From 2ede92173faa14ed6a5272b3e7a6dd6daae3b161 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 25 May 2021 12:51:11 +0300 Subject: [PATCH] perf scripting python: Add auxtrace error Add auxtrace_error to general python scripting. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: https://lore.kernel.org/r/20210525095112.1399-10-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 13 +++++++ .../util/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 69bce65..7a7a19f 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 c422901..ffc5f4c 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 7276674..35c354a 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); -- 2.7.4