perf stat: Allocate aggr counts for recorded data

In the process_stat_config_event() it sets the aggr_mode that means the
earlier evlist__alloc_stats() cannot allocate the aggr counts due to the
missing aggr_mode.

Do it after setting the aggr_map using evlist__alloc_aggr_stats().

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221018020227.85905-13-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 0980875b9be1..4c00f814bd79 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -275,6 +275,8 @@ void evlist__reset_prev_raw_counts(struct evlist *evlist);
 void evlist__copy_prev_raw_counts(struct evlist *evlist);
 void evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
 
+int evlist__alloc_aggr_stats(struct evlist *evlist, int nr_aggr);
+
 int perf_stat_process_counter(struct perf_stat_config *config,
 			      struct evsel *counter);
 struct perf_tool;