From nobody Thu Oct 2 04:45:13 2025 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (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 D9E7F274FF5 for ; Tue, 23 Sep 2025 04:18:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758601134; cv=none; b=lKVwq4NCDYuR6C4Guwg8mbG/cCyKTG8DGiWoYGG5PYUzk0AfQjqYZQ/2nd+7govI3QBQ18XICQUnSaWEQedwK989MIUhzPVNKDQvAd5ui8ZzjgrzabnNjmJb2cnA2Jl3XkY/Egwc4rCc2EYvx2UShcd6dKYNyXq/mbxhb3E0o8Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758601134; c=relaxed/simple; bh=L+pT+AcEatKTFNx03XP2+UW4uPwki5/m42f47BIrFO4=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=dv08/HEpgmr6Nkrek8bVdL0XEUySU426DzIy2Q8RMLXsXJH+TWGzPi5b37ADqI6TzKn90Vh+egaudQT6eyTK+uUtF6XmErCCT68WhRDcMC4EB1DJWZTfWsEQBix+l9pvXgq0ApvHfeuijVT/EZMEUdDOIqEELhrYIq0xNcWALqA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=AMQxi83d; arc=none smtp.client-ip=209.85.215.201 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="AMQxi83d" Received: by mail-pg1-f201.google.com with SMTP id 41be03b00d2f7-b5533921eb2so1964175a12.0 for ; Mon, 22 Sep 2025 21:18:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1758601132; x=1759205932; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=yU89r1Lif32XcTKVN3dVRhkhOuKCxo5EjEhuE/dx2oE=; b=AMQxi83dVVxnXkZDlgiQ667MZQIj5IIGfjgKmt2Ulf9Nui2FfkBPtqub8l0RvFhgYA RVJxYx5yz+Lxn6k/ad8PdpE8dBpqWgkvRj0VqSef9Qz/GnjqUtWzyU5j9yoXXsH6KhVe 1YQkR9tXIs+zTJzBLsQM6EMgb30AwwujvLImIeXv+3e7Nln8Pu58aI0LNCq4JzH0kSuM AothPD1OJedlvxJPVwIMeuv/nJ2N/R8MzcApEXj+n+L+elbDLoHwl8tNyKNXd0U3QUsA 4NLml+TDcajneGozSPqcFGtJCgg5vkC+mLbV0ll+AKHD3PwkVUH6IdYV+Dz4TDnzcGkw auBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758601132; x=1759205932; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yU89r1Lif32XcTKVN3dVRhkhOuKCxo5EjEhuE/dx2oE=; b=G5ETpE2A81cA29Q/BHYeUmhQdQotYtHJ8RVZKAdoOmejea7/tGVWcIgKCGcjS7FEKu CjWXfCr/swVjRI01DJq6pOCRBL5KQ4JGtoo4gplWDy9t8ma+OqvyNDMMaRYTHgEBlFax dhWaxZ0ybWcv2jaCXlrZurAPLQPW0pAsXae64bsnSPRrYBoQrTGph0EKFOav10TT7Wt+ 2UWLLBOKdjc32zZy/8Q5Wvkv6g+dCAJgtoEhgu6Qlyoq+HJiJa6Jidffiu/rJZkIV6TW c9jCNPoMcXzm6uh6ZBXcnjJ3E+SMI3nXJ67X29O67bPZiWVb0nxBCCgPtMpiXralO7Ao k6Rw== X-Forwarded-Encrypted: i=1; AJvYcCXIx7tgLi7LcmXZv/fga3kTikt8ZkkhceSbi6gxAWR1VwLSVRJOwN80AYpJS56uW4gay4LZ0/k4E78KsQ8=@vger.kernel.org X-Gm-Message-State: AOJu0Yw7+7jBGY3xuFIoTK+Yq7++0Wxt+ZzTEFCFlngQs00STa4XcEbr dR/0hned+bMSLUlLT5G1G9k3hqFtkTtqUMO4Z0UKCV/9esGMvXXA4NMqtYD3/1TEjs9og6+WKRt F2iwgCK50lQ== X-Google-Smtp-Source: AGHT+IHt1YpfmJ/hoDdTTUoTBZxbLuXJsdaqngBJF9rDVpAKojmfWFxniP+wqcGd8RPfzriVghi47oF1PXFE X-Received: from pgao189.prod.google.com ([2002:a63:41c6:0:b0:b55:c92:92c1]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:3ca6:b0:248:4d59:93d4 with SMTP id adf61e73a8af0-2cffc6461a9mr1771977637.45.1758601132116; Mon, 22 Sep 2025 21:18:52 -0700 (PDT) Date: Mon, 22 Sep 2025 21:18:21 -0700 In-Reply-To: <20250923041844.400164-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250923041844.400164-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.534.gc79095c0ca-goog Message-ID: <20250923041844.400164-3-irogers@google.com> Subject: [PATCH v5 02/25] perf parse-events: Fix legacy cache events if event is duplicated in a PMU From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Xu Yang , Thomas Falcon , Andi Kleen , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org, Atish Patra , Beeman Strong , Leo Yan , Vince Weaver Cc: Thomas Richter Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The term list when adding an event to a PMU is expected to have the event name for the alias lookup. Also, set found_supported so that -EINVAL isn't returned. Fixes: 62593394f66a ("perf parse-events: Legacy cache names on all PMUs and lower priority") Tested-by: Thomas Richter Signed-off-by: Ian Rogers --- tools/perf/util/parse-events.c | 28 +++++++++++++++++++++++++++- tools/perf/util/parse-events.h | 3 ++- tools/perf/util/parse-events.y | 2 +- 3 files changed, 30 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 452f12191f6e..d5675471afc5 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -475,8 +475,10 @@ static int parse_events_add_pmu(struct parse_events_st= ate *parse_state, =20 int parse_events_add_cache(struct list_head *list, int *idx, const char *n= ame, struct parse_events_state *parse_state, - struct parse_events_terms *parsed_terms) + struct parse_events_terms *parsed_terms, + void *loc_) { + YYLTYPE *loc =3D loc_; struct perf_pmu *pmu =3D NULL; bool found_supported =3D false; const char *config_name =3D get_config_name(parsed_terms); @@ -497,12 +499,36 @@ int parse_events_add_cache(struct list_head *list, in= t *idx, const char *name, * The PMU has the event so add as not a legacy cache * event. */ + struct parse_events_terms temp_terms; + struct parse_events_term *term; + char *config =3D strdup(name); + + if (!config) + goto out_err; + + parse_events_terms__init(&temp_terms); + if (!parsed_terms) + parsed_terms =3D &temp_terms; + + if (parse_events_term__num(&term, + PARSE_EVENTS__TERM_TYPE_USER, + config, /*num=3D*/1, /*novalue=3D*/true, + loc, /*loc_val=3D*/NULL) < 0) { + zfree(&config); + goto out_err; + } + list_add(&term->list, &parsed_terms->terms); + ret =3D parse_events_add_pmu(parse_state, list, pmu, parsed_terms, first_wildcard_match, /*alternate_hw_config=3D*/PERF_COUNT_HW_MAX); + list_del_init(&term->list); + parse_events_term__delete(term); + parse_events_terms__exit(&temp_terms); if (ret) goto out_err; + found_supported =3D true; if (first_wildcard_match =3D=3D NULL) first_wildcard_match =3D container_of(list->prev, struct evsel, core.node); diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index a5c5fc39fd6f..be8d2ac1e4e4 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -236,7 +236,8 @@ int parse_events_add_numeric(struct parse_events_state = *parse_state, bool wildcard); int parse_events_add_cache(struct list_head *list, int *idx, const char *n= ame, struct parse_events_state *parse_state, - struct parse_events_terms *parsed_terms); + struct parse_events_terms *parsed_terms, + void *loc); int parse_events__decode_legacy_cache(const char *name, int pmu_type, __u6= 4 *config); int parse_events_add_breakpoint(struct parse_events_state *parse_state, struct list_head *list, diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index a2361c0040d7..ced26c549c33 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -353,7 +353,7 @@ PE_LEGACY_CACHE opt_event_config if (!list) YYNOMEM; =20 - err =3D parse_events_add_cache(list, &parse_state->idx, $1, parse_state, = $2); + err =3D parse_events_add_cache(list, &parse_state->idx, $1, parse_state, = $2, &@1); =20 parse_events_terms__delete($2); free($1); --=20 2.51.0.534.gc79095c0ca-goog