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rculfhash: diminish index table memory consumption
[userspace-rcu.git]
/
tests
/
test_rwlock.c
diff --git
a/tests/test_rwlock.c
b/tests/test_rwlock.c
index b8931008bfd6dd172b53f7f2dbde0ef8d683d885..9c8f97e39cf2232be5f461a655102ba1c3feac07 100644
(file)
--- a/
tests/test_rwlock.c
+++ b/
tests/test_rwlock.c
@@
-3,7
+3,7
@@
*
* Userspace RCU library - test program
*
*
* 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
*
* 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
@@
-31,12
+31,15
@@
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
-#include <sys/syscall.h>
#include <sched.h>
#include <errno.h>
#include <urcu/arch.h>
#include <sched.h>
#include <errno.h>
#include <urcu/arch.h>
+#ifdef __linux__
+#include <syscall.h>
+#endif
+
/* hardcoded number of CPUs */
#define NR_CPUS 16384
/* hardcoded number of CPUs */
#define NR_CPUS 16384
@@
-79,10
+82,13
@@
static unsigned long duration;
/* read-side C.S. duration, in loops */
static unsigned long rduration;
/* 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)
static inline void loop_sleep(unsigned long l)
{
while(l-- != 0)
- cpu_relax();
+ c
aa_c
pu_relax();
}
static int verbose_mode;
}
static int verbose_mode;
@@
-222,12
+228,14
@@
void *thr_writer(void *_count)
while (!test_go)
{
}
while (!test_go)
{
}
- smp_mb();
+
cmm_
smp_mb();
for (;;) {
pthread_rwlock_wrlock(&lock);
test_array.a = 0;
test_array.a = 8;
for (;;) {
pthread_rwlock_wrlock(&lock);
test_array.a = 0;
test_array.a = 8;
+ if (unlikely(wduration))
+ loop_sleep(wduration);
pthread_rwlock_unlock(&lock);
nr_writes++;
if (unlikely(!test_duration_write()))
pthread_rwlock_unlock(&lock);
nr_writes++;
if (unlikely(!test_duration_write()))
@@
-250,6
+258,7
@@
void show_usage(int argc, char **argv)
#endif
printf(" [-d delay] (writer period (us))");
printf(" [-c duration] (reader C.S. duration (in loops))");
#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");
printf(" [-v] (verbose output)");
printf(" [-a cpu#] [-a cpu#]... (affinity)");
printf("\n");
@@
-268,7
+277,7
@@
int main(int argc, char **argv)
show_usage(argc, argv);
return -1;
}
show_usage(argc, argv);
return -1;
}
- smp_mb();
+
cmm_
smp_mb();
err = sscanf(argv[1], "%u", &nr_readers);
if (err != 1) {
err = sscanf(argv[1], "%u", &nr_readers);
if (err != 1) {
@@
-324,6
+333,13
@@
int main(int argc, char **argv)
}
wdelay = atol(argv[++i]);
break;
}
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;
case 'v':
verbose_mode = 1;
break;
@@
-357,7
+373,7
@@
int main(int argc, char **argv)
exit(1);
}
exit(1);
}
- smp_mb();
+
cmm_
smp_mb();
test_go = 1;
test_go = 1;
@@
-380,10
+396,10
@@
int main(int argc, char **argv)
printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads,
tot_writes);
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",
"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);
nr_writers, wdelay, tot_reads, tot_writes,
tot_reads + tot_writes);
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