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intel_gpu_top: Add ring information.

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This commit is contained in:
Eric Anholt 2009-04-27 09:39:05 -07:00
parent 302d15f2e7
commit 7583e811a5
1 changed files with 25 additions and 1 deletions
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26
tools/intel_gpu_top.c
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@ -86,6 +86,7 @@ add_instdone_bit(uint32_t bit, char *name)
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
intel_get_mmio(); intel_get_mmio();
uint32_t ring_size;
if (IS_965(devid)) { if (IS_965(devid)) {
add_instdone_bit(I965_ROW_0_EU_0_DONE, "Row 0, EU 0"); add_instdone_bit(I965_ROW_0_EU_0_DONE, "Row 0, EU 0");
@ -144,13 +145,20 @@ int main(int argc, char **argv)
add_instdone_bit(MAP_L2_IDLE, "Map L2"); add_instdone_bit(MAP_L2_IDLE, "Map L2");
} }
ring_size = ((INREG(LP_RING + RING_LEN) & RING_NR_PAGES) >> 12) * 4096;
for (;;) { for (;;) {
int i, j; int i, j;
char clear_screen[] = {0x1b, '[', 'H', char clear_screen[] = {0x1b, '[', 'H',
0x1b, '[', 'J', 0x1b, '[', 'J',
0x0}; 0x0};
int total_ring_full = 0;
int ring_idle = 0;
for (i = 0; i < 100; i++) { for (i = 0; i < 100; i++) {
uint32_t ring_head, ring_tail;
int ring_full;
if (IS_965(devid)) if (IS_965(devid))
instdone = INREG(INST_DONE_I965); instdone = INREG(INST_DONE_I965);
else else
@ -159,6 +167,18 @@ int main(int argc, char **argv)
for (j = 0; j < num_top_bits; j++) for (j = 0; j < num_top_bits; j++)
top_bits[j].update(&top_bits[j]); top_bits[j].update(&top_bits[j]);
ring_head = INREG(LP_RING + RING_HEAD) & HEAD_ADDR;
ring_tail = INREG(LP_RING + RING_TAIL) & TAIL_ADDR;
if (ring_tail == ring_head)
ring_idle++;
ring_full = ring_tail - ring_head;
if (ring_full < 0)
ring_full += ring_size;
total_ring_full += ring_full;
usleep(10000); usleep(10000);
} }
@ -166,12 +186,16 @@ int main(int argc, char **argv)
top_bits_sort); top_bits_sort);
printf(clear_screen); printf(clear_screen);
printf("ring idle: %3d%% ring space: %d/%d (%d%%)\n",
ring_idle,
total_ring_full / 100, ring_size,
total_ring_full / ring_size);
printf("%30s %s\n\n", "task", "percent busy"); printf("%30s %s\n\n", "task", "percent busy");
for (i = 0; i < num_top_bits; i++) { for (i = 0; i < num_top_bits; i++) {
if (top_bits_sorted[i]->count == 0) if (top_bits_sorted[i]->count == 0)
break; break;
printf("%30s: %d\n", printf("%30s: %d%%\n",
top_bits_sorted[i]->name, top_bits_sorted[i]->name,
top_bits_sorted[i]->count); top_bits_sorted[i]->count);