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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-01-30 20:56:38 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-03-31 13:38:58 -0700 |
| commit | df37e66bfdbb57e8cae7dbf39a0c66b1b8701338 (patch) | |
| tree | 76c3d3915b98d79870a54593530aa029f77a976e /Documentation | |
| parent | 2b03d038457fc8d694d34981cb0a2f1702ba35d6 (diff) | |
| download | linux-df37e66bfdbb57e8cae7dbf39a0c66b1b8701338.tar.gz linux-df37e66bfdbb57e8cae7dbf39a0c66b1b8701338.tar.bz2 linux-df37e66bfdbb57e8cae7dbf39a0c66b1b8701338.zip | |
rcutorture: Add rcuperf holdoff boot parameter to reduce interference
Boot-time activity can legitimately grab CPUs for extended time periods,
so the commit adds a boot parameter to delay the start of the performance
test until boot has completed. Defaults to 10 seconds.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 951af481da5a..da9ee466789b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3288,6 +3288,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Measure performance of expedited synchronous grace-period primitives. + rcuperf.holdoff= [KNL] + Set test-start holdoff period. The purpose of + this parameter is to delay the start of the + test until boot completes in order to avoid + interference. + rcuperf.nreaders= [KNL] Set number of RCU readers. The value -1 selects N, where N is the number of CPUs. A value |