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igt/gem_concurrent_blit: Reset process limits to allow dmabuf tests

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Since dmabuf requires an actual fd for every object, we need to increase
the number of files our process is allowed.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-20 10:49:54 +00:00
parent 82e9113bfb
commit 3d8af56ed2
1 changed files with 23 additions and 0 deletions
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23
tests/gem_concurrent_all.c
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@ -42,6 +42,7 @@
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
@ -1554,6 +1555,26 @@ num_buffers(uint64_t max,
return n;
}
static bool allow_unlimited_files(void)
{
struct rlimit rlim;
unsigned nofile_rlim = 1024*1024;
FILE *file = fopen("/proc/sys/fs/file-max", "r");
if (file) {
igt_assert(fscanf(file, "%u", &nofile_rlim) == 1);
igt_info("System limit for open files is %u\n", nofile_rlim);
fclose(file);
}
if (getrlimit(RLIMIT_NOFILE, &rlim))
return false;
rlim.rlim_cur = nofile_rlim;
rlim.rlim_max = nofile_rlim;
return setrlimit(RLIMIT_NOFILE, &rlim) == 0;
}
igt_main
{
const struct access_mode modes[] = {
@ -1669,6 +1690,8 @@ igt_main
all = true;
igt_fixture {
igt_require(allow_unlimited_files());
fd = drm_open_driver(DRIVER_INTEL);
intel_detect_and_clear_missed_interrupts(fd);
devid = intel_get_drm_devid(fd);