From nobody Fri Apr 10 14:24:06 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38A5FC6FA82 for ; Fri, 16 Sep 2022 17:59:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229783AbiIPR7i (ORCPT ); Fri, 16 Sep 2022 13:59:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229728AbiIPR7K (ORCPT ); Fri, 16 Sep 2022 13:59:10 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 235BCB6549; Fri, 16 Sep 2022 10:59:08 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id f23so5892699plr.6; Fri, 16 Sep 2022 10:59:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:from:to:cc:subject:date; bh=fHUO/tTSXGwAYWJl/h0HUVhnDEOopzy02qV2Gf5LuFs=; b=ZK8zrdV8d0dwJcFEu5/64qRd9FaeNiefq6CFkl68lXUVMTGfBNgbTNYZOauC+hVTGb 6y3x1XM2mryd1E+ITjTL7KfeRyHT2WSSTHx4gEomFsbrp/f5BU0OetLFSFX6dP7HIiBp Thhskg2kZzIJc15fkUg1C7eTdCqioUhXM/C2GcvPk8MyjRvX7gHduphw87kgv4FNWuXK +ZLCqZT1yhPK84NWUoTvWNR4UvEBgD3l/C58T5otxKUMPmAB+YslGUyFUZZImp6H7n5G KXgN9mMP3mOQGWjQtaNLzSmy7pyPDb0se+vqmWilst4S8EF73NHPDLTmJy/OVpVAuYnI lIUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:x-gm-message-state:from :to:cc:subject:date; bh=fHUO/tTSXGwAYWJl/h0HUVhnDEOopzy02qV2Gf5LuFs=; b=RgleZHHXzA1QNox/OiJtmxPuMlCy1q5QA38sSMw+IUlRW5CeKrgDdL+XxXkSUtCwsc EndCIIy6iu6RNHdGGfNN40Zue0jLgS5DznUk+RRS9t2+luG/FOjbO0rqBR3jmWiqaIWO 2k8VZ8ZA5m1c9BAhTopi78appO8fjbHoJVOnJHNouX/wj8lTdMAlZc6SG4UKePVck3nf aZTZ355cjBItgnbx0A1elqr8W02m6thoCTSV5HhATHL4G91FzRWaCD1KMn0toBT5EC+j olTT/LO9j1OE2ZO4Cf/rh/N6U+5uU5d4t/Wytb4Fzx9RuRiuQt/rLyKysRr5lV9WKpBi Fz0g== X-Gm-Message-State: ACrzQf2zFy4hfsEbcp+pkn6/oivGhAnVu4KU7NH+dzlSZFfKFHjGty/T 8rt8N5vBwA/4vEqynL+LeSs= X-Google-Smtp-Source: AMsMyM4dG4hKzttcx8sac4yQPxAuCp9N3g0k99zv9hMicHD8V+S5LpjBV8yGirFLASDCHSHrpRFvYg== X-Received: by 2002:a17:902:cec1:b0:178:cdb:8458 with SMTP id d1-20020a170902cec100b001780cdb8458mr962068plg.161.1663351147621; Fri, 16 Sep 2022 10:59:07 -0700 (PDT) Received: from youngsil.svl.corp.google.com ([2620:15c:2d4:203:2952:dee7:a35e:6428]) by smtp.gmail.com with ESMTPSA id jo21-20020a170903055500b001767f6f04efsm15059458plb.242.2022.09.16.10.59.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Sep 2022 10:59:07 -0700 (PDT) Sender: Namhyung Kim From: Namhyung Kim To: Arnaldo Carvalho de Melo , Jiri Olsa Cc: Ingo Molnar , Peter Zijlstra , LKML , Ian Rogers , Adrian Hunter , linux-perf-users@vger.kernel.org Subject: [PATCH 2/4] perf tools: Add perf_event__synthesize_{start,stop}() Date: Fri, 16 Sep 2022 10:59:00 -0700 Message-Id: <20220916175902.1155177-3-namhyung@kernel.org> X-Mailer: git-send-email 2.37.3.968.ga6b4b080e4-goog In-Reply-To: <20220916175902.1155177-1-namhyung@kernel.org> References: <20220916175902.1155177-1-namhyung@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" These functions are to prepare and cleanup necessary work for synthesizing. It doesn't do anything yet but later patch will add it. Signed-off-by: Namhyung Kim --- tools/perf/builtin-inject.c | 3 +++ tools/perf/builtin-record.c | 3 +++ tools/perf/builtin-stat.c | 2 ++ tools/perf/builtin-top.c | 4 ++++ tools/perf/util/auxtrace.c | 2 ++ tools/perf/util/synthetic-events.c | 8 ++++++++ tools/perf/util/synthetic-events.h | 3 +++ 7 files changed, 25 insertions(+) diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index e254f18986f7..2e91a887919b 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -2368,9 +2368,12 @@ int cmd_inject(int argc, const char **argv) if (ret < 0) goto out_delete; =20 + perf_event__synthesize_start(); + ret =3D __cmd_inject(&inject); =20 guest_session__exit(&inject.guest_session); + perf_event__synthesize_stop(); =20 out_delete: strlist__delete(inject.known_build_ids); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 02e38f50a138..5b7b9ad2a280 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1966,6 +1966,8 @@ static int record__synthesize(struct record *rec, boo= l tail) if (rec->opts.tail_synthesize !=3D tail) return 0; =20 + perf_event__synthesize_start(); + if (data->is_pipe) { err =3D perf_event__synthesize_for_pipe(tool, session, data, process_synthesized_event); @@ -2072,6 +2074,7 @@ static int record__synthesize(struct record *rec, boo= l tail) } =20 out: + perf_event__synthesize_stop(); return err; } =20 diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index e05fe72c1d87..f6f61e08f4c2 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -962,6 +962,7 @@ static int __run_perf_stat(int argc, const char **argv,= int run_idx) if (err < 0) return err; =20 + perf_event__synthesize_start(); err =3D perf_event__synthesize_stat_events(&stat_config, NULL, evsel_lis= t, process_synthesized_event, is_pipe); if (err < 0) @@ -2641,6 +2642,7 @@ int cmd_stat(int argc, const char **argv) perf_session__write_header(perf_stat.session, evsel_list, fd, true); } =20 + perf_event__synthesize_stop(); evlist__close(evsel_list); perf_session__delete(perf_stat.session); } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index e89208b4ad4b..1eff894e6b5f 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1258,6 +1258,8 @@ static int __cmd_top(struct perf_top *top) #endif } =20 + perf_event__synthesize_start(); + ret =3D perf_event__synthesize_bpf_events(top->session, perf_event__proce= ss, &top->session->machines.host, &top->record_opts); @@ -1273,6 +1275,8 @@ static int __cmd_top(struct perf_top *top) top->evlist->core.threads, true, false, top->nr_threads_synthesize); =20 + perf_event__synthesize_stop(); + if (top->nr_threads_synthesize > 1) perf_set_singlethreaded(); =20 diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index b59c278fe9ed..1bfe076c22fb 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1328,6 +1328,7 @@ int perf_event__process_auxtrace_info(struct perf_ses= sion *session, if (err) return err; =20 + perf_event__synthesize_start(); unleader_auxtrace(session); =20 return 0; @@ -2834,6 +2835,7 @@ void auxtrace__free(struct perf_session *session) if (!session->auxtrace) return; =20 + perf_event__synthesize_stop(); return session->auxtrace->free(session); } =20 diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic= -events.c index 0ff57ca24577..9d4f5dacd154 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -47,6 +47,14 @@ =20 unsigned int proc_map_timeout =3D DEFAULT_PROC_MAP_PARSE_TIMEOUT; =20 +void perf_event__synthesize_start(void) +{ +} + +void perf_event__synthesize_stop(void) +{ +} + int perf_tool__process_synth_event(struct perf_tool *tool, union perf_event *event, struct machine *machine, diff --git a/tools/perf/util/synthetic-events.h b/tools/perf/util/synthetic= -events.h index 53737d1619a4..e4414616080c 100644 --- a/tools/perf/util/synthetic-events.h +++ b/tools/perf/util/synthetic-events.h @@ -43,6 +43,9 @@ int parse_synth_opt(char *str); typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_ev= ent *event, struct perf_sample *sample, struct machine *machine); =20 +void perf_event__synthesize_start(void); +void perf_event__synthesize_stop(void); + int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *ev= list, perf_event__handler_t process); int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_= attr *attr, u32 ids, u64 *id, perf_event__handler_t process); int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *po= s, u16 misc, perf_event__handler_t process, struct machine *machine); --=20 2.37.3.968.ga6b4b080e4-goog