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bench: zrle: Measure CPU time

tight-png
Andri Yngvason 2019-08-31 16:11:33 +00:00
parent f7ed6b6fce
commit efafe882f8
1 changed files with 15 additions and 0 deletions
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15
bench/zrle-bench.c
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@ -7,6 +7,15 @@
#include <stdlib.h> #include <stdlib.h>
#include <libdrm/drm_fourcc.h> #include <libdrm/drm_fourcc.h>
#include <pixman.h> #include <pixman.h>
#include <time.h>
#include <inttypes.h>
uint64_t gettime_us(clockid_t clock)
{
struct timespec ts = { 0 };
clock_gettime(clock, &ts);
return ts.tv_sec * 1000000ULL + ts.tv_nsec / 1000ULL;
}
int read_png_file(struct nvnc_fb* fb, const char *filename); int read_png_file(struct nvnc_fb* fb, const char *filename);
@ -30,9 +39,15 @@ int run_benchmark(const char *image)
struct vec frame; struct vec frame;
vec_init(&frame, fb.width * fb.height * 3 / 2); vec_init(&frame, fb.width * fb.height * 3 / 2);
uint64_t start_time = gettime_us(CLOCK_PROCESS_CPUTIME_ID);
rc = zrle_encode_frame(&frame, &pixfmt, fb.addr, &pixfmt, rc = zrle_encode_frame(&frame, &pixfmt, fb.addr, &pixfmt,
fb.width, fb.height, &region); fb.width, fb.height, &region);
uint64_t end_time = gettime_us(CLOCK_PROCESS_CPUTIME_ID);
printf("Encoding %s took %"PRIu64" micro seconds\n", image,
end_time - start_time);
if (rc < 0) if (rc < 0)
goto failure; goto failure;