From nobody Tue Feb 10 10:53:28 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 8B0CB154BFE; Mon, 16 Dec 2024 16:02:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734364936; cv=none; b=e/QEYsty/46ldWK1Lt7rFlYq+A4s7MFwchbIy4TsoXFoeRkjXQZ1VJtVkGsotFSdvlZgOjX8yxRh5R2+KJTawXywc4rnpUrCLzs2Okl20AGiW6U1A2IptWnfEDlgy6SeYOE5BEsGM+8HZPo6xUuzmPz2DQ/gH1WF6BoTPtxKSSE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734364936; c=relaxed/simple; bh=x3k5T9tm1IL41huMBWQShiLEM3JxmfzJI2hNeRps8g8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=SMWfdN8U8/f32q332DZzZ7ksFXmHsg2vwHl3mhfNBrBwRf6c2+iNn6ClvbtELuRqv2R9WZDmctQyi5gqmDMPxUDEp5eloznD9Hw+wRYmIma6Q7Mz8EEkKl94iL/zZ7xzoBAHHkiuUISs+LO++6En8L2kdVgsFAXJZ+jBQr8gWBw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=DXfopvWT; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="DXfopvWT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1734364935; x=1765900935; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=x3k5T9tm1IL41huMBWQShiLEM3JxmfzJI2hNeRps8g8=; b=DXfopvWT9jKoQQRl2jA6CWjxz8LfrJF7wkcPUyxUvcqTrgNGLlFGMOi/ zNqK4ZbpBrl7kyzGXoih6M27w0RZ70/m1naU9N7JwqEDg/xLs78uvM8NH IZ69p1k61xU7ChDdeIv9yLFkJKY/IsjKnjQU9f5Xfh9PhcvLIXbeEx7M+ rAEeXLZnAy8BOQ+mTOmRh4taOxNHsz8igvQHgtSlk/piWM6aAjdvDr6jS Wt8UQVOfxIwWBYWJvT7r6F/eLvEVXoSFMZ8o92pF+lAcNKOzKfG5g4uTK pZSuez9YFtCQ/Tu524pi17TctNdGzKL6Bwfr1lQJt+FuN0OFEImivKBEi g==; X-CSE-ConnectionGUID: MP4CcXEKRnGYxwseCxrkSw== X-CSE-MsgGUID: 5VGYnxT6QvOYesbVkPGTJg== X-IronPort-AV: E=McAfee;i="6700,10204,11288"; a="34983955" X-IronPort-AV: E=Sophos;i="6.12,239,1728975600"; d="scan'208";a="34983955" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2024 08:02:14 -0800 X-CSE-ConnectionGUID: JB38FruOQe6HRzMTL2YF2g== X-CSE-MsgGUID: 5RkYdeyQR628JKX+z5APdA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="134579324" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by orviesa001.jf.intel.com with ESMTP; 16 Dec 2024 08:02:14 -0800 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org Cc: eranian@google.com, Kan Liang , Andi Kleen , stable@vger.kernel.org Subject: [RESEND PATCH] perf/x86/intel: Fix bitmask of OCR and FRONTEND events for LNC Date: Mon, 16 Dec 2024 08:02:52 -0800 Message-Id: <20241216160252.430858-1-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 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: Kan Liang The released OCR and FRONTEND events utilized more bits on Lunar Lake p-core. The corresponding mask in the extra_regs has to be extended to unblock the extra bits. Add a dedicated intel_lnc_extra_regs. Fixes: a932aa0e868f ("perf/x86: Add Lunar Lake and Arrow Lake support") Reported-by: Andi Kleen Signed-off-by: Kan Liang Cc: stable@vger.kernel.org --- arch/x86/events/intel/core.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index bb284aff7bfd..a347b4323256 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -429,6 +429,16 @@ static struct event_constraint intel_lnc_event_constra= ints[] =3D { EVENT_CONSTRAINT_END }; =20 +static struct extra_reg intel_lnc_extra_regs[] __read_mostly =3D { + INTEL_UEVENT_EXTRA_REG(0x012a, MSR_OFFCORE_RSP_0, 0xfffffffffffull, RSP_0= ), + INTEL_UEVENT_EXTRA_REG(0x012b, MSR_OFFCORE_RSP_1, 0xfffffffffffull, RSP_1= ), + INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), + INTEL_UEVENT_EXTRA_REG(0x02c6, MSR_PEBS_FRONTEND, 0x9, FE), + INTEL_UEVENT_EXTRA_REG(0x03c6, MSR_PEBS_FRONTEND, 0x7fff1f, FE), + INTEL_UEVENT_EXTRA_REG(0x40ad, MSR_PEBS_FRONTEND, 0xf, FE), + INTEL_UEVENT_EXTRA_REG(0x04c2, MSR_PEBS_FRONTEND, 0x8, FE), + EVENT_EXTRA_END +}; =20 EVENT_ATTR_STR(mem-loads, mem_ld_nhm, "event=3D0x0b,umask=3D0x10,ldlat=3D3= "); EVENT_ATTR_STR(mem-loads, mem_ld_snb, "event=3D0xcd,umask=3D0x1,ldlat=3D3"= ); @@ -6422,7 +6432,7 @@ static __always_inline void intel_pmu_init_lnc(struct= pmu *pmu) intel_pmu_init_glc(pmu); hybrid(pmu, event_constraints) =3D intel_lnc_event_constraints; hybrid(pmu, pebs_constraints) =3D intel_lnc_pebs_event_constraints; - hybrid(pmu, extra_regs) =3D intel_rwc_extra_regs; + hybrid(pmu, extra_regs) =3D intel_lnc_extra_regs; } =20 static __always_inline void intel_pmu_init_skt(struct pmu *pmu) --=20 2.38.1