT:
case K_ENTER:
key = menu->index;
break;
case K_LEFT:
case K_ESC:
case 'q':
case CTRL('c'):
key = -1;
break;
default:
continue;
}
break;
}
ui_browser__hide(menu);
return key;
}
int ui__popup_menu(int argc, char * const argv[])
{
struct ui_browser menu = {
.entries = (void *)argv,
.refresh = ui_browser__argv_refresh,
.seek = ui_browser__argv_seek,
.write = ui_browser__argv_write,
.nr_entries = argc,
};
return popup_menu__run(&menu);
}
int ui_browser__input_window(const char *title, const char *text, char *input,
const char *exit_msg, int delay_secs)
{
int x, y, len, key;
int max_len = 60, nr_lines = 0;
static char buf[50];
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
max_len += 2;
nr_lines += 8;
y = SLtt_Screen_Rows / 2 - nr_lines / 2;
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string((char *)title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 7;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
y += nr_lines;
len = 5;
while (len--) {
SLsmg_gotorc(y + len - 1, x);
SLsmg_write_nstring((char *)" ", max_len);
}
SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
SLsmg_gotorc(y + 3, x);
SLsmg_write_nstring((char *)exit_msg, max_len);
SLsmg_refresh();
x += 2;
len = 0;
key = ui__getch(delay_secs);
while (key != K_TIMER && key != K_ENTER && key != K_ESC) {
if (key == K_BKSPC) {
if (len == 0)
goto next_key;
SLsmg_gotorc(y, x + --len);
SLsmg_write_char(' ');
} else {
buf[len] = key;
SLsmg_gotorc(y, x + len++);
SLsmg_write_char(key);
}
SLsmg_refresh();
/* XXX more graceful overflow handling needed */
if (len == sizeof(buf) - 1) {
ui_helpline__push("maximum size of symbol name reached!");
key = K_ENTER;
break;
}
next_key:
key = ui__getch(delay_secs);
}
buf[len] = '\0';
strncpy(input, buf, len+1);
return key;
}
int ui__question_window(const char *title, const char *text,
const char *exit_msg, int delay_secs)
{
int x, y;
int max_len = 0, nr_lines = 0;
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
int len;
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
max_len += 2;
nr_lines += 4;
y = SLtt_Screen_Rows / 2 - nr_lines / 2,
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string((char *)title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 2;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
SLsmg_gotorc(y + nr_lines - 2, x);
SLsmg_write_nstring((char *)" ", max_len);
SLsmg_gotorc(y + nr_lines - 1, x);
SLsmg_write_nstring((char *)exit_msg, max_len);
SLsmg_refresh();
return ui__getch(delay_secs);
}
int ui__help_window(const char *text)
{
return ui__question_window("Help", text, "Press any key...", 0);
}
int ui__dialog_yesno(const char *msg)
{
return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0);
}
int __ui__warning(const char *title, const char *format, va_list args)
{
char *s;
if (use_browser > 0 && vasprintf(&s, format, args) > 0) {
int key;
pthread_mutex_lock(&ui__lock);
key = ui__question_window(title, s, "Press any key...", 0);
pthread_mutex_unlock(&ui__lock);
free(s);
return key;
}
fprintf(stderr, "%s:\n", title);
fprintf(stderr, "Error:\n");
vfprintf(stderr, format, args);
return K_ESC;
return 0;
}
static int perf_stdio__warning(const char *format, va_list args)
{
fprintf(stderr, "Warning:\n");
vfprintf(stderr, format, args);
return 0;
}
static struct perf_error_ops default_eops =
{
.error = perf_stdio__error,
.warning = perf_stdio__warning,
};
static struct perf_error_ops *perf_eops = &default_eops;
int ui__error(const char *format, ...)
{
int ret;
va_list args;
va_start(args, format);
ret = perf_eops->error(format, args);
va_end(args);
return ret;
}
int ui__warning(const char *format, ...)
{
int key;
int ret;
va_list args;
va_start(args, format);
key = __ui__warning("Warning", format, args);
ret = perf_eops->warning(format, args);
va_end(args);
return key;
return ret;
}
int ui__error(const char *format, ...)
/**
* perf_error__register - Register error logging functions
* @eops: The pointer to error logging function struct
*
* Register UI-specific error logging functions. Before calling this,
* other logging functions should be unregistered, if any.
*/
int perf_error__register(struct perf_error_ops *eops)
{
int key;
va_list args;
if (perf_eops != &default_eops)
return -1;
va_start(args, format);
key = __ui__warning("Error", format, args);
va_end(args);
return key;
perf_eops = eops;
return 0;
}
/**
* perf_error__unregister - Unregister error logging functions
* @eops: The pointer to error logging function struct
*
* Unregister already registered error logging functions.
*/
int perf_error__unregister(struct perf_error_ops *eops)
{
if (perf_eops != eops)
return -1;
perf_eops = &default_eops;
return 0;
}

9
tools/perf/ui/util.h
View file

@ -9,6 +9,13 @@ int ui__help_window(const char *text);
int ui__dialog_yesno(const char *msg);
int ui__question_window(const char *title, const char *text,
const char *exit_msg, int delay_secs);
int __ui__warning(const char *title, const char *format, va_list args);
struct perf_error_ops {
int (*error)(const char *format, va_list args);
int (*warning)(const char *format, va_list args);
};
int perf_error__register(struct perf_error_ops *eops);
int perf_error__unregister(struct perf_error_ops *eops);
#endif /* _PERF_UI_UTIL_H_ */

2
tools/perf/util/debug.c
View file

@ -47,7 +47,7 @@ int dump_printf(const char *fmt, ...)
return ret;
}
#ifdef NO_NEWT_SUPPORT
#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT)
int ui__warning(const char *format, ...)
{
va_list args;

23
tools/perf/util/debug.h
View file

@ -12,8 +12,9 @@ int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
void trace_event(union perf_event *event);
struct ui_progress;
struct perf_error_ops;
#ifdef NO_NEWT_SUPPORT
#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT)
static inline int ui_helpline__show_help(const char *format __used, va_list ap __used)
{
return 0;
@ -23,12 +24,28 @@ static inline void ui_progress__update(u64 curr __used, u64 total __used,
const char *title __used) {}
#define ui__error(format, arg...) ui__warning(format, ##arg)
#else
static inline int
perf_error__register(struct perf_error_ops *eops __used)
{
return 0;
}
static inline int
perf_error__unregister(struct perf_error_ops *eops __used)
{
return 0;
}
#else /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */
extern char ui_helpline__last_msg[];
int ui_helpline__show_help(const char *format, va_list ap);
#include "../ui/progress.h"
int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2)));
#endif
#include "../ui/util.h"
#endif /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */
int ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2)));
int ui__error_paranoid(void);