From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-52003.amazon.com (smtp-fw-52003.amazon.com [52.119.213.152]) (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 C0E7D28C01E for ; Thu, 22 May 2025 13:50:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.119.213.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747921855; cv=none; b=XMCC0RyTS1WU3TsZC1/gLBt7sF8HY8l0BeWGCEX8syQX+jEAIWAQs8KqorDahzf3m1EF31y6XpY2ZRrXgt4jyFVXf9k6QXDN6IgzKQNlggKHRKEsGEgR73bvunlVf9IizEnqSDUV0NNZT1YxKYoQYRa5FMd7RVpHhEyTql1C6iM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747921855; c=relaxed/simple; bh=IRR/axaqJSB8U6ZdY+vkjVvS2JUVYtosnoHTOV3F8Nw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=jnktgs4zm5FpIOFQH4xJFhFqJuAnCgUUEcydydAy/tpuhl/KodgnKjRHX17OE8OJ5Cz7L5iEIJeqIKs8NstDEOf+m/9kEAw+qKxNBRnwK8JXLAE9Q6uZVvUM8m3RQAC+KoBY7cmw4SIvJTAmeED+kE97kk8hYokk/tGhHstMGvg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=HMevo6Rf; arc=none smtp.client-ip=52.119.213.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="HMevo6Rf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1747921854; x=1779457854; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PjD3xdTrNY9z67bTqV6P/R/0uiJK8x+0ndOsd7RRhXc=; b=HMevo6Rft3S2QsnOxGvs9htrpBeOU+IzzmpVzfeFKKTSCEOV+rf+Fxg/ y8YiEBiug9/bbIeQDCwmtQwJJhCUcu1CjW6bRscKzQDOP2/pFTgUM5Sof MArZEnf1Z1dCPby83sXQY9m5+4plZOONltFtAyKnIX3dOmMPu6gi1rFIR RZJdc7mc812erUXP4IGO4GoF+pAglx1xTlDu9X4tULjm1NFjU22FVuuEl u5jeGjkQ/WnwqrMJOLd2GuQL7eIwSJVsBNGDJzEPTPfqSfTy4gJVWZwqi M6WyFBvBx2lc7B5srNT7SFVYihWaKYWER2R/kMi1A/yxAfIw+kLHyhDMn Q==; X-IronPort-AV: E=Sophos;i="6.15,306,1739836800"; d="scan'208";a="96244337" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.43.8.6]) by smtp-border-fw-52003.iad7.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 May 2025 13:50:52 +0000 Received: from EX19MTAEUB001.ant.amazon.com [10.0.43.254:31880] by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.1.135:2525] with esmtp (Farcaster) id b6d9c778-95f3-4201-bb3b-14dabac7dbb9; Thu, 22 May 2025 13:50:50 +0000 (UTC) X-Farcaster-Flow-ID: b6d9c778-95f3-4201-bb3b-14dabac7dbb9 Received: from EX19D005EUA002.ant.amazon.com (10.252.50.11) by EX19MTAEUB001.ant.amazon.com (10.252.51.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Thu, 22 May 2025 13:50:50 +0000 Received: from HFA15-G9FV5D3.amazon.com (10.85.143.172) by EX19D005EUA002.ant.amazon.com (10.252.50.11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Thu, 22 May 2025 13:50:39 +0000 From: David Arinzon To: David Miller , Jakub Kicinski , CC: David Arinzon , Eric Dumazet , Paolo Abeni , Simon Horman , "Richard Cochran" , "Woodhouse, David" , "Machulsky, Zorik" , "Matushevsky, Alexander" , Saeed Bshara , "Wilson, Matt" , "Liguori, Anthony" , "Bshara, Nafea" , "Schmeilin, Evgeny" , "Belgazal, Netanel" , "Saidi, Ali" , "Herrenschmidt, Benjamin" , "Kiyanovski, Arthur" , "Dagan, Noam" , "Bernstein, Amit" , "Agroskin, Shay" , "Ostrovsky, Evgeny" , "Tabachnik, Ofir" , "Machnikowski, Maciek" , Rahul Rameshbabu , Gal Pressman , Vadim Fedorenko , Andrew Lunn , Leon Romanovsky Subject: [PATCH v10 net-next 6/8] net: ena: View PHC stats using debugfs Date: Thu, 22 May 2025 16:48:37 +0300 Message-ID: <20250522134839.1336-7-darinzon@amazon.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250522134839.1336-1-darinzon@amazon.com> References: <20250522134839.1336-1-darinzon@amazon.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D044UWB004.ant.amazon.com (10.13.139.134) To EX19D005EUA002.ant.amazon.com (10.252.50.11) Add an entry named `phc_stats` to view the PHC statistics. If PHC is enabled, the stats are printed, as below: phc_cnt: 0 phc_exp: 0 phc_skp: 0 phc_err_dv: 0 phc_err_ts: 0 If PHC is disabled, no statistics will be displayed. Signed-off-by: David Arinzon --- drivers/net/ethernet/amazon/ena/ena_debugfs.c | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/net/ethernet/amazon/ena/ena_debugfs.c b/drivers/net/ethernet/amazon/ena/ena_debugfs.c index d9327cd8..46ed8098 100644 --- a/drivers/net/ethernet/amazon/ena/ena_debugfs.c +++ b/drivers/net/ethernet/amazon/ena/ena_debugfs.c @@ -8,6 +8,35 @@ #include #include #include "ena_debugfs.h" +#include "ena_phc.h" + +static int phc_stats_show(struct seq_file *file, void *priv) +{ + struct ena_adapter *adapter = file->private; + + if (!ena_phc_is_active(adapter)) + return 0; + + seq_printf(file, + "phc_cnt: %llu\n", + adapter->ena_dev->phc.stats.phc_cnt); + seq_printf(file, + "phc_exp: %llu\n", + adapter->ena_dev->phc.stats.phc_exp); + seq_printf(file, + "phc_skp: %llu\n", + adapter->ena_dev->phc.stats.phc_skp); + seq_printf(file, + "phc_err_dv: %llu\n", + adapter->ena_dev->phc.stats.phc_err_dv); + seq_printf(file, + "phc_err_ts: %llu\n", + adapter->ena_dev->phc.stats.phc_err_ts); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(phc_stats); void ena_debugfs_init(struct net_device *dev) { @@ -15,6 +44,12 @@ void ena_debugfs_init(struct net_device *dev) adapter->debugfs_base = debugfs_create_dir(dev_name(&adapter->pdev->dev), NULL); + + debugfs_create_file("phc_stats", + 0400, + adapter->debugfs_base, + adapter, + &phc_stats_fops); } void ena_debugfs_terminate(struct net_device *dev) -- 2.47.1