#include <urcu/arch.h>
#include <urcu/tls-compat.h>
-#include "cpuset.h"
#include "thread-id.h"
/* hardcoded number of CPUs */
}
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 */
}
}
}
+static
void *thr_reader(void *data)
{
unsigned long tidx = (unsigned long)data;
}
+static
void *thr_writer(void *data)
{
unsigned long wtidx = (unsigned long)data;
cmm_smp_mb();
for (;;) {
- for (tidx = 0; tidx < nr_readers; tidx++) {
+ for (tidx = 0; tidx < (long)nr_readers; tidx++) {
urcu_mutex_lock(&per_thread_lock[tidx].lock);
}
test_array.a = 0;
return ((void*)2);
}
-void show_usage(int argc, char **argv)
+static
+void show_usage(char **argv)
{
printf("Usage : %s nr_readers nr_writers duration (s) <OPTIONS>\n",
argv[0]);
void *tret;
unsigned long long tot_reads = 0, tot_writes = 0;
int i, a;
+ unsigned int i_thr;
if (argc < 4) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
cmm_smp_mb();
err = sscanf(argv[1], "%u", &nr_readers);
if (err != 1) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
err = sscanf(argv[2], "%u", &nr_writers);
if (err != 1) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
-
+
err = sscanf(argv[3], "%lu", &duration);
if (err != 1) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
switch (argv[i][1]) {
case 'a':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
a = atoi(argv[++i]);
break;
case 'c':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
rduration = atol(argv[++i]);
break;
case 'd':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
wdelay = atol(argv[++i]);
break;
case 'e':
if (argc < i + 2) {
- show_usage(argc, argv);
+ show_usage(argv);
return -1;
}
wduration = atol(argv[++i]);
tot_nr_reads = calloc(nr_readers, sizeof(*tot_nr_reads));
tot_nr_writes = calloc(nr_writers, sizeof(*tot_nr_writes));
per_thread_lock = calloc(nr_readers, sizeof(*per_thread_lock));
- for (i = 0; i < nr_readers; i++) {
- pthread_mutex_init(&per_thread_lock[i].lock, NULL);
+ for (i_thr = 0; i_thr < nr_readers; i_thr++) {
+ pthread_mutex_init(&per_thread_lock[i_thr].lock, NULL);
}
next_aff = 0;
- for (i = 0; i < nr_readers; i++) {
- err = pthread_create(&tid_reader[i], NULL, thr_reader,
- (void *)(long)i);
+ for (i_thr = 0; i_thr < nr_readers; i_thr++) {
+ err = pthread_create(&tid_reader[i_thr], NULL, thr_reader,
+ (void *)(long)i_thr);
if (err != 0)
exit(1);
}
- for (i = 0; i < nr_writers; i++) {
- err = pthread_create(&tid_writer[i], NULL, thr_writer,
- (void *)(long)i);
+ for (i_thr = 0; i_thr < nr_writers; i_thr++) {
+ err = pthread_create(&tid_writer[i_thr], NULL, thr_writer,
+ (void *)(long)i_thr);
if (err != 0)
exit(1);
}
test_stop = 1;
- for (i = 0; i < nr_readers; i++) {
- err = pthread_join(tid_reader[i], &tret);
+ for (i_thr = 0; i_thr < nr_readers; i_thr++) {
+ err = pthread_join(tid_reader[i_thr], &tret);
if (err != 0)
exit(1);
- tot_reads += tot_nr_reads[i];
+ tot_reads += tot_nr_reads[i_thr];
}
- for (i = 0; i < nr_writers; i++) {
- err = pthread_join(tid_writer[i], &tret);
+ for (i_thr = 0; i_thr < nr_writers; i_thr++) {
+ err = pthread_join(tid_writer[i_thr], &tret);
if (err != 0)
exit(1);
- tot_writes += tot_nr_writes[i];
+ tot_writes += tot_nr_writes[i_thr];
}
printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads,