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author | Thomas Renninger <trenn@suse.de> | 2013-06-28 15:34:31 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-07-05 01:52:19 +0200 |
commit | c4f3610eba69321b9cf35779cd67e68b5138cc16 (patch) | |
tree | 1e290acedef8572a22812c98709cf0754f5d36a9 /tools/power/cpupower/utils/cpuidle-info.c | |
parent | 0924c369bc5492cf181a066fc2d459aa18ffa5ac (diff) | |
download | op-kernel-dev-c4f3610eba69321b9cf35779cd67e68b5138cc16.zip op-kernel-dev-c4f3610eba69321b9cf35779cd67e68b5138cc16.tar.gz |
cpupower: Introduce idle-set subcommand and C-state enabling/disabling
Example:
cpupower idle-set -d 3
will disable C-state 3 on all processors (set commands are active on
all CPUs by default), same as:
cpupower -c all idle-set -d 3
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/power/cpupower/utils/cpuidle-info.c')
-rw-r--r-- | tools/power/cpupower/utils/cpuidle-info.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c index edd5dba..75e66de 100644 --- a/tools/power/cpupower/utils/cpuidle-info.c +++ b/tools/power/cpupower/utils/cpuidle-info.c @@ -48,10 +48,14 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose) return; for (idlestate = 0; idlestate < idlestates; idlestate++) { + int disabled = sysfs_is_idlestate_disabled(cpu, idlestate); + /* Disabled interface not supported on older kernels */ + if (disabled < 0) + disabled = 0; tmp = sysfs_get_idlestate_name(cpu, idlestate); if (!tmp) continue; - printf("%s:\n", tmp); + printf("%s%s:\n", tmp, (disabled) ? " (DISABLED) " : ""); free(tmp); tmp = sysfs_get_idlestate_desc(cpu, idlestate); |