For system-wide evsels, the thread map should be dummy - i.e. it has a
single entry of -1. But the code guarantees such a thread map, so no
need to handle it specially.
No functional change intended.
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221003204647.1481128-6-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
if (ncpus == 0 || nthreads == 0)
return 0;
- if (evsel->system_wide)
- nthreads = 1;
-
evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id));
if (evsel->sample_id == NULL)
return -ENOMEM;
struct perf_cpu cpu;
static int header_printed;
- if (counter->core.system_wide)
- nthreads = 1;
-
if (!header_printed) {
printf("%3s %8s %15s %15s %15s %15s %s\n",
"CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
static int __evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,
struct perf_thread_map *threads)
{
- int nthreads;
+ int nthreads = perf_thread_map__nr(threads);
if ((perf_missing_features.write_backward && evsel->core.attr.write_backward) ||
(perf_missing_features.aux_output && evsel->core.attr.aux_output))
threads = empty_thread_map;
}
- if (evsel->core.system_wide)
- nthreads = 1;
- else
- nthreads = threads->nr;
-
if (evsel->core.fd == NULL &&
perf_evsel__alloc_fd(&evsel->core, perf_cpu_map__nr(cpus), nthreads) < 0)
return -ENOMEM;
if (threads == NULL)
threads = empty_thread_map;
- if (evsel->core.system_wide)
- nthreads = 1;
- else
- nthreads = threads->nr;
+ nthreads = perf_thread_map__nr(threads);
if (evsel->cgrp)
pid = evsel->cgrp->fd;
int ncpus = evsel__nr_cpus(counter);
int idx, thread;
- if (counter->core.system_wide)
- nthreads = 1;
-
for (thread = 0; thread < nthreads; thread++) {
for (idx = 0; idx < ncpus; idx++) {
if (process_counter_values(config, counter, idx, thread,