From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhihong Wang Subject: [PATCH 1/2] lib/librte_eal: Reduce timer initialization time Date: Sun, 22 Nov 2015 14:13:34 -0500 Message-ID: <1448219615-63746-2-git-send-email-zhihong.wang@intel.com> References: <1448219615-63746-1-git-send-email-zhihong.wang@intel.com> To: dev@dpdk.org Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id E08718D38 for ; Mon, 23 Nov 2015 03:16:10 +0100 (CET) In-Reply-To: <1448219615-63746-1-git-send-email-zhihong.wang@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Changing from 1/2 second to 1/10 doesn't compromise the precision, and a 4/10 second is worth saving. Signed-off-by: Zhihong Wang --- lib/librte_eal/linuxapp/eal/eal_timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_eal/linuxapp/eal/eal_timer.c b/lib/librte_eal/linuxapp/eal/eal_timer.c index e0642de..b40afa0 100644 --- a/lib/librte_eal/linuxapp/eal/eal_timer.c +++ b/lib/librte_eal/linuxapp/eal/eal_timer.c @@ -271,7 +271,7 @@ get_tsc_freq(void) #ifdef CLOCK_MONOTONIC_RAW #define NS_PER_SEC 1E9 - struct timespec sleeptime = {.tv_nsec = 5E8 }; /* 1/2 second */ + struct timespec sleeptime = {.tv_nsec = NS_PER_SEC / 10 }; /* 1/10 second */ struct timespec t_start, t_end; uint64_t tsc_hz; -- 2.5.0