From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/tools/perf/builtin-bench.c | 40 ++++++++++++++++++++++++++++++++++++----
1 files changed, 36 insertions(+), 4 deletions(-)
diff --git a/kernel/tools/perf/builtin-bench.c b/kernel/tools/perf/builtin-bench.c
index 17a6bcd..fb30294 100644
--- a/kernel/tools/perf/builtin-bench.c
+++ b/kernel/tools/perf/builtin-bench.c
@@ -11,20 +11,22 @@
* Available benchmark collection list:
*
* sched ... scheduler and IPC performance
+ * syscall ... System call performance
* 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"
+#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
+#include <linux/zalloc.h>
typedef int (*bench_fn_t)(int argc, const char **argv);
@@ -49,9 +51,16 @@
{ NULL, NULL, NULL }
};
+static struct bench syscall_benchmarks[] = {
+ { "basic", "Benchmark for basic getppid(2) calls", bench_syscall_basic },
+ { "all", "Run all syscall benchmarks", NULL },
+ { NULL, NULL, NULL },
+};
+
static struct bench mem_benchmarks[] = {
{ "memcpy", "Benchmark for memcpy() functions", bench_mem_memcpy },
{ "memset", "Benchmark for memset() functions", bench_mem_memset },
+ { "find_bit", "Benchmark for find_bit() functions", bench_mem_find_bit },
{ "all", "Run all memory access benchmarks", NULL },
{ NULL, NULL, NULL }
};
@@ -67,6 +76,22 @@
{ NULL, NULL, NULL }
};
+#ifdef HAVE_EVENTFD_SUPPORT
+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_SUPPORT
+
+static struct bench internals_benchmarks[] = {
+ { "synthesize", "Benchmark perf event synthesis", bench_synthesize },
+ { "kallsyms-parse", "Benchmark kallsyms parsing", bench_kallsyms_parse },
+ { "inject-build-id", "Benchmark build-id injection", bench_inject_build_id },
+ { NULL, NULL, NULL }
+};
+
struct collection {
const char *name;
const char *summary;
@@ -75,11 +100,16 @@
static struct collection collections[] = {
{ "sched", "Scheduler and IPC benchmarks", sched_benchmarks },
+ { "syscall", "System call benchmarks", syscall_benchmarks },
{ "mem", "Memory access benchmarks", mem_benchmarks },
#ifdef HAVE_LIBNUMA_SUPPORT
{ "numa", "NUMA scheduling and MM benchmarks", numa_benchmarks },
#endif
{"futex", "Futex stressing benchmarks", futex_benchmarks },
+#ifdef HAVE_EVENTFD_SUPPORT
+ {"epoll", "Epoll stressing benchmarks", epoll_benchmarks },
+#endif
+ { "internals", "Perf-internals benchmarks", internals_benchmarks },
{ "all", "All benchmarks", NULL },
{ NULL, NULL, NULL }
};
@@ -196,7 +226,6 @@
if (!bench->fn)
break;
printf("# Running %s/%s benchmark...\n", coll->name, bench->name);
- fflush(stdout);
argv[1] = bench->name;
run_bench(coll->name, bench->name, bench->fn, 1, argv);
@@ -216,6 +245,10 @@
{
struct collection *coll;
int ret = 0;
+
+ /* Unbuffered output */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setlocale(LC_ALL, "");
if (argc < 2) {
/* No collection specified. */
@@ -270,7 +303,6 @@
if (bench_format == BENCH_FORMAT_DEFAULT)
printf("# Running '%s/%s' benchmark:\n", coll->name, bench->name);
- fflush(stdout);
ret = run_bench(coll->name, bench->name, bench->fn, argc-1, argv+1);
goto end;
}
--
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