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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 7D3F9C433ED for ; Wed, 5 May 2021 13:47:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 47FE0610FB for ; Wed, 5 May 2021 13:47:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231650AbhEENsH (ORCPT ); Wed, 5 May 2021 09:48:07 -0400 Received: from mail.efficios.com ([167.114.26.124]:48738 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230159AbhEENsH (ORCPT ); Wed, 5 May 2021 09:48:07 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id B08CC324C32; Wed, 5 May 2021 09:47:10 -0400 (EDT) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id FpEBtyQfEeei; Wed, 5 May 2021 09:47:09 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 9CE9A324D67; Wed, 5 May 2021 09:47:09 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com 9CE9A324D67 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=default; t=1620222429; bh=IEkHFdHJuSn4RdYNCVXcsSuylFLRcrJfEnJbo5nEqAY=; h=Date:From:To:Message-ID:MIME-Version; b=cg7SYvwa1z3uJA2bPGF1QVwES/ml63iYlXH3Nfz9T2xGA9wORgRw+bKD55OPMhzlH M+wCjQalVUO9ZmoLtuJolDnWuuJ4eYKlXauXOyqxweYGdJiB9A8pG7DSDxaLMNp649 6s62lagyO+QEbaxEZwk7KK5QNDmTn30Mqfzc843L6tH9Ys0x/5qAvNPSCkLfPOlFYb ybMgFYcS9NtHk5GGLGBQxZLZPgeIdNKplcuctzUSLgxkpr84HtxGcrPcrDMdg+TcKf jwBbypo3Jj7zu9yexrj75vCagQcCQs3hy5Pk22JqkTjP+RrKJNRCWBR5FCmrBVyzEt aMiHPaMqwNnAA== X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id JYYrVCjSypvy; Wed, 5 May 2021 09:47:09 -0400 (EDT) Received: from joraj-alpa (unknown [107.159.43.215]) by mail.efficios.com (Postfix) with ESMTPSA id 71D30324E85; Wed, 5 May 2021 09:47:09 -0400 (EDT) Date: Wed, 5 May 2021 09:47:08 -0400 From: Jonathan Rajotte-Julien To: Lin Wang Cc: linux-trace-users@vger.kernel.org Subject: Re: how to continuously capture events Message-ID: <20210505134708.GC346954@joraj-alpa> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-trace-users@vger.kernel.org Hi, > I'm trying to continuously capture certain kernel events, convert them > to a different format and then write them to a file. You might also want to have a look at LTTng and LTTng-modules depending on your final use case. [1][2] LTTng produce CTF traces [3] that can then be read/converted/manipulated with Babeltrace [4]. [1] https://lttng.org/ [2] https://lttng.org/docs/v2.12/#doc-tracing-the-linux-kernel [3] https://diamon.org/ctf/ [4] https://babeltrace.org/ Cheers -- Jonathan Rajotte-Julien EfficiOS