Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index 17a6bcd..c06fe21 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -14,9 +14,8 @@
* mem ... memory access performance
* numa ... NUMA scheduling and MM performance
* futex ... Futex performance
+ * epoll ... Event poll performance
*/
-#include "perf.h"
-#include "util/util.h"
#include <subcmd/parse-options.h>
#include "builtin.h"
#include "bench/bench.h"
@@ -25,6 +24,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
+#include <linux/zalloc.h>
typedef int (*bench_fn_t)(int argc, const char **argv);
@@ -67,6 +67,15 @@
{ NULL, NULL, NULL }
};
+#ifdef HAVE_EVENTFD
+static struct bench epoll_benchmarks[] = {
+ { "wait", "Benchmark epoll concurrent epoll_waits", bench_epoll_wait },
+ { "ctl", "Benchmark epoll concurrent epoll_ctls", bench_epoll_ctl },
+ { "all", "Run all futex benchmarks", NULL },
+ { NULL, NULL, NULL }
+};
+#endif // HAVE_EVENTFD
+
struct collection {
const char *name;
const char *summary;
@@ -80,6 +89,9 @@
{ "numa", "NUMA scheduling and MM benchmarks", numa_benchmarks },
#endif
{"futex", "Futex stressing benchmarks", futex_benchmarks },
+#ifdef HAVE_EVENTFD
+ {"epoll", "Epoll stressing benchmarks", epoll_benchmarks },
+#endif
{ "all", "All benchmarks", NULL },
{ NULL, NULL, NULL }
};