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| author | Thomas Gleixner <[email protected]> | 2022-04-15 21:19:50 +0200 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2022-04-27 15:51:08 +0200 |
| commit | 6d108c96bf23598cc3b4f91d60e9b7694abcd2a7 (patch) | |
| tree | 540dfbe0ed9a54028ec0aadae727686775b1f35d /lib/mpi/mpi-sub-ui.c | |
| parent | dbb5ab6d2c0a7397d77c9f60fe23844d4fe4e634 (diff) | |
x86/aperfmperf: Dont wake idle CPUs in arch_freq_get_on_cpu()
aperfmperf_get_khz() already excludes idle CPUs from APERF/MPERF sampling
and that's a reasonable decision. There is no point in sending up to two
IPIs to an idle CPU just because someone reads a sysfs file.
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Rafael J. Wysocki <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'lib/mpi/mpi-sub-ui.c')
0 files changed, 0 insertions, 0 deletions