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igt/gem_ringfill: Use igt_sigiter to focus the interruptible testing

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Use the igt_sigiter interface to repeat the ringfill testing for as much
as is required to exercise all potential injection sites.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-19 13:13:06 +00:00
parent e85613b47c
commit 87cad37c78
1 changed files with 21 additions and 25 deletions
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44
tests/gem_ringfill.c
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@ -34,6 +34,14 @@
#include "igt.h"
#include "igt_gt.h"
#define INTERRUPTIBLE 0x1
#define HANG 0x2
#define CHILD 0x8
#define FORKED 0x8
#define BOMB 0x10
#define SUSPEND 0x20
#define HIBERNATE 0x40
static void check_bo(int fd, uint32_t handle)
{
uint32_t *map;
@ -47,10 +55,10 @@ static void check_bo(int fd, uint32_t handle)
munmap(map, 4096);
}
static void fill_ring(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
static void fill_ring(int fd,
struct drm_i915_gem_execbuffer2 *execbuf,
unsigned flags)
{
int i;
/* The ring we've been using is 128k, and each rendering op
* will use at least 8 dwords:
*
@ -67,18 +75,12 @@ static void fill_ring(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
* doing this, we aren't likely to with this test.
*/
igt_debug("Executing execbuf %d times\n", 128*1024/(8*4));
for (i = 0; i < 128*1024 / (8 * 4); i++)
igt_interruptible(flags & INTERRUPTIBLE) {
for (int i = 0; i < 128*1024 / (8 * 4); i++)
gem_execbuf(fd, execbuf);
}
}
#define INTERRUPTIBLE 0x1
#define HANG 0x2
#define CHILD 0x8
#define FORKED 0x8
#define BOMB 0x10
#define SUSPEND 0x20
#define HIBERNATE 0x40
static void run_test(int fd, unsigned ring, unsigned flags)
{
const int gen = intel_gen(intel_get_drm_devid(fd));
@ -157,22 +159,19 @@ static void run_test(int fd, unsigned ring, unsigned flags)
if (flags & HANG)
hang = igt_hang_ring(fd, ring & ~(3<<13));
if (flags & INTERRUPTIBLE)
igt_fork_signal_helper();
if (flags & (CHILD | FORKED | BOMB)) {
int nchild;
if (flags & CHILD)
nchild = 1;
else if (flags & FORKED)
if (flags & FORKED)
nchild = sysconf(_SC_NPROCESSORS_ONLN);
else
else if (flags & BOMB)
nchild = 8*sysconf(_SC_NPROCESSORS_ONLN);
else
nchild = 1;
igt_debug("Forking %d children\n", nchild);
igt_fork(child, nchild)
fill_ring(fd, &execbuf);
fill_ring(fd, &execbuf, flags);
if (flags & SUSPEND)
igt_system_suspend_autoresume();
@ -182,10 +181,7 @@ static void run_test(int fd, unsigned ring, unsigned flags)
igt_waitchildren();
} else
fill_ring(fd, &execbuf);
if (flags & INTERRUPTIBLE)
igt_stop_signal_helper();
fill_ring(fd, &execbuf, flags);
if (flags & HANG)
igt_post_hang_ring(fd, hang);