Commit-ID: ac56aa4549cdfd9c56387b35e99e3c868cfc7bd0 Gitweb: https://git.kernel.org/tip/ac56aa4549cdfd9c56387b35e99e3c868cfc7bd0 Author: Jin Yao <yao....@linux.intel.com> AuthorDate: Fri, 1 Jun 2018 17:01:03 +0800 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Wed, 6 Jun 2018 15:40:10 -0300
perf script python: Add dict fields introduction to Documentation Add a brief introduction about fields to perf-script-python.txt. It should help python script developers in easily finding what fields are supported. Signed-off-by: Jin Yao <yao....@linux.intel.com> Reviewed-by: Andi Kleen <a...@linux.intel.com> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Jin Yao <yao....@intel.com> Cc: Jiri Olsa <jo...@kernel.org> Cc: Kan Liang <kan.li...@linux.intel.com> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/1527843663-32288-4-git-send-email-yao....@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/Documentation/perf-script-python.txt | 26 +++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/perf/Documentation/perf-script-python.txt b/tools/perf/Documentation/perf-script-python.txt index 51ec2d20068a..0fb9eda3cbca 100644 --- a/tools/perf/Documentation/perf-script-python.txt +++ b/tools/perf/Documentation/perf-script-python.txt @@ -610,6 +610,32 @@ Various utility functions for use with perf script: nsecs_str(nsecs) - returns printable string in the form secs.nsecs avg(total, n) - returns average given a sum and a total number of values +SUPPORTED FIELDS +---------------- + +Currently supported fields: + +ev_name, comm, pid, tid, cpu, ip, time, period, phys_addr, addr, +symbol, dso, time_enabled, time_running, values, callchain, +brstack, brstacksym, datasrc, datasrc_decode, iregs, uregs, +weight, transaction, raw_buf, attr. + +Some fields have sub items: + +brstack: + from, to, from_dsoname, to_dsoname, mispred, + predicted, in_tx, abort, cycles. + +brstacksym: + items: from, to, pred, in_tx, abort (converted string) + +For example, +We can use this code to print brstack "from", "to", "cycles". + +if 'brstack' in dict: + for entry in dict['brstack']: + print "from %s, to %s, cycles %s" % (entry["from"], entry["to"], entry["cycles"]) + SEE ALSO -------- linkperf:perf-script[1]
