From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/tools/perf/bench/futex-lock-pi.c | 26 +++++++++++++++-----------
1 files changed, 15 insertions(+), 11 deletions(-)
diff --git a/kernel/tools/perf/bench/futex-lock-pi.c b/kernel/tools/perf/bench/futex-lock-pi.c
index 8e9c475..159bc89 100644
--- a/kernel/tools/perf/bench/futex-lock-pi.c
+++ b/kernel/tools/perf/bench/futex-lock-pi.c
@@ -12,10 +12,12 @@
#include <subcmd/parse-options.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <errno.h>
+#include <internal/cpumap.h>
+#include <perf/cpumap.h>
#include "bench.h"
#include "futex.h"
-#include "cpumap.h"
#include <err.h>
#include <stdlib.h>
@@ -35,7 +37,6 @@
static bool done = false, fshared = false;
static unsigned int nthreads = 0;
static int futex_flag = 0;
-struct timeval start, end, runtime;
static pthread_mutex_t thread_lock;
static unsigned int threads_starting;
static struct stats throughput_stats;
@@ -62,7 +63,7 @@
printf("%sAveraged %ld operations/sec (+- %.2f%%), total secs = %d\n",
!silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
- (int) runtime.tv_sec);
+ (int)bench__runtime.tv_sec);
}
static void toggle_done(int sig __maybe_unused,
@@ -71,8 +72,8 @@
{
/* inform all threads that we're done for the day */
done = true;
- gettimeofday(&end, NULL);
- timersub(&end, &start, &runtime);
+ gettimeofday(&bench__end, NULL);
+ timersub(&bench__end, &bench__start, &bench__runtime);
}
static void *workerfn(void *arg)
@@ -115,7 +116,7 @@
}
static void create_threads(struct worker *w, pthread_attr_t thread_attr,
- struct cpu_map *cpu)
+ struct perf_cpu_map *cpu)
{
cpu_set_t cpuset;
unsigned int i;
@@ -149,16 +150,17 @@
unsigned int i;
struct sigaction act;
pthread_attr_t thread_attr;
- struct cpu_map *cpu;
+ struct perf_cpu_map *cpu;
argc = parse_options(argc, argv, options, bench_futex_lock_pi_usage, 0);
if (argc)
goto err;
- cpu = cpu_map__new(NULL);
+ cpu = perf_cpu_map__new(NULL);
if (!cpu)
err(EXIT_FAILURE, "calloc");
+ memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);
@@ -183,7 +185,7 @@
threads_starting = nthreads;
pthread_attr_init(&thread_attr);
- gettimeofday(&start, NULL);
+ gettimeofday(&bench__start, NULL);
create_threads(worker, thread_attr, cpu);
pthread_attr_destroy(&thread_attr);
@@ -209,7 +211,8 @@
pthread_mutex_destroy(&thread_lock);
for (i = 0; i < nthreads; i++) {
- unsigned long t = worker[i].ops/runtime.tv_sec;
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
update_stats(&throughput_stats, t);
if (!silent)
@@ -217,12 +220,13 @@
worker[i].tid, worker[i].futex, t);
if (multi)
- free(worker[i].futex);
+ zfree(&worker[i].futex);
}
print_summary();
free(worker);
+ perf_cpu_map__put(cpu);
return ret;
err:
usage_with_options(bench_futex_lock_pi_usage, options);
--
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