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-rw-r--r--overlay/gpu-top.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/overlay/gpu-top.c b/overlay/gpu-top.c
index 1efbbfd3..77166953 100644
--- a/overlay/gpu-top.c
+++ b/overlay/gpu-top.c
@@ -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;