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| author | Len Brown <len.brown@intel.com> | 2012-06-13 22:12:51 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-07-14 11:42:56 -0400 |
| commit | fa7584e13ac8e6a306085bba0a931f3135f1d8c4 (patch) | |
| tree | 4cc8f7a625a0f2b287abaa054dec431b78f9986a | |
| parent | 150ed86fade791d82319b27e84a7a6d2de84d1fa (diff) | |
| download | op-kernel-dev-fa7584e13ac8e6a306085bba0a931f3135f1d8c4.zip op-kernel-dev-fa7584e13ac8e6a306085bba0a931f3135f1d8c4.tar.gz | |
ACPI: acpi_pad: tune round_robin_time
In an effort to be fair to bound processes,
acpi_pad periodically moves its forced-idle threads.
The default interval for moving the threads is 10 seconds.
Measurements show that reducing this to 1 second has no
power or performance impact, so reduce default to 1 second.
Signed-off-by: Len Brown <len.brown@intel.com>
| -rw-r--r-- | drivers/acpi/acpi_pad.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 1c09e1b..f3e959f 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -144,7 +144,7 @@ static void exit_round_robin(unsigned int tsk_index) } static unsigned int idle_pct = 5; /* percentage */ -static unsigned int round_robin_time = 10; /* second */ +static unsigned int round_robin_time = 1; /* second */ static int power_saving_thread(void *data) { struct sched_param param = {.sched_priority = 1}; |
