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| author | Peter Zijlstra <peterz@infradead.org> | 2023-01-12 20:43:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-13 11:47:27 +0100 |
| commit | 4ce40e9dbe83153f60d7e4ccd24a1eb4f8264f6a (patch) | |
| tree | 8bcf2f993522a91445233a9c4ae1665f57e177d8 /tools/perf/scripts/python/task-analyzer.py | |
| parent | cpuidle, OMAP3: Push RCU-idle into driver (diff) | |
| download | linux-4ce40e9dbe83153f60d7e4ccd24a1eb4f8264f6a.tar.gz linux-4ce40e9dbe83153f60d7e4ccd24a1eb4f8264f6a.zip | |
cpuidle, armada: Push RCU-idle into driver
Doing RCU-idle outside the driver, only to then temporarily enable it
again before going idle is suboptimal.
Notably the cpu_pm_*() calls implicitly re-enable RCU for a bit.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20230112195539.946630819@infradead.org
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
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