From nobody Thu Sep 18 05:41:26 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 649C1259C92 for ; Thu, 4 Sep 2025 04:47:13 +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=1756961234; cv=none; b=CwB40SNDs4yV7stNmxYW5hfG0cCIh9//rsn/ChGndm8NQQQM7wOVitNlRGPILMJ1a0HSCFPn04vCLgSGkJ0wrIExGh8EKXuLG3FbL8zBg06IMZxZFo0x9ZTB/RjP46+ZlLCBy8qgHxkc9z1kwGzki8ZmItZ5An+Y+fm9FY6+BzU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756961234; c=relaxed/simple; bh=JjlQaSBT7py0q7gDkb/E4YVFsgpF8smvn6xkGMOw5Lc=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=hhN+13ErfvQM0Hm95qWyknq0eaEDT7TaoflD4ICMeznBinIL+6jj7z5WTxtMC1Uyu1AdAKwOtRTkf4MHmH774NCh7G+WDtwgn9rClLosgB1w5seIIVfI0EiAjRvN0TyG68SLx8jo6jRTXnpS4LAVdx++M9ThqTI1wmT8EV32xUg= 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=0iZQuCoM; 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="0iZQuCoM" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-24c99f6521dso7964685ad.3 for ; Wed, 03 Sep 2025 21:47:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756961233; x=1757566033; 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=Bu2m9NwYUYP+oZqOMmXinOl1d0NFMuknff+TFeF8Tok=; b=0iZQuCoMOYGVVlH3ZDag8ra/mGobVz0qVgm1J5+xt3FgoOPfStKlfvJu232BM3zmRh jQtXqx35m+W9tFs2CFMFMrof9a6S/6LXsNEqdyXOo6LiQbHczzBE7vW7SlaSTybyAjd5 dR1JG6kX4qBSPDTCZjj/eXVyBx+/+TG2t0ZyifiPOpw4QR/oHvjyDZXOMmAj6inoV7GC vaJY5Lidb9OXSsDHce7JWD777kMreO4RuDl4chG+Y2zazfz5RaZWvbdlqEkdKbpFhpwf XUupe8/r2uCfo8+cllT2l4/2sIk50Lo/b7HQdPFecrCkVHoPQLpZxUoK4xSkEGWDulaT L+lg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756961233; x=1757566033; 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=Bu2m9NwYUYP+oZqOMmXinOl1d0NFMuknff+TFeF8Tok=; b=CfHYgeZ0uxez1sIr76p1OavSKSQXfs4GIxlNZaba9kH/fqwIo+acuvK6OwuP4u4+qq FDz5be3VmqswfpELJU3sKAx2Ivj10qGdbcwJeZggHoBVNK41EJe4xb5HiBEJc0nCIxOP YuaueRZDk3u3YQcBK2Qj8gmkSFRyqwguMas8U1SKW5t3VgRbnsRKe7Y4l8BA0PLglplU M4FvAlMVIQtCDlResBgSsPz6iLrcWiIX6ozRyp0uQLbcJYaOGr5eAfPEK3ez5TFJVihM hOjUJypHAo0KeNLm69PBCsiVkq7aR7w/Jc9uZKrBiSzgEWX4zol6OHE0ygXK8Qgd/Rt2 saSg== X-Forwarded-Encrypted: i=1; AJvYcCWIilAIFVcdNFH65dHFmJTOZzv7bAIH1w6b/2/W8STmgKl/KBAenZ6XCCELELW3aLbaCokCutkQLoXj7fE=@vger.kernel.org X-Gm-Message-State: AOJu0YwLBe8Wi3oIgDnqgmXND+kIsMlYGiS0gU/aZUlyUaY0y6Y5SBa3 y8c+Ail+7vii6EUDK9G4SXzG8wi/+wznuQh2lN97Kg+pOhokxlvKLQK1cuSgwYIRQ6v4XyggtI3 Sk73j4x8bXA== X-Google-Smtp-Source: AGHT+IHzLCkpxX3Zcx/kL6W/qra9cEEG3LIfm+BCxJr83u1VsSF+iyijelb38kCbkTKGBacQXP6ZT7i5XCat X-Received: from plhz7.prod.google.com ([2002:a17:902:d9c7:b0:24c:af07:f077]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:e5ca:b0:24b:1eb:857c with SMTP id d9443c01a7336-24b01eb87dcmr130196425ad.57.1756961232633; Wed, 03 Sep 2025 21:47:12 -0700 (PDT) Date: Wed, 3 Sep 2025 21:46:39 -0700 In-Reply-To: <20250904044653.1002362-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250904044653.1002362-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.338.gd7d06c2dae-goog Message-ID: <20250904044653.1002362-9-irogers@google.com> Subject: [PATCH v6 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 dfee782596e8..b4ed137c91b3 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 2.51.0.338.gd7d06c2dae-goog