diff options
Diffstat (limited to 'benchmarks/gem_exec_nop.c')
| -rw-r--r-- | benchmarks/gem_exec_nop.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/benchmarks/gem_exec_nop.c b/benchmarks/gem_exec_nop.c index 2c39b9c3..07162a99 100644 --- a/benchmarks/gem_exec_nop.c +++ b/benchmarks/gem_exec_nop.c @@ -47,6 +47,11 @@ #define LOCAL_I915_EXEC_NO_RELOC (1<<11) #define LOCAL_I915_EXEC_HANDLE_LUT (1<<12) +#define LOCAL_I915_EXEC_BSD_SHIFT (13) +#define LOCAL_I915_EXEC_BSD_MASK (3 << LOCAL_I915_EXEC_BSD_SHIFT) + +#define ENGINE_FLAGS (I915_EXEC_RING_MASK | LOCAL_I915_EXEC_BSD_MASK) + #define SYNC 0x1 static double elapsed(const struct timespec *start, @@ -67,6 +72,8 @@ static int loop(unsigned ring, int reps, unsigned flags) { struct drm_i915_gem_execbuffer2 execbuf; struct drm_i915_gem_exec_object2 gem_exec; + unsigned engines[16]; + unsigned nengine; int fd; fd = drm_open_driver(DRIVER_INTEL); @@ -77,15 +84,26 @@ static int loop(unsigned ring, int reps, unsigned flags) memset(&execbuf, 0, sizeof(execbuf)); execbuf.buffers_ptr = (uintptr_t)&gem_exec; execbuf.buffer_count = 1; - execbuf.flags = ring; execbuf.flags |= LOCAL_I915_EXEC_HANDLE_LUT; execbuf.flags |= LOCAL_I915_EXEC_NO_RELOC; if (__gem_execbuf(fd, &execbuf)) { - execbuf.flags = ring; + execbuf.flags = 0; if (__gem_execbuf(fd, &execbuf)) return 77; } + nengine = 0; + if (ring == -1) { + for (ring = 1; ring < 16; ring++) { + execbuf.flags &= ~ENGINE_FLAGS; + execbuf.flags |= ring; + if (__gem_execbuf(fd, &execbuf) == 0) + engines[nengine++] = ring; + } + } else + engines[nengine++] = ring; + + while (reps--) { struct timespec start, end; unsigned count = 0; @@ -95,10 +113,14 @@ static int loop(unsigned ring, int reps, unsigned flags) clock_gettime(CLOCK_MONOTONIC, &start); do { - do_ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf); - count++; - if (flags & SYNC) - gem_sync(fd, gem_exec.handle); + for (int inner = 0; inner < 1024; inner++) { + execbuf.flags &= ~ENGINE_FLAGS; + execbuf.flags |= engines[count++ % nengine]; + gem_execbuf(fd, &execbuf); + if (flags & SYNC) + gem_sync(fd, gem_exec.handle); + } + clock_gettime(CLOCK_MONOTONIC, &end); } while (elapsed(&start, &end) < 2.); @@ -128,6 +150,8 @@ int main(int argc, char **argv) ring = I915_EXEC_BLT; else if (strcmp(optarg, "vecs") == 0) ring = I915_EXEC_VEBOX; + else if (strcmp(optarg, "all") == 0) + ring = -1; else ring = atoi(optarg); break; |