From nobody Wed Dec 17 10:45:01 2025 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 ED4891B95B; Fri, 12 Jul 2024 19:09:43 +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=1720811385; cv=none; b=dV8ezcMfkhzI9So7dXpMMkNoOhc+fV9SWbrJIRpWRKQKCIXa7JofKCRmEUEIFgLOWxZ/BsYEHoRHrSzT4LEPchwc2YZOwDmD/SXo7wEreL6EFkgu7Z6atP0yH+JoFAtjC5QojKMpr8Kc1RPPfolJClsfEm6YUGBP029TZwWNZFk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720811385; c=relaxed/simple; bh=JpAWoEywdKvXlcM9uZ9uglnWMHdk9yJ7slIsntjFc5o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=F++m4T44bQUzWWROhkRypjZMhAFpPgwb9CfSlTyu2r4RE0eUv1RjfAf4mOLsiY7J/+0E3e4gT5LpBlDWELgIN3vony9vuUAeXHKNiwv0sdF2+sY8UoQ9wxCmUP6yE/PP0dMs0EvXNTrRZ4fVeZg+7LE+XDrBFl6uR9W6wEjeP8s= 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=bgyO3rUt; 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="bgyO3rUt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1720811384; x=1752347384; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JpAWoEywdKvXlcM9uZ9uglnWMHdk9yJ7slIsntjFc5o=; b=bgyO3rUtGYfPf0FfhkB049WTMFLleE2XSB13pxF/hKRm3qDIOQRac9LX FiMKU1Hv7BU5ah/hiP5TNTEooKgtO1X1OKRx8xcxIvtFWe9sHj56hEsxQ y5okRtoI9ANPsQjdeepROHumMc34kCv49M+T7KH8SjQRA6CgeAsMPoedo BtKUB05FxJOBTefYJHMn/xwVnwMhZM3s3kPJzNNflI50Ngr44v+GYn6P+ tDZ6c658tlE/4zEdq9Q9rCgQaVEqNBOtve4iwIPUzAzANUDbtIntWOjeO RniIZyAua/cbE7KdNSfaUxKm3IFV6faMxJ5T5T7DOSkxuxPzImRaf+KIS A==; X-CSE-ConnectionGUID: ZnNi/9fkSTO+0ZHGcad8TQ== X-CSE-MsgGUID: nGM2oecESZy2/uS0SrQwPA== X-IronPort-AV: E=McAfee;i="6700,10204,11131"; a="43683016" X-IronPort-AV: E=Sophos;i="6.09,203,1716274800"; d="scan'208";a="43683016" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2024 12:09:42 -0700 X-CSE-ConnectionGUID: yVl1Aw0eT2qeed3yTgYfsg== X-CSE-MsgGUID: XdOV8Ss3TqG3D60pqYUmqA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,203,1716274800"; d="scan'208";a="54187430" Received: from fl31ca102ks0602.deacluster.intel.com (HELO gnr-bkc.deacluster.intel.com) ([10.75.133.163]) by orviesa004.jf.intel.com with ESMTP; 12 Jul 2024 12:09:42 -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 v17 1/8] perf parse-events: Add a retirement latency modifier Date: Fri, 12 Jul 2024 15:09:23 -0400 Message-ID: <20240712190932.417531-2-weilin.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240712190932.417531-1-weilin.wang@intel.com> References: <20240712190932.417531-1-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