From patchwork Wed May 8 03:43:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Neri X-Patchwork-Id: 795651 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 4FE0414A9F; Wed, 8 May 2024 03:37:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715139424; cv=none; b=kzz36w2WIMV1YD5WBuWwDGegfGRXFMDkZzZ5w4WByoS63kb8mFX+9Lv/EcVntO+SG7dCm4ooXf9MW3NVG83cQcyhCSjcbw3pzweYyo9u7IOuXFSefuSVg1mk4+zeGHwJd9cC9CrR+anyQex7Nj8nBRtcOb41Eh2upp8w2hFxqxU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715139424; c=relaxed/simple; bh=K+HG7L12mRkwMo3ylUVsmFfW2pNh/hN2w+jXyyLa2fE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=qQAIbkslFMsw1QzGBpKw0baDhxS3pWsirA3QZjbdAg2vqB/5S1Ey72UHqMLjl7f9KnkcHBJIac6vg1CJmLwARisr6RlmlY9EnSSoS+H8U9fktnR1vt6+gQtk0x6MlopFMB5KnNRH9bdSOKf1Cl0EuZGyyseKtFQ7L22dohYceIE= 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=fde7jpnD; arc=none smtp.client-ip=192.198.163.18 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="fde7jpnD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715139423; x=1746675423; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=K+HG7L12mRkwMo3ylUVsmFfW2pNh/hN2w+jXyyLa2fE=; b=fde7jpnDp4N09pNphklmarcMSCAKieauw0waH99wgd979x7uv5eh/vbC QbAg/gCZjpTGmX19g+vDGxDwFV0Ur+1h1FM4E9ph8WBghiX8uZA0xQrjz gn/LZPTNsf6c/ddWwxOG3BQmZlu7QsQR/qtZWvDoU4D2g8S/57HvnnVBk bntPt5u4ZG7VIljT4GTI9IN71J1wL3BgvrBgtHtph3xk9WcGrOskDav6F DttqEE7180FmyUh4R5gJj2cW5s81oRLLxjclkL+BB+aKEjywzp/O3PMto 0HSJ0tmrigmBZ/YJLW03VqqFRMewxsjtB0j+cGPzm2+xHxw+w8zCZzSK2 Q==; X-CSE-ConnectionGUID: p76twJoiR9el0vK9PW66kg== X-CSE-MsgGUID: 5isWQIReQlOFtBA+hYYelQ== X-IronPort-AV: E=McAfee;i="6600,9927,11066"; a="10820911" X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="10820911" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2024 20:36:55 -0700 X-CSE-ConnectionGUID: K6MZavhyS/Wv84QMfOZ7uw== X-CSE-MsgGUID: 5qRDoizsQuKXKBRfgiCGeQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="33551935" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orviesa005.jf.intel.com with ESMTP; 07 May 2024 20:36:53 -0700 From: Ricardo Neri To: "Rafael J. Wysocki" Cc: Zhang Rui , Srinivas Pandruvada , Len Brown , Stanislaw Gruszka , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Ricardo Neri Subject: [PATCH v2 4/4] thermal: intel: hfi: Increase the number of CPU capabilities per netlink event Date: Tue, 7 May 2024 20:43:52 -0700 Message-Id: <20240508034352.18414-5-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240508034352.18414-1-ricardo.neri-calderon@linux.intel.com> References: <20240508034352.18414-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The number of updated CPU capabilities per netlink event is hard-coded to 16. On systems with more than 16 CPUs (a common case), it takes more than one thermal netlink event to relay all the new capabilities after an HFI interrupt. This adds unnecessary overhead to both the kernel and user space entities. Increase the number of CPU capabilities updated per event to 64. Any system with 64 CPUs or less can now update all the capabilities in a single thermal netlink event. Signed-off-by: Ricardo Neri --- Cc: Len Brown Cc: Srinivas Pandruvada Cc: Stanislaw Gruszka Cc: Zhang Rui Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- Changes since v2: * Dropped the debugfs interface. Instead, increased the size of the thermal netlink message size to 64 CPU capabilities. --- drivers/thermal/intel/intel_hfi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c index c6658f8c5cca..a180a98bb9f1 100644 --- a/drivers/thermal/intel/intel_hfi.c +++ b/drivers/thermal/intel/intel_hfi.c @@ -167,7 +167,7 @@ static DEFINE_MUTEX(hfi_instance_lock); static struct workqueue_struct *hfi_updates_wq; #define HFI_UPDATE_DELAY_MS 100 -#define HFI_THERMNL_CAPS_PER_EVENT 16 +#define HFI_THERMNL_CAPS_PER_EVENT 64 static void get_hfi_caps(struct hfi_instance *hfi_instance, struct thermal_genl_cpu_caps *cpu_caps)