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tests/gem_ctx_exec: Add reset-pin-leak subtest

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Add a subtest to make sure the kernel doesn't leak the vma
pin_count for the last context on reset.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2014-06-18 21:14:11 +03:00
parent fedb9b6342
commit 7ef537231a
1 changed files with 29 additions and 1 deletions
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30
tests/gem_ctx_exec.c
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@ -46,6 +46,7 @@
#include "ioctl_wrappers.h" #include "ioctl_wrappers.h"
#include "drmtest.h" #include "drmtest.h"
#include "igt_aux.h" #include "igt_aux.h"
#include "igt_debugfs.h"
struct local_drm_i915_gem_context_destroy { struct local_drm_i915_gem_context_destroy {
__u32 ctx_id; __u32 ctx_id;
@ -92,7 +93,6 @@ static int exec(int fd, uint32_t handle, int ring, int ctx_id)
ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2,
&execbuf); &execbuf);
gem_sync(fd, handle);
return ret; return ret;
} }
@ -188,15 +188,43 @@ igt_main
igt_subtest("basic") { igt_subtest("basic") {
ctx_id = gem_context_create(fd); ctx_id = gem_context_create(fd);
igt_assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) == 0); igt_assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) == 0);
gem_sync(fd, handle);
context_destroy(fd, ctx_id); context_destroy(fd, ctx_id);
ctx_id = gem_context_create(fd); ctx_id = gem_context_create(fd);
igt_assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) == 0); igt_assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) == 0);
gem_sync(fd, handle);
context_destroy(fd, ctx_id); context_destroy(fd, ctx_id);
igt_assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) < 0); igt_assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) < 0);
gem_sync(fd, handle);
} }
igt_subtest("eviction") igt_subtest("eviction")
big_exec(fd, handle, I915_EXEC_RENDER); big_exec(fd, handle, I915_EXEC_RENDER);
igt_subtest("reset-pin-leak") {
int i;
/*
* Use an explicit context to isolate the test from
* any major code changes related to the per-file
* default context (eg. if they would be eliminated).
*/
ctx_id = gem_context_create(fd);
/*
* Iterate enough times that the kernel will
* become unhappy if the ggtt pin count for
* the last context is leaked at every reset.
*/
for (i = 0; i < 20; i++) {
igt_set_stop_rings(STOP_RING_DEFAULTS);
igt_assert(exec(fd, handle, I915_EXEC_RENDER, 0) == 0);
igt_assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) == 0);
gem_sync(fd, handle);
}
context_destroy(fd, ctx_id);
}
} }