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Diffstat (limited to 'tools/testing/selftests/mqueue/mq_perf_tests.c')
-rw-r--r--tools/testing/selftests/mqueue/mq_perf_tests.c83
1 files changed, 48 insertions, 35 deletions
diff --git a/tools/testing/selftests/mqueue/mq_perf_tests.c b/tools/testing/selftests/mqueue/mq_perf_tests.c
index 2fadd4b97045..303c46eebd94 100644
--- a/tools/testing/selftests/mqueue/mq_perf_tests.c
+++ b/tools/testing/selftests/mqueue/mq_perf_tests.c
@@ -35,8 +35,12 @@
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/stat.h>
+#include <sys/param.h>
#include <mqueue.h>
#include <popt.h>
+#include <error.h>
+
+#include "kselftest.h"
static char *usage =
"Usage:\n"
@@ -70,7 +74,6 @@ static char *usage =
char *MAX_MSGS = "/proc/sys/fs/mqueue/msg_max";
char *MAX_MSGSIZE = "/proc/sys/fs/mqueue/msgsize_max";
-#define min(a, b) ((a) < (b) ? (a) : (b))
#define MAX_CPUS 64
char *cpu_option_string;
int cpus_to_pin[MAX_CPUS];
@@ -177,6 +180,9 @@ void shutdown(int exit_val, char *err_cause, int line_no)
if (in_shutdown++)
return;
+ /* Free the cpu_set allocated using CPU_ALLOC in main function */
+ CPU_FREE(cpu_set);
+
for (i = 0; i < num_cpus_to_pin; i++)
if (cpu_threads[i]) {
pthread_kill(cpu_threads[i], SIGUSR1);
@@ -296,9 +302,9 @@ static inline void open_queue(struct mq_attr *attr)
printf("\n\tQueue %s created:\n", queue_path);
printf("\t\tmq_flags:\t\t\t%s\n", result.mq_flags & O_NONBLOCK ?
"O_NONBLOCK" : "(null)");
- printf("\t\tmq_maxmsg:\t\t\t%d\n", result.mq_maxmsg);
- printf("\t\tmq_msgsize:\t\t\t%d\n", result.mq_msgsize);
- printf("\t\tmq_curmsgs:\t\t\t%d\n", result.mq_curmsgs);
+ printf("\t\tmq_maxmsg:\t\t\t%lu\n", result.mq_maxmsg);
+ printf("\t\tmq_msgsize:\t\t\t%lu\n", result.mq_msgsize);
+ printf("\t\tmq_curmsgs:\t\t\t%lu\n", result.mq_curmsgs);
}
void *fake_cont_thread(void *arg)
@@ -317,7 +323,8 @@ void *fake_cont_thread(void *arg)
void *cont_thread(void *arg)
{
char buff[MSG_SIZE];
- int i, priority;
+ int i;
+ unsigned int priority;
for (i = 0; i < num_cpus_to_pin; i++)
if (cpu_threads[i] == pthread_self())
@@ -419,7 +426,8 @@ struct test test2[] = {
void *perf_test_thread(void *arg)
{
char buff[MSG_SIZE];
- int prio_out, prio_in;
+ int prio_out;
+ unsigned int prio_in;
int i;
clockid_t clock;
pthread_t *t;
@@ -440,7 +448,7 @@ void *perf_test_thread(void *arg)
shutdown(2, "clock_getres()", __LINE__);
printf("\t\tMax priorities:\t\t\t%d\n", mq_prio_max);
- printf("\t\tClock resolution:\t\t%d nsec%s\n", res.tv_nsec,
+ printf("\t\tClock resolution:\t\t%lu nsec%s\n", res.tv_nsec,
res.tv_nsec > 1 ? "s" : "");
@@ -454,20 +462,20 @@ void *perf_test_thread(void *arg)
recv_total.tv_nsec = 0;
for (i = 0; i < TEST1_LOOPS; i++)
do_send_recv();
- printf("\t\tSend msg:\t\t\t%d.%ds total time\n",
+ printf("\t\tSend msg:\t\t\t%ld.%lus total time\n",
send_total.tv_sec, send_total.tv_nsec);
nsec = ((unsigned long long)send_total.tv_sec * 1000000000 +
send_total.tv_nsec) / TEST1_LOOPS;
- printf("\t\t\t\t\t\t%d nsec/msg\n", nsec);
- printf("\t\tRecv msg:\t\t\t%d.%ds total time\n",
+ printf("\t\t\t\t\t\t%lld nsec/msg\n", nsec);
+ printf("\t\tRecv msg:\t\t\t%ld.%lus total time\n",
recv_total.tv_sec, recv_total.tv_nsec);
nsec = ((unsigned long long)recv_total.tv_sec * 1000000000 +
recv_total.tv_nsec) / TEST1_LOOPS;
- printf("\t\t\t\t\t\t%d nsec/msg\n", nsec);
+ printf("\t\t\t\t\t\t%lld nsec/msg\n", nsec);
for (cur_test = test2; cur_test->desc != NULL; cur_test++) {
- printf(cur_test->desc);
+ printf("%s:\n", cur_test->desc);
printf("\t\t(%d iterations)\n", TEST2_LOOPS);
prio_out = 0;
send_total.tv_sec = 0;
@@ -493,16 +501,16 @@ void *perf_test_thread(void *arg)
cur_test->func(&prio_out);
}
printf("done.\n");
- printf("\t\tSend msg:\t\t\t%d.%ds total time\n",
+ printf("\t\tSend msg:\t\t\t%ld.%lus total time\n",
send_total.tv_sec, send_total.tv_nsec);
nsec = ((unsigned long long)send_total.tv_sec * 1000000000 +
send_total.tv_nsec) / TEST2_LOOPS;
- printf("\t\t\t\t\t\t%d nsec/msg\n", nsec);
- printf("\t\tRecv msg:\t\t\t%d.%ds total time\n",
+ printf("\t\t\t\t\t\t%lld nsec/msg\n", nsec);
+ printf("\t\tRecv msg:\t\t\t%ld.%lus total time\n",
recv_total.tv_sec, recv_total.tv_nsec);
nsec = ((unsigned long long)recv_total.tv_sec * 1000000000 +
recv_total.tv_nsec) / TEST2_LOOPS;
- printf("\t\t\t\t\t\t%d nsec/msg\n", nsec);
+ printf("\t\t\t\t\t\t%lld nsec/msg\n", nsec);
printf("\t\tDraining queue...");
fflush(stdout);
clock_gettime(clock, &start);
@@ -536,10 +544,9 @@ int main(int argc, char *argv[])
{
struct mq_attr attr;
char *option, *next_option;
- int i, cpu;
+ int i, cpu, rc;
struct sigaction sa;
poptContext popt_context;
- char rc;
void *retval;
main_thread = pthread_self();
@@ -549,7 +556,13 @@ int main(int argc, char *argv[])
perror("sysconf(_SC_NPROCESSORS_ONLN)");
exit(1);
}
- cpus_online = min(MAX_CPUS, sysconf(_SC_NPROCESSORS_ONLN));
+
+ if (getuid() != 0)
+ ksft_exit_skip("Not running as root, but almost all tests "
+ "require root in order to modify\nsystem settings. "
+ "Exiting.\n");
+
+ cpus_online = MIN(MAX_CPUS, sysconf(_SC_NPROCESSORS_ONLN));
cpu_set = CPU_ALLOC(cpus_online);
if (cpu_set == NULL) {
perror("CPU_ALLOC()");
@@ -587,7 +600,7 @@ int main(int argc, char *argv[])
cpu_set)) {
fprintf(stderr, "Any given CPU may "
"only be given once.\n");
- exit(1);
+ goto err_code;
} else
CPU_SET_S(cpus_to_pin[cpu],
cpu_set_size, cpu_set);
@@ -605,7 +618,7 @@ int main(int argc, char *argv[])
queue_path = malloc(strlen(option) + 2);
if (!queue_path) {
perror("malloc()");
- exit(1);
+ goto err_code;
}
queue_path[0] = '/';
queue_path[1] = 0;
@@ -620,19 +633,12 @@ int main(int argc, char *argv[])
fprintf(stderr, "Must pass at least one CPU to continuous "
"mode.\n");
poptPrintUsage(popt_context, stderr, 0);
- exit(1);
+ goto err_code;
} else if (!continuous_mode) {
num_cpus_to_pin = 1;
cpus_to_pin[0] = cpus_online - 1;
}
- if (getuid() != 0) {
- fprintf(stderr, "Not running as root, but almost all tests "
- "require root in order to modify\nsystem settings. "
- "Exiting.\n");
- exit(1);
- }
-
max_msgs = fopen(MAX_MSGS, "r+");
max_msgsize = fopen(MAX_MSGSIZE, "r+");
if (!max_msgs)
@@ -653,8 +659,10 @@ int main(int argc, char *argv[])
/* Tell the user our initial state */
printf("\nInitial system state:\n");
printf("\tUsing queue path:\t\t\t%s\n", queue_path);
- printf("\tRLIMIT_MSGQUEUE(soft):\t\t\t%d\n", saved_limits.rlim_cur);
- printf("\tRLIMIT_MSGQUEUE(hard):\t\t\t%d\n", saved_limits.rlim_max);
+ printf("\tRLIMIT_MSGQUEUE(soft):\t\t\t%ld\n",
+ (long) saved_limits.rlim_cur);
+ printf("\tRLIMIT_MSGQUEUE(hard):\t\t\t%ld\n",
+ (long) saved_limits.rlim_max);
printf("\tMaximum Message Size:\t\t\t%d\n", saved_max_msgsize);
printf("\tMaximum Queue Size:\t\t\t%d\n", saved_max_msgs);
printf("\tNice value:\t\t\t\t%d\n", cur_nice);
@@ -667,10 +675,10 @@ int main(int argc, char *argv[])
printf("\tRLIMIT_MSGQUEUE(soft):\t\t\t(unlimited)\n");
printf("\tRLIMIT_MSGQUEUE(hard):\t\t\t(unlimited)\n");
} else {
- printf("\tRLIMIT_MSGQUEUE(soft):\t\t\t%d\n",
- cur_limits.rlim_cur);
- printf("\tRLIMIT_MSGQUEUE(hard):\t\t\t%d\n",
- cur_limits.rlim_max);
+ printf("\tRLIMIT_MSGQUEUE(soft):\t\t\t%ld\n",
+ (long) cur_limits.rlim_cur);
+ printf("\tRLIMIT_MSGQUEUE(hard):\t\t\t%ld\n",
+ (long) cur_limits.rlim_max);
}
printf("\tMaximum Message Size:\t\t\t%d\n", cur_max_msgsize);
printf("\tMaximum Queue Size:\t\t\t%d\n", cur_max_msgs);
@@ -738,4 +746,9 @@ int main(int argc, char *argv[])
sleep(1);
}
shutdown(0, "", 0);
+
+err_code:
+ CPU_FREE(cpu_set);
+ exit(1);
+
}
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