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| author | Vincent Guittot <vincent.guittot@linaro.org> | 2018-09-25 11:17:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-10-02 09:45:00 +0200 |
| commit | 11d4afd4ff667f9b6178ee8c142c36cb78bd84db (patch) | |
| tree | a327db3eb28ed3e0b023525528ebf3d9abdfe2c6 /init | |
| parent | b429f71bca5a4ddd914350a39572692e2ea211e0 (diff) | |
| download | lwn-11d4afd4ff667f9b6178ee8c142c36cb78bd84db.tar.gz lwn-11d4afd4ff667f9b6178ee8c142c36cb78bd84db.zip | |
sched/pelt: Fix warning and clean up IRQ PELT config
Create a config for enabling irq load tracking in the scheduler.
irq load tracking is useful only when irq or paravirtual time is
accounted but it's only possible with SMP for now.
Also use __maybe_unused to remove the compilation warning in
update_rq_clock_task() that has been introduced by:
2e62c4743adc ("sched/fair: Remove #ifdefs from scale_rt_capacity()")
Suggested-by: Ingo Molnar <mingo@redhat.com>
Reported-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Reported-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@alien8.de
Cc: dou_liyang@163.com
Fixes: 2e62c4743adc ("sched/fair: Remove #ifdefs from scale_rt_capacity()")
Link: http://lkml.kernel.org/r/1537867062-27285-1-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index 1e234e2f1cba..317d5ccb5191 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -415,6 +415,11 @@ config IRQ_TIME_ACCOUNTING If in doubt, say N here. +config HAVE_SCHED_AVG_IRQ + def_bool y + depends on IRQ_TIME_ACCOUNTING || PARAVIRT_TIME_ACCOUNTING + depends on SMP + config BSD_PROCESS_ACCT bool "BSD Process Accounting" depends on MULTIUSER |