uint32_t buf[20];
uint32_t *src, dst;
int fd, count;
+ const struct {
+ int level;
+ const char *name;
+ } cache[] = {
+ { 0, "uncached" },
+ { 1, "snoop" },
+ { 2, "display" },
+ { -1 },
+ }, *c;
drmtest_skip_on_simulation();
dst = gem_create(fd, object_size);
src = malloc(object_size);
- gem_set_cacheing(fd, dst, 0);
for (count = 1; count <= 1<<17; count <<= 1) {
struct timeval start, end;
gettimeofday(&start, NULL);
do_gem_read(fd, dst, src, object_size, count);
gettimeofday(&end, NULL);
- printf("Time to uncached pread %d bytes x %6d: %7.3fµs, %s\n",
+ printf("Time to pread %d bytes x %6d: %7.3fµs, %s\n",
object_size, count,
elapsed(&start, &end, count),
bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
fflush(stdout);
}
- gem_set_cacheing(fd, dst, 1);
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- do_gem_read(fd, dst, src, object_size, count);
- gettimeofday(&end, NULL);
- printf("Time to snooped pread %d bytes x %6d: %7.3fµs, %s\n",
- object_size, count,
- elapsed(&start, &end, count),
- bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
- fflush(stdout);
+ for (c = cache; c->level != -1; c++) {
+ if (gem_set_cacheing(fd, dst, c->level))
+ continue;
+
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ do_gem_read(fd, dst, src, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("Time to %s pread %d bytes x %6d: %7.3fµs, %s\n",
+ c->name, object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
}
free(src);
uint32_t buf[20];
uint32_t *src, dst;
int fd, count;
+ const struct {
+ int level;
+ const char *name;
+ } cache[] = {
+ { 0, "uncached" },
+ { 1, "snoop" },
+ { 2, "display" },
+ { -1 },
+ }, *c;
drmtest_skip_on_simulation();
dst = gem_create(fd, object_size);
src = malloc(object_size);
- gem_set_cacheing(fd, dst, 0);
for (count = 1; count <= 1<<17; count <<= 1) {
struct timeval start, end;
gettimeofday(&start, NULL);
do_gem_write(fd, dst, src, object_size, count);
gettimeofday(&end, NULL);
- printf("Time to uncached pwrite %d bytes x %6d: %7.3fµs, %s\n",
+ printf("Time to pwrite %d bytes x %6d: %7.3fµs, %s\n",
object_size, count,
elapsed(&start, &end, count),
bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
fflush(stdout);
}
- gem_set_cacheing(fd, dst, 1);
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- do_gem_write(fd, dst, src, object_size, count);
- gettimeofday(&end, NULL);
- printf("Time to snooped pwrite %d bytes x %6d: %7.3fµs, %s\n",
- object_size, count,
- elapsed(&start, &end, count),
- bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
- fflush(stdout);
+ for (c = cache; c->level != -1; c++) {
+ if (gem_set_cacheing(fd, dst, c->level))
+ continue;
+
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ do_gem_write(fd, dst, src, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("Time to %s pwrite %d bytes x %6d: %7.3fµs, %s\n",
+ c->level, object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
}
free(src);
src = gem_create(fd, object_size);
tmp = malloc(object_size);
- gem_set_cacheing(fd, src, 0);
- gem_set_cacheing(fd, dst, 0);
- if (drmtest_run_subtest("uncached-copy-correctness"))
- test_copy(fd, src, dst, tmp, object_size);
- if (drmtest_run_subtest("uncached-copy-performance")) {
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- copy(fd, src, dst, tmp, object_size, count);
- gettimeofday(&end, NULL);
- printf("Time to uncached copy %d bytes x %6d: %7.3fµs, %s\n",
- object_size, count,
- elapsed(&start, &end, count),
- bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
- fflush(stdout);
+ if (gem_set_cacheing(fd, src, 0) == 0 &&
+ gem_set_cacheing(fd, dst, 0) == 0) {
+ if (drmtest_run_subtest("uncached-copy-correctness"))
+ test_copy(fd, src, dst, tmp, object_size);
+ if (drmtest_run_subtest("uncached-copy-performance")) {
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ copy(fd, src, dst, tmp, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("Time to uncached copy %d bytes x %6d: %7.3fµs, %s\n",
+ object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
}
- }
- if (drmtest_run_subtest("uncached-pwrite-blt-gtt_mmap-correctness"))
- test_as_gtt_mmap(fd, src, dst, object_size);
- if (drmtest_run_subtest("uncached-pwrite-blt-gtt_mmap-performance")) {
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- as_gtt_mmap(fd, src, dst, tmp, object_size, count);
- gettimeofday(&end, NULL);
- printf("** mmap uncached copy %d bytes x %6d: %7.3fµs, %s\n",
- object_size, count,
- elapsed(&start, &end, count),
- bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
- fflush(stdout);
+ if (drmtest_run_subtest("uncached-pwrite-blt-gtt_mmap-correctness"))
+ test_as_gtt_mmap(fd, src, dst, object_size);
+ if (drmtest_run_subtest("uncached-pwrite-blt-gtt_mmap-performance")) {
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ as_gtt_mmap(fd, src, dst, tmp, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("** mmap uncached copy %d bytes x %6d: %7.3fµs, %s\n",
+ object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
}
}
- gem_set_cacheing(fd, src, 1);
- gem_set_cacheing(fd, dst, 1);
- if (drmtest_run_subtest("snooped-copy-correctness"))
- test_copy(fd, src, dst, tmp, object_size);
- if (drmtest_run_subtest("snooped-copy-performance")) {
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- copy(fd, src, dst, tmp, object_size, count);
- gettimeofday(&end, NULL);
- printf("Time to snooped copy %d bytes x %6d: %7.3fµs, %s\n",
- object_size, count,
- elapsed(&start, &end, count),
- bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
- fflush(stdout);
+ if (gem_set_cacheing(fd, src, 1) == 0 &&
+ gem_set_cacheing(fd, dst, 1) == 0) {
+ if (drmtest_run_subtest("snooped-copy-correctness"))
+ test_copy(fd, src, dst, tmp, object_size);
+ if (drmtest_run_subtest("snooped-copy-performance")) {
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ copy(fd, src, dst, tmp, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("Time to snooped copy %d bytes x %6d: %7.3fµs, %s\n",
+ object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
+ }
+
+ if (drmtest_run_subtest("snooped-pwrite-blt-cpu_mmap-correctness"))
+ test_as_cpu_mmap(fd, src, dst, object_size);
+ if (drmtest_run_subtest("snooped-pwrite-blt-cpu_mmap-performance")) {
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ as_cpu_mmap(fd, src, dst, tmp, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("** mmap snooped copy %d bytes x %6d: %7.3fµs, %s\n",
+ object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
}
}
- if (drmtest_run_subtest("snooped-pwrite-blt-cpu_mmap-correctness"))
- test_as_cpu_mmap(fd, src, dst, object_size);
- if (drmtest_run_subtest("snooped-pwrite-blt-cpu_mmap-performance")) {
- for (count = 1; count <= 1<<17; count <<= 1) {
- struct timeval start, end;
-
- gettimeofday(&start, NULL);
- as_cpu_mmap(fd, src, dst, tmp, object_size, count);
- gettimeofday(&end, NULL);
- printf("** mmap snooped copy %d bytes x %6d: %7.3fµs, %s\n",
- object_size, count,
- elapsed(&start, &end, count),
- bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
- fflush(stdout);
+ if (gem_set_cacheing(fd, src, 2) == 0 &&
+ gem_set_cacheing(fd, dst, 2) == 0) {
+ if (drmtest_run_subtest("display-copy-correctness"))
+ test_copy(fd, src, dst, tmp, object_size);
+ if (drmtest_run_subtest("display-copy-performance")) {
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ copy(fd, src, dst, tmp, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("Time to display copy %d bytes x %6d: %7.3fµs, %s\n",
+ object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
+ }
+
+ if (drmtest_run_subtest("display-pwrite-blt-gtt_mmap-correctness"))
+ test_as_gtt_mmap(fd, src, dst, object_size);
+ if (drmtest_run_subtest("display-pwrite-blt-gtt_mmap-performance")) {
+ for (count = 1; count <= 1<<17; count <<= 1) {
+ struct timeval start, end;
+
+ gettimeofday(&start, NULL);
+ as_gtt_mmap(fd, src, dst, tmp, object_size, count);
+ gettimeofday(&end, NULL);
+ printf("** mmap display copy %d bytes x %6d: %7.3fµs, %s\n",
+ object_size, count,
+ elapsed(&start, &end, count),
+ bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
+ fflush(stdout);
+ }
}
}