1 #include <stdio.h>
2 #include <lib/pan_device.h>
3 #include "pan_perf.h"
4
main(void)5 int main(void) {
6 int fd = drmOpenWithType("panfrost", NULL, DRM_NODE_RENDER);
7
8 if (fd < 0) {
9 fprintf(stderr, "No panfrost device\n");
10 exit(1);
11 }
12
13 void *ctx = ralloc_context(NULL);
14 struct panfrost_perf *perf = rzalloc(ctx, struct panfrost_perf);
15
16 struct panfrost_device dev = {};
17 panfrost_open_device(ctx, fd, &dev);
18
19 panfrost_perf_init(perf, &dev);
20 int ret = panfrost_perf_enable(perf);
21
22 if (ret < 0) {
23 fprintf(stderr, "failed to enable counters (%d)\n", ret);
24 fprintf(stderr, "try `# echo Y > /sys/module/panfrost/parameters/unstable_ioctls`\n");
25
26 exit(1);
27 }
28
29 sleep(1);
30
31 panfrost_perf_dump(perf);
32
33 for (unsigned i = 0; i < perf->cfg->n_categories; ++i) {
34 const struct panfrost_perf_category *cat = &perf->cfg->categories[i];
35 printf("%s\n", cat->name);
36
37 for (unsigned j = 0; j < cat->n_counters; ++j) {
38 const struct panfrost_perf_counter *ctr = &cat->counters[j];
39 uint32_t val = panfrost_perf_counter_read(ctr, perf);
40 printf("%s (%s): %u\n", ctr->name, ctr->symbol_name, val);
41 }
42
43 printf("\n");
44 }
45
46 if (panfrost_perf_disable(perf) < 0) {
47 fprintf(stderr, "failed to disable counters\n");
48 exit(1);
49 }
50
51 panfrost_close_device(&dev);
52 }
53