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 59DA0A0524; Wed, 5 May 2021 19:36:44 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1547541125; Wed, 5 May 2021 19:36:25 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 7DA0E410F1; Wed, 5 May 2021 19:36:19 +0200 (CEST) Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id CA4FC20B800A; Wed, 5 May 2021 10:36:18 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com CA4FC20B800A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1620236178; bh=U07gpvYj57fW7/atuUHJT87TKPDa0NQdWpfU7LJUfYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kPtuAv/+MkO03MbDhv2ONPGdYfxcH4Kosy1292wAnIPzFqVV3lJLYoWztRhD4dBcl HSzPE7ZL4UG/XpkNKkrAaVdXRiSFJ3Imc5T4j+Un0SdfmEIQxF0IFZMrbPixagdUNS 2PtjkHguRBYLHf6LcmHsrOa5zYzaPV7WJIkZjJNY= From: Jie Zhou To: dev@dpdk.org Cc: dmitry.kozliuk@gmail.com, xiaoyun.li@intel.com, roretzla@microsoft.com, talshn@nvidia.com, pallavi.kadam@intel.com, thomas@monjalon.net, bruce.richardson@intel.com, ferruh.yigit@intel.com, konstantin.ananyev@intel.com, stable@dpdk.org Date: Wed, 5 May 2021 10:36:08 -0700 Message-Id: <1620236174-10676-5-git-send-email-jizh@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1620236174-10676-1-git-send-email-jizh@linux.microsoft.com> References: <1620235115-7062-1-git-send-email-jizh@linux.microsoft.com> <1620236174-10676-1-git-send-email-jizh@linux.microsoft.com> Subject: [dpdk-dev] [PATCH v12 04/10] eal/Windows: add clock_gettime on Windows 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" Add clock_gettime on Windows in rte_os_shim.h Signed-off-by: Jie Zhou Signed-off-by: Jie Zhou --- lib/eal/windows/include/rte_os_shim.h | 38 +++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/lib/eal/windows/include/rte_os_shim.h b/lib/eal/windows/include/rte_os_shim.h index e60f27400..ec1087290 100644 --- a/lib/eal/windows/include/rte_os_shim.h +++ b/lib/eal/windows/include/rte_os_shim.h @@ -75,4 +75,42 @@ rte_timespec_get(struct timespec *now, int base) #endif /* RTE_TOOLCHAIN_GCC */ +/* Identifier for system-wide realtime clock. */ +#define CLOCK_REALTIME 0 +/* Monotonic system-wide clock. */ +#define CLOCK_MONOTONIC 1 +/* High-resolution timer from the CPU. */ +#define CLOCK_PROCESS_CPUTIME_ID 2 +/* Thread-specific CPU-time clock. */ +#define CLOCK_THREAD_CPUTIME_ID 3 + +#define NS_PER_SEC 1E9 + +typedef int clockid_t; + +static inline int +rte_clock_gettime(clockid_t clock_id, struct timespec *tp) +{ + LARGE_INTEGER pf, pc; + LONGLONG nsec; + switch (clock_id) { + case CLOCK_REALTIME: + if (timespec_get(tp, TIME_UTC) != TIME_UTC) + return -1; + return 0; + case CLOCK_MONOTONIC: + if (QueryPerformanceFrequency(&pf) == 0) + return -1; + if (QueryPerformanceCounter(&pc) == 0) + return -1; + nsec = pc.QuadPart * NS_PER_SEC / pf.QuadPart; + tp->tv_sec = nsec / NS_PER_SEC; + tp->tv_nsec = nsec - tp->tv_sec * NS_PER_SEC; + return 0; + default: + return -1; + } +} +#define clock_gettime(clock_id, tp) rte_clock_gettime(clock_id, tp) + #endif /* _RTE_OS_SHIM_ */ -- 2.30.0.vfs.0.2