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authorAdrian Hunter2017-05-26 10:17:24 +0200
committerArnaldo Carvalho de Melo2017-06-27 17:09:20 +0200
commit3bdafdffa9baf2b34aebad1c98bc17b50202cb78 (patch)
tree725631920fc13703b9378efbb0265a7ba0d58804 /tools/perf/Documentation/itrace.txt
parenttools include: Add byte-swapping macros to kernel.h (diff)
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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.txt7
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