rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/tools/perf/bench/futex-hash.c
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@@ -35,7 +35,7 @@
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 static bool fshared = false, done = false, silent = false;
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 static int futex_flag = 0;
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-struct timeval start, end, runtime;
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+struct timeval bench__start, bench__end, bench__runtime;
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 static pthread_mutex_t thread_lock;
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 static unsigned int threads_starting;
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 static struct stats throughput_stats;
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@@ -101,8 +101,8 @@
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 {
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 	/* inform all threads that we're done for the day */
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 	done = true;
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-	gettimeofday(&end, NULL);
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-	timersub(&end, &start, &runtime);
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+	gettimeofday(&bench__end, NULL);
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+	timersub(&bench__end, &bench__start, &bench__runtime);
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 }
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 static void print_summary(void)
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@@ -112,7 +112,7 @@
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 	printf("%sAveraged %ld operations/sec (+- %.2f%%), total secs = %d\n",
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 	       !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
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-	       (int) runtime.tv_sec);
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+	       (int)bench__runtime.tv_sec);
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 }
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 int bench_futex_hash(int argc, const char **argv)
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@@ -159,7 +159,7 @@
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 	threads_starting = nthreads;
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 	pthread_attr_init(&thread_attr);
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-	gettimeofday(&start, NULL);
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+	gettimeofday(&bench__start, NULL);
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 	for (i = 0; i < nthreads; i++) {
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 		worker[i].tid = i;
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 		worker[i].futex = calloc(nfutexes, sizeof(*worker[i].futex));
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@@ -202,7 +202,7 @@
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 	pthread_mutex_destroy(&thread_lock);
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 	for (i = 0; i < nthreads; i++) {
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-		unsigned long t = worker[i].ops/runtime.tv_sec;
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+		unsigned long t = worker[i].ops / bench__runtime.tv_sec;
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 		update_stats(&throughput_stats, t);
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 		if (!silent) {
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 			if (nfutexes == 1)