[PATCH 05/10] perf scripting python: Add sample flags

From: Adrian Hunter
Date: Tue May 25 2021 - 05:51:04 EST


Add sample flags to python scripting.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
.../scripting-engines/trace-event-python.c | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index a434f4bc25a4..5d01e4fc50b8 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -742,6 +742,29 @@ static void set_sym_in_dict(PyObject *dict, struct addr_location *al,
}
}

+static void set_sample_flags(PyObject *dict, u32 flags)
+{
+ const char *ch = PERF_IP_FLAG_CHARS;
+ char *p, str[33];
+
+ for (p = str; *ch; ch++, flags >>= 1) {
+ if (flags & 1)
+ *p++ = *ch;
+ }
+ *p = 0;
+ pydict_set_item_string_decref(dict, "flags", _PyUnicode_FromString(str));
+}
+
+static void python_process_sample_flags(struct perf_sample *sample, PyObject *dict_sample)
+{
+ char flags_disp[SAMPLE_FLAGS_BUF_SIZE];
+
+ set_sample_flags(dict_sample, sample->flags);
+ perf_sample__sprintf_flags(sample->flags, flags_disp, sizeof(flags_disp));
+ pydict_set_item_string_decref(dict_sample, "flags_disp",
+ _PyUnicode_FromString(flags_disp));
+}
+
static PyObject *get_perf_sample_dict(struct perf_sample *sample,
struct evsel *evsel,
struct addr_location *al,
@@ -805,6 +828,9 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample,
set_sym_in_dict(dict_sample, addr_al, "addr_dso", "addr_symbol", "addr_symoff");
}

+ if (sample->flags)
+ python_process_sample_flags(sample, dict_sample);
+
set_regs_in_dict(dict, sample, evsel);

return dict;
--
2.17.1