From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A73B8A0562; Sun, 29 Mar 2020 16:46:15 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id DB54B1C117; Sun, 29 Mar 2020 16:44:02 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 527021C10A for ; Sun, 29 Mar 2020 16:44:00 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02TEdnod012821; Sun, 29 Mar 2020 07:43:59 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0818; bh=xwmwOcZbvLmjNMsetsu14OHTX0s3IxdcpArFBrkCyxY=; b=we1NJGAVcdeGuTbJI0R4L5mipce1WmJgjxOSegbmQlp9u3+hGiKJwfw5onVCMHCcTPi8 J6oY4/7RBVmNgKN1jcPuyY0kZdqgkHYZVxQ0FvfXvQqNPSxfK6uRjxVm8oubVQBe+f1e NcsaOeINuXZSdHl4lKKtvWjLNiGhp0wGOTM12pUDXFoeCzZQPeMzmS1M0hdwmz+BCxLr iRdxj/+VCneUaXnOXbHNcsSMjgCdey+zYN+VWQrWz7hkprX8N51xFlV17N5wOVbWJEtK HxOyz+UE4fz2Q+Bm5/dHBWVxxmTwxAfHtj2S7NZQiVYvpB8AGqS4oP9c9rUod1K2s3bl cQ== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0b-0016f401.pphosted.com with ESMTP id 30263kb5h4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sun, 29 Mar 2020 07:43:59 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 29 Mar 2020 07:43:57 -0700 Received: from SC-EXCH03.marvell.com (10.93.176.83) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 29 Mar 2020 07:43:56 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 29 Mar 2020 07:43:56 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id A37133F703F; Sun, 29 Mar 2020 07:43:54 -0700 (PDT) From: To: Jerin Jacob , Sunil Kumar Kori CC: , , , , Date: Sun, 29 Mar 2020 20:13:16 +0530 Message-ID: <20200329144342.1543749-8-jerinj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200329144342.1543749-1-jerinj@marvell.com> References: <20200325211603.240288-1-jerinj@marvell.com> <20200329144342.1543749-1-jerinj@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-29_05:2020-03-27, 2020-03-29 signatures=0 Subject: [dpdk-dev] [PATCH v3 07/33] eal/trace: get bootup timestamp for trace X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" From: Jerin Jacob Find epoch_sec, epoch_nsec and uptime_ticks time information on eal_trace_init()/bootup to derive the time in the trace. Signed-off-by: Jerin Jacob --- lib/librte_eal/common/eal_common_trace.c | 3 +++ .../common/eal_common_trace_utils.c | 22 +++++++++++++++++++ lib/librte_eal/common/eal_trace.h | 5 +++++ 3 files changed, 30 insertions(+) diff --git a/lib/librte_eal/common/eal_common_trace.c b/lib/librte_eal/common/eal_common_trace.c index 50890fb5b..42829ed6f 100644 --- a/lib/librte_eal/common/eal_common_trace.c +++ b/lib/librte_eal/common/eal_common_trace.c @@ -59,6 +59,9 @@ eal_trace_init(void) if (trace_mkdir()) goto fail; + /* Save current epoch timestamp for future use */ + if (trace_epoch_time_save() < 0) + goto fail; rte_trace_global_mode_set(trace.mode); diff --git a/lib/librte_eal/common/eal_common_trace_utils.c b/lib/librte_eal/common/eal_common_trace_utils.c index 8df7b5c33..f65672119 100644 --- a/lib/librte_eal/common/eal_common_trace_utils.c +++ b/lib/librte_eal/common/eal_common_trace_utils.c @@ -98,6 +98,28 @@ trace_session_name_generate(char *trace_dir) return -rte_errno; } +int +trace_epoch_time_save(void) +{ + struct trace *trace = trace_obj_get(); + struct timespec epoch = { 0, 0 }; + uint64_t avg, start, end; + + start = rte_get_tsc_cycles(); + if (clock_gettime(CLOCK_REALTIME, &epoch) < 0) { + trace_err("failed to get the epoch time"); + return -1; + } + end = rte_get_tsc_cycles(); + avg = (start + end) >> 1; + + trace->epoch_sec = (uint64_t) epoch.tv_sec; + trace->epoch_nsec = (uint64_t) epoch.tv_nsec; + trace->uptime_ticks = avg; + + return 0; +} + static int trace_dir_default_path_get(char *dir_path) { diff --git a/lib/librte_eal/common/eal_trace.h b/lib/librte_eal/common/eal_trace.h index 9354f2456..10139c06c 100644 --- a/lib/librte_eal/common/eal_trace.h +++ b/lib/librte_eal/common/eal_trace.h @@ -5,6 +5,7 @@ #ifndef __EAL_TRACE_H #define __EAL_TRACE_H +#include #include #include #include @@ -38,6 +39,9 @@ struct trace { rte_uuid_t uuid; uint32_t level; uint32_t nb_trace_points; + uint64_t epoch_sec; + uint64_t epoch_nsec; + uint64_t uptime_ticks; rte_spinlock_t lock; }; @@ -60,6 +64,7 @@ struct trace_point_head *trace_list_head_get(void); bool trace_has_duplicate_entry(void); void trace_uuid_generate(void); int trace_mkdir(void); +int trace_epoch_time_save(void); /* EAL interface */ int eal_trace_init(void); -- 2.25.1