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perf script python: Add sample_read to dict

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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>
This commit is contained in:
Arun Kalyanasundaram 2017-07-21 15:04:20 -07:00 committed by Arnaldo Carvalho de Melo
parent 892e76b2e8
commit 74ec14f389
1 changed files with 51 additions and 0 deletions
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51
tools/perf/util/scripting-engines/trace-event-python.c
View file

@ -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(