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| author | Peter Zijlstra <peterz@infradead.org> | 2023-01-12 20:43:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-13 11:03:22 +0100 |
| commit | e038f7b8028a1d1bc8ac82351c71ea538f19a879 (patch) | |
| tree | b37f4d7af3ddee8cb8a21837f28ab83a11999b20 /tools/perf/scripts/python/task-analyzer.py | |
| parent | cpuidle, tegra: Push RCU-idle into driver (diff) | |
| download | linux-e038f7b8028a1d1bc8ac82351c71ea538f19a879.tar.gz linux-e038f7b8028a1d1bc8ac82351c71ea538f19a879.zip | |
cpuidle, psci: Push RCU-idle into driver
Doing RCU-idle outside the driver, only to then temporarily enable it
again, at least twice, before going idle is suboptimal.
Notably once implicitly through the cpu_pm_*() calls and once
explicitly doing ct_irq_*_irqon().
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Kajetan Puchalski <kajetan.puchalski@arm.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Guo Ren <guoren@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20230112195539.760296658@infradead.org
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
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