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perf evsel: Add/use accessor for tp_format

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Add an accessor function for tp_format. Rather than search+replace
uses try to use a variable and reuse it. Add additional NULL checks
when accessing/using the value. Make sure the PTR_ERR is nulled out on
error path in evsel__newtp_idx.

Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ben Gainey <ben.gainey@arm.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paran Lee <p4ranlee@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steinar H. Gunderson <sesse@google.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Falcon <thomas.falcon@intel.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Yang Jihong <yangjihong@bytedance.com>
Cc: Yang Li <yang.lee@linux.alibaba.com>
Cc: Ze Gao <zegao2021@gmail.com>
Cc: Zixian Cai <fzczx123@gmail.com>
Cc: zhaimingbing <zhaimingbing@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20241118225345.889810-6-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2024-11-18 14:53:43 -08:00
committed by Arnaldo Carvalho de Melo
parent 800c93ffaf
commit c46d634a03
13 changed files with 128 additions and 60 deletions
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3
tools/perf/util/scripting-engines/trace-event-python.c
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@@ -949,7 +949,7 @@ static void python_process_tracepoint(struct perf_sample *sample,
struct addr_location *al,
struct addr_location *addr_al)
{
struct tep_event *event = evsel->tp_format;
struct tep_event *event;
PyObject *handler, *context, *t, *obj = NULL, *callchain;
PyObject *dict = NULL, *all_entries_dict = NULL;
static char handler_name[256];
@@ -966,6 +966,7 @@ static void python_process_tracepoint(struct perf_sample *sample,
bitmap_zero(events_defined, TRACE_EVENT_TYPE_MAX);
event = evsel__tp_format(evsel);
if (!event) {
snprintf(handler_name, sizeof(handler_name),
"ug! no event found for type %" PRIu64, (u64)evsel->core.attr.config);