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top: Avoid FPE by removing meaningless metric

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This commit is contained in:
Chris Wilson 2011-10-18 14:05:54 +01:00
parent d2c95d1183
commit e0b2645730
1 changed files with 15 additions and 22 deletions
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37
tools/intel_gpu_top.c
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@ -384,37 +384,30 @@ static void ring_print_header(FILE *out, struct ring *ring)
static void ring_print(struct ring *ring, unsigned long samples_per_sec) static void ring_print(struct ring *ring, unsigned long samples_per_sec)
{ {
int samples_to_percent_ratio, percent, len; int percent_busy, len;
/* Calculate current value of samples_to_percent_ratio */
samples_to_percent_ratio = (ring->idle * 100) / samples_per_sec;
percent = 100 - samples_to_percent_ratio;
if (!ring->size) if (!ring->size)
return; return;
len = printf("%25s busy: %3d%%: ", ring->name, percent); percent_busy = 100 - 100 * ring->idle / samples_per_sec;
print_percentage_bar (percent, len);
printf("%24s space: %d/%d (%d%%)\n", len = printf("%25s busy: %3d%%: ", ring->name, percent_busy);
print_percentage_bar (percent_busy, len);
printf("%24s space: %d/%d\n",
ring->name, ring->name,
(int)(ring->full / samples_per_sec), (int)(ring->full / samples_per_sec),
ring->size, ring->size);
(int)((ring->full / samples_to_percent_ratio) / ring->size));
} }
static void ring_log(struct ring *ring, unsigned long samples_per_sec, static void ring_log(struct ring *ring, unsigned long samples_per_sec,
FILE *output) FILE *output)
{ {
int samples_to_percent_ratio, percent, len; if (ring->size)
fprintf(output, "%3d\t%d\t",
/* Calculate current value of samples_to_percent_ratio */ (int)(100 - 100 * ring->idle / samples_per_sec),
samples_to_percent_ratio = (ring->idle * 100) / samples_per_sec; (int)(ring->full / samples_per_sec));
percent = 100 - samples_to_percent_ratio; else
fprintf(output, "-1\t-1\t");
fprintf(output, "%3d\t%d\t",
(ring->size) ? 100 - ring->idle / samples_to_percent_ratio : -1,
(ring->size) ? (int)(ring->full / samples_per_sec) : -1
);
} }
static void static void
@ -666,8 +659,8 @@ int main(int argc, char **argv)
if (i < STATS_COUNT && HAS_STATS_REGS(devid)) { if (i < STATS_COUNT && HAS_STATS_REGS(devid)) {
printf("%13s: %llu (%lld/sec)", printf("%13s: %llu (%lld/sec)",
stats_reg_names[i], stats_reg_names[i],
stats[i], (long long)stats[i],
stats[i] - last_stats[i]); (long long)(stats[i] - last_stats[i]));
last_stats[i] = stats[i]; last_stats[i] = stats[i];
} else { } else {
if (!top_bits_sorted[i]->count) if (!top_bits_sorted[i]->count)