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igt/gem_exec_whisper: Exercise rings individually

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Not as stressful as testing inter-ring synchronisation, but it does
allow inspecting the simpler testcases if need be.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-14 13:41:15 +00:00
parent 5459374120
commit 2fdf5ac917
1 changed files with 28 additions and 8 deletions
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36
tests/gem_exec_whisper.c
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@ -102,7 +102,7 @@ static bool ignore_engine(int gen, unsigned engine)
#define CONTEXTS 0x1
#define FDS 0x2
static void whisper(int fd, unsigned flags)
static void whisper(int fd, unsigned engine, unsigned flags)
{
const int gen = intel_gen(intel_get_drm_devid(fd));
struct drm_i915_gem_exec_object2 batches[1024];
@ -115,13 +115,20 @@ static void whisper(int fd, unsigned flags)
uint32_t contexts[64];
unsigned engines[16];
unsigned nengine;
unsigned engine;
uint32_t batch[16];
int i, n, pass, loc;
nengine = 0;
for_each_engine(fd, engine)
if (!ignore_engine(gen, engine)) engines[nengine++] = engine;
if (engine == -1) {
for_each_engine(fd, engine) {
if (!ignore_engine(gen, engine))
engines[nengine++] = engine;
}
} else {
igt_require(gem_has_ring(fd, engine));
igt_require(!ignore_engine(gen, engine));
engines[nengine++] = engine;
}
igt_require(nengine);
memset(&scratch, 0, sizeof(scratch));
@ -304,7 +311,7 @@ static void whisper(int fd, unsigned flags)
gem_context_destroy(fd, contexts[n]);
}
for (n = 0; n < 1024; n++)
gem_create(fd, batches[n].handle);
gem_close(fd, batches[n].handle);
}
igt_main
@ -315,13 +322,26 @@ igt_main
fd = drm_open_driver_master(DRIVER_INTEL);
igt_subtest("basic")
whisper(fd, 0);
whisper(fd, -1, 0);
igt_subtest("contexts")
whisper(fd, CONTEXTS);
whisper(fd, -1, CONTEXTS);
igt_subtest("fds")
whisper(fd, FDS);
whisper(fd, -1, FDS);
for (const struct intel_execution_engine *e = intel_execution_engines;
e->name; e++) {
if (e->exec_id == 0)
continue;
igt_subtest_f("normal-%s", e->name)
whisper(fd, e->exec_id | e->flags, 0);
igt_subtest_f("contexts-%s", e->name)
whisper(fd, e->exec_id | e->flags, CONTEXTS);
igt_subtest_f("fds-%s", e->name)
whisper(fd, e->exec_id | e->flags, FDS);
}
igt_fixture
close(fd);