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Date: Tue, 25 May 2021 12:51:11 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
Jiri Olsa <jolsa@...hat.com>, Andi Kleen <ak@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 09/10] perf scripting python: Add auxtrace error
Add auxtrace_error to general python scripting.
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
tools/perf/builtin-script.c | 13 ++++++
.../scripting-engines/trace-event-python.c | 42 +++++++++++++++++++
tools/perf/util/trace-event.h | 2 +
3 files changed, 57 insertions(+)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 69bce65ea430..7a7a19f52db5 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2432,6 +2432,17 @@ static int process_switch_event(struct perf_tool *tool,
sample->tid);
}
+static int process_auxtrace_error(struct perf_session *session,
+ union perf_event *event)
+{
+ if (scripting_ops && scripting_ops->process_auxtrace_error) {
+ scripting_ops->process_auxtrace_error(session, event);
+ return 0;
+ }
+
+ return perf_event__process_auxtrace_error(session, event);
+}
+
static int
process_lost_event(struct perf_tool *tool,
union perf_event *event,
@@ -2571,6 +2582,8 @@ static int __cmd_script(struct perf_script *script)
}
if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
script->tool.context_switch = process_switch_event;
+ if (scripting_ops && scripting_ops->process_auxtrace_error)
+ script->tool.auxtrace_error = process_auxtrace_error;
if (script->show_namespace_events)
script->tool.namespaces = process_namespaces_event;
if (script->show_cgroup_events)
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index c422901d5344..ffc5f4cffdba 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -1014,6 +1014,11 @@ static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val)
#endif
}
+static int tuple_set_u32(PyObject *t, unsigned int pos, u32 val)
+{
+ return PyTuple_SetItem(t, pos, PyLong_FromUnsignedLong(val));
+}
+
static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val)
{
return PyTuple_SetItem(t, pos, _PyLong_FromLong(val));
@@ -1461,6 +1466,42 @@ static void python_process_switch(union perf_event *event,
python_do_process_switch(event, sample, machine);
}
+static void python_process_auxtrace_error(struct perf_session *session __maybe_unused,
+ union perf_event *event)
+{
+ struct perf_record_auxtrace_error *e = &event->auxtrace_error;
+ u8 cpumode = e->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+ const char *handler_name = "auxtrace_error";
+ unsigned long long tm = e->time;
+ const char *msg = e->msg;
+ PyObject *handler, *t;
+
+ handler = get_handler(handler_name);
+ if (!handler)
+ return;
+
+ if (!e->fmt) {
+ tm = 0;
+ msg = (const char *)&e->time;
+ }
+
+ t = tuple_new(9);
+
+ tuple_set_u32(t, 0, e->type);
+ tuple_set_u32(t, 1, e->code);
+ tuple_set_s32(t, 2, e->cpu);
+ tuple_set_s32(t, 3, e->pid);
+ tuple_set_s32(t, 4, e->tid);
+ tuple_set_u64(t, 5, e->ip);
+ tuple_set_u64(t, 6, tm);
+ tuple_set_string(t, 7, msg);
+ tuple_set_u32(t, 8, cpumode);
+
+ call_object(handler, t, handler_name);
+
+ Py_DECREF(t);
+}
+
static void get_handler_name(char *str, size_t size,
struct evsel *evsel)
{
@@ -1999,6 +2040,7 @@ struct scripting_ops python_scripting_ops = {
.stop_script = python_stop_script,
.process_event = python_process_event,
.process_switch = python_process_switch,
+ .process_auxtrace_error = python_process_auxtrace_error,
.process_stat = python_process_stat,
.process_stat_interval = python_process_stat_interval,
.generate_script = python_generate_script,
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 7276674e2971..35c354a15c3a 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -83,6 +83,8 @@ struct scripting_ops {
void (*process_switch)(union perf_event *event,
struct perf_sample *sample,
struct machine *machine);
+ void (*process_auxtrace_error)(struct perf_session *session,
+ union perf_event *event);
void (*process_stat)(struct perf_stat_config *config,
struct evsel *evsel, u64 tstamp);
void (*process_stat_interval)(u64 tstamp);
--
2.17.1
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