From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 381F3280A2F; Tue, 20 May 2025 18:17:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747765038; cv=none; b=sj9DgrpbRzrLX8GX5QhVWnPHDzDKjkdtHfXHhzbeq4MmF6YmNV15DG5RjkhsvQfXNa8ARV8yktuKUjB1h/ZD+pGPbomfV0fe1JvUUxuMxyCYx4gprtoOlNEQkJNj5W6sLtahTj+aHiNhfFZ6gihs9e2XF3OqF0zLQqm+X6c8wZk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747765038; c=relaxed/simple; bh=s+EyXjLUXo0M2dfj157AL5fvrY36sWvSBJ2tuImTWtk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ORTGwKDnHq3EVr1tBz/QBSrC7FwsKxCwPIwguZkVK82DXgU0Xvx5PXH2gVShtfjelK4xD/C04jcG5GmOPciYDyR9bRm19jiVeQCwIyxhzQy37kzyuO8PcHFWHaZegHh6eh6olV2BD29GiXHZgwzSPWdhxEQCQVbKPF1du8ou4F8= 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=MwxZKh8d; arc=none smtp.client-ip=192.198.163.15 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="MwxZKh8d" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747765037; x=1779301037; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=s+EyXjLUXo0M2dfj157AL5fvrY36sWvSBJ2tuImTWtk=; b=MwxZKh8d3G7ErN+6/M3E3jiGw7sPfqh3yFadzyT3Cmnod98cL/Y5UJOu Bv0FCEwqWSEVg2AJWHjD5ruPuV2tvreNSScZ7E9OlpBUl1PmEWxg3EEza n8bSvZGdfJbD3OZ4BZfS/vFHL/ng0sLnn/Gz0/uE2t+bb59zsGphh86OQ bTN4F1JxnO6ks/eIRIQU4H0FSfxd8xmQYwM79trOKuHNyUrTYwnyW2wLL MsrBTb6sIVHdXiiZpQWmWs0YG+gBPhy0CfgtVWCrl4wWJ6imrokrkM8U8 ZIUfqQ2xMNrCHHSniNxpuQtl3a2326eu4S0ewZKueMPBKpaQOYVjkKTqy Q==; X-CSE-ConnectionGUID: u3yNZ/BERO2/BbHSm+uYRA== X-CSE-MsgGUID: NSPj8zWLTTOEK/S7qSWKqw== X-IronPort-AV: E=McAfee;i="6700,10204,11439"; a="49847988" X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="49847988" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2025 11:17:13 -0700 X-CSE-ConnectionGUID: tt0fVSeZQYu+1VmXOJztCQ== X-CSE-MsgGUID: DwqYvJaXTXKgUclat/S2VQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="144514710" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by orviesa003.jf.intel.com with ESMTP; 20 May 2025 11:17:12 -0700 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, namhyung@kernel.org, irogers@google.com, mark.rutland@arm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: eranian@google.com, ctshao@google.com, tmricht@linux.ibm.com, leo.yan@arm.com, Kan Liang , Athira Rajeev , Madhavan Srinivasan , linuxppc-dev@lists.ozlabs.org Subject: [PATCH V4 06/16] powerpc/perf: Remove driver-specific throttle support Date: Tue, 20 May 2025 11:16:34 -0700 Message-Id: <20250520181644.2673067-7-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20250520181644.2673067-1-kan.liang@linux.intel.com> References: <20250520181644.2673067-1-kan.liang@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Kan Liang The throttle support has been added in the generic code. Remove the driver-specific throttle support. Besides the throttle, perf_event_overflow may return true because of event_limit. It already does an inatomic event disable. The pmu->stop is not required either. Signed-off-by: Kan Liang Cc: Athira Rajeev Cc: Madhavan Srinivasan Cc: linuxppc-dev@lists.ozlabs.org --- arch/powerpc/perf/core-book3s.c | 6 ++---- arch/powerpc/perf/core-fsl-emb.c | 3 +-- 2 files changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 42ff4d167acc..8b0081441f85 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -2344,12 +2344,10 @@ static void record_and_restart(struct perf_event *event, unsigned long val, ppmu->get_mem_weight(&data.weight.full, event->attr.sample_type); data.sample_flags |= PERF_SAMPLE_WEIGHT_TYPE; } - if (perf_event_overflow(event, &data, regs)) - power_pmu_stop(event, 0); + perf_event_overflow(event, &data, regs); } else if (period) { /* Account for interrupt in case of invalid SIAR */ - if (perf_event_account_interrupt(event)) - power_pmu_stop(event, 0); + perf_event_account_interrupt(event); } } diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c index d2ffcc7021c5..7120ab20cbfe 100644 --- a/arch/powerpc/perf/core-fsl-emb.c +++ b/arch/powerpc/perf/core-fsl-emb.c @@ -635,8 +635,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, perf_sample_data_init(&data, 0, last_period); - if (perf_event_overflow(event, &data, regs)) - fsl_emb_pmu_stop(event, 0); + perf_event_overflow(event, &data, regs); } } -- 2.38.1