perf jevents: Silence warning for ArchStd files

JSON files in the level 1 directory are used for ArchStd events (see
preprocess_arch_std_files), as such they shouldn't be warned about.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210506225640.1461000-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/pmu-events/jevents.c

@@ -1123,7 +1123,9 @@ static int process_one_file(const char *fpath, const struct stat *sb,
 			mapfile = strdup(fpath);
 			return 0;
 		}
-
+		if (is_json_file(bname))
+			pr_debug("%s: ArchStd json is preprocessed %s\n", prog, fpath);
+		else
 			pr_info("%s: Ignoring file %s\n", prog, fpath);
 		return 0;
 	}