Commit 2ede9217 authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf scripting python: Add auxtrace error 



Add auxtrace_error to general python scripting.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210525095112.1399-10-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 0db21340

tools/perf/builtin-script.c

+13 −0
Original line number Diff line number Diff line
@@ -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)

tools/perf/util/scripting-engines/trace-event-python.c

+42 −0
Original line number Diff line number Diff line
@@ -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,

tools/perf/util/trace-event.h

+2 −0
Original line number Diff line number Diff line
@@ -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);