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e14521e97b
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 <darinzon@amazon.com> Link: https://patch.msgid.link/20250617110545.5659-9-darinzon@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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/* Copyright (c) Amazon.com, Inc. or its affiliates.
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* All rights reserved.
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*/
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#ifdef CONFIG_DEBUG_FS
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#include <linux/seq_file.h>
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#include <linux/pci.h>
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#include "ena_debugfs.h"
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#include "ena_phc.h"
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static int phc_stats_show(struct seq_file *file, void *priv)
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{
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struct ena_adapter *adapter = file->private;
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if (!ena_phc_is_active(adapter))
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return 0;
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seq_printf(file,
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"phc_cnt: %llu\n",
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adapter->ena_dev->phc.stats.phc_cnt);
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seq_printf(file,
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"phc_exp: %llu\n",
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adapter->ena_dev->phc.stats.phc_exp);
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seq_printf(file,
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"phc_skp: %llu\n",
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adapter->ena_dev->phc.stats.phc_skp);
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seq_printf(file,
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"phc_err_dv: %llu\n",
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adapter->ena_dev->phc.stats.phc_err_dv);
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seq_printf(file,
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"phc_err_ts: %llu\n",
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adapter->ena_dev->phc.stats.phc_err_ts);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(phc_stats);
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void ena_debugfs_init(struct net_device *dev)
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{
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struct ena_adapter *adapter = netdev_priv(dev);
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adapter->debugfs_base =
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debugfs_create_dir(dev_name(&adapter->pdev->dev), NULL);
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debugfs_create_file("phc_stats",
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0400,
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adapter->debugfs_base,
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adapter,
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&phc_stats_fops);
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}
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void ena_debugfs_terminate(struct net_device *dev)
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{
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struct ena_adapter *adapter = netdev_priv(dev);
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debugfs_remove_recursive(adapter->debugfs_base);
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}
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#endif /* CONFIG_DEBUG_FS */
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