diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-03-01 15:06:43 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-03-01 15:07:29 +0000 |
| commit | f3751d53bda785810acf85692e809627360252bf (patch) | |
| tree | eb54b61aa1a98d1633434fedb2e877c63e93f477 /benchmarks/gem_blt.c | |
| parent | b59bcb811a402c716302f61ca8d4d9af6a967807 (diff) | |
benchmarks/gem_blt: Measure the throughput of synchronous copies
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'benchmarks/gem_blt.c')
| -rw-r--r-- | benchmarks/gem_blt.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/benchmarks/gem_blt.c b/benchmarks/gem_blt.c index 0d1c54d4..cfd3e124 100644 --- a/benchmarks/gem_blt.c +++ b/benchmarks/gem_blt.c @@ -178,7 +178,9 @@ static int gem_linear_blt(int fd, return (b+2 - batch) * sizeof(uint32_t); } -static int run(int object, int batch, int time, int reps) +#define SYNC 0x1 + +static int run(int object, int batch, int time, int reps, unsigned flags) { struct drm_i915_gem_execbuffer2 execbuf; struct drm_i915_gem_exec_object2 exec[3]; @@ -257,6 +259,10 @@ static int run(int object, int batch, int time, int reps) /* Guess how many loops we need for 0.1s */ count = baseline((uint64_t)object * batch, 100); + if (flags & SYNC) { + time *= count / 2; + count = 1; + } while (reps--) { double min = HUGE_VAL; @@ -289,9 +295,10 @@ int main(int argc, char **argv) int reps = 13; int time = 2000; int batch = 1; + unsigned flags = 0; int c; - while ((c = getopt (argc, argv, "s:b:r:t:")) != -1) { + while ((c = getopt (argc, argv, "Ss:b:r:t:")) != -1) { switch (c) { case 's': size = atoi(optarg); @@ -299,6 +306,10 @@ int main(int argc, char **argv) size = 4096; break; + case 'S': + flags |= SYNC; + break; + case 't': time = atoi(optarg); if (time < 1) @@ -322,5 +333,5 @@ int main(int argc, char **argv) } } - return run(size, batch, time, reps); + return run(size, batch, time, reps, flags); } |