diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2023-01-12 22:43:30 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-13 13:48:15 +0300 |
| commit | 00717eb8c9557b5fcdd338db6faef532f6991d63 (patch) | |
| tree | 7d92306275ea0227ea80667bfcece81733744805 /drivers/cpuidle | |
| parent | 8ce78470bf2dd1d08107736e813fa62e09aa4647 (diff) | |
| download | linux-00717eb8c9557b5fcdd338db6faef532f6991d63.tar.xz | |
cpuidle: Annotate poll_idle()
The __cpuidle functions will become a noinstr class, as such they need
explicit annotations.
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: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20230112195540.312601331@infradead.org
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/poll_state.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c index 1f578ed09c73..d25ec52846e6 100644 --- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -13,7 +13,10 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - u64 time_start = local_clock(); + u64 time_start; + + instrumentation_begin(); + time_start = local_clock(); dev->poll_time_limit = false; @@ -39,6 +42,7 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, raw_local_irq_disable(); current_clr_polling(); + instrumentation_end(); return index; } |