From nobody Fri Dec 26 21:32:41 2025 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC3D619456 for ; Wed, 3 Jan 2024 05:07:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="PKQUbfZH" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-5e7547e98f1so1246207b3.1 for ; Tue, 02 Jan 2024 21:07:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1704258439; x=1704863239; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=PA13oPnluY+bIY9Ysjo0GTNxFtgbE54vXpmYMke2z4Q=; b=PKQUbfZHGMHG5o+bqo3aDdvhx6tA4pfEtqK0GA8y/m8EviWeHeKi2yrqeIQX0nsdR2 fnOr5BQ78PklqszzNwQY2vOjtSrqtayyhGJguxVglm+gA8TBD28jzovNNBfKoVlftVPI 5lc5N8hpu4ZnI8wWXGL8UuyNXz5iy9sHO8RSWDczhDUjSsMiQnrPzzvkf3Y9k6Qqfy4R ErF5eWeAwbTYm3Zmgtvt50QbR82arkeM0UoCj3+n/8+bXHulEGbeEaLYkdGJR/vFLlZL iD3qMiJ4BYKbw+dlIYzAIOCXnfajGEU2I4NQvX4iL/MFlDNv3h2o1spZS++PTVhbE6sI AbwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704258439; x=1704863239; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=PA13oPnluY+bIY9Ysjo0GTNxFtgbE54vXpmYMke2z4Q=; b=hXXrUYIurspGudAcuE4xPfglvP3Hn3IBS2CebEvoTH4+vKINVXUwTJhPB3JsWpRk1Y D6uTnGfDWM3zM/6AJ5Vkozz29hIE2UEQZHRyu3SNpJcWTFHzPCStnO/j7BAVDFij5yUC PbBZwTnO5Ume6GSQeVQiG9/IPT1vACNDiAZ4CUSh9MPOh0RH7KsH16ZysDIqD0FUXMzT xYK3LSwSSwtf//5I4a1sDbPTz//9tfAzlMHbiMJLz78SYQMKR9mq3YXC8rL/+1UIFoS2 JRJRBa1BOWd6MXgEZIu/G9BRbh5FK4xRH0B4uaJK3Eq0eymuX9LTQCzqhrfCTG+qK/78 bA0A== X-Gm-Message-State: AOJu0YyVgxoHs3w3sWuVVXkf0kIEm9FitfGs+87+gHXGCBnJFublZwtJ ENBp/r1UGPRsZ6S4ovIF+tsZODKcak/rEg/JgWA= X-Google-Smtp-Source: AGHT+IFta5rMU3D2N4PcUaXJq9pf3delHme2scDpMtoTH5WFsEgsxAJ9KoWap57TuqZdEYpE6j8ktbQGypGr X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:e2bd:f1f6:8ea6:8d6c]) (user=irogers job=sendgmr) by 2002:a05:690c:c0d:b0:5e6:f5a:bf71 with SMTP id cl13-20020a05690c0c0d00b005e60f5abf71mr317291ywb.3.1704258438810; Tue, 02 Jan 2024 21:07:18 -0800 (PST) Date: Tue, 2 Jan 2024 21:06:24 -0800 In-Reply-To: <20240103050635.391888-1-irogers@google.com> Message-Id: <20240103050635.391888-15-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240103050635.391888-1-irogers@google.com> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog Subject: [PATCH v7 14/25] perf dsos: Attempt to better abstract dsos internals From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Nick Terrell , Kan Liang , Andi Kleen , Kajol Jain , Athira Rajeev , Huacai Chen , Masami Hiramatsu , Vincent Whitchurch , "Steinar H. Gunderson" , Liam Howlett , Miguel Ojeda , Colin Ian King , Dmitrii Dolgov <9erthalion6@gmail.com>, Yang Jihong , Ming Wang , James Clark , K Prateek Nayak , Sean Christopherson , Leo Yan , Ravi Bangoria , German Gomez , Changbin Du , Paolo Bonzini , Li Dong , Sandipan Das , liuwenyu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Guilherme Amadio Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Move functions from machine and build-id to dsos. Pass dsos struct rather than internal state. Rename some functions to better represent which data structure they operate on. Signed-off-by: Ian Rogers --- tools/perf/builtin-inject.c | 2 +- tools/perf/builtin-record.c | 2 +- tools/perf/util/build-id.c | 38 +--------------------------- tools/perf/util/build-id.h | 2 -- tools/perf/util/dso.h | 6 ----- tools/perf/util/dsos.c | 49 ++++++++++++++++++++++++++++++++++--- tools/perf/util/dsos.h | 19 +++++++++++--- tools/perf/util/machine.c | 40 ++++++------------------------ tools/perf/util/machine.h | 2 ++ tools/perf/util/session.c | 21 ++++++++++++++++ tools/perf/util/session.h | 2 ++ 11 files changed, 97 insertions(+), 86 deletions(-) diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index eb3ef5c24b66..ef73317e6ae7 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -2122,7 +2122,7 @@ static int __cmd_inject(struct perf_inject *inject) */ if (perf_header__has_feat(&session->header, HEADER_BUILD_ID) && inject->have_auxtrace && !inject->itrace_synth_opts.set) - dsos__hit_all(session); + perf_session__dsos_hit_all(session); /* * The AUX areas have been removed and replaced with * synthesized hardware events, so clear the feature flag. diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index a89013c44fd5..cdeba474eaf6 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1787,7 +1787,7 @@ record__finish_output(struct record *rec) process_buildids(rec); =20 if (rec->buildid_all) - dsos__hit_all(rec->session); + perf_session__dsos_hit_all(rec->session); } perf_session__write_header(rec->session, rec->evlist, fd, true); =20 diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 03c64b85383b..a617b1917e6b 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -390,42 +390,6 @@ int perf_session__write_buildid_table(struct perf_sess= ion *session, return err; } =20 -static int __dsos__hit_all(struct list_head *head) -{ - struct dso *pos; - - list_for_each_entry(pos, head, node) - pos->hit =3D true; - - return 0; -} - -static int machine__hit_all_dsos(struct machine *machine) -{ - return __dsos__hit_all(&machine->dsos.head); -} - -int dsos__hit_all(struct perf_session *session) -{ - struct rb_node *nd; - int err; - - err =3D machine__hit_all_dsos(&session->machines.host); - if (err) - return err; - - for (nd =3D rb_first_cached(&session->machines.guests); nd; - nd =3D rb_next(nd)) { - struct machine *pos =3D rb_entry(nd, struct machine, rb_node); - - err =3D machine__hit_all_dsos(pos); - if (err) - return err; - } - - return 0; -} - void disable_buildid_cache(void) { no_buildid_cache =3D true; @@ -992,7 +956,7 @@ int perf_session__cache_build_ids(struct perf_session *= session) =20 static bool machine__read_build_ids(struct machine *machine, bool with_hit= s) { - return __dsos__read_build_ids(&machine->dsos.head, with_hits); + return __dsos__read_build_ids(&machine->dsos, with_hits); } =20 bool perf_session__read_build_ids(struct perf_session *session, bool with_= hits) diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h index 4e3a1169379b..3fa8bffb07ca 100644 --- a/tools/perf/util/build-id.h +++ b/tools/perf/util/build-id.h @@ -39,8 +39,6 @@ int build_id__mark_dso_hit(struct perf_tool *tool, union = perf_event *event, struct perf_sample *sample, struct evsel *evsel, struct machine *machine); =20 -int dsos__hit_all(struct perf_session *session); - int perf_event__inject_buildid(struct perf_tool *tool, union perf_event *e= vent, struct perf_sample *sample, struct evsel *evsel, struct machine *machine); diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 33a41bcea335..2b9cf9177085 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -232,12 +232,6 @@ struct dso { #define dso__for_each_symbol(dso, pos, n) \ symbols__for_each_entry(&(dso)->symbols, pos, n) =20 -#define dsos__for_each_with_build_id(pos, head) \ - list_for_each_entry(pos, head, node) \ - if (!pos->has_build_id) \ - continue; \ - else - static inline void dso__set_loaded(struct dso *dso) { dso->loaded =3D true; diff --git a/tools/perf/util/dsos.c b/tools/perf/util/dsos.c index cf80aa42dd07..e65ef6762bed 100644 --- a/tools/perf/util/dsos.c +++ b/tools/perf/util/dsos.c @@ -12,6 +12,35 @@ #include // filename__read_build_id #include =20 +void dsos__init(struct dsos *dsos) +{ + INIT_LIST_HEAD(&dsos->head); + dsos->root =3D RB_ROOT; + init_rwsem(&dsos->lock); +} + +static void dsos__purge(struct dsos *dsos) +{ + struct dso *pos, *n; + + down_write(&dsos->lock); + + list_for_each_entry_safe(pos, n, &dsos->head, node) { + RB_CLEAR_NODE(&pos->rb_node); + pos->root =3D NULL; + list_del_init(&pos->node); + dso__put(pos); + } + + up_write(&dsos->lock); +} + +void dsos__exit(struct dsos *dsos) +{ + dsos__purge(dsos); + exit_rwsem(&dsos->lock); +} + static int __dso_id__cmp(struct dso_id *a, struct dso_id *b) { if (a->maj > b->maj) return -1; @@ -73,8 +102,9 @@ int dso__cmp_id(struct dso *a, struct dso *b) return __dso_id__cmp(&a->id, &b->id); } =20 -bool __dsos__read_build_ids(struct list_head *head, bool with_hits) +bool __dsos__read_build_ids(struct dsos *dsos, bool with_hits) { + struct list_head *head =3D &dsos->head; bool have_build_id =3D false; struct dso *pos; struct nscookie nsc; @@ -303,9 +333,10 @@ struct dso *dsos__findnew_id(struct dsos *dsos, const = char *name, struct dso_id return dso; } =20 -size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, +size_t __dsos__fprintf_buildid(struct dsos *dsos, FILE *fp, bool (skip)(struct dso *dso, int parm), int parm) { + struct list_head *head =3D &dsos->head; struct dso *pos; size_t ret =3D 0; =20 @@ -320,8 +351,9 @@ size_t __dsos__fprintf_buildid(struct list_head *head, = FILE *fp, return ret; } =20 -size_t __dsos__fprintf(struct list_head *head, FILE *fp) +size_t __dsos__fprintf(struct dsos *dsos, FILE *fp) { + struct list_head *head =3D &dsos->head; struct dso *pos; size_t ret =3D 0; =20 @@ -331,3 +363,14 @@ size_t __dsos__fprintf(struct list_head *head, FILE *f= p) =20 return ret; } + +int __dsos__hit_all(struct dsos *dsos) +{ + struct list_head *head =3D &dsos->head; + struct dso *pos; + + list_for_each_entry(pos, head, node) + pos->hit =3D true; + + return 0; +} diff --git a/tools/perf/util/dsos.h b/tools/perf/util/dsos.h index 5dbec2bc6966..1c81ddf07f8f 100644 --- a/tools/perf/util/dsos.h +++ b/tools/perf/util/dsos.h @@ -21,6 +21,15 @@ struct dsos { struct rw_semaphore lock; }; =20 +#define dsos__for_each_with_build_id(pos, head) \ + list_for_each_entry(pos, head, node) \ + if (!pos->has_build_id) \ + continue; \ + else + +void dsos__init(struct dsos *dsos); +void dsos__exit(struct dsos *dsos); + void __dsos__add(struct dsos *dsos, struct dso *dso); void dsos__add(struct dsos *dsos, struct dso *dso); struct dso *__dsos__addnew(struct dsos *dsos, const char *name); @@ -28,13 +37,15 @@ struct dso *__dsos__find(struct dsos *dsos, const char = *name, bool cmp_short); =20 struct dso *dsos__findnew_id(struct dsos *dsos, const char *name, struct d= so_id *id); =20 +bool __dsos__read_build_ids(struct dsos *dsos, bool with_hits); + struct dso *__dsos__findnew_link_by_longname_id(struct rb_root *root, stru= ct dso *dso, const char *name, struct dso_id *id); =20 -bool __dsos__read_build_ids(struct list_head *head, bool with_hits); - -size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, +size_t __dsos__fprintf_buildid(struct dsos *dsos, FILE *fp, bool (skip)(struct dso *dso, int parm), int parm); -size_t __dsos__fprintf(struct list_head *head, FILE *fp); +size_t __dsos__fprintf(struct dsos *dsos, FILE *fp); + +int __dsos__hit_all(struct dsos *dsos); =20 #endif /* __PERF_DSOS */ diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index e668a97255f8..d235d65fb35b 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -48,13 +48,6 @@ static struct dso *machine__kernel_dso(struct machine *m= achine) return map__dso(machine->vmlinux_map); } =20 -static void dsos__init(struct dsos *dsos) -{ - INIT_LIST_HEAD(&dsos->head); - dsos->root =3D RB_ROOT; - init_rwsem(&dsos->lock); -} - static int machine__set_mmap_name(struct machine *machine) { if (machine__is_host(machine)) @@ -165,28 +158,6 @@ struct machine *machine__new_kallsyms(void) return machine; } =20 -static void dsos__purge(struct dsos *dsos) -{ - struct dso *pos, *n; - - down_write(&dsos->lock); - - list_for_each_entry_safe(pos, n, &dsos->head, node) { - RB_CLEAR_NODE(&pos->rb_node); - pos->root =3D NULL; - list_del_init(&pos->node); - dso__put(pos); - } - - up_write(&dsos->lock); -} - -static void dsos__exit(struct dsos *dsos) -{ - dsos__purge(dsos); - exit_rwsem(&dsos->lock); -} - void machine__delete_threads(struct machine *machine) { threads__remove_all_threads(&machine->threads); @@ -906,11 +877,11 @@ static struct map *machine__addnew_module_map(struct = machine *machine, u64 start size_t machines__fprintf_dsos(struct machines *machines, FILE *fp) { struct rb_node *nd; - size_t ret =3D __dsos__fprintf(&machines->host.dsos.head, fp); + size_t ret =3D __dsos__fprintf(&machines->host.dsos, fp); =20 for (nd =3D rb_first_cached(&machines->guests); nd; nd =3D rb_next(nd)) { struct machine *pos =3D rb_entry(nd, struct machine, rb_node); - ret +=3D __dsos__fprintf(&pos->dsos.head, fp); + ret +=3D __dsos__fprintf(&pos->dsos, fp); } =20 return ret; @@ -919,7 +890,7 @@ size_t machines__fprintf_dsos(struct machines *machines= , FILE *fp) size_t machine__fprintf_dsos_buildid(struct machine *m, FILE *fp, bool (skip)(struct dso *dso, int parm), int parm) { - return __dsos__fprintf_buildid(&m->dsos.head, fp, skip, parm); + return __dsos__fprintf_buildid(&m->dsos, fp, skip, parm); } =20 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, @@ -3281,3 +3252,8 @@ bool machine__is_lock_function(struct machine *machin= e, u64 addr) =20 return false; } + +int machine__hit_all_dsos(struct machine *machine) +{ + return __dsos__hit_all(&machine->dsos); +} diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index e28c787616fe..05927aa3e813 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -306,4 +306,6 @@ int machine__map_x86_64_entry_trampolines(struct machin= e *machine, int machine__resolve(struct machine *machine, struct addr_location *al, struct perf_sample *sample); =20 +int machine__hit_all_dsos(struct machine *machine); + #endif /* __PERF_MACHINE_H */ diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 199d3e8df315..e7b5d360a212 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -2906,3 +2906,24 @@ int perf_event__process_id_index(struct perf_session= *session, } return 0; } + +int perf_session__dsos_hit_all(struct perf_session *session) +{ + struct rb_node *nd; + int err; + + err =3D machine__hit_all_dsos(&session->machines.host); + if (err) + return err; + + for (nd =3D rb_first_cached(&session->machines.guests); nd; + nd =3D rb_next(nd)) { + struct machine *pos =3D rb_entry(nd, struct machine, rb_node); + + err =3D machine__hit_all_dsos(pos); + if (err) + return err; + } + + return 0; +} diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index ee3715e8563b..25c0d6c9cac9 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -154,6 +154,8 @@ int perf_session__deliver_synth_event(struct perf_sessi= on *session, union perf_event *event, struct perf_sample *sample); =20 +int perf_session__dsos_hit_all(struct perf_session *session); + int perf_event__process_id_index(struct perf_session *session, union perf_event *event); =20 --=20 2.43.0.472.g3155946c3a-goog