From 3b04566bba9d86523df8a5afa332610ed114478a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sun, 19 Feb 2017 19:29:06 +0100 Subject: [PATCH] gallium/hud: handle a thread switch for API-thread-busy monitoring MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Nicolai Hähnle --- src/gallium/auxiliary/hud/hud_cpu.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/src/gallium/auxiliary/hud/hud_cpu.c b/src/gallium/auxiliary/hud/hud_cpu.c index 1cba353603d..302445d19b7 100644 --- a/src/gallium/auxiliary/hud/hud_cpu.c +++ b/src/gallium/auxiliary/hud/hud_cpu.c @@ -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(); - - hud_graph_add_value(gr, - (thread_now - info->last_thread_time) * 100 / - (now - info->last_time)); + unsigned percent = (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; -- 2.30.2