linux/Documentation/admin-guide/pm
Lina Iyer f49735f497 cpuidle: record state entry rejection statistics
CPUs may fail to enter the chosen idle state if there was a
pending interrupt, causing the cpuidle driver to return an error
value.

Record that and export it via sysfs along with the other idle state
statistics.

This could prove useful in understanding behavior of the governor
and the system during usecases that involve multiple CPUs.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
[ rjw: Changelog and documentation edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-09-23 14:10:31 +02:00
..
cpufreq_drivers.rst Documentation: cpufreq: Move legacy driver documentation 2020-03-02 11:31:06 +01:00
cpufreq.rst cpufreq: Specify default governor on command line 2020-07-02 13:03:30 +02:00
cpuidle.rst cpuidle: record state entry rejection statistics 2020-09-23 14:10:31 +02:00
index.rst Documentation: PM: Add SPDX license tags to multiple files 2019-04-08 12:57:47 +02:00
intel_epb.rst admin-guide: pm: intel_epb: Add SPDX license tag and copyright notice 2019-04-08 12:59:09 +02:00
intel_idle.rst intel_idle: Introduce 'states_off' module parameter 2020-02-03 11:57:18 +01:00
intel_pstate.rst cpufreq: intel_pstate: Tweak the EPP sysfs interface 2020-09-01 21:14:06 +02:00
intel-speed-select.rst Documentation/admin-guide: intel-speed-select: drop doubled words 2020-07-05 14:01:49 -06:00
sleep-states.rst Documentation: admin-guide: PM: Update sleep states documentation 2020-02-03 11:58:26 +01:00
strategies.rst Documentation: PM: Unify copyright notices 2019-04-08 12:57:47 +02:00
suspend-flows.rst Documentation: PM: sleep: Document system-wide suspend code flows 2020-04-03 11:41:01 +02:00
system-wide.rst Documentation: PM: sleep: Document system-wide suspend code flows 2020-04-03 11:41:01 +02:00
working-state.rst Documentation: admin-guide: pm: Document intel-speed-select 2020-05-19 19:59:10 +02:00