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Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index c07815d230bc..dac8245ef588 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4392,6 +4392,22 @@ incurs a small amount of overhead in the scheduler but is useful for debugging and performance tuning. + sched_thermal_decay_shift= + [KNL, SMP] Set a decay shift for scheduler thermal + pressure signal. Thermal pressure signal follows the + default decay period of other scheduler pelt + signals(usually 32 ms but configurable). Setting + sched_thermal_decay_shift will left shift the decay + period for the thermal pressure signal by the shift + value. + i.e. with the default pelt decay period of 32 ms + sched_thermal_decay_shift thermal pressure decay pr + 1 64 ms + 2 128 ms + and so on. + Format: integer between 0 and 10 + Default is 0. + skew_tick= [KNL] Offset the periodic timer tick per cpu to mitigate xtime_lock contention on larger systems, and/or RCU lock contention on all systems with CONFIG_MAXSMP set. |