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Diffstat (limited to 'Documentation/tools/rtla/rtla-timerlat-hist.rst')
| -rw-r--r-- | Documentation/tools/rtla/rtla-timerlat-hist.rst | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/Documentation/tools/rtla/rtla-timerlat-hist.rst b/Documentation/tools/rtla/rtla-timerlat-hist.rst index 6bf7f0ca4556..f56fe546411b 100644 --- a/Documentation/tools/rtla/rtla-timerlat-hist.rst +++ b/Documentation/tools/rtla/rtla-timerlat-hist.rst @@ -1,3 +1,5 @@ +.. |tool| replace:: timerlat hist + ===================== rtla-timerlat-hist ===================== @@ -14,7 +16,7 @@ SYNOPSIS DESCRIPTION =========== -.. include:: common_timerlat_description.rst +.. include:: common_timerlat_description.txt The **rtla timerlat hist** displays a histogram of each tracer event occurrence. This tool uses the periodic information, and the @@ -23,21 +25,24 @@ occurrence. This tool uses the periodic information, and the OPTIONS ======= -.. include:: common_timerlat_options.rst +.. include:: common_timerlat_options.txt + +.. include:: common_hist_options.txt -.. include:: common_hist_options.rst +.. include:: common_options.txt -.. include:: common_options.rst +.. include:: common_timerlat_aa.txt EXAMPLE ======= In the example below, **rtla timerlat hist** is set to run for *10* minutes, in the cpus *0-4*, *skipping zero* only lines. Moreover, **rtla timerlat hist** will change the priority of the *timerlat* threads to run under -*SCHED_DEADLINE* priority, with a *10us* runtime every *1ms* period. The -*1ms* period is also passed to the *timerlat* tracer:: +*SCHED_DEADLINE* priority, with a *100us* runtime every *1ms* period. The +*1ms* period is also passed to the *timerlat* tracer. Auto-analysis is disabled +to reduce overhead :: - [root@alien ~]# timerlat hist -d 10m -c 0-4 -P d:100us:1ms -p 1ms + [root@alien ~]# timerlat hist -d 10m -c 0-4 -P d:100us:1ms -p 1000 --no-aa # RTLA timerlat histogram # Time unit is microseconds (us) # Duration: 0 00:10:00 @@ -104,3 +109,5 @@ SEE ALSO AUTHOR ====== Written by Daniel Bristot de Oliveira <bristot@kernel.org> + +.. include:: common_appendix.txt |