diff options
Diffstat (limited to 'Documentation/tools')
-rw-r--r-- | Documentation/tools/rtla/common_timerlat_aa.rst | 7 | ||||
-rw-r--r-- | Documentation/tools/rtla/rtla-timerlat-hist.rst | 7 | ||||
-rw-r--r-- | Documentation/tools/rtla/rtla-timerlat-top.rst | 7 |
3 files changed, 12 insertions, 9 deletions
diff --git a/Documentation/tools/rtla/common_timerlat_aa.rst b/Documentation/tools/rtla/common_timerlat_aa.rst index 795b9fbcbc6d..077029e6b289 100644 --- a/Documentation/tools/rtla/common_timerlat_aa.rst +++ b/Documentation/tools/rtla/common_timerlat_aa.rst @@ -5,10 +5,3 @@ **--no-aa** disable auto-analysis, reducing rtla timerlat cpu usage - -**--aa-only** *us* - - Set stop tracing conditions and run without collecting and displaying statistics. - Print the auto-analysis if the system hits the stop tracing condition. This option - is useful to reduce rtla timerlat CPU, enabling the debug without the overhead of - collecting the statistics. diff --git a/Documentation/tools/rtla/rtla-timerlat-hist.rst b/Documentation/tools/rtla/rtla-timerlat-hist.rst index 6bf7f0ca4556..057db78d4095 100644 --- a/Documentation/tools/rtla/rtla-timerlat-hist.rst +++ b/Documentation/tools/rtla/rtla-timerlat-hist.rst @@ -29,15 +29,18 @@ OPTIONS .. include:: common_options.rst +.. include:: common_timerlat_aa.rst + 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:: +*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 1ms --no-aa # RTLA timerlat histogram # Time unit is microseconds (us) # Duration: 0 00:10:00 diff --git a/Documentation/tools/rtla/rtla-timerlat-top.rst b/Documentation/tools/rtla/rtla-timerlat-top.rst index 73799c1150ad..1b7cf4e3eafe 100644 --- a/Documentation/tools/rtla/rtla-timerlat-top.rst +++ b/Documentation/tools/rtla/rtla-timerlat-top.rst @@ -32,6 +32,13 @@ OPTIONS .. include:: common_timerlat_aa.rst +**--aa-only** *us* + + Set stop tracing conditions and run without collecting and displaying statistics. + Print the auto-analysis if the system hits the stop tracing condition. This option + is useful to reduce rtla timerlat CPU, enabling the debug without the overhead of + collecting the statistics. + EXAMPLE ======= |