lkml.org 
[lkml]   [2018]   [May]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 3/3] perf script python: Add fields introduction to Documentation
Date
Add the brief introduction of fields to perf-script-python.txt.

It may help python script developer easily finding what fields
are supported.

Signed-off-by: Jin Yao <yao.jin@linux.intel.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 51ec2d2..0fb9eda 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]
--
2.7.4
\
 
 \ /
  Last update: 2018-06-01 03:08    [W:0.122 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site