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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 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 E79A3C48BD1 for ; Thu, 10 Jun 2021 19:48:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5A5E61285 for ; Thu, 10 Jun 2021 19:48:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230303AbhFJTuA (ORCPT ); Thu, 10 Jun 2021 15:50:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:51534 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229823AbhFJTt6 (ORCPT ); Thu, 10 Jun 2021 15:49:58 -0400 Received: from oasis.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CD9AE613FF; Thu, 10 Jun 2021 19:48:00 +0000 (UTC) Date: Thu, 10 Jun 2021 15:47:59 -0400 From: Steven Rostedt To: Jiri Olsa Cc: Ian Rogers , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Namhyung Kim , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-users@vger.kernel.org, Tzvetomir Stoyanov , eranian@google.com, Michael Petlan Subject: Re: [RFC PATCH] libtraceevent: Increase libtraceevent logging when verbose Message-ID: <20210610154759.1ef958f0@oasis.local.home> In-Reply-To: References: <20210610060643.595673-1-irogers@google.com> <20210610103927.44462e35@oasis.local.home> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 10 Jun 2021 21:08:32 +0200 Jiri Olsa wrote: > Michael did the libtraceevent detection and dynamic linking support: > https://lore.kernel.org/linux-perf-users/20210428092023.4009-1-mpetlan@redhat.com/ Oh cool! I missed this. > > I think we should have that in Fedora/RHEL rpms already, or it's on the way. > > The detection code could be change to contain things we need. Sounds great! But the next thing we should use is libtracefs, to simplify some of the other logic, like finding the event files, and even reading the error_log file when a kprobe_event fails. -- Steve