From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756893AbbIYNV2 (ORCPT ); Fri, 25 Sep 2015 09:21:28 -0400 Received: from mga03.intel.com ([134.134.136.65]:34815 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756694AbbIYNTU (ORCPT ); Fri, 25 Sep 2015 09:19:20 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,587,1437462000"; d="scan'208";a="812817339" From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , linux-kernel@vger.kernel.org Subject: [PATCH 18/25] perf script: Add a setting for maximum stack depth Date: Fri, 25 Sep 2015 16:15:49 +0300 Message-Id: <1443186956-18718-19-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1443186956-18718-1-git-send-email-adrian.hunter@intel.com> References: <1443186956-18718-1-git-send-email-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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a setting for maximum stack depth in preparation for allowing for synthesized callchains. Signed-off-by: Adrian Hunter --- tools/perf/builtin-script.c | 6 ++++-- tools/perf/util/session.c | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 092843968791..a65b498df097 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -33,6 +33,8 @@ static bool nanosecs; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); +static unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; + enum perf_output_field { PERF_OUTPUT_COMM = 1U << 0, PERF_OUTPUT_TID = 1U << 1, @@ -475,7 +477,7 @@ static void print_sample_bts(union perf_event *event, } } perf_evsel__print_ip(evsel, sample, al, print_opts, - PERF_MAX_STACK_DEPTH); + scripting_max_stack); } /* print branch_to information */ @@ -552,7 +554,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample, perf_evsel__print_ip(evsel, sample, al, output[attr->type].print_ip_opts, - PERF_MAX_STACK_DEPTH); + scripting_max_stack); } if (PRINT_FIELD(IREGS)) diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 15c84cad213a..84a02eae4394 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1800,7 +1800,7 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample, if (thread__resolve_callchain(al->thread, evsel, sample, NULL, NULL, - PERF_MAX_STACK_DEPTH) != 0) { + stack_depth) != 0) { if (verbose) error("Failed to resolve callchain. Skipping\n"); return; -- 1.9.1