AcoSail/kernel_optimize_test
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Merge branch 'pm-tools'

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* pm-tools:
  cpupower: Remove redundant error check
  cpupower: bench: parse.c: Fix several minor errors
  cpupower: mperf monitor: Correct use of ! and &
  cpupower: Adjust MAINTAINERS file
  PM / tools: cpupower: drop negativity check on unsigned value
This commit is contained in:
Rafael J. Wysocki 2014-08-05 22:50:00 +02:00
commit 49c68fd448
5 changed files with 29 additions and 27 deletions
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2
MAINTAINERS
View File

@ -2521,8 +2521,8 @@ F: arch/x86/kernel/cpuid.c
F: arch/x86/kernel/msr.c
CPU POWER MONITORING SUBSYSTEM
M: Dominik Brodowski <linux@dominikbrodowski.net>
M: Thomas Renninger <trenn@suse.de>
L: linux-pm@vger.kernel.org
S: Maintained
F: tools/power/cpupower/

39
tools/power/cpupower/bench/parse.c
View File

@ -158,14 +158,15 @@ struct config *prepare_default_config()
int prepare_config(const char *path, struct config *config)
{
size_t len = 0;
char *opt, *val, *line = NULL;
FILE *configfile = fopen(path, "r");
char opt[16], val[32], *line = NULL;
FILE *configfile;
if (config == NULL) {
fprintf(stderr, "error: config is NULL\n");
return 1;
}
configfile = fopen(path, "r");
if (configfile == NULL) {
perror("fopen");
fprintf(stderr, "error: unable to read configfile\n");
@ -174,52 +175,54 @@ int prepare_config(const char *path, struct config *config)
}
while (getline(&line, &len, configfile) != -1) {
if (line[0] == '#' || line[0] == ' ')
if (line[0] == '#' || line[0] == ' ' || line[0] == '\n')
continue;
sscanf(line, "%as = %as", &opt, &val);
if (sscanf(line, "%14s = %30s", opt, val) < 2)
continue;
dprintf("parsing: %s -> %s\n", opt, val);
if (strncmp("sleep", opt, strlen(opt)) == 0)
if (strcmp("sleep", opt) == 0)
sscanf(val, "%li", &config->sleep);
else if (strncmp("load", opt, strlen(opt)) == 0)
else if (strcmp("load", opt) == 0)
sscanf(val, "%li", &config->load);
else if (strncmp("load_step", opt, strlen(opt)) == 0)
else if (strcmp("load_step", opt) == 0)
sscanf(val, "%li", &config->load_step);
else if (strncmp("sleep_step", opt, strlen(opt)) == 0)
else if (strcmp("sleep_step", opt) == 0)
sscanf(val, "%li", &config->sleep_step);
else if (strncmp("cycles", opt, strlen(opt)) == 0)
else if (strcmp("cycles", opt) == 0)
sscanf(val, "%u", &config->cycles);
else if (strncmp("rounds", opt, strlen(opt)) == 0)
else if (strcmp("rounds", opt) == 0)
sscanf(val, "%u", &config->rounds);
else if (strncmp("verbose", opt, strlen(opt)) == 0)
else if (strcmp("verbose", opt) == 0)
sscanf(val, "%u", &config->verbose);
else if (strncmp("output", opt, strlen(opt)) == 0)
else if (strcmp("output", opt) == 0)
config->output = prepare_output(val);
else if (strncmp("cpu", opt, strlen(opt)) == 0)
else if (strcmp("cpu", opt) == 0)
sscanf(val, "%u", &config->cpu);
else if (strncmp("governor", opt, 14) == 0)
strncpy(config->governor, val, 14);
else if (strcmp("governor", opt) == 0) {
strncpy(config->governor, val,
sizeof(config->governor));
config->governor[sizeof(config->governor) - 1] = '\0';
}
else if (strncmp("priority", opt, strlen(opt)) == 0) {
else if (strcmp("priority", opt) == 0) {
if (string_to_prio(val) != SCHED_ERR)
config->prio = string_to_prio(val);
}
}
free(line);
free(opt);
free(val);
return 0;
}

11
tools/power/cpupower/utils/cpufreq-set.c
View File

@ -320,12 +320,11 @@ int cmd_freq_set(int argc, char **argv)
printf(_("Setting cpu: %d\n"), cpu);
ret = do_one_cpu(cpu, &new_pol, freq, policychange);
if (ret)
break;
if (ret) {
print_error();
return ret;
}
}
if (ret)
print_error();
return ret;
return 0;
}

2
tools/power/cpupower/utils/helpers/sysfs.c
View File

@ -81,7 +81,7 @@ int sysfs_is_cpu_online(unsigned int cpu)
close(fd);
value = strtoull(linebuf, &endp, 0);
if (value > 1 || value < 0)
if (value > 1)
return -EINVAL;
return value;

2
tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
View File

@ -237,7 +237,7 @@ static int init_maxfreq_mode(void)
unsigned long long hwcr;
unsigned long min;
if (!cpupower_cpu_info.caps & CPUPOWER_CAP_INV_TSC)
if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_INV_TSC))
goto use_sysfs;
if (cpupower_cpu_info.vendor == X86_VENDOR_AMD) {