From nobody Thu Sep 18 04:02:50 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 C2DC22264AB for ; Fri, 29 Aug 2025 04:11:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756440706; cv=none; b=KQsc3LFVmmYxlSrttDFNsTYFXzSoM35ENcsSQpIEOH26vOEXqRpyhx0NQAFT8t9n6i91BTKbiqfKdLufQ9EG8G67B3Imx9nGyaizYmLnhmij1Xm1p8GfeMKNIW3/3bbLfEgZfoqjEqLKcpwuRUM/yAn6jSEbpKxLRqoYfLoMomM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756440706; c=relaxed/simple; bh=JVvQ5aWyqS8ABkGdJPYJAdFSP+crBiS5W5abbZcmtwk=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=eEo0HaWpLdKpCgFnT5ecjG485zq0KgD+2FSYIG1mXgaptSUTjByYaIQxMf2FeGpBduBW2rbcYwBaOZecxi27Y85rufeWUEOQ0KO5n9naClIfKHG7uyT+016do4CKAPpqmdxdDCqoJvGQIAAEISJnTeopeeToSCLuzr8j5i8TxGY= 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=mCJz0U6h; arc=none smtp.client-ip=209.85.214.202 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="mCJz0U6h" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-248f7745075so14038475ad.3 for ; Thu, 28 Aug 2025 21:11:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756440704; x=1757045504; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=J11/c7k6d7NRkZubqaZjO1lfgt3+pUlQA9Rm7sQ3hB8=; b=mCJz0U6hLGumUFn4lP0MQYSJJHtijwVASyoOSGH3SpOiiOwgzpZafvy4J8i3pW8u4P PprdkC0bo4ZZ0RV2j0vX7BoD1KEYmNdkFcFgM1UZxIv5egbxBXzV/7DQsD/5nbIdvcJI S7DPSr5g++mEVVTOWyV1TBnZK8Fy+PN09sr7LY5gIy3zsFgV2aL3xN/UpsTzkp64QTQW 2wC12NP1wb/MhHWUnIMaMpH0huVqoSlijwQeJmEW5LGTul8VtvnZM4mzK23oARwxUEoy AhYNCfGzPm/z7DhPhL71mGAIxzmCG8YixnXB1nwMsn8RG1rE49Y5cjDHcrxptG5GVTGi eRoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756440704; x=1757045504; h=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=J11/c7k6d7NRkZubqaZjO1lfgt3+pUlQA9Rm7sQ3hB8=; b=cSOInvtVKM35tQsndaI2SIyj9IplpJI7OvOpPuZANYGkH/ynuJzMxQq5QVqsnEahtp OvNyaJ68npMshLyIlr/qayq1TPUZAELIaDDdnqa1J0yMCbnVVRiNXEjugzwZK8npz/1C QBfzc9mbVpy0b4yxk3ZUGg/WTB5WiPqM0ixz60l+eM7U1Kmx7IfnnwOy9p9qVTJBOsAO FHaMEEwcEJ4x5sxtTmbIKzTT8Rmqc6D+REAiz6KlNTXeQtdag5e4W6Bx83RbYrkc39nf XyZN5wtklPI3HXADyMrw27mXV1EAzg0dF3cAvoNmkWP6564NVY3uXEx8VZ2ju6oSYAY+ ESRw== X-Forwarded-Encrypted: i=1; AJvYcCXxVKCAB87H13OvkasCFPewIddw3y7RPTjCWn7MJwxXi7hHYJp9OPGnCSANTIxyaDU1gxYPUnRgFnIznKM=@vger.kernel.org X-Gm-Message-State: AOJu0YxWMaaw7Uz6kRvsTLU/kNx4QFRntLg0FwrgyMm8dm4N5+qW2gn9 OWWxaoPxDQDNswOx77QBdH3r7bJ0n2m0G+5SWWOgnJIGnjNnS5VZrk8uYJkvAeRCuk5e+4DndUW kqLYjPMnFkg== X-Google-Smtp-Source: AGHT+IHFTTxHsWmKNhUSnlrlYAzP8F9m9gYEW5W/LHMaOY+uFVOd1rPMKJ56T26sIn1vCi2rmYMG8qCLMFGo X-Received: from plbkg5.prod.google.com ([2002:a17:903:605:b0:246:9673:3625]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2389:b0:249:18a:baad with SMTP id d9443c01a7336-249018abd51mr39805395ad.1.1756440704070; Thu, 28 Aug 2025 21:11:44 -0700 (PDT) Date: Thu, 28 Aug 2025 21:10:49 -0700 In-Reply-To: <20250829041104.4186320-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250829041104.4186320-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.318.gd7df087d1a-goog Message-ID: <20250829041104.4186320-9-irogers@google.com> Subject: [PATCH v5 08/22] perf jevents: Add software prefetch (swpf) metric group for Intel 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 , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, John Garry , Jing Zhang , Sandipan Das , Benjamin Gray , Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Thomas Falcon Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add metrics that breakdown software prefetch instruction use. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 65 ++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 53b9606ef1a2..cfeafb58e8b4 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -261,6 +261,70 @@ def IntelBr(): description=3D"breakdown of retired branch instructio= ns") =20 =20 +def IntelSwpf() -> Optional[MetricGroup]: + ins =3D Event("instructions") + try: + s_ld =3D Event("MEM_INST_RETIRED.ALL_LOADS", "MEM_UOPS_RETIRED.ALL_LOA= DS") + s_nta =3D Event("SW_PREFETCH_ACCESS.NTA") + s_t0 =3D Event("SW_PREFETCH_ACCESS.T0") + s_t1 =3D Event("SW_PREFETCH_ACCESS.T1_T2") + s_w =3D Event("SW_PREFETCH_ACCESS.PREFETCHW") + except: + return None + + all_sw =3D s_nta + s_t0 + s_t1 + s_w + swp_r =3D d_ratio(all_sw, interval_sec) + ins_r =3D d_ratio(ins, all_sw) + ld_r =3D d_ratio(s_ld, all_sw) + + return MetricGroup("lpm_swpf", [ + MetricGroup("lpm_swpf_totals", [ + Metric("lpm_swpf_totals_exec", "Software prefetch instructions p= er second", + swp_r, "swpf/s"), + Metric("lpm_swpf_totals_insn_per_pf", + "Average number of instructions between software prefetch= es", + ins_r, "insn/swpf"), + Metric("lpm_swpf_totals_loads_per_pf", + "Average number of loads between software prefetches", + ld_r, "loads/swpf"), + ]), + MetricGroup("lpm_swpf_bkdwn", [ + MetricGroup("lpm_swpf_bkdwn_nta", [ + Metric("lpm_swpf_bkdwn_nta_per_swpf", + "Software prefetch NTA instructions as a percent of a= ll prefetch instructions", + d_ratio(s_nta, all_sw), "100%"), + Metric("lpm_swpf_bkdwn_nta_rate", + "Software prefetch NTA instructions per second", + d_ratio(s_nta, interval_sec), "insn/s"), + ]), + MetricGroup("lpm_swpf_bkdwn_t0", [ + Metric("lpm_swpf_bkdwn_t0_per_swpf", + "Software prefetch T0 instructions as a percent of al= l prefetch instructions", + d_ratio(s_t0, all_sw), "100%"), + Metric("lpm_swpf_bkdwn_t0_rate", + "Software prefetch T0 instructions per second", + d_ratio(s_t0, interval_sec), "insn/s"), + ]), + MetricGroup("lpm_swpf_bkdwn_t1_t2", [ + Metric("lpm_swpf_bkdwn_t1_t2_per_swpf", + "Software prefetch T1 or T2 instructions as a percent= of all prefetch instructions", + d_ratio(s_t1, all_sw), "100%"), + Metric("lpm_swpf_bkdwn_t1_t2_rate", + "Software prefetch T1 or T2 instructions per second", + d_ratio(s_t1, interval_sec), "insn/s"), + ]), + MetricGroup("lpm_swpf_bkdwn_w", [ + Metric("lpm_swpf_bkdwn_w_per_swpf", + "Software prefetch W instructions as a percent of all= prefetch instructions", + d_ratio(s_w, all_sw), "100%"), + Metric("lpm_swpf_bkdwn_w_rate", + "Software prefetch W instructions per second", + d_ratio(s_w, interval_sec), "insn/s"), + ]), + ]), + ], description=3D"Software prefetch instruction breakdown") + + def main() -> None: global _args =20 @@ -289,6 +353,7 @@ def main() -> None: Smi(), Tsx(), IntelBr(), + IntelSwpf(), ]) =20 =20 --=20 2.51.0.318.gd7df087d1a-goog