[PATCH 04/41] perf intel-pt: Fix itrace defaults for perf script intel-pt documentation

Arnaldo Carvalho de Melo
2019-05-29T13:36:37Z

From: Adrian Hunter <adrian.hunter@intel.com>

Fix intel-pt documentation to reflect the change of itrace defaults for
perf script.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 4eb068157121 ("perf script: Make itrace script default to all calls")
Link: http://lkml.kernel.org/r/20190520113728.14389-4-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Documentation/intel-pt.txt | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt
index 115eaacc455f..60d99e5e7921 100644
--- a/tools/perf/Documentation/intel-pt.txt
+++ b/tools/perf/Documentation/intel-pt.txt
@@ -88,16 +88,16 @@ smaller.

To represent software control flow, "branches" samples are produced. By default
a branch sample is synthesized for every single branch. To get an idea what
-data is available you can use the 'perf script' tool with no parameters, which
-will list all the samples.
+data is available you can use the 'perf script' tool with all itrace sampling
+options, which will list all the samples.

perf record -e intel_pt//u ls
- perf script
+ perf script --itrace=ibxwpe

An interesting field that is not printed by default is 'flags' which can be
displayed as follows:

- perf script -Fcomm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr,symoff,flags
+ perf script --itrace=ibxwpe -F+flags

The flags are "bcrosyiABEx" which stand for branch, call, return, conditional,
system, asynchronous, interrupt, transaction abort, trace begin, trace end, and
@@ -713,7 +713,7 @@ Having no option is the same as

which, in turn, is the same as

- --itrace=ibxwpe
+ --itrace=cepwx

The letters are:

--
2.20.1