From: Adrian Hunter adrian.hunter@intel.com
commit a2d8a1585e35444789c1c8cf7e2e51fb15589880 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- tools/perf/Documentation/intel-pt.txt | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
--- 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: