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linux-cpupower-6.12-rc1

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This cpupower update for Linux 6.12-rc1 consists of an enhancement
 to cpuidle tool to display the residency value of cpuidle states.
 This addition provides a clearer and more detailed view of idle
 state information when using cpuidle-info.
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Merge tag 'linux-cpupower-6.12-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shuah/linux

Merge a cpupower utility update for 6.12 from Shuah Khan:

"This cpupower update for Linux 6.12-rc1 consists of an enhancement
 to cpuidle tool to display the residency value of cpuidle states.
 This addition provides a clearer and more detailed view of idle
 state information when using cpuidle-info."

* tag 'linux-cpupower-6.12-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
  tools/cpupower: display residency value in idle-info
This commit is contained in:
Rafael J. Wysocki 2024-09-05 13:07:49 +02:00
commit 6482439d3d
3 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
tools/power/cpupower/lib/cpuidle.c
View File

@ -116,6 +116,7 @@ enum idlestate_value {
IDLESTATE_USAGE,
IDLESTATE_POWER,
IDLESTATE_LATENCY,
IDLESTATE_RESIDENCY,
IDLESTATE_TIME,
IDLESTATE_DISABLE,
MAX_IDLESTATE_VALUE_FILES
@ -125,6 +126,7 @@ static const char *idlestate_value_files[MAX_IDLESTATE_VALUE_FILES] = {
[IDLESTATE_USAGE] = "usage",
[IDLESTATE_POWER] = "power",
[IDLESTATE_LATENCY] = "latency",
[IDLESTATE_RESIDENCY] = "residency",
[IDLESTATE_TIME] = "time",
[IDLESTATE_DISABLE] = "disable",
};
@ -254,6 +256,12 @@ unsigned long cpuidle_state_latency(unsigned int cpu,
return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_LATENCY);
}
unsigned long cpuidle_state_residency(unsigned int cpu,
unsigned int idlestate)
{
return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_RESIDENCY);
}
unsigned long cpuidle_state_usage(unsigned int cpu,
unsigned int idlestate)
{

2
tools/power/cpupower/lib/cpuidle.h
View File

@ -8,6 +8,8 @@ int cpuidle_state_disable(unsigned int cpu, unsigned int idlestate,
unsigned int disable);
unsigned long cpuidle_state_latency(unsigned int cpu,
unsigned int idlestate);
unsigned long cpuidle_state_residency(unsigned int cpu,
unsigned int idlestate);
unsigned long cpuidle_state_usage(unsigned int cpu,
unsigned int idlestate);
unsigned long long cpuidle_state_time(unsigned int cpu,

4
tools/power/cpupower/utils/cpuidle-info.c
View File

@ -64,6 +64,8 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
printf(_("Latency: %lu\n"),
cpuidle_state_latency(cpu, idlestate));
printf(_("Residency: %lu\n"),
cpuidle_state_residency(cpu, idlestate));
printf(_("Usage: %lu\n"),
cpuidle_state_usage(cpu, idlestate));
printf(_("Duration: %llu\n"),
@ -115,6 +117,8 @@ static void proc_cpuidle_cpu_output(unsigned int cpu)
printf(_("promotion[--] demotion[--] "));
printf(_("latency[%03lu] "),
cpuidle_state_latency(cpu, cstate));
printf(_("residency[%05lu] "),
cpuidle_state_residency(cpu, cstate));
printf(_("usage[%08lu] "),
cpuidle_state_usage(cpu, cstate));
printf(_("duration[%020Lu] \n"),