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latency-performance: Update sysctl tunings

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Update sysctl tunings in the latency-performance profile based on
feedback from the performance team.

Resolves: rhbz#1779759

Signed-off-by: Ondřej Lysoněk <olysonek@redhat.com>
This commit is contained in:
Ondřej Lysoněk 2019-12-09 13:08:01 +01:00
parent d11c907be0
commit 7a70fabb4c
1 changed files with 2 additions and 1 deletions
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profiles/latency-performance/tuned.conf
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@ -16,7 +16,8 @@ min_perf_pct=100
#
# Minimal preemption granularity for CPU-bound tasks:
# (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds)
kernel.sched_min_granularity_ns=10000000
kernel.sched_min_granularity_ns=3000000
kernel.sched_wakeup_granularity_ns=4000000
# If a workload mostly uses anonymous memory and it hits this limit, the entire
# working set is buffered for I/O, and any more write buffering would require