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Adds unicode bars for quickly visualizing the busy percentages

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It can be a bit easier to digest the percentages with bar graphs than by
scanning continually changing numbers.

Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Robert Bragg 2009-04-17 18:52:23 +01:00 committed by Eric Anholt
parent 2f0c0aa8ae
commit 700e45a522
1 changed files with 45 additions and 5 deletions
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50
tools/intel_gpu_top.c
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@ -52,6 +52,18 @@ int num_top_bits;
uint32_t instdone;
static const char *bars[] = {
" ",
"▏",
"▎",
"▍",
"▌",
"▋",
"▊",
"▉",
"█"
};
static int
top_bits_sort(const void *a, const void *b)
{
@ -178,6 +190,26 @@ print_clock_info(void)
return -1;
}
static void
print_percentage_bar(float percent)
{
int bar_len = 3.6 * percent;
int bar_char_len = bar_len / 8;
int i;
if (bar_len % 8)
bar_char_len++;
for (i = bar_len; i >= 8; i -= 8)
printf("%s", bars[8]);
if (i)
printf("%s", bars[i]);
/* NB: We can't use a field width with utf8 so we manually
* guarantee a field with of 45 chars for any bar. */
printf("%*s\n", (45 - bar_char_len), "");
}
int main(int argc, char **argv)
{
intel_get_mmio();
@ -249,6 +281,7 @@ int main(int argc, char **argv)
0x0};
int total_ring_full = 0;
int ring_idle = 0;
int percent;
for (i = 0; i < SAMPLES_PER_SEC; i++) {
uint32_t ring_head, ring_tail;
@ -284,18 +317,25 @@ int main(int argc, char **argv)
print_clock_info();
printf("ring idle: %3d%% ring space: %d/%d (%d%%)\n",
ring_idle / SAMPLES_TO_PERCENT_RATIO,
total_ring_full / SAMPLES_PER_SEC, ring_size,
percent = ring_idle / SAMPLES_TO_PERCENT_RATIO;
printf("%30s: %3d%%: ", "ring idle", percent);
print_percentage_bar (percent);
printf("%30s: %d/%d (%d%%)\n", "ring space",
total_ring_full / SAMPLES_PER_SEC,
ring_size,
(total_ring_full / SAMPLES_TO_PERCENT_RATIO) / ring_size);
printf("%30s %s\n\n", "task", "percent busy");
for (i = 0; i < num_top_bits; i++) {
if (top_bits_sorted[i]->count < 1)
break;
printf("%30s: %d%%\n",
percent = top_bits_sorted[i]->count / SAMPLES_TO_PERCENT_RATIO;
printf("%30s: %3d%%: ",
top_bits_sorted[i]->name,
top_bits_sorted[i]->count / SAMPLES_TO_PERCENT_RATIO);
percent);
print_percentage_bar (percent);
top_bits_sorted[i]->count = 0;
}