[PATCH 3/3] perf script/python: Pass thread/dso name and symbol info to event handler in python

From: Feng Tang
Date: Wed May 16 2012 - 09:02:26 EST


Signed-off-by: Feng Tang <feng.tang@xxxxxxxxx>
---
.../util/scripting-engines/trace-event-python.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index a202881..c96f5e2 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -336,6 +336,7 @@ static void python_process_general_event(union perf_event *pevent __unused,
static char handler_name[64];
unsigned n = 0;
void *data = sample->raw_data;
+ struct thread *thread = al->thread;

t = PyTuple_New(MAX_FIELDS);
if (!t)
@@ -348,13 +349,21 @@ static void python_process_general_event(union perf_event *pevent __unused,
goto exit;
}

- /* Pass 3 parameters: event_attr, perf_sample, raw data, thread name */
+ /* Pass parameters: attr, perf_sample, raw data, thread and dso name */
PyTuple_SetItem(t, n++, PyString_FromStringAndSize(
(const char *)&evsel->attr, sizeof(evsel->attr)));
PyTuple_SetItem(t, n++, PyString_FromStringAndSize(
(const char *)sample, sizeof(*sample)));
PyTuple_SetItem(t, n++, PyString_FromStringAndSize(
data, sample->raw_size));
+ PyTuple_SetItem(t, n++, PyString_FromString(thread->comm));
+ PyTuple_SetItem(t, n++, PyString_FromString(al->map->dso->name));
+
+ /* Pass the resolved symbol if there is, othersize pass "Unkown" */
+ if (al->sym)
+ PyTuple_SetItem(t, n++, PyString_FromString(al->sym->name));
+ else
+ PyTuple_SetItem(t, n++, PyString_FromString("Unknown"));

if (_PyTuple_Resize(&t, n) == -1)
Py_FatalError("error resizing Python tuple");
--
1.7.1

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