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cpupowerutils: helpers - ConfigStyle bugfixes

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Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski 2011-04-19 20:16:05 +02:00
parent b510b54127
commit 2cd005cac6
9 changed files with 100 additions and 86 deletions
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8
tools/power/cpupower/utils/helpers/amd.c
View file

@ -53,8 +53,8 @@ static int get_cof(int family, union msr_pstate pstate)
if (family == 0x11)
t = 0x8;
return ((100 * (fid + t)) >> did);
}
return (100 * (fid + t)) >> did;
}
/* Needs:
* cpu -> the cpu that gets evaluated
@ -74,7 +74,7 @@ int decode_pstates(unsigned int cpu, unsigned int cpu_family,
{
int i, psmax, pscur;
union msr_pstate pstate;
unsigned long long val;
unsigned long long val;
/* Only read out frequencies from HW when CPU might be boostable
to keep the code as short and clean as possible.
@ -95,7 +95,7 @@ int decode_pstates(unsigned int cpu, unsigned int cpu_family,
pscur += boost_states;
psmax += boost_states;
for (i=0; i<=psmax; i++) {
for (i = 0; i <= psmax; i++) {
if (i >= MAX_HW_PSTATES) {
fprintf(stderr, "HW pstates [%d] exceeding max [%d]\n",
psmax, MAX_HW_PSTATES);

12
tools/power/cpupower/utils/helpers/bitmask.c
View file

@ -8,12 +8,12 @@
#define bitsperlong (8 * sizeof(unsigned long))
/* howmany(a,b) : how many elements of size b needed to hold all of a */
#define howmany(x,y) (((x)+((y)-1))/(y))
#define howmany(x, y) (((x)+((y)-1))/(y))
/* How many longs in mask of n bits */
#define longsperbits(n) howmany(n, bitsperlong)
#define max(a,b) ((a) > (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
/*
* Allocate and free `struct bitmask *`
@ -73,7 +73,8 @@ static void _setbit(struct bitmask *bmp, unsigned int n, unsigned int v)
if (v)
bmp->maskp[n/bitsperlong] |= 1UL << (n % bitsperlong);
else
bmp->maskp[n/bitsperlong] &= ~(1UL << (n % bitsperlong));
bmp->maskp[n/bitsperlong] &=
~(1UL << (n % bitsperlong));
}
}
@ -185,7 +186,7 @@ unsigned int bitmask_next(const struct bitmask *bmp, unsigned int i)
* 0-3 0,1,2,3
* 0-7:2 0,2,4,6
* 1,3,5-7 1,3,5,6,7
* 0-3:2,8-15:4 0,2,8,12
* 0-3:2,8-15:4 0,2,8,12
*/
int bitmask_parselist(const char *buf, struct bitmask *bmp)
{
@ -251,7 +252,8 @@ static inline int emit(char *buf, int buflen, int rbot, int rtop, int len)
if (rbot == rtop)
len += snprintf(buf + len, max(buflen - len, 0), "%d", rbot);
else
len += snprintf(buf + len, max(buflen - len, 0), "%d-%d", rbot, rtop);
len += snprintf(buf + len, max(buflen - len, 0), "%d-%d",
rbot, rtop);
return len;
}

14
tools/power/cpupower/utils/helpers/cpuid.c
View file

@ -67,28 +67,26 @@ int get_cpu_info(unsigned int cpu, struct cpupower_cpu_info *cpu_info)
continue;
value[63 - 1] = '\0';
if (!strncmp(value, "processor\t: ", 12)) {
if (!strncmp(value, "processor\t: ", 12))
sscanf(value, "processor\t: %u", &proc);
}
if (proc != cpu)
continue;
/* Get CPU vendor */
if (!strncmp(value, "vendor_id", 9))
if (!strncmp(value, "vendor_id", 9)) {
for (x = 1; x < X86_VENDOR_MAX; x++) {
if (strstr(value, cpu_vendor_table[x]))
cpu_info->vendor = x;
}
/* Get CPU family, etc. */
else if (!strncmp(value, "cpu family\t: ", 13)) {
} else if (!strncmp(value, "cpu family\t: ", 13)) {
sscanf(value, "cpu family\t: %u",
&cpu_info->family);
}
else if (!strncmp(value, "model\t\t: ", 9)) {
} else if (!strncmp(value, "model\t\t: ", 9)) {
sscanf(value, "model\t\t: %u",
&cpu_info->model);
}
else if (!strncmp(value, "stepping\t: ", 10)) {
} else if (!strncmp(value, "stepping\t: ", 10)) {
sscanf(value, "stepping\t: %u",
&cpu_info->stepping);

6
tools/power/cpupower/utils/helpers/helpers.h
View file

@ -20,7 +20,7 @@
#ifndef gettext_noop
#define gettext_noop(String) String
#endif
#define N_(String) gettext_noop (String)
#define N_(String) gettext_noop(String)
/* Internationalization ****************************/
extern int run_as_root;
@ -39,11 +39,11 @@ extern int be_verbose;
#define dprint(fmt, ...) { \
if (be_verbose) { \
fprintf(stderr, "%s: " fmt, \
__FUNCTION__, ##__VA_ARGS__); \
__func__, ##__VA_ARGS__); \
} \
}
#else
static inline void dprint(const char *fmt, ...) { }
static inline void dprint(const char *fmt, ...) { }
#endif
extern int be_verbose;
/* Global verbose (-v) stuff *********************************/

3
tools/power/cpupower/utils/helpers/misc.c
View file

@ -2,7 +2,8 @@
#include "helpers/helpers.h"
int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active, int * states)
int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active,
int *states)
{
struct cpupower_cpu_info cpu_info;
int ret;

2
tools/power/cpupower/utils/helpers/pci.c
View file

@ -33,7 +33,7 @@ struct pci_dev *pci_acc_init(struct pci_access **pacc, int vendor_id,
for (i = 0; dev_ids[i] != 0; i++) {
filter_nb_link.device = dev_ids[i];
for (device=(*pacc)->devices; device; device = device->next) {
for (device = (*pacc)->devices; device; device = device->next) {
if (pci_filter_match(&filter_nb_link, device))
return device;
}

112
tools/power/cpupower/utils/helpers/sysfs.c
View file

@ -19,14 +19,14 @@
unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen)
{
int fd;
size_t numread;
ssize_t numread;
if ( ( fd = open(path, O_RDONLY) ) == -1 )
fd = open(path, O_RDONLY);
if (fd == -1)
return 0;
numread = read(fd, buf, buflen - 1);
if ( numread < 1 )
{
if (numread < 1) {
close(fd);
return 0;
}
@ -34,26 +34,26 @@ unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen)
buf[numread] = '\0';
close(fd);
return numread;
return (unsigned int) numread;
}
static unsigned int sysfs_write_file(const char *path,
const char *value, size_t len)
{
int fd;
size_t numwrite;
ssize_t numwrite;
if ( ( fd = open(path, O_WRONLY) ) == -1 )
fd = open(path, O_WRONLY);
if (fd == -1)
return 0;
numwrite = write(fd, value, len);
if ( numwrite < 1 )
{
if (numwrite < 1) {
close(fd);
return 0;
}
close(fd);
return numwrite;
return (unsigned int) numwrite;
}
/* CPUidle idlestate specific /sys/devices/system/cpu/cpuX/cpuidle/ access */
@ -69,17 +69,17 @@ unsigned int sysfs_idlestate_read_file(unsigned int cpu, unsigned int idlestate,
{
char path[SYSFS_PATH_MAX];
int fd;
size_t numread;
ssize_t numread;
snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpuidle/state%u/%s",
cpu, idlestate, fname);
if ( ( fd = open(path, O_RDONLY) ) == -1 )
fd = open(path, O_RDONLY);
if (fd == -1)
return 0;
numread = read(fd, buf, buflen - 1);
if ( numread < 1 )
{
if (numread < 1) {
close(fd);
return 0;
}
@ -87,7 +87,7 @@ unsigned int sysfs_idlestate_read_file(unsigned int cpu, unsigned int idlestate,
buf[numread] = '\0';
close(fd);
return numread;
return (unsigned int) numread;
}
/* read access to files which contain one numeric value */
@ -116,19 +116,18 @@ static unsigned long long sysfs_idlestate_get_one_value(unsigned int cpu,
char linebuf[MAX_LINE_LEN];
char *endp;
if ( which >= MAX_IDLESTATE_VALUE_FILES )
if (which >= MAX_IDLESTATE_VALUE_FILES)
return 0;
if ( ( len = sysfs_idlestate_read_file(cpu, idlestate,
idlestate_value_files[which],
linebuf, sizeof(linebuf))) == 0 )
{
len = sysfs_idlestate_read_file(cpu, idlestate,
idlestate_value_files[which],
linebuf, sizeof(linebuf));
if (len == 0)
return 0;
}
value = strtoull(linebuf, &endp, 0);
if ( endp == linebuf || errno == ERANGE )
if (endp == linebuf || errno == ERANGE)
return 0;
return value;
@ -148,9 +147,9 @@ static const char *idlestate_string_files[MAX_IDLESTATE_STRING_FILES] = {
};
static char * sysfs_idlestate_get_one_string(unsigned int cpu,
unsigned int idlestate,
enum idlestate_string which)
static char *sysfs_idlestate_get_one_string(unsigned int cpu,
unsigned int idlestate,
enum idlestate_string which)
{
char linebuf[MAX_LINE_LEN];
char *result;
@ -159,12 +158,14 @@ static char * sysfs_idlestate_get_one_string(unsigned int cpu,
if (which >= MAX_IDLESTATE_STRING_FILES)
return NULL;
if ( ( len = sysfs_idlestate_read_file(cpu, idlestate,
idlestate_string_files[which],
linebuf, sizeof(linebuf))) == 0 )
len = sysfs_idlestate_read_file(cpu, idlestate,
idlestate_string_files[which],
linebuf, sizeof(linebuf));
if (len == 0)
return NULL;
if ( ( result = strdup(linebuf) ) == NULL )
result = strdup(linebuf);
if (result == NULL)
return NULL;
if (result[strlen(result) - 1] == '\n')
@ -173,27 +174,30 @@ static char * sysfs_idlestate_get_one_string(unsigned int cpu,
return result;
}
unsigned long sysfs_get_idlestate_latency(unsigned int cpu, unsigned int idlestate)
unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
unsigned int idlestate)
{
return sysfs_idlestate_get_one_value(cpu, idlestate, IDLESTATE_LATENCY);
}
unsigned long sysfs_get_idlestate_usage(unsigned int cpu, unsigned int idlestate)
unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
unsigned int idlestate)
{
return sysfs_idlestate_get_one_value(cpu, idlestate, IDLESTATE_USAGE);
}
unsigned long long sysfs_get_idlestate_time(unsigned int cpu, unsigned int idlestate)
unsigned long long sysfs_get_idlestate_time(unsigned int cpu,
unsigned int idlestate)
{
return sysfs_idlestate_get_one_value(cpu, idlestate, IDLESTATE_TIME);
}
char * sysfs_get_idlestate_name(unsigned int cpu, unsigned int idlestate)
char *sysfs_get_idlestate_name(unsigned int cpu, unsigned int idlestate)
{
return sysfs_idlestate_get_one_string(cpu, idlestate, IDLESTATE_NAME);
}
char * sysfs_get_idlestate_desc(unsigned int cpu, unsigned int idlestate)
char *sysfs_get_idlestate_desc(unsigned int cpu, unsigned int idlestate)
{
return sysfs_idlestate_get_one_string(cpu, idlestate, IDLESTATE_DESC);
}
@ -211,14 +215,14 @@ int sysfs_get_idlestate_count(unsigned int cpu)
snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU "cpuidle");
if ( stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
if (stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
return -ENODEV;
snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU "cpu%u/cpuidle/state0", cpu);
if ( stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
if (stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
return 0;
while(stat(file, &statbuf) == 0 && S_ISDIR(statbuf.st_mode)) {
while (stat(file, &statbuf) == 0 && S_ISDIR(statbuf.st_mode)) {
snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU
"cpu%u/cpuidle/state%d", cpu, idlestates);
idlestates++;
@ -261,7 +265,7 @@ static const char *cpuidle_string_files[MAX_CPUIDLE_STRING_FILES] = {
};
static char * sysfs_cpuidle_get_one_string(enum cpuidle_string which)
static char *sysfs_cpuidle_get_one_string(enum cpuidle_string which)
{
char linebuf[MAX_LINE_LEN];
char *result;
@ -270,11 +274,13 @@ static char * sysfs_cpuidle_get_one_string(enum cpuidle_string which)
if (which >= MAX_CPUIDLE_STRING_FILES)
return NULL;
if ( ( len = sysfs_cpuidle_read_file(cpuidle_string_files[which],
linebuf, sizeof(linebuf))) == 0 )
len = sysfs_cpuidle_read_file(cpuidle_string_files[which],
linebuf, sizeof(linebuf));
if (len == 0)
return NULL;
if ( ( result = strdup(linebuf) ) == NULL )
result = strdup(linebuf);
if (result == NULL)
return NULL;
if (result[strlen(result) - 1] == '\n')
@ -283,7 +289,7 @@ static char * sysfs_cpuidle_get_one_string(enum cpuidle_string which)
return result;
}
char * sysfs_get_cpuidle_governor(void)
char *sysfs_get_cpuidle_governor(void)
{
char *tmp = sysfs_cpuidle_get_one_string(CPUIDLE_GOVERNOR_RO);
if (!tmp)
@ -292,7 +298,7 @@ char * sysfs_get_cpuidle_governor(void)
return tmp;
}
char * sysfs_get_cpuidle_driver(void)
char *sysfs_get_cpuidle_driver(void)
{
return sysfs_cpuidle_get_one_string(CPUIDLE_DRIVER);
}
@ -304,9 +310,9 @@ char * sysfs_get_cpuidle_driver(void)
*
* Returns negative value on failure
*/
int sysfs_get_sched(const char* smt_mc)
int sysfs_get_sched(const char *smt_mc)
{
unsigned long value;
unsigned long value;
char linebuf[MAX_LINE_LEN];
char *endp;
char path[SYSFS_PATH_MAX];
@ -314,11 +320,12 @@ int sysfs_get_sched(const char* smt_mc)
if (strcmp("mc", smt_mc) && strcmp("smt", smt_mc))
return -EINVAL;
snprintf(path, sizeof(path), PATH_TO_CPU "sched_%s_power_savings", smt_mc);
if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0 )
snprintf(path, sizeof(path),
PATH_TO_CPU "sched_%s_power_savings", smt_mc);
if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0)
return -1;
value = strtoul(linebuf, &endp, 0);
if ( endp == linebuf || errno == ERANGE )
if (endp == linebuf || errno == ERANGE)
return -1;
return value;
}
@ -329,7 +336,7 @@ int sysfs_get_sched(const char* smt_mc)
*
* Returns negative value on failure
*/
int sysfs_set_sched(const char* smt_mc, int val)
int sysfs_set_sched(const char *smt_mc, int val)
{
char linebuf[MAX_LINE_LEN];
char path[SYSFS_PATH_MAX];
@ -338,13 +345,14 @@ int sysfs_set_sched(const char* smt_mc, int val)
if (strcmp("mc", smt_mc) && strcmp("smt", smt_mc))
return -EINVAL;
snprintf(path, sizeof(path), PATH_TO_CPU "sched_%s_power_savings", smt_mc);
snprintf(path, sizeof(path),
PATH_TO_CPU "sched_%s_power_savings", smt_mc);
sprintf(linebuf, "%d", val);
if ( stat(path, &statbuf) != 0 )
if (stat(path, &statbuf) != 0)
return -ENODEV;
if (sysfs_write_file(path, linebuf, MAX_LINE_LEN) == 0 )
if (sysfs_write_file(path, linebuf, MAX_LINE_LEN) == 0)
return -1;
return 0;
}

23
tools/power/cpupower/utils/helpers/sysfs.h
View file

@ -7,17 +7,22 @@
extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu, unsigned int idlestate);
extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu, unsigned int idlestate);
extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu, unsigned int idlestate);
extern char * sysfs_get_idlestate_name(unsigned int cpu, unsigned int idlestate);
extern char * sysfs_get_idlestate_desc(unsigned int cpu, unsigned int idlestate);
extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
unsigned int idlestate);
extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
unsigned int idlestate);
extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu,
unsigned int idlestate);
extern char *sysfs_get_idlestate_name(unsigned int cpu,
unsigned int idlestate);
extern char *sysfs_get_idlestate_desc(unsigned int cpu,
unsigned int idlestate);
extern int sysfs_get_idlestate_count(unsigned int cpu);
extern char * sysfs_get_cpuidle_governor(void);
extern char * sysfs_get_cpuidle_driver(void);
extern char *sysfs_get_cpuidle_governor(void);
extern char *sysfs_get_cpuidle_driver(void);
extern int sysfs_get_sched(const char* smt_mc);
extern int sysfs_set_sched(const char* smt_mc, int val);
extern int sysfs_get_sched(const char *smt_mc);
extern int sysfs_set_sched(const char *smt_mc, int val);
#endif /* __CPUPOWER_HELPERS_SYSFS_H__ */

6
tools/power/cpupower/utils/helpers/topology.c
View file

@ -22,17 +22,17 @@
/* returns -1 on failure, 0 on success */
int sysfs_topology_read_file(unsigned int cpu, const char *fname)
{
unsigned long value;
unsigned long value;
char linebuf[MAX_LINE_LEN];
char *endp;
char path[SYSFS_PATH_MAX];
snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/topology/%s",
cpu, fname);
if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0 )
if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0)
return -1;
value = strtoul(linebuf, &endp, 0);
if ( endp == linebuf || errno == ERANGE )
if (endp == linebuf || errno == ERANGE)
return -1;
return value;
}