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perf scripting python: Add auxtrace error

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Add auxtrace_error to general python scripting.

Signed-off-by: Adrian 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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2021-05-25 12:51:11 +03:00 • committed by Arnaldo Carvalho de Melo
parent 0db2134069
commit 2ede92173f
3 changed files with 57 additions and 0 deletions
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42
tools/perf/util/scripting-engines/trace-event-python.c
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@ -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,