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 78FA3A00C2; Wed, 22 Apr 2020 21:04:58 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7EAA81D526; Wed, 22 Apr 2020 21:04:32 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 9A3E61D442 for ; Wed, 22 Apr 2020 21:04:19 +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 03MJ1blG005895; Wed, 22 Apr 2020 12:04:19 -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=dwbDkFPvSPD7J2imicb7c0sAe7sdXFacTyKvMCid1Fk=; b=s/uCU+RpTpzL8DFPepdMyo57/O+CJffW4Szsg71k1aQfqUNVTbhPbEN9T/5lNNZPDwoo AENv0tYR3YG/OlKFaTE6hqvn+zSXL8EdGKTG/ihrRwGtXj4lH+5Ql+5L6ooiFEmjft1P ESFsqa/sTOKMAcQGC/G/LMzPYILW4rz6bXs5nGSX14Z6GwFOuTAmalFbhD0487C0PazX k25Seeb15GCQ0la6I3RcIh/ebcn27UopFW5iR7Xn321B2OiC4Kdjl+8B4VO5U88H0R/C tOoLKh+xfqs12LclTYaW2/Wo2LXqceh925fm6+hH1XMoGkirzINo+s2sZPJNpVXzf7eU lQ== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0b-0016f401.pphosted.com with ESMTP id 30jd013jds-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 22 Apr 2020 12:04:19 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Apr 2020 12:04:16 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Apr 2020 12:04:16 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 22 Apr 2020 12:04:16 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id B1BB63F704F; Wed, 22 Apr 2020 12:04:13 -0700 (PDT) From: To: Jerin Jacob , Sunil Kumar Kori CC: , , , , Date: Thu, 23 Apr 2020 00:33:23 +0530 Message-ID: <20200422190349.3768487-7-jerinj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200422190349.3768487-1-jerinj@marvell.com> References: <20200419100133.3232316-1-jerinj@marvell.com> <20200422190349.3768487-1-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, 18.0.676 definitions=2020-04-22_06:2020-04-22, 2020-04-22 signatures=0 Subject: [dpdk-dev] [PATCH v7 06/32] 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 e270808d2..c02be897a 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_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 d2ab8f845..f7700934b 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 deb57dd4c..493163c1c 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 @@ -39,6 +40,9 @@ struct trace { rte_uuid_t uuid; uint32_t buff_len; uint32_t nb_trace_points; + uint64_t epoch_sec; + uint64_t epoch_nsec; + uint64_t uptime_ticks; rte_spinlock_t lock; }; @@ -61,6 +65,7 @@ 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