X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_perthreadlock.c;h=6c7114ca059096f98340ce7f815a7b7a8fa40bca;hp=7402f01e0dcf24eb08893d64013f50d64ee681af;hb=65fcc7e9957a1658327acd121c3d8c3b36f4a94e;hpb=833dbdb633ba44bfb71b4b965a83096d8e4e827b

diff --git a/tests/test_perthreadlock.c b/tests/test_perthreadlock.c
index 7402f01..6c7114c 100644
--- a/tests/test_perthreadlock.c
+++ b/tests/test_perthreadlock.c
@@ -3,7 +3,7 @@
  *
  * Userspace RCU library - test program
  *
- * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,6 +21,7 @@
  */
 
 #define _GNU_SOURCE
+#include "../config.h"
 #include <stdio.h>
 #include <pthread.h>
 #include <stdlib.h>
@@ -30,13 +31,14 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <assert.h>
-#include <sys/syscall.h>
 #include <sched.h>
+#include <errno.h>
 
-#include "../arch.h"
+#include <urcu/arch.h>
 
-/* Make this big enough to include the POWER5+ L3 cacheline size of 256B */
-#define CACHE_LINE_SIZE 4096
+#ifdef __linux__
+#include <syscall.h>
+#endif
 
 /* hardcoded number of CPUs */
 #define NR_CPUS 16384
@@ -61,7 +63,7 @@ static inline pid_t gettid(void)
 #else
 #define debug_yield_read()
 #endif
-#include "../urcu.h"
+#include <urcu.h>
 
 struct test_array {
 	int a;
@@ -69,7 +71,7 @@ struct test_array {
 
 struct per_thread_lock {
 	pthread_mutex_t lock;
-} __attribute__((aligned(CACHE_LINE_SIZE)));	/* cache-line aligned */
+} __attribute__((aligned(CAA_CACHE_LINE_SIZE)));	/* cache-line aligned */
 
 static struct per_thread_lock *per_thread_lock;
 
@@ -84,10 +86,13 @@ static unsigned long duration;
 /* read-side C.S. duration, in loops */
 static unsigned long rduration;
 
+/* write-side C.S. duration, in loops */
+static unsigned long wduration;
+
 static inline void loop_sleep(unsigned long l)
 {
 	while(l-- != 0)
-		cpu_relax();
+		caa_cpu_relax();
 }
 
 static int verbose_mode;
@@ -104,6 +109,12 @@ static int use_affinity = 0;
 
 pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
 
+#ifndef HAVE_CPU_SET_T
+typedef unsigned long cpu_set_t;
+# define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0)
+# define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0)
+#endif
+
 static void set_affinity(void)
 {
 	cpu_set_t mask;
@@ -113,6 +124,7 @@ static void set_affinity(void)
 	if (!use_affinity)
 		return;
 
+#if HAVE_SCHED_SETAFFINITY
 	ret = pthread_mutex_lock(&affinity_mutex);
 	if (ret) {
 		perror("Error in pthread mutex lock");
@@ -126,7 +138,12 @@ static void set_affinity(void)
 	}
 	CPU_ZERO(&mask);
 	CPU_SET(cpu, &mask);
+#if SCHED_SETAFFINITY_ARGS == 2
+	sched_setaffinity(0, &mask);
+#else
 	sched_setaffinity(0, sizeof(mask), &mask);
+#endif
+#endif /* HAVE_SCHED_SETAFFINITY */
 }
 
 /*
@@ -146,9 +163,9 @@ static unsigned long long __thread nr_writes;
 static unsigned long long __thread nr_reads;
 
 static
-unsigned long long __attribute__((aligned(CACHE_LINE_SIZE))) *tot_nr_writes;
+unsigned long long __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *tot_nr_writes;
 static
-unsigned long long __attribute__((aligned(CACHE_LINE_SIZE))) *tot_nr_reads;
+unsigned long long __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *tot_nr_reads;
 
 static unsigned int nr_readers;
 static unsigned int nr_writers;
@@ -220,7 +237,7 @@ void *thr_writer(void *data)
 	while (!test_go)
 	{
 	}
-	smp_mb();
+	cmm_smp_mb();
 
 	for (;;) {
 		for (tidx = 0; tidx < nr_readers; tidx++) {
@@ -228,6 +245,8 @@ void *thr_writer(void *data)
 		}
 		test_array.a = 0;
 		test_array.a = 8;
+		if (unlikely(wduration))
+			loop_sleep(wduration);
 		for (tidx = (long)nr_readers - 1; tidx >= 0; tidx--) {
 			pthread_mutex_unlock(&per_thread_lock[tidx].lock);
 		}
@@ -252,6 +271,7 @@ void show_usage(int argc, char **argv)
 #endif
 	printf(" [-d delay] (writer period (us))");
 	printf(" [-c duration] (reader C.S. duration (in loops))");
+	printf(" [-e duration] (writer C.S. duration (in loops))");
 	printf(" [-v] (verbose output)");
 	printf(" [-a cpu#] [-a cpu#]... (affinity)");
 	printf("\n");
@@ -270,7 +290,7 @@ int main(int argc, char **argv)
 		show_usage(argc, argv);
 		return -1;
 	}
-	smp_mb();
+	cmm_smp_mb();
 
 	err = sscanf(argv[1], "%u", &nr_readers);
 	if (err != 1) {
@@ -326,6 +346,13 @@ int main(int argc, char **argv)
 			}
 			wdelay = atol(argv[++i]);
 			break;
+		case 'e':
+			if (argc < i + 2) {
+				show_usage(argc, argv);
+				return -1;
+			}
+			wduration = atol(argv[++i]);
+			break;
 		case 'v':
 			verbose_mode = 1;
 			break;
@@ -362,7 +389,7 @@ int main(int argc, char **argv)
 			exit(1);
 	}
 
-	smp_mb();
+	cmm_smp_mb();
 
 	test_go = 1;
 
@@ -385,10 +412,10 @@ int main(int argc, char **argv)
 
 	printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads,
 	       tot_writes);
-	printf("SUMMARY %-25s testdur %4lu nr_readers %3u rdur %6lu "
+	printf("SUMMARY %-25s testdur %4lu nr_readers %3u rdur %6lu wdur %6lu "
 		"nr_writers %3u "
 		"wdelay %6lu nr_reads %12llu nr_writes %12llu nr_ops %12llu\n",
-		argv[0], duration, nr_readers, rduration,
+		argv[0], duration, nr_readers, rduration, wduration,
 		nr_writers, wdelay, tot_reads, tot_writes,
 		tot_reads + tot_writes);