From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id ACBD4A0546; Wed, 7 Apr 2021 09:47:15 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CC3BB141089; Wed, 7 Apr 2021 09:47:09 +0200 (CEST) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mails.dpdk.org (Postfix) with ESMTP id C6099141087; Wed, 7 Apr 2021 09:47:08 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 45BDF106F; Wed, 7 Apr 2021 00:47:08 -0700 (PDT) Received: from wls-arm-cavium06.shanghai.arm.com (wls-arm-cavium06.shanghai.arm.com [10.169.206.120]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 714D73F694; Wed, 7 Apr 2021 00:47:06 -0700 (PDT) From: Richael Zhuang To: dev@dpdk.org Cc: alan.carew@intel.com, stable@dpdk.org, David Hunt , Pablo de Lara Date: Wed, 7 Apr 2021 15:46:36 +0800 Message-Id: <20210407074636.26891-4-richael.zhuang@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210407074636.26891-1-richael.zhuang@arm.com> References: <20210407023910.51052-1-richael.zhuang@arm.com> <20210407074636.26891-1-richael.zhuang@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v3 3/3] test/power: add delay before checking cpuinfo cur freq X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Sleep for 1s before checking the newly updated value from "/sys/devices/system/cpu/cpu%u/cpufreq/cpuinfo_cur_freq", because for some systems it may not be effective immediately. Fixes: ed7c51a6a680 ("app/test: vm power management") Cc: alan.carew@intel.com Cc: stable@dpdk.org Signed-off-by: Richael Zhuang --- app/test/test_power_cpufreq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/app/test/test_power_cpufreq.c b/app/test/test_power_cpufreq.c index cda74bd8a..7a93bc90a 100644 --- a/app/test/test_power_cpufreq.c +++ b/app/test/test_power_cpufreq.c @@ -47,6 +47,9 @@ static uint32_t freqs[TEST_POWER_FREQS_NUM_MAX]; static int check_cur_freq(unsigned lcore_id, uint32_t idx) { + /* wait for the value to be updated */ + sleep(1); + #define TEST_POWER_CONVERT_TO_DECIMAL 10 FILE *f; char fullpath[PATH_MAX]; -- 2.20.1