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| author |   Paul E. McKenney <paulmck@kernel.org> | 2023-06-02 14:01:44 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2023-07-14 15:01:49 -0700 |
| commit | 1d702e2eff8be1f39a1774f8a0f66f077b663b27 (patch) | |
| tree | 685889d06d40c55f2be06e1abe3deb20ab384763 /tools/testing/selftests/rcutorture | |
| parent | rcuscale: Add kfree_by_call_rcu and kfree_mult to documentation (diff) | |
| download | wireguard-linux-1d702e2eff8be1f39a1774f8a0f66f077b663b27.tar.xz wireguard-linux-1d702e2eff8be1f39a1774f8a0f66f077b663b27.zip | |
rcuscale: Print grace-period kthread CPU time, if recorded
This commit prints out the CPU time consumed by the grace-period kthread,
if the specified RCU flavor supports this notion.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'tools/testing/selftests/rcutorture')
| -rwxr-xr-x | tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh index b582113178ac..f683e424ddd5 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh @@ -40,6 +40,10 @@ awk ' sum += $5 / 1000.; } +/rcu_scale: Grace-period kthread CPU time/ { + cputime = $6; +} + END { newNR = asort(gptimes); if (newNR <= 0) { @@ -78,6 +82,8 @@ END { print "90th percentile grace-period duration: " gptimes[pct90]; print "99th percentile grace-period duration: " gptimes[pct99]; print "Maximum grace-period duration: " gptimes[newNR]; - print "Grace periods: " ngps + 0 " Batches: " nbatches + 0 " Ratio: " ngps / nbatches; + if (cputime != "") + cpustr = " CPU: " cputime; + print "Grace periods: " ngps + 0 " Batches: " nbatches + 0 " Ratio: " ngps / nbatches cpustr; print "Computed from rcuscale printk output."; }' |