1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 78f7b920e548..95c58fc15284 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -458,6 +458,7 @@ int main(int argc, const char **argv)
 
         /* The page_size is placed in util object. */
         page_size = sysconf(_SC_PAGE_SIZE);
+        cacheline_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
 
         cmd = perf_extract_argv0_path(argv[0]);
         if (!cmd)