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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 88B13C7618F for ; Mon, 15 Jul 2019 21:13:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5805021721 for ; Mon, 15 Jul 2019 21:13:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563225215; bh=28Yv58TYiFdiUP3XiLAwNwy6/UbZfSMt3fqBx2TAsuY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eGD/nVJdVEkXkL1BM1780W3gNe6lYPmjVm6Lb8JwxYAZRiFH+Y5m6OK3zOYEbvzDZ bspVnTd0SrGLsLPdN4gBHjROk4omOeElL/Mo0AWyL07y4qwRKBPaM972W5YYX7PKR/ ZurokDevEvE18l1YxQC1qY5T+A9P6Pe9EtYKqEOM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733189AbfGOVNd (ORCPT ); Mon, 15 Jul 2019 17:13:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:44448 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731109AbfGOVNc (ORCPT ); Mon, 15 Jul 2019 17:13:32 -0400 Received: from quaco.ghostprotocols.net (179-240-129-12.3g.claro.net.br [179.240.129.12]) (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 364E220449; Mon, 15 Jul 2019 21:13:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563225211; bh=28Yv58TYiFdiUP3XiLAwNwy6/UbZfSMt3fqBx2TAsuY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P2uw70ZJc3QW52Dj9TC8Y5CfZuCl38e3WiZBIArw8rrQr9EDWS/AasVp9vREafK0c 1uAvbiv5rfnRIQPJpEVnu9bLmrSnefwhZyNzt+5yRowYYyBvu2/8vSzqrmbo7TJY6C WnGuSJYU0syiicdLO2KSICrIDfRwlyq/PxTejtYM= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Adrian Hunter , Jiri Olsa , Arnaldo Carvalho de Melo Subject: [PATCH 15/28] perf db-export: Also export thread's current comm Date: Mon, 15 Jul 2019 18:11:47 -0300 Message-Id: <20190715211200.10984-16-acme@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190715211200.10984-1-acme@kernel.org> References: <20190715211200.10984-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Adrian Hunter Currently, the initial comm of the main thread is exported. Export also a thread's current comm. That better supports the tracing of multi-threaded applications that set different comms for different threads to make it easier to distinguish them. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20190710085810.1650-13-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/db-export.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c index b1e581c13963..5057fdd7f62d 100644 --- a/tools/perf/util/db-export.c +++ b/tools/perf/util/db-export.c @@ -299,6 +299,7 @@ int db_export__sample(struct db_export *dbe, union perf_event *event, }; struct thread *main_thread; struct comm *comm = NULL; + struct comm *curr_comm; int err; err = db_export__evsel(dbe, evsel); @@ -350,6 +351,13 @@ int db_export__sample(struct db_export *dbe, union perf_event *event, } } + curr_comm = thread__comm(thread); + if (curr_comm) { + err = db_export__comm(dbe, curr_comm, thread); + if (err) + goto out_put; + } + es.db_id = ++dbe->sample_last_db_id; err = db_ids_from_al(dbe, al, &es.dso_db_id, &es.sym_db_id, &es.offset); -- 2.21.0