diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2015-09-24 13:05:21 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-09-25 10:42:38 -0300 |
| commit | 597ee40722bf05195f91a41e88e15b79bdab152c (patch) | |
| tree | 6a1b9ace4ba27abcd9fd3f1894fea935bc5d2d25 /tools/perf | |
| parent | 266fa2b22294909ddf6e7d2f8acfe07adf9fd978 (diff) | |
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>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/intel-pt.txt | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt index 4a0501d7a3b4..c94c9de3173e 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 ------------------- |