From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Anholt Subject: [PATCH 4/4] cpuidle: Hack iowait weighting to avoid C-state reduction for graphics. Date: Mon, 1 Nov 2010 13:23:44 -0700 Message-ID: <1288643024-5706-5-git-send-email-eric@anholt.net> References: <1288643024-5706-1-git-send-email-eric@anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1288643024-5706-1-git-send-email-eric@anholt.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Improves nexuiz performance by about 1% on my system. Signed-off-by: Eric Anholt --- drivers/cpuidle/governors/menu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index f508690..9bb5654 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -175,7 +175,7 @@ static inline int performance_multiplier(void) mult += 2 * get_loadavg(); /* for IO wait tasks (per cpu!) we add 5x each */ - mult += 10 * nr_iowait_cpu(smp_processor_id()); + mult += 1000 * nr_iowait_cpu(smp_processor_id()); return mult; } -- 1.7.2.3