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gallium/hud: handle a thread switch for API-thread-busy monitoring

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-02-19 19:29:06 +01:00
parent 31e7ba7124
commit 3b04566bba
1 changed files with 9 additions and 3 deletions
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12
src/gallium/auxiliary/hud/hud_cpu.c
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@ -244,10 +244,16 @@ query_api_thread_busy_status(struct hud_graph *gr)
if (info->last_time) {
if (info->last_time + gr->pane->period*1000 <= now) {
int64_t thread_now = pipe_current_thread_get_time_nano();
unsigned percent = (thread_now - info->last_thread_time) * 100 /
(now - info->last_time);
hud_graph_add_value(gr,
(thread_now - info->last_thread_time) * 100 /
(now - info->last_time));
/* Check if the context changed a thread, so that we don't show
* a random value. When a thread is changed, the new thread clock
* is different, which can result in "percent" being very high.
*/
if (percent > 100)
percent = 0;
hud_graph_add_value(gr, percent);
info->last_thread_time = thread_now;
info->last_time = now;