From nobody Mon Feb 9 16:51:47 2026 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (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 3668117BC9 for ; Thu, 14 Mar 2024 05:58:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710395940; cv=none; b=YYhvWiFa2KhpnEHQdxX0fZMvYHmblNKZ5QHNEz2kR3eoWUWvYabM/Fpgnt0FiqKrvJqJA5SDF0KJs2dgIRbVj/iJkxsnlzBLJkZd8e0WPbytJ4NYiMPfT87+NFY6Kod/eGaYQWNTV7ItXfEbbMv+tMRcJw0WG/WKtKzdBExM2Ik= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710395940; c=relaxed/simple; bh=WOWe+5ZwJjFtAMO5LixHT9n3OypFjRwiFMl5aR4Ng6M=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=L66/l8AwMehWCgzlWmMqlWCpJPMTLwxz+PNQWHTR0ZdvPVsMM2oeN4Y/sEh2RgLFv1JXT8k9h9kRFTwwQ+bp19tW999yaLYXat4g+46Zi7+uJee4IymccZdhhcQ3zjJao3m86njjNB6nd2tJ1PTEG8A/P0R5ot9Rlob9yq69s00= 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=SCUOzZEI; arc=none smtp.client-ip=209.85.219.201 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="SCUOzZEI" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-dcc4563611cso751561276.3 for ; Wed, 13 Mar 2024 22:58:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1710395938; x=1711000738; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=a6qdDgoIQxn8fAzaUEAV7cPE0zy3zkq2eTruom8IDPQ=; b=SCUOzZEIdO8gDjkgOpgAJOUpsl1206R4nxH31TmYCH3fL/Xbp7URZAvuZEFzyouVvW LKOn4JEZ+hv+yp9iQbNkZmGgIjpcwRT60brAXUVRZcP7+9v8DKxDhsIMRD+9LBm5PPGZ 5Cr8XDY7/42QqROTJFHsxisFhmcDYBx7WIL7FwYpULwILyBNGjHGpgzSzlYCrwyme5oW HHMsz+FwVo0enu9zYl0d6/BUHVvtUci0T+RREjoDJk9sUouL9/vxexO5p6kWRRoFMbQY ONhNQjEPno0e0q0TU3K4eXQO6qIpnRJi5GJ+CwogBk0ni0EZzvgviNdFJ7rSDpUGPtYD Md8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710395938; x=1711000738; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=a6qdDgoIQxn8fAzaUEAV7cPE0zy3zkq2eTruom8IDPQ=; b=Zqv7oDuSDzNXSjoQnTSH3urS/glUuCNhOcc5Q/7KaeyInxzVSCskuEG19A8wHDB/bb qSC8+A/QbiNPXOian5jqV9MRu+uQLElnYTQvXZ2MtUS++kfj5ERwRVri/G/JmFjnkCMA oXbLL/Pm7dvwq/e/AtgXWQ97keM13qpZL1oJTR0CAq3EbnD77dwG14UJvsfgLEZmg7X+ n4VcvxkgbVZ1hJ70yQFZNkbmyGkJ1cgbwfrf2y+lydrtjEab5JboYCbprVCKX750F0WZ IltRhyjNY8rbe/4xpmRO29ruPHtLBZPacUJdpJHKX7DJww9qOJosGVJrStB3dku5I3jh 6EEA== X-Forwarded-Encrypted: i=1; AJvYcCUnqmVJ9wE+UpTLQUOCGACjlitN60AxWyFFYb6S9JZzR7iustzBAjjVDI6qq6nFW0grb8zW/KG14PuOA4zlX7Akx1Sj1tKTWigmIlTc X-Gm-Message-State: AOJu0Yz7rpFWfd4jjvDgQyrMDTwLA7PH7t1AcaZQYw8Wzwbe2Bsa5aLs kLTOZDhkaOE6w6gK6clkL/PPK5M95gO2bx4jUbATGmU1tJ9tmwflC8DwFc+lwN5GE8bsTYxcBkl VBpOQ2w== X-Google-Smtp-Source: AGHT+IFwr9ZZkG4/Fh7fUI8lDx9QV/iU/l1lXRZYsYunk9OLcTNKwFWK1vfmVkvaph3bP0KvJ/sxfqbBwcRZ X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:449f:3bde:a4cd:806a]) (user=irogers job=sendgmr) by 2002:a05:6902:2603:b0:dcc:54d0:85e0 with SMTP id dw3-20020a056902260300b00dcc54d085e0mr256664ybb.11.1710395938388; Wed, 13 Mar 2024 22:58:58 -0700 (PDT) Date: Wed, 13 Mar 2024 22:58:33 -0700 In-Reply-To: <20240314055839.1975063-1-irogers@google.com> Message-Id: <20240314055839.1975063-7-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240314055839.1975063-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v3 06/12] perf jevents: Add hardware prefetch (hwpf) metric group for AMD From: Ian Rogers To: Sandipan Das , Ravi Bangoria , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , John Garry , Kan Liang , Jing Zhang , Thomas Richter , James Clark , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Stephane Eranian Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add metrics that give the utility of hardware prefetches on zen2, zen3 and zen4. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/amd_metrics.py | 62 ++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 9551b44dbbaf..5c91e97ae6c4 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -120,6 +120,67 @@ def AmdBr(): description=3D"breakdown of retired branch instructio= ns") =20 =20 +def AmdHwpf(): + """Returns a MetricGroup representing AMD hardware prefetch metrics.""" + global _zen_model + if _zen_model <=3D 1: + return None + + hwp_ld =3D Event("ls_dispatch.ld_dispatch") + hwp_l2 =3D Event("ls_hw_pf_dc_fills.local_l2", + "ls_hw_pf_dc_fills.lcl_l2", + "ls_hw_pf_dc_fill.ls_mabresp_lcl_l2") + hwp_lc =3D Event("ls_hw_pf_dc_fills.local_ccx", + "ls_hw_pf_dc_fills.int_cache", + "ls_hw_pf_dc_fill.ls_mabresp_lcl_cache") + hwp_lm =3D Event("ls_hw_pf_dc_fills.dram_io_near", + "ls_hw_pf_dc_fills.mem_io_local", + "ls_hw_pf_dc_fill.ls_mabresp_lcl_dram") + hwp_rc =3D Event("ls_hw_pf_dc_fills.far_cache", + "ls_hw_pf_dc_fills.ext_cache_remote", + "ls_hw_pf_dc_fill.ls_mabresp_rmt_cache") + hwp_rm =3D Event("ls_hw_pf_dc_fills.dram_io_far", + "ls_hw_pf_dc_fills.mem_io_remote", + "ls_hw_pf_dc_fill.ls_mabresp_rmt_dram") + + loc_pf =3D hwp_l2 + hwp_lc + hwp_lm + rem_pf =3D hwp_rc + hwp_rm + all_pf =3D loc_pf + rem_pf + + r1 =3D d_ratio(ins, all_pf) + r2 =3D d_ratio(hwp_ld, all_pf) + r3 =3D d_ratio(all_pf, interval_sec) + + overview =3D MetricGroup("hwpf_overview", [ + Metric("hwpf_ov_insn_bt_hwpf", "Insn between HWPF", r1, "insns"), + Metric("hwpf_ov_loads_bt_hwpf", "Loads between HWPF", r2, "loads"), + Metric("hwpf_ov_rate", "HWPF per second", r3, "hwpf/s"), + ]) + r1 =3D d_ratio(hwp_l2, all_pf) + r2 =3D d_ratio(hwp_lc, all_pf) + r3 =3D d_ratio(hwp_lm, all_pf) + data_src_local =3D MetricGroup("hwpf_data_src_local", [ + Metric("hwpf_data_src_local_l2", "Data source local l2", r1, "100%"), + Metric("hwpf_data_src_local_ccx_l3_loc_ccx", + "Data source local ccx l3 loc ccx", r2, "100%"), + Metric("hwpf_data_src_local_memory_or_io", + "Data source local memory or IO", r3, "100%"), + ]) + + r1 =3D d_ratio(hwp_rc, all_pf) + r2 =3D d_ratio(hwp_rm, all_pf) + data_src_remote =3D MetricGroup("hwpf_data_src_remote", [ + Metric("hwpf_data_src_remote_cache", "Data source remote cache", r1, + "100%"), + Metric("hwpf_data_src_remote_memory_or_io", + "Data source remote memory or IO", r2, "100%"), + ]) + + data_src =3D MetricGroup("hwpf_data_src", [data_src_local, data_src_remo= te]) + return MetricGroup("hwpf", [overview, data_src], + description=3D"Hardware prefetch breakdown (CCX L3 = =3D L3 of current thread, Loc CCX =3D CCX cache on some socket)") + + def AmdSwpf() -> Optional[MetricGroup]: """Returns a MetricGroup representing AMD software prefetch metrics.""" global _zen_model @@ -278,6 +339,7 @@ def main() -> None: =20 all_metrics =3D MetricGroup("", [ AmdBr(), + AmdHwpf(), AmdSwpf(), AmdUpc(), Idle(), --=20 2.44.0.278.ge034bb2e1d-goog