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overlay: Tidy presentation of ring busy values

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-08-27 17:35:51 +01:00
parent b1d2a78a5d
commit 177208b0d4
1 changed files with 11 additions and 3 deletions
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14
overlay/gpu-top.c
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@ -292,11 +292,19 @@ int gpu_top_update(struct gpu_top *gt)
d_time = s->time - d->time;
for (n = 0; n < gt->num_rings; n++) {
gt->ring[n].u.u.busy = 100 * (s->busy[n] - d->busy[n]) / d_time;
gt->ring[n].u.u.busy = (100 * (s->busy[n] - d->busy[n]) + d_time/2) / d_time;
if (gt->have_wait)
gt->ring[n].u.u.wait = 100 * (s->wait[n] - d->wait[n]) / d_time;
gt->ring[n].u.u.wait = (100 * (s->wait[n] - d->wait[n]) + d_time/2) / d_time;
if (gt->have_sema)
gt->ring[n].u.u.sema = 100 * (s->sema[n] - d->sema[n]) / d_time;
gt->ring[n].u.u.sema = (100 * (s->sema[n] - d->sema[n]) + d_time/2) / d_time;
/* in case of rounding + sampling errors, fudge */
if (gt->ring[n].u.u.busy > 100)
gt->ring[n].u.u.busy = 100;
if (gt->ring[n].u.u.wait > 100)
gt->ring[n].u.u.wait = 100;
if (gt->ring[n].u.u.sema > 100)
gt->ring[n].u.u.sema = 100;
}
update = 1;