lkml.org 
[lkml]   [2017]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 33/40] perf script python: Add sample_read to dict
Date
From: Arun Kalyanasundaram <arunkaly@google.com>

Provide time_enabled, time_running and counter value in the perf_sample
dict.

Signed-off-by: Arun Kalyanasundaram <arunkaly@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Carrillo-Cisneros <davidcc@google.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Seongjae Park <sj38.park@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20170721220422.63962-4-arunkaly@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
.../util/scripting-engines/trace-event-python.c | 51 ++++++++++++++++++++++
1 file changed, 51 insertions(+)

diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 69d1b6db96f6..55a45784c910 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -391,6 +391,56 @@ static PyObject *python_process_callchain(struct perf_sample *sample,
return pylist;
}

+static PyObject *get_sample_value_as_tuple(struct sample_read_value *value)
+{
+ PyObject *t;
+
+ t = PyTuple_New(2);
+ if (!t)
+ Py_FatalError("couldn't create Python tuple");
+ PyTuple_SetItem(t, 0, PyLong_FromUnsignedLongLong(value->id));
+ PyTuple_SetItem(t, 1, PyLong_FromUnsignedLongLong(value->value));
+ return t;
+}
+
+static void set_sample_read_in_dict(PyObject *dict_sample,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel)
+{
+ u64 read_format = evsel->attr.read_format;
+ PyObject *values;
+ unsigned int i;
+
+ if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
+ pydict_set_item_string_decref(dict_sample, "time_enabled",
+ PyLong_FromUnsignedLongLong(sample->read.time_enabled));
+ }
+
+ if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
+ pydict_set_item_string_decref(dict_sample, "time_running",
+ PyLong_FromUnsignedLongLong(sample->read.time_running));
+ }
+
+ if (read_format & PERF_FORMAT_GROUP)
+ values = PyList_New(sample->read.group.nr);
+ else
+ values = PyList_New(1);
+
+ if (!values)
+ Py_FatalError("couldn't create Python list");
+
+ if (read_format & PERF_FORMAT_GROUP) {
+ for (i = 0; i < sample->read.group.nr; i++) {
+ PyObject *t = get_sample_value_as_tuple(&sample->read.group.values[i]);
+ PyList_SET_ITEM(values, i, t);
+ }
+ } else {
+ PyObject *t = get_sample_value_as_tuple(&sample->read.one);
+ PyList_SET_ITEM(values, 0, t);
+ }
+ pydict_set_item_string_decref(dict_sample, "values", values);
+}
+
static PyObject *get_perf_sample_dict(struct perf_sample *sample,
struct perf_evsel *evsel,
struct addr_location *al,
@@ -422,6 +472,7 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample,
PyLong_FromUnsignedLongLong(sample->time));
pydict_set_item_string_decref(dict_sample, "period",
PyLong_FromUnsignedLongLong(sample->period));
+ set_sample_read_in_dict(dict_sample, sample, evsel);
pydict_set_item_string_decref(dict, "sample", dict_sample);

pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize(
--
2.9.4
\
 
 \ /
  Last update: 2017-07-26 16:24    [W:0.133 / U:12.308 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site