xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cpupower: Do not analyse offlined cpus

Browse Source 
Use sysfs_is_cpu_online(cpu) instead of cpufreq_cpu_exists(cpu) to detect offlined cpus.

Re-arrange printfs slightly to have a consistent output even if you have multiple CPUs
as output and even if offlined cores are in between.

Signed-off-by: Thomas Renninger <trenn@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Thomas Renninger
2015-12-01 17:14:15 +01:00
committed by Rafael J. Wysocki
parent e51207f003
commit ce512b8404
4 changed files with 31 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
tools/power/cpupower/utils/cpupower-set.c
View File

@@ -12,7 +12,6 @@
#include <string.h>
#include <getopt.h>
#include <cpufreq.h>
#include "helpers/helpers.h"
#include "helpers/sysfs.h"
#include "helpers/bitmask.h"
@@ -78,10 +77,15 @@ int cmd_set(int argc, char **argv)
for (cpu = bitmask_first(cpus_chosen);
cpu <= bitmask_last(cpus_chosen); cpu++) {
if (!bitmask_isbitset(cpus_chosen, cpu) ||
cpufreq_cpu_exists(cpu))
if (!bitmask_isbitset(cpus_chosen, cpu))
continue;
if (sysfs_is_cpu_online(cpu) != 1){
fprintf(stderr, _("Cannot set values on CPU %d:"), cpu);
fprintf(stderr, _(" *is offline\n"));
continue;
}
if (params.perf_bias) {
ret = msr_intel_set_perf_bias(cpu, perf_bias);
if (ret) {