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author | Adrian Hunter <adrian.hunter@intel.com> | 2017-05-26 10:17:24 +0200 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-06-27 17:09:20 +0200 |
commit | 3bdafdffa9baf2b34aebad1c98bc17b50202cb78 (patch) | |
tree | 725631920fc13703b9378efbb0265a7ba0d58804 /tools/perf/Documentation/itrace.txt | |
parent | tools include: Add byte-swapping macros to kernel.h (diff) | |
download | linux-3bdafdffa9baf2b34aebad1c98bc17b50202cb78.tar.xz linux-3bdafdffa9baf2b34aebad1c98bc17b50202cb78.zip |
perf auxtrace: Add itrace option to output ptwrite events
Add itrace option to output ptwrite events.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-24-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/itrace.txt')
-rw-r--r-- | tools/perf/Documentation/itrace.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index e2a4c5e0dbe5..deafd16692b6 100644 --- a/tools/perf/Documentation/itrace.txt +++ b/tools/perf/Documentation/itrace.txt @@ -3,13 +3,14 @@ c synthesize branches events (calls only) r synthesize branches events (returns only) x synthesize transactions events + w synthesize ptwrite events e synthesize error events d create a debug log g synthesize a call chain (use with i or x) l synthesize last branch entries (use with i or x) s skip initial number of events - The default is all events i.e. the same as --itrace=ibxe + The default is all events i.e. the same as --itrace=ibxwe In addition, the period (default 100000) for instructions events can be specified in units of: @@ -26,8 +27,8 @@ Also the number of last branch entries (default 64, max. 1024) for instructions or transactions events can be specified. - It is also possible to skip events generated (instructions, branches, transactions) - at the beginning. This is useful to ignore initialization code. + It is also possible to skip events generated (instructions, branches, transactions, + ptwrite) at the beginning. This is useful to ignore initialization code. --itrace=i0nss1000000 |