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intel_perf_counters: Abstract out Ironlake-specific code.

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We want to support this tool on more platforms.  This lays the
groundwork for making that possible.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Kenneth Graunke 2013-03-26 22:06:38 -07:00 committed by Daniel Vetter
parent 85667f4f7d
commit 0811556747
1 changed files with 24 additions and 12 deletions
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36
tools/intel_perf_counters.c
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@ -37,9 +37,9 @@
#include "intel_bufmgr.h"
#include "intel_batchbuffer.h"
#define COUNTER_COUNT 29
#define GEN5_COUNTER_COUNT 29
const char *counter_name[COUNTER_COUNT] = {
const char *gen5_counter_names[GEN5_COUNTER_COUNT] = {
"cycles the CS unit is starved",
"cycles the CS unit is stalled",
"cycles the VF unit is starved",
@ -72,13 +72,13 @@ const char *counter_name[COUNTER_COUNT] = {
};
int have_totals = 0;
uint32_t totals[COUNTER_COUNT];
uint32_t last_counter[COUNTER_COUNT];
uint32_t *totals;
uint32_t *last_counter;
static drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
/* DW0 */
#define MI_REPORT_PERF_COUNT ((0x26 << 23) | (3 - 2))
#define GEN5_MI_REPORT_PERF_COUNT ((0x26 << 23) | (3 - 2))
#define MI_COUNTER_SET_0 (0 << 6)
#define MI_COUNTER_SET_1 (1 << 6)
/* DW1 */
@ -86,7 +86,7 @@ struct intel_batchbuffer *batch;
/* DW2: report ID */
static void
get_counters(void)
gen5_get_counters(void)
{
int i;
drm_intel_bo *stats_bo;
@ -95,13 +95,13 @@ get_counters(void)
stats_bo = drm_intel_bo_alloc(bufmgr, "stats", 4096, 4096);
BEGIN_BATCH(6);
OUT_BATCH(MI_REPORT_PERF_COUNT | MI_COUNTER_SET_0);
OUT_BATCH(GEN5_MI_REPORT_PERF_COUNT | MI_COUNTER_SET_0);
OUT_RELOC(stats_bo,
I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
0);
OUT_BATCH(0);
OUT_BATCH(MI_REPORT_PERF_COUNT | MI_COUNTER_SET_1);
OUT_BATCH(GEN5_MI_REPORT_PERF_COUNT | MI_COUNTER_SET_1);
OUT_RELOC(stats_bo,
I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
64);
@ -115,7 +115,7 @@ get_counters(void)
stats_result = stats_bo->virtual;
/* skip REPORT_ID, TIMESTAMP */
stats_result += 3;
for (i = 0 ; i < COUNTER_COUNT; i++) {
for (i = 0 ; i < GEN5_COUNTER_COUNT; i++) {
totals[i] += stats_result[i] - last_counter[i];
last_counter[i] = stats_result[i];
}
@ -131,6 +131,9 @@ int
main(int argc, char **argv)
{
uint32_t devid;
int counter_count;
const char **counter_name;
void (*get_counters)(void);
int i;
char clear_screen[] = {0x1b, '[', 'H',
0x1b, '[', 'J',
@ -145,10 +148,16 @@ main(int argc, char **argv)
drm_intel_bufmgr_gem_enable_reuse(bufmgr);
batch = intel_batchbuffer_alloc(bufmgr, devid);
if (!IS_GEN5(devid)) {
printf("This tool is only for Ironlake.\n");
if (IS_GEN5(devid)) {
counter_name = gen5_counter_names;
counter_count = GEN5_COUNTER_COUNT;
get_counters = gen5_get_counters;
} else {
printf("This tool is not yet supported on your platform.\n");
abort();
}
totals = calloc(counter_count, sizeof(uint32_t));
last_counter = calloc(counter_count, sizeof(uint32_t));
for (;;) {
for (l = 0; l < STATS_CHECK_FREQUENCY; l++) {
@ -156,7 +165,7 @@ main(int argc, char **argv)
if (l % (STATS_CHECK_FREQUENCY / STATS_REPORT_FREQUENCY) == 0) {
if (have_totals) {
for (i = 0; i < COUNTER_COUNT; i++) {
for (i = 0; i < counter_count; i++) {
printf("%s: %u\n", counter_name[i],
totals[i]);
totals[i] = 0;
@ -171,5 +180,8 @@ main(int argc, char **argv)
}
}
free(totals);
free(last_counter);
return 0;
}