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perf script: Add callchain to generic and tracepoint events

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This provides valuable information for tracing performance problems.

Since this change alters the interface for the python scripts, also
adjust the script generation and the provided scripts.

Signed-off-by: Joseph Schuchart <joseph.schuchart@tu-dresden.de>
Acked-by: Thomas Ilsche <thomas.ilsche@tu-dresden.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Ilsche <thomas.ilsche@tu-dresden.de>
Link: http://lkml.kernel.org/r/53BE7E1B.10503@tu-dresden.de
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Joseph Schuchart 2014-07-10 13:50:51 +02:00 • committed by Arnaldo Carvalho de Melo
parent 05f832e3a2
commit 0f5f5bcd11
11 changed files with 146 additions and 48 deletions
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3
tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py
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@ -107,12 +107,13 @@ def taskState(state):
class EventHeaders:
def __init__(self, common_cpu, common_secs, common_nsecs,
common_pid, common_comm):
common_pid, common_comm, common_callchain):
self.cpu = common_cpu
self.secs = common_secs
self.nsecs = common_nsecs
self.pid = common_pid
self.comm = common_comm
self.callchain = common_callchain
def ts(self):
return (self.secs * (10 ** 9)) + self.nsecs