From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-52004.amazon.com (smtp-fw-52004.amazon.com [52.119.213.154]) (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 DDA1E290BA2 for ; Tue, 17 Jun 2025 11:08:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.119.213.154 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750158526; cv=none; b=eaD3l0A9z6ahucvCUG8YFRgqwBvKgYF1wIRDkD3NkpgH7S3FvSFW8p8Nq7PsgjnlfZCZXuaDMLYxmNdLM7YzQELCpO5LwoH+8Pw4miNmHbF3VxBpxSfXZqnUfCDXT4Actm3FhrfYjLxPxbhU3NnScl4D2kKCrsQgkGT9E/zWj58= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750158526; c=relaxed/simple; bh=IRR/axaqJSB8U6ZdY+vkjVvS2JUVYtosnoHTOV3F8Nw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oMLfrlx3m2Bmp2/hPw8bQ4OygCVOKsZ6PqBxzWu2FoAhCWv+vYaQXEPX8wjloQBQhF1DQo7bdjcc/JDjmz3npcFJtgtKaQQntxH9W4Dd7dZFA9NsVy+npaTyLUCRK8PMhP9Ck+GRTg32856R+JFUowH01ChcnGPyrRVKAggUz94= 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=aVQhSr6Q; arc=none smtp.client-ip=52.119.213.154 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="aVQhSr6Q" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1750158525; x=1781694525; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PjD3xdTrNY9z67bTqV6P/R/0uiJK8x+0ndOsd7RRhXc=; b=aVQhSr6QAjYGFFVOfytHZ3aSUR5+mdhln12pbmx6pJ/rn7/sOwgoCbIg pGdqd7GFM18B/nxyc1K2wSPPwVSsQg7YtGIr9qJpYqCl2QWVIJABetfpw thBR4YxOx9yUTLSZM2ez5+cuoMQUApmijhNnvEhvTF5G/PjgXRkW5Cgzr rejezH63BQUfNpH6scqs0Uj61Ghq6M/SAhRZpNJh+yVJ4AxCXi0gnKuRy quehkQd8ZNBCJm3yFDvyXK2WDmWxVStxwGA/0C9vCXi2qno5Ol2MVx/lh g1ynqFyoNh4mlU+Vawvv5ihKfixeMsvZ4N1ROnrdoxDNpyg+C0BOPkOM+ Q==; X-IronPort-AV: E=Sophos;i="6.16,243,1744070400"; d="scan'208";a="310082908" Received: from iad12-co-svc-p1-lb1-vlan2.amazon.com (HELO smtpout.prod.us-east-1.prod.farcaster.email.amazon.dev) ([10.43.8.2]) by smtp-border-fw-52004.iad7.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2025 11:08:41 +0000 Received: from EX19MTAEUC001.ant.amazon.com [10.0.43.254:25025] by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.14.39:2525] with esmtp (Farcaster) id 51019dc6-85e9-4a2a-b1a7-2583fede3946; Tue, 17 Jun 2025 11:08:40 +0000 (UTC) X-Farcaster-Flow-ID: 51019dc6-85e9-4a2a-b1a7-2583fede3946 Received: from EX19D005EUA002.ant.amazon.com (10.252.50.11) by EX19MTAEUC001.ant.amazon.com (10.252.51.155) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Tue, 17 Jun 2025 11:08:40 +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; Tue, 17 Jun 2025 11:08:28 +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 , Jiri Pirko Subject: [PATCH v13 net-next 8/9] net: ena: View PHC stats using debugfs Date: Tue, 17 Jun 2025 14:05:44 +0300 Message-ID: <20250617110545.5659-9-darinzon@amazon.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250617110545.5659-1-darinzon@amazon.com> References: <20250617110545.5659-1-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: EX19D031UWC001.ant.amazon.com (10.13.139.241) 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