From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C31C6C433C1 for ; Wed, 24 Mar 2021 13:05:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 856CB619FB for ; Wed, 24 Mar 2021 13:05:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234689AbhCXNF0 (ORCPT ); Wed, 24 Mar 2021 09:05:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234381AbhCXNEh (ORCPT ); Wed, 24 Mar 2021 09:04:37 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BED08C061763 for ; Wed, 24 Mar 2021 06:04:36 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id x16so24366512wrn.4 for ; Wed, 24 Mar 2021 06:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=dTJIMZfw6bNHyKfjvlkzUKuOnQwAl+BaNIF7uNwURYE=; b=IEhy4zzTk7ONYG4cCIGVfQ4y1qKY9DkAY8EBW0HAlQq8y7ZHr4tN/UI+WlxyERQIyP Tt2Z3x58eLcgCmCN5U4gsYQcns9oXB0kTFp9z1Bd4l8D3jiqnykKQd7lHCZOJBLJTig+ Fol9w+XWqunsFtCzUI85dsy1mMXVzfby1iK4YOpBMy4dnmabvXeULdJd8M0aqUL1vwaP jUIuiPEJq3HSt1T4mIINzisu+qR6B2Q6jPes/G4gVF30hfWlpFsS+3Nmv7CCkT1DXc2K X21vURmMRJIxy5Jf5kbYfhKb2Lwsh4Xh75+ci+u7ci/n41G5bdTMuo/QK9MMXcmGfV7S A6Ew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=dTJIMZfw6bNHyKfjvlkzUKuOnQwAl+BaNIF7uNwURYE=; b=W0FlGZ0Ovj9VORECsXkdZ2BAvADmfO2pF185OLPZvMry0hr8YtGCp9CgzAyOFXHMhr 7LgOzkwRg8gyJhaN2OKCfyC4tx8GkdD4zpGIGCCPu/NqBwRXgc+uOIOqH/oqzRVCeu3Q GtanOKuajEy+mP2zgyPzXzg96pLyMlTc0udiQxIkrCsx7Rxpnul7r+poGch0UC4mb5g3 57AZJNJrEmz+WOZpEMiVRkozmM27VcF2Klyk2oRcWgaf/nsw2s+5uUEXd+klzYzRT+1t CLacC0iuDOO+s8SI5zArUC9BN4ZCLVEvGKhgIdpoWXhSVF8/N1RxRrrobUIofBdHkWIv 8kUQ== X-Gm-Message-State: AOAM530cqhJWCyPKQyH51QUskpeBJZ/J81RTUnFNbnphZmatCE3u5np+ 2lvzGZF/SkF2FMUY83M+I8KOVw7Xw7uN4Q== X-Google-Smtp-Source: ABdhPJz7xu6CSUQcawZfaRGAV0QKdWfruDLk/2+LkVTm9ez6wNYuSXHIN0i8rCbIP0md4yecP6jbdQ== X-Received: by 2002:a5d:6ccb:: with SMTP id c11mr3468458wrc.122.1616591075525; Wed, 24 Mar 2021 06:04:35 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id w11sm3034919wrv.88.2021.03.24.06.04.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Mar 2021 06:04:35 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v3 09/23] trace-cmd: Read information for tsc to nanoseconds conversion from trace file Date: Wed, 24 Mar 2021 15:04:04 +0200 Message-Id: <20210324130418.436206-10-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210324130418.436206-1-tz.stoyanov@gmail.com> References: <20210324130418.436206-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Read multiplier and shift, required for TSC clock to nanosecond conversion from the metadata of the trace file and save them in the tracecmd input file handler. Signed-off-by: Tzvetomir Stoyanov (VMware) --- lib/trace-cmd/trace-input.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c index 2093a3dc..ebc28f7b 100644 --- a/lib/trace-cmd/trace-input.c +++ b/lib/trace-cmd/trace-input.c @@ -99,6 +99,12 @@ struct host_trace_info { struct ts_offset_sample *ts_samples; }; +struct tsc2nsec { + int mult; + int shift; + unsigned long long offset; +}; + struct tracecmd_input { struct tep_handle *pevent; unsigned long file_state; @@ -118,6 +124,8 @@ struct tracecmd_input { bool use_pipe; struct cpu_data *cpu_data; long long ts_offset; + struct tsc2nsec tsc_calc; + struct host_trace_info host; double ts2secs; char * cpustats; @@ -2674,6 +2682,16 @@ static int handle_options(struct tracecmd_input *handle) case TRACECMD_OPTION_GUEST: trace_guest_load(handle, buf, size); break; + case TRACECMD_OPTION_TSC2NSEC: + if (size < 16) + break; + handle->tsc_calc.mult = tep_read_number(handle->pevent, + buf, 4); + handle->tsc_calc.shift = tep_read_number(handle->pevent, + buf + 4, 4); + handle->tsc_calc.offset = tep_read_number(handle->pevent, + buf + 8, 8); + break; default: warning("unknown option %d", option); break; -- 2.30.2