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[209.132.180.67]) by mx.google.com with ESMTP id gr1si16269826pac.52.2016.02.19.04.01.30; Fri, 19 Feb 2016 04:01:30 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757760AbcBSMB2 (ORCPT + 30 others); Fri, 19 Feb 2016 07:01:28 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:8423 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1947730AbcBSLrP (ORCPT ); Fri, 19 Feb 2016 06:47:15 -0500 Received: from 172.24.1.51 (EHLO szxeml434-hub.china.huawei.com) ([172.24.1.51]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DBS30424; Fri, 19 Feb 2016 19:45:50 +0800 (CST) Received: from linux-4hy3.site (10.107.193.248) by szxeml434-hub.china.huawei.com (10.82.67.225) with Microsoft SMTP Server id 14.3.235.1; Fri, 19 Feb 2016 19:45:42 +0800 From: Wang Nan To: Alexei Starovoitov , Arnaldo Carvalho de Melo , Arnaldo Carvalho de Melo , Brendan Gregg CC: Adrian Hunter , Cody P Schafer , "David S. Miller" , He Kuang , =?UTF-8?q?J=C3=A9r=C3=A9mie=20Galarneau?= , Jiri Olsa , Kirill Smelkov , Li Zefan , Masami Hiramatsu , Namhyung Kim , Peter Zijlstra , , Wang Nan , Subject: [PATCH 47/55] perf tools: Enable overwrite settings Date: Fri, 19 Feb 2016 11:44:35 +0000 Message-ID: <1455882283-79592-48-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1455882283-79592-1-git-send-email-wangnan0@huawei.com> References: <1455882283-79592-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A0B0203.56C7006E.031B, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 83b23025facf605d2993074ddc1e260f Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch allows following config terms and option: # perf record --overwrite ... Globally set following events to overwrite; # perf record --event cycles/overwrite/ ... # perf record --event cycles/no-overwrite/ ... Set specific events to be overwrite or no-overwrite. Signed-off-by: Wang Nan Signed-off-by: He Kuang Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Zefan Li Cc: pi3orama@163.com --- tools/perf/builtin-record.c | 1 + tools/perf/perf.h | 1 + tools/perf/util/evsel.c | 4 ++++ tools/perf/util/evsel.h | 2 ++ tools/perf/util/parse-events.c | 14 ++++++++++++++ tools/perf/util/parse-events.h | 2 ++ tools/perf/util/parse-events.l | 2 ++ 7 files changed, 26 insertions(+) -- 1.8.3.4 diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index b27b3ff..d3f0435 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1271,6 +1271,7 @@ struct option __record_options[] = { OPT_BOOLEAN_SET('i', "no-inherit", &record.opts.no_inherit, &record.opts.no_inherit_set, "child tasks do not inherit counters"), + OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"), OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"), OPT_CALLBACK('m', "mmap-pages", &record.opts, "pages[,pages]", "number of mmap data pages and AUX area tracing mmap pages", diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 198345e..7a65a92 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -60,6 +60,7 @@ struct record_opts { bool record_switch_events; bool all_kernel; bool all_user; + bool overwrite; unsigned int freq; unsigned int mmap_pages; unsigned int auxtrace_mmap_pages; diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 510afa4..10dfdd1 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -670,6 +670,9 @@ static void apply_config_terms(struct perf_evsel *evsel, */ attr->inherit = term->val.inherit ? 1 : 0; break; + case PERF_EVSEL__CONFIG_TERM_OVERWRITE: + evsel->overwrite = term->val.overwrite ? 1 : 0; + break; default: break; } @@ -745,6 +748,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) attr->sample_id_all = perf_missing_features.sample_id_all ? 0 : 1; attr->inherit = !opts->no_inherit; + evsel->overwrite = opts->overwrite; perf_evsel__set_sample_bit(evsel, IP); perf_evsel__set_sample_bit(evsel, TID); diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 03c70e5..aa976f9 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -44,6 +44,7 @@ enum { PERF_EVSEL__CONFIG_TERM_CALLGRAPH, PERF_EVSEL__CONFIG_TERM_STACK_USER, PERF_EVSEL__CONFIG_TERM_INHERIT, + PERF_EVSEL__CONFIG_TERM_OVERWRITE, PERF_EVSEL__CONFIG_TERM_MAX, }; @@ -57,6 +58,7 @@ struct perf_evsel_config_term { char *callgraph; u64 stack_user; bool inherit; + bool overwrite; } val; }; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 5e958b9..bf1eee1 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -996,6 +996,12 @@ do { \ case PARSE_EVENTS__TERM_TYPE_NOINHERIT: CHECK_TYPE_VAL(NUM); break; + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + CHECK_TYPE_VAL(NUM); + break; + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: + CHECK_TYPE_VAL(NUM); + break; case PARSE_EVENTS__TERM_TYPE_NAME: CHECK_TYPE_VAL(STR); break; @@ -1044,6 +1050,8 @@ static int config_term_tracepoint(struct perf_event_attr *attr, case PARSE_EVENTS__TERM_TYPE_STACKSIZE: case PARSE_EVENTS__TERM_TYPE_INHERIT: case PARSE_EVENTS__TERM_TYPE_NOINHERIT: + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: return config_term_common(attr, term, err); default: if (err) { @@ -1113,6 +1121,12 @@ do { \ case PARSE_EVENTS__TERM_TYPE_NOINHERIT: ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 0 : 1); break; + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 1 : 0); + break; + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: + ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 0 : 1); + break; default: break; } diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 67e4930..c7e6e51 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -69,6 +69,8 @@ enum { PARSE_EVENTS__TERM_TYPE_STACKSIZE, PARSE_EVENTS__TERM_TYPE_NOINHERIT, PARSE_EVENTS__TERM_TYPE_INHERIT, + PARSE_EVENTS__TERM_TYPE_NOOVERWRITE, + PARSE_EVENTS__TERM_TYPE_OVERWRITE, __PARSE_EVENTS__TERM_TYPE_NR, }; diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 1477fbc..cc4c426 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -201,6 +201,8 @@ call-graph { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CALLGRAPH); } stack-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_STACKSIZE); } inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_INHERIT); } no-inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOINHERIT); } +overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_OVERWRITE); } +no-overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOOVERWRITE); } , { return ','; } "/" { BEGIN(INITIAL); return '/'; } {name_minus} { return str(yyscanner, PE_NAME); }