From nobody Mon Feb 9 03:11:27 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD97117BC8; Fri, 9 Feb 2024 03:14:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707448500; cv=none; b=YzdRlW44EiA7EqkxrSv9D1fqoa13lhsrECxNsgpvWMRCe7Vz14vZO+a3ZUe2GRmF59W2gxW9+ySeJ+I7dwcYMfwce3kLa1elNsOOY/OMqbWm6OaxN7ZjyeUk3HTgF2bzgAd4tWGn3uXrKZ9u9Zbo4jIY4w3lZAg41PAU+Qyg6oM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707448500; c=relaxed/simple; bh=vOPR8LxQn3WFF9Ql8k9wlrgDI26EFBXQsZ+EoLn19bY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LBKoshao74JjdfzhATgzKZFmFnbZTZ+crjNgxtc7BQnfysXtx+OufoXv1sjFiH7K4UvcG5dtttxTPfxry5Zgka+sZapfJrsVeDHhjVloi8mgQhVHsk4YKvsQZAjLhRDzA2GSm5Br6RgX/10lbLfhrKqmkXHHn2h6U+HDAI/yd34= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=JohPDLCg; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="JohPDLCg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707448499; x=1738984499; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vOPR8LxQn3WFF9Ql8k9wlrgDI26EFBXQsZ+EoLn19bY=; b=JohPDLCgpzm4TsCU0oLQP7vwSbhqTbKm3ZVSGIJI1LCnhba8Ef+PsI1c OgG/J9KXdTYKPtdV5prmSettj8rjbEabGiIN1+JQj26hShThU1FTPwW/C a3QnQVeoeJd3hgre6h8nDWcFk8YM/boNAEUF+0r+w8Xyz/ef49O67XViV q47XO5grPHSJINMrZUdOUVEIHaui0irK9jGJzjK9N2IYYl0sBD5K9FHJo N4rJ7GOwPGacSex6/SLMCtso/Kakoz4aeQiMVfhteqVH1YYlIloAB84n3 560VYjipKK1omzGRb5jqZgCNwCIQ5TsEDOyc3SGOtwSdeeuBex8rUG3vY w==; X-IronPort-AV: E=McAfee;i="6600,9927,10978"; a="1257952" X-IronPort-AV: E=Sophos;i="6.05,255,1701158400"; d="scan'208";a="1257952" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2024 19:14:49 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,255,1701158400"; d="scan'208";a="32631461" Received: from b49691a74b80.jf.intel.com ([10.165.54.183]) by orviesa002.jf.intel.com with ESMTP; 08 Feb 2024 19:14:48 -0800 From: weilin.wang@intel.com To: weilin.wang@intel.com, Ian Rogers , Kan Liang , Namhyung Kim , Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , Adrian Hunter Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Perry Taylor , Samantha Alt , Caleb Biggers , Mark Rutland Subject: [RFC PATCH v4 14/15] perf stat: Add tool events support in hardware-grouping Date: Thu, 8 Feb 2024 19:14:40 -0800 Message-ID: <20240209031441.943012-15-weilin.wang@intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240209031441.943012-1-weilin.wang@intel.com> References: <20240209031441.943012-1-weilin.wang@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Weilin Wang Add tool events into default_core grouping strings if find tool events so that metrics use tool events could be correctly calculated. Need this step to support TopdownL4-L5. Signed-off-by: Weilin Wang --- tools/perf/util/metricgroup.c | 49 ++++++++++++++++++++++++++++++++++- 1 file changed, 48 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index cfdbb5f7fb77..e5b8456d0405 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -1486,6 +1486,35 @@ static void find_tool_events(const struct list_head = *metric_list, } } =20 +/** + * get_tool_event_str - Generate and return a string with all the used tool + * event names. + */ +static int get_tool_event_str(struct strbuf *events, + const bool tool_events[PERF_TOOL_MAX], + bool *has_tool_event) +{ + int i =3D 0; + int ret; + + perf_tool_event__for_each_event(i) { + if (tool_events[i]) { + const char *tmp =3D strdup(perf_tool_event__to_str(i)); + + if (!tmp) + return -ENOMEM; + *has_tool_event =3D true; + ret =3D strbuf_addstr(events, ","); + if (ret) + return ret; + ret =3D strbuf_addstr(events, tmp); + if (ret) + return ret; + } + } + return 0; +} + /** * build_combined_expr_ctx - Make an expr_parse_ctx with all !group_events * metric IDs, as the IDs are held in a set, @@ -2049,6 +2078,7 @@ static int assign_event_grouping(struct metricgroup__= event_info *e, =20 static int hw_aware_metricgroup__build_event_string(struct list_head *grou= p_strs, const char *modifier, + const bool tool_events[PERF_TOOL_MAX], struct list_head *groups) { struct metricgroup__pmu_group_list *p; @@ -2056,8 +2086,12 @@ static int hw_aware_metricgroup__build_event_string(= struct list_head *group_strs struct metricgroup__group_events *ge; bool no_group =3D true; int ret =3D 0; + struct strbuf tool_event_str =3D STRBUF_INIT; + bool has_tool_event =3D false; =20 #define RETURN_IF_NON_ZERO(x) do { if (x) return x; } while (0) + ret =3D get_tool_event_str(&tool_event_str, tool_events, &has_tool_event); + RETURN_IF_NON_ZERO(ret); =20 list_for_each_entry(p, groups, nd) { list_for_each_entry(g, &p->group_head, nd) { @@ -2129,6 +2163,12 @@ static int hw_aware_metricgroup__build_event_string(= struct list_head *group_strs } ret =3D strbuf_addf(events, "}:W"); RETURN_IF_NON_ZERO(ret); + + if (!strcmp(p->pmu_name, "default_core") && has_tool_event) { + ret =3D strbuf_addstr(events, tool_event_str.buf); + RETURN_IF_NON_ZERO(ret); + } + pr_debug("events-buf: %s\n", events->buf); list_add_tail(&new_group_str->nd, group_strs); } @@ -2214,6 +2254,7 @@ static int hw_aware_build_grouping(struct expr_parse_= ctx *ctx, if (ret) goto err_out; } + ret =3D get_pmu_counter_layouts(&pmu_info_list, ltable); if (ret) goto err_out; @@ -2259,6 +2300,7 @@ static void metricgroup__free_grouping_strs(struct li= st_head */ static int hw_aware_parse_ids(struct perf_pmu *fake_pmu, struct expr_parse_ctx *ids, const char *modifier, + const bool tool_events[PERF_TOOL_MAX], struct evlist **out_evlist) { struct parse_events_error parse_error; @@ -2272,7 +2314,8 @@ static int hw_aware_parse_ids(struct perf_pmu *fake_p= mu, ret =3D hw_aware_build_grouping(ids, &grouping); if (ret) goto out; - ret =3D hw_aware_metricgroup__build_event_string(&grouping_str, modifier,= &grouping); + ret =3D hw_aware_metricgroup__build_event_string(&grouping_str, modifier, + tool_events, &grouping); if (ret) goto out; =20 @@ -2407,6 +2450,7 @@ static int hw_aware_parse_groups(struct evlist *perf_= evlist, struct evlist *combined_evlist =3D NULL; LIST_HEAD(metric_list); struct metric *m; + bool tool_events[PERF_TOOL_MAX] =3D {false}; int ret; bool metric_no_group =3D false; bool metric_no_merge =3D false; @@ -2425,11 +2469,14 @@ static int hw_aware_parse_groups(struct evlist *per= f_evlist, if (!metric_no_merge) { struct expr_parse_ctx *combined =3D NULL; =20 + find_tool_events(&metric_list, tool_events); + ret =3D hw_aware_build_combined_expr_ctx(&metric_list, &combined); =20 if (!ret && combined && hashmap__size(combined->ids)) { ret =3D hw_aware_parse_ids(fake_pmu, combined, /*modifier=3D*/NULL, + tool_events, &combined_evlist); } =20 --=20 2.42.0