diff options
| -rw-r--r-- | tests/gem_exec_flush.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/gem_exec_flush.c b/tests/gem_exec_flush.c index c16638b8..c81a9773 100644 --- a/tests/gem_exec_flush.c +++ b/tests/gem_exec_flush.c @@ -24,6 +24,7 @@ #include <time.h> #include "igt.h" +#include "igt_x86.h" IGT_TEST_DESCRIPTION("Basic check of flushing after batches"); @@ -37,6 +38,43 @@ IGT_TEST_DESCRIPTION("Basic check of flushing after batches"); #define INTERRUPTIBLE 64 #define CMDPARSER 128 #define BASIC 256 +#define MOVNT 512 + +#if defined(__x86_64__) +#include <smmintrin.h> +__attribute__((noinline)) +__attribute__((target("sse4.1"))) +static uint32_t movnt(uint32_t *map, int i) +{ + __m128i tmp; + + tmp = _mm_stream_load_si128((__m128i *)map + i/4); + switch (i%4) { /* gcc! */ + default: + case 0: + return _mm_extract_epi32(tmp, 0); + case 1: + return _mm_extract_epi32(tmp, 1); + case 2: + return _mm_extract_epi32(tmp, 2); + case 3: + return _mm_extract_epi32(tmp, 3); + } +} +static inline unsigned x86_64_features(void) +{ + return igt_x86_features(); +} +#else +static inline unsigned x86_64_features(void) +{ + return 0; +} +static uint32_t movnt(uint32_t *map, int i) +{ + igt_assert(!"reached"); +} +#endif static void run(int fd, unsigned ring, int nchild, int timeout, unsigned flags) @@ -248,6 +286,20 @@ overwrite: i*sizeof(uint32_t), &val, sizeof(val)); } + } else if (flags & MOVNT) { + uint32_t x; + + igt_while_interruptible(flags & INTERRUPTIBLE) + gem_sync(fd, obj[0].handle); + + x = movnt(map, i); + if (xor) + igt_assert_eq_u32(x, i ^ 0xffffffff); + else + igt_assert_eq_u32(x, i); + + if (flags & WRITE) + map[i] = 0xdeadbeef; } else { igt_while_interruptible(flags & INTERRUPTIBLE) gem_sync(fd, obj[0].handle); @@ -508,6 +560,7 @@ igt_main { "set", BASIC | SET_DOMAIN | WRITE }, { NULL } }; + unsigned cpu = x86_64_features(); int gen = -1; int fd = -1; @@ -520,6 +573,13 @@ igt_main gen = intel_gen(intel_get_drm_devid(fd)); igt_info("Has LLC? %s\n", yesno(gem_has_llc(fd))); + if (cpu) { + char str[1024]; + + igt_info("CPU features: %s\n", + igt_x86_features_to_string(cpu, str)); + } + igt_fork_hang_detector(fd); } @@ -590,6 +650,22 @@ igt_main e->name) run(fd, ring, ncpus, timeout, COHERENT | WC | m->flags | INTERRUPTIBLE); + + igt_subtest_f("stream-%s-%s", + m->name, + e->name) { + igt_require(cpu & SSE4_1); + run(fd, ring, ncpus, timeout, + MOVNT | COHERENT | WC | m->flags); + } + + igt_subtest_f("stream-%s-%s-interruptible", + m->name, + e->name) { + igt_require(cpu & SSE4_1); + run(fd, ring, ncpus, timeout, + MOVNT | COHERENT | WC | m->flags | INTERRUPTIBLE); + } } } |