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igt/gem_close_race: Batify

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-04-20 18:35:37 +01:00
parent ed6fb66a50
commit f650aa2dd6
3 changed files with 61 additions and 47 deletions
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3
lib/igt_aux.h
View File

@ -51,6 +51,9 @@ bool igt_sigiter_continue(struct igt_sigiter *iter, bool interrupt);
#define igt_interruptible(E) \
for (struct igt_sigiter iter__={}; igt_sigiter_continue(&iter__, (E)); )
#define igt_timeout(T) \
for (struct timespec t__={}; igt_seconds_elapsed(&t__) < (T); )
void igt_exchange_int(void *array, unsigned i, unsigned j);
void igt_permute_array(void *array, unsigned size,
void (*exchange_func)(void *array,

102
tests/gem_close_race.c
View File

@ -132,7 +132,7 @@ static uint32_t load(int fd)
return handle;
}
static void run(int child)
static void process(int child)
{
uint32_t handle;
int fd;
@ -145,13 +145,12 @@ static void run(int child)
gem_read(fd, handle, 0, &handle, sizeof(handle));
}
#define NUM_FD 768
struct thread {
pthread_mutex_t mutex;
int device;
int fds[NUM_FD];
int done;
int nfd;
int fds[0];
};
static void *thread_run(void *_data)
@ -164,7 +163,7 @@ static void *thread_run(void *_data)
while (!t->done) {
pthread_mutex_unlock(&t->mutex);
for (int n = 0; n < NUM_FD; n++) {
for (int n = 0; n < t->nfd; n++) {
int fd = t->fds[n];
arg.handle = 0;
@ -194,7 +193,7 @@ static void *thread_busy(void *_data)
pthread_mutex_lock(&t->mutex);
while (!t->done) {
struct drm_i915_gem_busy busy;
int fd = t->fds[rand() % NUM_FD];
int fd = t->fds[rand() % t->nfd];
pthread_mutex_unlock(&t->mutex);
@ -220,6 +219,47 @@ static void *thread_busy(void *_data)
return 0;
}
static void threads(int nfd, int timeout)
{
pthread_t thread[2];
struct thread *data = calloc(1, sizeof(struct thread));
int n;
data = calloc(1, sizeof(struct thread) + sizeof(int)*nfd);
igt_assert(data);
pthread_mutex_init(&data->mutex, NULL);
data->device = open(device, O_RDWR);
for (n = 0; n < nfd; n++)
data->fds[n] = open(device, O_RDWR);
data->nfd = nfd;
pthread_create(&thread[0], NULL, thread_run, data);
pthread_create(&thread[1], NULL, thread_busy, data);
igt_timeout(timeout) {
int i = rand() % nfd;
if (data->fds[i] == -1) {
data->fds[i] = open(device, O_RDWR);
} else{
close(data->fds[i]);
data->fds[i] = -1;
}
}
pthread_mutex_lock(&data->mutex);
data->done = 1;
pthread_mutex_unlock(&data->mutex);
pthread_join(thread[1], NULL);
pthread_join(thread[0], NULL);
for (n = 0; n < nfd; n++)
close(data->fds[n]);
close(data->device);
free(data);
}
igt_main
{
igt_skip_on_simulation();
@ -236,47 +276,21 @@ igt_main
close(fd);
}
igt_subtest("process-exit") {
igt_fork(child, NUM_FD)
run(child);
igt_subtest("basic-process") {
igt_fork(child, 1)
process(child);
igt_waitchildren();
}
igt_subtest("gem-close-race") {
pthread_t thread[2];
struct thread *data = calloc(1, sizeof(struct thread));
int n;
igt_subtest("basic-threads")
threads(sysconf(_SC_NPROCESSORS_ONLN), 10);
igt_assert(data);
pthread_mutex_init(&data->mutex, NULL);
data->device = open(device, O_RDWR);
for (n = 0; n < NUM_FD; n++)
data->fds[n] = open(device, O_RDWR);
pthread_create(&thread[0], NULL, thread_run, data);
pthread_create(&thread[1], NULL, thread_busy, data);
for (n = 0; n < 1000*NUM_FD; n++) {
int i = rand() % NUM_FD;
if (data->fds[i] == -1) {
data->fds[i] = open(device, O_RDWR);
} else{
close(data->fds[i]);
data->fds[i] = -1;
}
}
pthread_mutex_lock(&data->mutex);
data->done = 1;
pthread_mutex_unlock(&data->mutex);
pthread_join(thread[1], NULL);
pthread_join(thread[0], NULL);
for (n = 0; n < NUM_FD; n++)
close(data->fds[n]);
close(data->device);
free(data);
igt_subtest("process-exit") {
igt_fork(child, 768)
process(child);
igt_waitchildren();
}
igt_subtest("gem-close-race")
threads(2*sysconf(_SC_NPROCESSORS_ONLN), 120);
}

3
tests/gem_shrink.c
View File

@ -30,9 +30,6 @@
#include "igt.h"
#include "igt_gt.h"
#define igt_timeout(T) \
for (struct timespec t__={}; igt_seconds_elapsed(&t__) < (T); )
#ifndef MADV_FREE
#define MADV_FREE 8
#endif