We want to support this tool on more platforms. This lays the
groundwork for making that possible.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
tools/intel_perf_counters.c | 36 ++++++++++++++++++++++++------------
1 file changed, 24 insertions(+), 12 deletions(-)
diff --git a/tools/intel_perf_counters.c b/tools/intel_perf_counters.c
index 53d2ad7..fd268b1 100644
--- a/tools/intel_perf_counters.c
+++ b/tools/intel_perf_counters.c
@@ -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;
}
--
1.8.2
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