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authorAdrian Hunter <adrian.hunter@intel.com>2019-06-22 12:32:46 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-06-25 14:47:10 +0300
commitb9322cab17a1092e2aa7ee2505ecceb0cd5fd685 (patch)
tree9979d38d4c53f319dc863225fc4d7a780529d859 /tools/perf/util/scripting-engines
parent5fe2cf7d19c48f2b53b57e6a5786972bc1b8d738 (diff)
downloadlinux-b9322cab17a1092e2aa7ee2505ecceb0cd5fd685.tar.xz
perf db-export: Export synth events
Synthesized events are samples but with architecture-specific data stored in sample->raw_data. They are identified by attribute type PERF_TYPE_SYNTH. Add a function to export them. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20190622093248.581-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/scripting-engines')
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c46
1 files changed, 44 insertions, 2 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 6acb379b53ec..112bed65232f 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -112,6 +112,7 @@ struct tables {
PyObject *sample_handler;
PyObject *call_path_handler;
PyObject *call_return_handler;
+ PyObject *synth_handler;
bool db_export_mode;
};
@@ -947,6 +948,12 @@ static int tuple_set_string(PyObject *t, unsigned int pos, const char *s)
return PyTuple_SetItem(t, pos, _PyUnicode_FromString(s));
}
+static int tuple_set_bytes(PyObject *t, unsigned int pos, void *bytes,
+ unsigned int sz)
+{
+ return PyTuple_SetItem(t, pos, _PyBytes_FromStringAndSize(bytes, sz));
+}
+
static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel)
{
struct tables *tables = container_of(dbe, struct tables, dbe);
@@ -1105,8 +1112,8 @@ static int python_export_branch_type(struct db_export *dbe, u32 branch_type,
return 0;
}
-static int python_export_sample(struct db_export *dbe,
- struct export_sample *es)
+static void python_export_sample_table(struct db_export *dbe,
+ struct export_sample *es)
{
struct tables *tables = container_of(dbe, struct tables, dbe);
PyObject *t;
@@ -1141,6 +1148,33 @@ static int python_export_sample(struct db_export *dbe,
call_object(tables->sample_handler, t, "sample_table");
Py_DECREF(t);
+}
+
+static void python_export_synth(struct db_export *dbe, struct export_sample *es)
+{
+ struct tables *tables = container_of(dbe, struct tables, dbe);
+ PyObject *t;
+
+ t = tuple_new(3);
+
+ tuple_set_u64(t, 0, es->db_id);
+ tuple_set_u64(t, 1, es->evsel->attr.config);
+ tuple_set_bytes(t, 2, es->sample->raw_data, es->sample->raw_size);
+
+ call_object(tables->synth_handler, t, "synth_data");
+
+ Py_DECREF(t);
+}
+
+static int python_export_sample(struct db_export *dbe,
+ struct export_sample *es)
+{
+ struct tables *tables = container_of(dbe, struct tables, dbe);
+
+ python_export_sample_table(dbe, es);
+
+ if (es->evsel->attr.type == PERF_TYPE_SYNTH && tables->synth_handler)
+ python_export_synth(dbe, es);
return 0;
}
@@ -1477,6 +1511,14 @@ static void set_table_handlers(struct tables *tables)
SET_TABLE_HANDLER(sample);
SET_TABLE_HANDLER(call_path);
SET_TABLE_HANDLER(call_return);
+
+ /*
+ * Synthesized events are samples but with architecture-specific data
+ * stored in sample->raw_data. They are exported via
+ * python_export_sample() and consequently do not need a separate export
+ * callback.
+ */
+ tables->synth_handler = get_handler("synth_data");
}
#if PY_MAJOR_VERSION < 3