From nobody Tue Dec 9 03:42:27 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 799CD311941 for ; Thu, 13 Nov 2025 03:21:42 +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=1763004104; cv=none; b=hSwa/0QOeC8S8nVDIYof0FmWwPJmFn8f3BdUZygW3CfQHgJyuSGTK6KoyVHk03N3BsVkd+0tV3vn+WK54yL1dMqngPvnZF/yYq0PTdHYh7+WYrdaGZCbhftBA2869rmN1KtnJxHC/k/yNvgOZ05HnlIVMU1MDXCHZPP3DE2TKsA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763004104; c=relaxed/simple; bh=ogGh2om0DC9PMjOzZti3DANsfTcUWimWRSDgAsS7fkg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=LxFOuVuyF+P2X04iKIdz8JwZv2Si5/NdddolA+bGlO9o7uHK8NKY5soUk8c0p2Q6effJYrOLK43JMtF1pKAsVE4CQVee6/IqmAcslsd3l6I8YJLp1d8fP2nlY8Jug9dMzFy9lr18gPPvmtK7XHlp6TJSA1pZa0JFpSMAwlSQaQo= 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=LuejWpjQ; 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="LuejWpjQ" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-297f8a2ba9eso9498625ad.3 for ; Wed, 12 Nov 2025 19:21:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1763004102; x=1763608902; 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=IwOooBJgARuZx3xvFM9lWStOej6it0RXeAICfjsNzzw=; b=LuejWpjQTFIJ2gDghn1Wt9MBrBUBBS4OixSxkB8kSZtciFMdpwsEORoDQfoulyo5fw 2GZYTeUgYUQZK4QymBKr9cC2nnYDnAsQyODNM5YJZHMgNicLIodFKtr4RDGRxwTTh16r xfUTqYuhQGo6ZoIU0yLxh1xLt7iHLwAPwNb7rfO/y28v3MMULSIUVTB2mstVJ7sL2bn5 idJCBVrt9cvXxy8Reg28MiWS6YwIw7lWBqONgLmo+oOAo8izL/0cF6phExM1uqPPps5T 3q2j3xskdpl5gVq/rHW2GWpZY4KTK9xXhDj0GzfTWNKkJL6DyDDDpV+k4ecvnK+TDrJs fNbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763004102; x=1763608902; 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=IwOooBJgARuZx3xvFM9lWStOej6it0RXeAICfjsNzzw=; b=YjnLGhKUO7NivabD5ddbc/KMRhdSOG0PSvTuHbdebZKlkzfai5un1jpySX4YDrWOlG laOFauO8TLxnOH47qeXYyhtGcMq3xk5gQQkcEEuHeSpHsOGz/Mx1x+urYtMmqqc3vuEl oMbUHZ3hWHUa4u32AyTMRjx/sDwlkMh0/jNpSPtOwmDZFIJJMcHMqQeWtQJ3NEXU6zaT IjM1ikkcX7Ck7tRHQcflXFxOzwAo5OftXASKPtPGzh0Z2nyMXaH6OTyAZ/whFJwnMNfH 2A5koI41jotSgZOVsApejHxUz4Hvs7OTnt2AnBUMB/+AkTo2Jq0OYO8VJv7EiSD/X3ox BdMQ== X-Forwarded-Encrypted: i=1; AJvYcCX2OJUiolKL2crKgYH0W0RzEdXYykKxZM1uWNrxvGllDrA9x63AiZyQhaRkURiqG9So7/8i2YJxdBVrNNA=@vger.kernel.org X-Gm-Message-State: AOJu0YxbaVlWkH8vncnrxiONY/vM4fQn/7J+2xMR69c/InP3cSru52EF anLisoczStBOBwqsZYnqKa8yBq47JU7wQoIvvcCOe3bnEYCmxrSJxFvk7Fl6WDuPRvzquXEEALF 0b6odDiI0fA== X-Google-Smtp-Source: AGHT+IEhvLLZuZN0ZsEhaTGlzhZ6B8CVINpNvIBTNMAGx56cbqlPEsYvdUwZE7aEMtKifSEHxmFO/vdDfPvN X-Received: from dybfx25.prod.google.com ([2002:a05:7300:c399:b0:2a4:6f7f:e6f0]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1b63:b0:298:4ee2:19f3 with SMTP id d9443c01a7336-2984ee21a2cmr68747545ad.49.1763004101727; Wed, 12 Nov 2025 19:21:41 -0800 (PST) Date: Wed, 12 Nov 2025 19:20:13 -0800 In-Reply-To: <20251113032040.1994090-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251113032040.1994090-1-irogers@google.com> X-Mailer: git-send-email 2.51.2.1041.gc1ab5b90ca-goog Message-ID: <20251113032040.1994090-26-irogers@google.com> Subject: [PATCH v8 25/52] perf jevents: Add ILP metrics for AMD From: Ian Rogers To: Adrian Hunter , Alexander Shishkin , Arnaldo Carvalho de Melo , Benjamin Gray , Caleb Biggers , Edward Baker , Ian Rogers , Ingo Molnar , James Clark , Jing Zhang , Jiri Olsa , John Garry , Leo Yan , Namhyung Kim , Perry Taylor , Peter Zijlstra , Samantha Alt , Sandipan Das , Thomas Falcon , Weilin Wang , Xu Yang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use the counter mask (cmask) to see how many cycles an instruction takes to retire. Present as a set of ILP metrics. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/amd_metrics.py | 37 ++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 53f7c2198147..9a39e23075b8 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -121,6 +121,42 @@ def AmdBr(): description=3D"breakdown of retired branch instruct= ions") =20 =20 +def AmdIlp() -> MetricGroup: + tsc =3D Event("msr/tsc/") + c0 =3D Event("msr/mperf/") + low =3D tsc - c0 + inst_ret =3D Event("ex_ret_instr") + inst_ret_c =3D [Event(f"{inst_ret.name}/cmask=3D{x}/") for x in range(= 1, 6)] + ilp =3D [d_ratio(max(inst_ret_c[x] - inst_ret_c[x + 1], 0), cycles) + for x in range(0, 4)] + ilp.append(d_ratio(inst_ret_c[4], cycles)) + ilp0 =3D 1 + for x in ilp: + ilp0 -=3D x + return MetricGroup("lpm_ilp", [ + Metric("lpm_ilp_idle", "Lower power cycles as a percentage of all = cycles", + d_ratio(low, tsc), "100%"), + Metric("lpm_ilp_inst_ret_0", + "Instructions retired in 0 cycles as a percentage of all cy= cles", + ilp0, "100%"), + Metric("lpm_ilp_inst_ret_1", + "Instructions retired in 1 cycles as a percentage of all cy= cles", + ilp[0], "100%"), + Metric("lpm_ilp_inst_ret_2", + "Instructions retired in 2 cycles as a percentage of all cy= cles", + ilp[1], "100%"), + Metric("lpm_ilp_inst_ret_3", + "Instructions retired in 3 cycles as a percentage of all cy= cles", + ilp[2], "100%"), + Metric("lpm_ilp_inst_ret_4", + "Instructions retired in 4 cycles as a percentage of all cy= cles", + ilp[3], "100%"), + Metric("lpm_ilp_inst_ret_5", + "Instructions retired in 5 or more cycles as a percentage o= f all cycles", + ilp[4], "100%"), + ]) + + def AmdDtlb() -> Optional[MetricGroup]: global _zen_model if _zen_model >=3D 4: @@ -600,6 +636,7 @@ def main() -> None: =20 all_metrics =3D MetricGroup("", [ AmdBr(), + AmdIlp(), AmdDtlb(), AmdItlb(), AmdLdSt(), --=20 2.51.2.1041.gc1ab5b90ca-goog