[igt-dev] [PATCH i-g-t 1/2] i915/gem_mmap_gtt: added description for test case
Kamil Konieczny
kamil.konieczny at linux.intel.com
Tue Jun 28 11:58:40 UTC 2022
On 2022-06-28 at 13:30:53 +0530, priyanka.dandamudi at intel.com wrote:
> From: Priyanka Dandamudi <priyanka.dandamudi at intel.com>
>
> Added global description and subtest descriptions.
>
> v2:Minor corrections.
>
> v3: Added descriptions to copy subtests.
>
> Cc: Kamil Konieczny <kamil.konieczny at linux.intel.com>
> Signed-off-by: Priyanka Dandamudi <priyanka.dandamudi at intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>
> ---
> tests/i915/gem_mmap_gtt.c | 81 +++++++++++++++++++++++++++++++++++----
> 1 file changed, 73 insertions(+), 8 deletions(-)
>
> diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c
> index 6db82229..e39b9047 100644
> --- a/tests/i915/gem_mmap_gtt.c
> +++ b/tests/i915/gem_mmap_gtt.c
> @@ -54,6 +54,8 @@
>
> #define abs(x) ((x) >= 0 ? (x) : -(x))
>
> +IGT_TEST_DESCRIPTION("Ensure that all operations around MMAP_GTT ioctl works.");
> +
> static int OBJECT_SIZE = 16*1024*1024;
>
> static void
> @@ -1272,6 +1274,7 @@ igt_main
> gem_require_mappable_ggtt(fd);
> }
>
> + igt_describe("Verify mapping to invalid gem objects fails.");
> igt_subtest("bad-object") {
> uint32_t real_handle = gem_create(fd, 4096);
> uint32_t handles[20];
> @@ -1293,77 +1296,126 @@ igt_main
> gem_close(fd, real_handle);
> }
>
> + igt_describe("Basic checks of GEM_MMAP_GTT ioctl.");
> igt_subtest("basic")
> test_access(fd);
> + igt_describe("Test mmaping less than the full object.");
> igt_subtest("basic-short")
> test_short(fd);
> + igt_describe("Test copy between two GTT mmappings.");
> igt_subtest("basic-copy")
> test_copy(fd);
> + igt_describe("Test to read content from GTT mmapped object.");
> igt_subtest("basic-read")
> test_read(fd);
> + igt_describe("Test to write content to GTT mmapped object.");
> igt_subtest("basic-write")
> test_write(fd);
> + igt_describe("Test creates a prefault object into GTT and "
> + "writes into it from another GTT mmapped.");
> igt_subtest("basic-write-gtt")
> test_write_gtt(fd);
> + igt_describe("Inspect a GTT mmap using ptrace().");
> igt_subtest("ptrace")
> test_ptrace(fd);
> + igt_describe("Check whether a write through the GTT is immediately visible to the CPU.");
> igt_subtest("coherency")
> test_coherency(fd);
> + igt_describe("Check the userspace clflushing of the GTT mmap.");
> igt_subtest("clflush")
> test_clflush(fd);
> + igt_describe("Check read/writes across a GPU reset.");
> igt_subtest("hang")
> test_hang(fd);
> + igt_describe("Exercise the GTT mmap revocation for a reset on a busy object.");
> igt_subtest("hang-busy")
> test_hang_busy(fd);
> + igt_describe("Mix a busy hang with GTT and userptr.");
> igt_subtest("hang-user")
> test_hang_user(fd);
> + igt_describe("Check basic read->write order of a GTT mmapped bo.");
> igt_subtest("basic-read-write")
> test_read_write(fd, READ_BEFORE_WRITE);
> + igt_describe("Check basic write->read order of a GTT mmapped bo.");
> igt_subtest("basic-write-read")
> test_read_write(fd, READ_AFTER_WRITE);
> + igt_describe("Check distinct read->write order of a GTT mmapped bo.");
> igt_subtest("basic-read-write-distinct")
> test_read_write2(fd, READ_BEFORE_WRITE);
> + igt_describe("Check distinct write->read order of a GTT mmapped bo.");
> igt_subtest("basic-write-read-distinct")
> test_read_write2(fd, READ_AFTER_WRITE);
> + igt_describe("Excercise concurrent pagefaulting of a GTT mmaped bo.");
> igt_subtest("fault-concurrent")
> test_fault_concurrent(fd, I915_TILING_NONE);
> + igt_describe("Excercise concurrent pagefaulting of a X-tiled GTT mmaped bo.");
> igt_subtest("fault-concurrent-X")
> test_fault_concurrent(fd, I915_TILING_X);
> + igt_describe("Excercise concurrent pagefaulting of a Y-tiled GTT mmaped bo.");
> igt_subtest("fault-concurrent-Y")
> test_fault_concurrent(fd, I915_TILING_Y);
> + igt_describe("Check coherency between GTT and CPU mmappings with LLC.");
> igt_subtest("basic-write-cpu-read-gtt")
> test_write_cpu_read_gtt(fd);
> + igt_describe("Check the performance of WC writes with WC reads of GTT "
> + "and WC writes of GTT with WB writes of CPU.");
> igt_subtest("basic-wc")
> test_wc(fd);
> + igt_describe("Test mmap_offset lifetime, closing the object on"
> + " another file should not affect the local mmap_offset.");
> igt_subtest("isolation")
> test_isolation(fd);
> + igt_describe("Test MMAP_GTT extension validity.");
> igt_subtest("zero-extend")
> test_zero_extend(fd);
> + igt_describe("Test to check that a few threads opening and closing handles"
> + " cause explosion in other threads in the process of mmaping that handle.");
> igt_subtest("close-race")
> test_close_race(fd);
> + igt_describe("Test to check that a few threads opening and closing flink handles"
> + " cause explosion in other threads in the process of mmaping that handle.");
> igt_subtest("flink-race")
> test_flink_race(fd);
> + igt_describe("Check that the initial pagefault is non-blocking.");
> igt_subtest("pf-nonblock")
> test_pf_nonblock(fd);
>
> + igt_describe("Check mmap access to a small buffer object by CPU directly"
> + " and through GTT in sequence.");
> igt_subtest("basic-small-bo")
> test_huge_bo(fd, -1, I915_TILING_NONE);
> + igt_describe("Check mmap access to a small X-tiled buffer object by CPU "
> + "directly and through GTT in sequence.");
> igt_subtest("basic-small-bo-tiledX")
> test_huge_bo(fd, -1, I915_TILING_X);
> + igt_describe("Check mmap access to a small Y-tiled buffer object by CPU "
> + "directly and through GTT in sequence.");
> igt_subtest("basic-small-bo-tiledY")
> test_huge_bo(fd, -1, I915_TILING_Y);
>
> + igt_describe("Check mmap access to a big buffer object by CPU directly "
> + "and through GTT in sequence.");
> igt_subtest("big-bo")
> test_huge_bo(fd, 0, I915_TILING_NONE);
> + igt_describe("Check mmap access to a big X-tiled buffer object by CPU "
> + "directly and through GTT in sequence.");
> igt_subtest("big-bo-tiledX")
> test_huge_bo(fd, 0, I915_TILING_X);
> + igt_describe("Check mmap access to a big Y-tiled buffer object by CPU "
> + "directly and through GTT in sequence.");
> igt_subtest("big-bo-tiledY")
> test_huge_bo(fd, 0, I915_TILING_Y);
>
> + igt_describe("Check mmap access to a huge buffer object by CPU directly "
> + "and through GTT in sequence.");
> igt_subtest("huge-bo")
> test_huge_bo(fd, 1, I915_TILING_NONE);
> + igt_describe("Check mmap access to a huge X-tiled buffer object by CPU "
> + "directly and through GTT in sequence.");
> igt_subtest("huge-bo-tiledX")
> test_huge_bo(fd, 1, I915_TILING_X);
> + igt_describe("Check mmap access to a huge Y-tiled buffer object by CPU "
> + "directly and through GTT in sequence.");
> igt_subtest("huge-bo-tiledY")
> test_huge_bo(fd, 1, I915_TILING_Y);
>
> @@ -1371,27 +1423,33 @@ igt_main
> const struct copy_size {
> const char *prefix;
> int size;
> + const char *description;
> } copy_sizes[] = {
> - { "basic-small", -2 },
> - { "medium", -1 },
> - { "big", 0 },
> - { "huge", 1 },
> - { "swap", 2 },
> + { "basic-small", -2, "small bo's." },
> + { "medium", -1, "medium bo's." },
> + { "big", 0, "big bo's." },
> + { "huge", 1, "huge bo's." },
> + { "swap", 2, "huge bo's larger than physical memory"
> + " and resulting in thrashing of swap space." },
> { }
> };
> const struct copy_mode {
> const char *suffix;
> int tiling_x, tiling_y;
> + const char *description;
> } copy_modes[] = {
> - { "", I915_TILING_NONE, I915_TILING_NONE},
> - { "-XY", I915_TILING_X, I915_TILING_Y},
> - { "-odd", -I915_TILING_X, -I915_TILING_Y},
> + { "", I915_TILING_NONE, I915_TILING_NONE, "normal"},
> + { "-XY", I915_TILING_X, I915_TILING_Y, "tiled"},
> + { "-odd", -I915_TILING_X, -I915_TILING_Y, "odd tiled"},
> {}
> };
> const int ncpus = sysconf(_SC_NPROCESSORS_ONLN);
>
> for (const struct copy_size *s = copy_sizes; s->prefix; s++)
> for (const struct copy_mode *m = copy_modes; m->suffix; m++) {
> + igt_describe_f("Check page by page copying between two GTT"
> + " mmapped %s-%s", m->description,
> + s->description);
> igt_subtest_f("%s-copy%s", s->prefix, m->suffix)
> test_huge_copy(fd,
> s->size,
> @@ -1399,6 +1457,10 @@ igt_main
> m->tiling_y,
> 1);
>
> + igt_describe_f("Add forked contention with lighter variant"
> + " (single cpu) and check page by page copying"
> + " between two GTT mmapped %s-%s",
> + m->description, s->description);
> igt_subtest_f("cpuset-%s-copy%s", s->prefix, m->suffix) {
> cpu_set_t cpu, old;
>
> @@ -1416,6 +1478,9 @@ igt_main
> igt_assert(sched_setaffinity(0, sizeof(old), &old) == 0);
> }
>
> + igt_describe_f("Add forked contention and check page by page"
> + " copying between two GTT mmapped %s-%s",
> + m->description, s->description);
> igt_subtest_f("forked-%s-copy%s", s->prefix, m->suffix)
> test_huge_copy(fd,
> s->size,
> --
> 2.25.1
>
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