2020-11-03 19:32:41 +08:00
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// SPDX-License-Identifier: GPL-2.0-or-later
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/* Netfs support statistics
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*
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* Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#include <linux/export.h>
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#include <linux/seq_file.h>
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#include <linux/netfs.h>
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#include "internal.h"
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atomic_t netfs_n_rh_readahead;
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atomic_t netfs_n_rh_readpage;
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atomic_t netfs_n_rh_rreq;
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atomic_t netfs_n_rh_sreq;
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atomic_t netfs_n_rh_download;
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atomic_t netfs_n_rh_download_done;
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atomic_t netfs_n_rh_download_failed;
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atomic_t netfs_n_rh_download_instead;
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atomic_t netfs_n_rh_read;
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atomic_t netfs_n_rh_read_done;
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atomic_t netfs_n_rh_read_failed;
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atomic_t netfs_n_rh_zero;
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atomic_t netfs_n_rh_short_read;
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atomic_t netfs_n_rh_write;
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2020-09-22 18:06:07 +08:00
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atomic_t netfs_n_rh_write_begin;
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2020-11-03 19:32:41 +08:00
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atomic_t netfs_n_rh_write_done;
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atomic_t netfs_n_rh_write_failed;
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2020-09-22 18:06:07 +08:00
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atomic_t netfs_n_rh_write_zskip;
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2020-11-03 19:32:41 +08:00
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void netfs_stats_show(struct seq_file *m)
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{
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2020-09-22 18:06:07 +08:00
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seq_printf(m, "RdHelp : RA=%u RP=%u WB=%u WBZ=%u rr=%u sr=%u\n",
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2020-11-03 19:32:41 +08:00
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atomic_read(&netfs_n_rh_readahead),
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atomic_read(&netfs_n_rh_readpage),
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2020-09-22 18:06:07 +08:00
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atomic_read(&netfs_n_rh_write_begin),
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atomic_read(&netfs_n_rh_write_zskip),
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2020-11-03 19:32:41 +08:00
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atomic_read(&netfs_n_rh_rreq),
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atomic_read(&netfs_n_rh_sreq));
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2020-09-22 18:06:07 +08:00
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seq_printf(m, "RdHelp : ZR=%u sh=%u sk=%u\n",
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2020-11-03 19:32:41 +08:00
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atomic_read(&netfs_n_rh_zero),
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2020-09-22 18:06:07 +08:00
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atomic_read(&netfs_n_rh_short_read),
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atomic_read(&netfs_n_rh_write_zskip));
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2020-11-03 19:32:41 +08:00
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seq_printf(m, "RdHelp : DL=%u ds=%u df=%u di=%u\n",
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atomic_read(&netfs_n_rh_download),
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atomic_read(&netfs_n_rh_download_done),
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atomic_read(&netfs_n_rh_download_failed),
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atomic_read(&netfs_n_rh_download_instead));
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seq_printf(m, "RdHelp : RD=%u rs=%u rf=%u\n",
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atomic_read(&netfs_n_rh_read),
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atomic_read(&netfs_n_rh_read_done),
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atomic_read(&netfs_n_rh_read_failed));
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seq_printf(m, "RdHelp : WR=%u ws=%u wf=%u\n",
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atomic_read(&netfs_n_rh_write),
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atomic_read(&netfs_n_rh_write_done),
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atomic_read(&netfs_n_rh_write_failed));
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}
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EXPORT_SYMBOL(netfs_stats_show);
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