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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 3093EC73C7C for ; Wed, 10 Jul 2019 09:00:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0931520844 for ; Wed, 10 Jul 2019 09:00:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727936AbfGJJA1 (ORCPT ); Wed, 10 Jul 2019 05:00:27 -0400 Received: from mga12.intel.com ([192.55.52.136]:35469 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727778AbfGJI7m (ORCPT ); Wed, 10 Jul 2019 04:59:42 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jul 2019 01:59:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,474,1557212400"; d="scan'208";a="186102552" Received: from ahunter-desktop.fi.intel.com ([10.237.72.122]) by fmsmga001.fm.intel.com with ESMTP; 10 Jul 2019 01:59:40 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , linux-kernel@vger.kernel.org Subject: [PATCH 12/21] perf db-export: Also export thread's current comm Date: Wed, 10 Jul 2019 11:58:01 +0300 Message-Id: <20190710085810.1650-13-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190710085810.1650-1-adrian.hunter@intel.com> References: <20190710085810.1650-1-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 305adead3a1d..2220a60ad29e 100644 --- a/tools/perf/util/db-export.c +++ b/tools/perf/util/db-export.c @@ -298,6 +298,7 @@ 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); @@ -349,6 +350,13 @@ 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); -- 2.17.1