From nobody Sun Feb 8 20:00:20 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 B5B4713AD0F; Sat, 6 Jul 2024 23:30:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720308605; cv=none; b=Ot1CGbpn/2w0viHiuXGvERqvnYnrFLbcFt6Lxo/rZweFGFJEoutyT6RZqaEkPfFiXrINcshg5wUgaW4wgf4UbJRHQgP8mJtIurvOOIoHXRuq5BJf55NB28c94KZGu/vkKDBrQXcEcSb3RMZAt6A4O3ueqsHV19au9u9lbLg5x84= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720308605; c=relaxed/simple; bh=JpAWoEywdKvXlcM9uZ9uglnWMHdk9yJ7slIsntjFc5o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UhzGJfniIiz2IGjlbjTrgUKxoKMnXGa3yB4QLoE9xfXGP+Xao6RLcxRcvimtNfU+/absqsV1bNistpwL+GcTpSEPcqKfruxa0Hip9KtC2x5jlisqDc5CsaYwVdJo0kGXxowqwhil4rIek5wVAM7cfc/59B03Tz5fI6Frupeg5XA= 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=IJa/21iS; arc=none smtp.client-ip=192.198.163.7 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="IJa/21iS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1720308604; x=1751844604; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JpAWoEywdKvXlcM9uZ9uglnWMHdk9yJ7slIsntjFc5o=; b=IJa/21iSax6kxt50oc3Dkt43SMgb4e9toTfq4zZMnPpeTs8GE5kFxBr1 pJC/D0X5ZfaVcgoST1m0mA/vE/3T4NgFBzgUqn8UDRDg3kdgsFNQcnF2V +cLhBqRqAoBb5LoKUFilBWbC1DD38e/AEHdNyPUKj5I/tYssfqgkS0UJ1 wIejj+3/1sPnYqYTf0vir9RE2qyHioaZyzBmi4Lhizvz5FpgmNqzM32tc Hv2FVHYAeLRNGqqJdMGlC3Bb5VVKsO4Ia6U+JZEZTJezm/CK3TQpESmjC 626rAvdFIH/5fny8rf9RE1SKBQBV+3VAecXoTb21rYVZJzpkbZQYzwK9v Q==; X-CSE-ConnectionGUID: 5z3x3E/yTcyRMF8lmv78ag== X-CSE-MsgGUID: yJ1LEho6RIi2fe1jGnnyHA== X-IronPort-AV: E=McAfee;i="6700,10204,11125"; a="42971638" X-IronPort-AV: E=Sophos;i="6.09,188,1716274800"; d="scan'208";a="42971638" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2024 16:30:03 -0700 X-CSE-ConnectionGUID: 3bbJ3aHORgGtnYN3cc34cA== X-CSE-MsgGUID: 8HIKquf1Rq+lVflPrkTyXQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,188,1716274800"; d="scan'208";a="78294754" Received: from fl31ca102ks0602.deacluster.intel.com (HELO gnr-bkc.deacluster.intel.com) ([10.75.133.163]) by fmviesa001.fm.intel.com with ESMTP; 06 Jul 2024 16:30:03 -0700 From: weilin.wang@intel.com To: weilin.wang@intel.com, Namhyung Kim , Ian Rogers , Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Kan Liang Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Perry Taylor , Samantha Alt , Caleb Biggers Subject: [RFC PATCH v16 1/8] perf parse-events: Add a retirement latency modifier Date: Sat, 6 Jul 2024 19:29:48 -0400 Message-ID: <20240706232956.304944-2-weilin.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240706232956.304944-1-weilin.wang@intel.com> References: <20240706232956.304944-1-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: Ian Rogers Retirement latency is a separate sampled count used on newer Intel CPUs. Signed-off-by: Ian Rogers Signed-off-by: Weilin Wang --- tools/perf/util/evsel.h | 1 + tools/perf/util/parse-events.c | 2 ++ tools/perf/util/parse-events.h | 1 + tools/perf/util/parse-events.l | 3 ++- 4 files changed, 6 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 80b5f6dd868e..14f777b9e03e 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -98,6 +98,7 @@ struct evsel { bool bpf_counter; bool use_config_name; bool skippable; + bool retire_lat; int bpf_fd; struct bpf_object *bpf_obj; struct list_head config_terms; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 321586fb5556..fab01ba54e34 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1811,6 +1811,8 @@ static int parse_events__modifier_list(struct parse_e= vents_state *parse_state, evsel->weak_group =3D true; if (mod.bpf) evsel->bpf_counter =3D true; + if (mod.retire_lat) + evsel->retire_lat =3D true; } return 0; } diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index e13de2c8b706..b735cd9e0acf 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -203,6 +203,7 @@ struct parse_events_modifier { bool hypervisor : 1; /* 'h' */ bool guest : 1; /* 'G' */ bool host : 1; /* 'H' */ + bool retire_lat : 1; /* 'R' */ }; =20 int parse_events__modifier_event(struct parse_events_state *parse_state, v= oid *loc, diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 16045c383ada..5a0bcd7f166a 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -209,6 +209,7 @@ static int modifiers(struct parse_events_state *parse_s= tate, yyscan_t scanner) CASE('W', weak); CASE('e', exclusive); CASE('b', bpf); + CASE('R', retire_lat); default: return PE_ERROR; } @@ -250,7 +251,7 @@ drv_cfg_term [a-zA-Z0-9_\.]+(=3D[a-zA-Z0-9_*?\.:]+)? * If you add a modifier you need to update check_modifier(). * Also, the letters in modifier_event must not be in modifier_bp. */ -modifier_event [ukhpPGHSDIWeb]{1,15} +modifier_event [ukhpPGHSDIWebR]{1,16} modifier_bp [rwx]{1,3} lc_type (L1-dcache|l1-d|l1d|L1-data|L1-icache|l1-i|l1i|L1-instruction|LLC= |L2|dTLB|d-tlb|Data-TLB|iTLB|i-tlb|Instruction-TLB|branch|branches|bpu|btb|= bpc|node) lc_op_result (load|loads|read|store|stores|write|prefetch|prefetches|specu= lative-read|speculative-load|refs|Reference|ops|access|misses|miss) --=20 2.43.0