From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23016 invoked by alias); 7 Nov 2014 13:58:17 -0000 Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org Received: (qmail 22932 invoked by uid 89); 7 Nov 2014 13:58:16 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.6 required=5.0 tests=BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-pd0-f171.google.com Received: from mail-pd0-f171.google.com (HELO mail-pd0-f171.google.com) (209.85.192.171) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-SHA encrypted) ESMTPS; Fri, 07 Nov 2014 13:58:12 +0000 Received: by mail-pd0-f171.google.com with SMTP id r10so3352818pdi.16 for ; Fri, 07 Nov 2014 05:58:10 -0800 (PST) X-Received: by 10.67.14.36 with SMTP id fd4mr12122515pad.79.1415368690274; Fri, 07 Nov 2014 05:58:10 -0800 (PST) Received: from localhost.localdomain ([116.40.193.38]) by mx.google.com with ESMTPSA id fn2sm8832906pdb.75.2014.11.07.05.58.05 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 07 Nov 2014 05:58:09 -0800 (PST) From: Namhyung Kim To: Peter Zijlstra Cc: Masami Hiramatsu , Hemant Kumar , Arnaldo Carvalho de Melo , LKML , Ingo Molnar , srikar@linux.vnet.ibm.com, oleg@redhat.com, hegdevasant@linux.vnet.ibm.com, systemtap@sourceware.org, aravinda@linux.vnet.ibm.com, penberg@iki.fi, brendan.d.gregg@gmail.com, Steven Rostedt Subject: [PATCH 2/2] perf tools: Add record.use-buildid-cache config option Date: Fri, 07 Nov 2014 13:58:00 -0000 Message-Id: <1415368677-3794-2-git-send-email-namhyung@kernel.org> In-Reply-To: <1415368677-3794-1-git-send-email-namhyung@kernel.org> References: <20141107084211.GC23531@worktop.programming.kicks-ass.net> <1415368677-3794-1-git-send-email-namhyung@kernel.org> X-SW-Source: 2014-q4/txt/msg00121.txt.bz2 Add a new config option for auto-disable buildid-cache. $ cat ~/.perfconfig [record] use-buildid-cache = false $ rm -rf ~/.debug $ perf record -av sleep 1 mmap size 528384B [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.439 MB perf.data (~19182 samples) ] Looking at the vmlinux_path (7 entries long) Using /proc/kallsyms for symbols $ tree ~/.debug /home/namhyung/.debug [error opening dir] 0 directories, 0 files Requested-by: Peter Zijlstra Cc: Steven Rostedt Signed-off-by: Namhyung Kim --- tools/perf/builtin-record.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 582c4da155ea..19083e715698 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -685,6 +685,12 @@ int record_callchain_opt(const struct option *opt __maybe_unused, static int perf_record_config(const char *var, const char *value, void *cb) { + struct record *rec = cb; + + if (!strcmp(var, "record.use-buildid-cache")) { + rec->no_buildid_cache = !perf_config_bool(var, value); + return 0; + } if (!strcmp(var, "record.call-graph")) var = "call-graph.record-mode"; /* fall-through */ -- 2.0.0