Add a new test which executes dummy workloads on the GPU. Use same
method as with gem_concurrent_{blit,all} not to interfere with
standard command line parsing.
Also adds {render,blt}-forked subtests to gem_ringfill.
Cc: Mika Kuoppala <mika.kuopp...@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
tests/Makefile.sources | 1 +
tests/gem_ringfill.c | 78 +++++++++++++++++++++++++++++++++++++++++------
tests/gem_ringfill_noop.c | 2 ++
3 files changed, 72 insertions(+), 9 deletions(-)
create mode 100644 tests/gem_ringfill_noop.c
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 15d8382..7c2eec7 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -53,6 +53,7 @@ TESTS_progs_M = \
gem_render_copy_redux \
gem_reset_stats \
gem_ringfill \
+ gem_ringfill_noop \
gem_set_tiling_vs_blt \
gem_storedw_batches_loop \
gem_streaming_writes \
diff --git a/tests/gem_ringfill.c b/tests/gem_ringfill.c
index 85b01ea..ac823ba 100644
--- a/tests/gem_ringfill.c
+++ b/tests/gem_ringfill.c
@@ -54,6 +54,8 @@ struct bo {
drm_intel_bo *src, *dst, *tmp;
};
+static bool opt_noop = false;
+
static const int width = 512, height = 512;
static void create_bo(drm_intel_bufmgr *bufmgr,
@@ -75,11 +77,11 @@ static void create_bo(drm_intel_bufmgr *bufmgr,
map[i] = i;
drm_intel_bo_unmap(b->src);
- /* Fill the dst with garbage. */
+ /* Fill the dst with another pattern. */
drm_intel_bo_map(b->dst, true);
map = b->dst->virtual;
for (i = 0; i < width * height; i++)
- map[i] = 0xd0d0d0d0;
+ map[i] = opt_noop ? 0xd0d0d0d0 ^ i : 0xd0d0d0d0;
drm_intel_bo_unmap(b->dst);
}
@@ -91,12 +93,13 @@ static int check_bo(struct bo *b)
drm_intel_bo_map(b->dst, false);
map = b->dst->virtual;
for (i = 0; i < width*height; i++) {
- if (map[i] != i && ++fails <= 9) {
+ uint32_t pattern = opt_noop ? 0xd0d0d0d0 ^ i : i;
+ if (map[i] != pattern && ++fails <= 9) {
int x = i % width;
int y = i / width;
- igt_info("%s: copy #%d at %d,%d failed: read 0x%08x\n",
- b->ring, i, x, y, map[i]);
+ igt_info("%s: copy #%d at %d,%d failed: read 0x%08x
(expected 0x%08x)\n",
+ b->ring, i, x, y, map[i], pattern);
}
}
drm_intel_bo_unmap(b->dst);
@@ -193,6 +196,38 @@ static void blt_copy(struct intel_batchbuffer *batch,
intel_batchbuffer_flush(batch);
}
+static void fill_noop(struct intel_batchbuffer *batch)
+{
+ /* Fill batch with NOOP. */
+ int nr_noop = (BATCH_SZ - BATCH_RESERVED)/4;
+ int i;
+
+ BEGIN_BATCH(nr_noop, 0);
+ for (i = 0; i < nr_noop; ++i)
+ OUT_BATCH(MI_NOOP);
+ ADVANCE_BATCH();
+}
+
+static void blt_noop(struct intel_batchbuffer *batch,
+ drm_intel_context *context,
+ struct igt_buf *src, unsigned src_x, unsigned src_y,
+ unsigned w, unsigned h,
+ struct igt_buf *dst, unsigned dst_x, unsigned dst_y)
+{
+ fill_noop(batch);
+ intel_batchbuffer_flush_on_ring(batch, I915_EXEC_RENDER);
+}
+
+static void render_noop(struct intel_batchbuffer *batch,
+ drm_intel_context *context,
+ struct igt_buf *src, unsigned src_x, unsigned src_y,
+ unsigned w, unsigned h,
+ struct igt_buf *dst, unsigned dst_x, unsigned dst_y)
+{
+ fill_noop(batch);
+ intel_batchbuffer_flush_on_ring(batch, I915_EXEC_BLT);
+}
+
drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
int fd;
@@ -201,6 +236,9 @@ igt_main
{
igt_skip_on_simulation();
+ if (strstr(igt_test_name(), "noop"))
+ opt_noop = true;
+
igt_fixture {
fd = drm_open_any();
@@ -210,7 +248,7 @@ igt_main
}
igt_subtest("blitter")
- check_ring(bufmgr, batch, "blt", blt_copy);
+ check_ring(bufmgr, batch, "blt", opt_noop ? blt_noop :
blt_copy);
/* Strictly only required on architectures with a separate BLT ring,
* but lets stress everybody.
@@ -221,12 +259,12 @@ igt_main
copy = igt_get_render_copyfunc(batch->devid);
igt_require(copy);
- check_ring(bufmgr, batch, "render", copy);
+ check_ring(bufmgr, batch, "render", opt_noop ? render_noop :
copy);
}
igt_fork_signal_helper();
igt_subtest("blitter-interruptible")
- check_ring(bufmgr, batch, "blt", blt_copy);
+ check_ring(bufmgr, batch, "blt", opt_noop ? blt_noop :
blt_copy);
/* Strictly only required on architectures with a separate BLT ring,
* but lets stress everybody.
@@ -237,10 +275,32 @@ igt_main
copy = igt_get_render_copyfunc(batch->devid);
igt_require(copy);
- check_ring(bufmgr, batch, "render", copy);
+ check_ring(bufmgr, batch, "render", opt_noop ? render_noop :
copy);
}
igt_stop_signal_helper();
+ igt_subtest("blitter-forked") {
+ igt_fork(child, 1) {
+ check_ring(bufmgr, batch, "blt", opt_noop ? blt_noop :
blt_copy);
+ }
+ igt_waitchildren();
+ }
+
+ /* Strictly only required on architectures with a separate BLT ring,
+ * but lets stress everybody.
+ */
+ igt_subtest("render-forked") {
+ igt_render_copyfunc_t copy;
+
+ copy = igt_get_render_copyfunc(batch->devid);
+ igt_require(copy);
+
+ igt_fork(child, 1) {
+ check_ring(bufmgr, batch, "render", opt_noop ?
render_noop : copy);
+ }
+ igt_waitchildren();
+ }
+
igt_fixture {
intel_batchbuffer_free(batch);
drm_intel_bufmgr_destroy(bufmgr);
diff --git a/tests/gem_ringfill_noop.c b/tests/gem_ringfill_noop.c
new file mode 100644
index 0000000..1a4356a
--- /dev/null
+++ b/tests/gem_ringfill_noop.c
@@ -0,0 +1,2 @@
+/* See gem_concurrent_blit.c for explanation. */
+#include "gem_ringfill.c"
--
1.8.5.5
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