Messages in this thread Patch in this message | | | Date | Fri, 25 Sep 2015 23:21:54 -0700 | From | tip-bot for Adrian Hunter <> | Subject | [tip:perf/urgent] perf intel-pt: Remove no_force_psb from documentation |
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Commit-ID: 597ee40722bf05195f91a41e88e15b79bdab152c Gitweb: http://git.kernel.org/tip/597ee40722bf05195f91a41e88e15b79bdab152c Author: Adrian Hunter <adrian.hunter@intel.com> AuthorDate: Thu, 24 Sep 2015 13:05:21 +0300 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Fri, 25 Sep 2015 10:42:38 -0300
perf intel-pt: Remove no_force_psb from documentation
no_force_psb was dropped as a late change to the kernel driver. Consequently, remove it from the documentation.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1443089122-19082-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/Documentation/intel-pt.txt | 15 --------------- 1 file changed, 15 deletions(-)
diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt index 4a0501d..c94c9de 100644 --- a/tools/perf/Documentation/intel-pt.txt +++ b/tools/perf/Documentation/intel-pt.txt @@ -364,21 +364,6 @@ cyc_thresh Specifies how frequently CYC packets are produced - see cyc CYC packets are not requested by default. -no_force_psb This is a driver option and is not in the IA32_RTIT_CTL MSR. - - It stops the driver resetting the byte count to zero whenever - enabling the trace (for example on context switches) which in - turn results in no PSB being forced. However some processors - will produce a PSB anyway. - - In any case, there is still a PSB when the trace is enabled for - the first time. - - no_force_psb can be used to slightly decrease the trace size but - may make it harder for the decoder to recover from errors. - - no_force_psb is not selected by default. - new snapshot option -------------------
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