84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
// 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 "internal.h"
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atomic_t netfs_n_rh_dio_read;
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atomic_t netfs_n_rh_readahead;
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atomic_t netfs_n_rh_read_folio;
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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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atomic_t netfs_n_rh_write_begin;
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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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atomic_t netfs_n_rh_write_zskip;
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atomic_t netfs_n_wh_buffered_write;
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atomic_t netfs_n_wh_writethrough;
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atomic_t netfs_n_wh_dio_write;
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atomic_t netfs_n_wh_writepages;
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atomic_t netfs_n_wh_wstream_conflict;
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atomic_t netfs_n_wh_upload;
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atomic_t netfs_n_wh_upload_done;
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atomic_t netfs_n_wh_upload_failed;
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atomic_t netfs_n_wh_write;
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atomic_t netfs_n_wh_write_done;
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atomic_t netfs_n_wh_write_failed;
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int netfs_stats_show(struct seq_file *m, void *v)
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{
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seq_printf(m, "Netfs : DR=%u RA=%u RF=%u WB=%u WBZ=%u\n",
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atomic_read(&netfs_n_rh_dio_read),
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atomic_read(&netfs_n_rh_readahead),
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atomic_read(&netfs_n_rh_read_folio),
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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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seq_printf(m, "Netfs : BW=%u WT=%u DW=%u WP=%u\n",
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atomic_read(&netfs_n_wh_buffered_write),
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atomic_read(&netfs_n_wh_writethrough),
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atomic_read(&netfs_n_wh_dio_write),
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atomic_read(&netfs_n_wh_writepages));
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seq_printf(m, "Netfs : ZR=%u sh=%u sk=%u\n",
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atomic_read(&netfs_n_rh_zero),
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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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seq_printf(m, "Netfs : 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, "Netfs : 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, "Netfs : UL=%u us=%u uf=%u\n",
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atomic_read(&netfs_n_wh_upload),
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atomic_read(&netfs_n_wh_upload_done),
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atomic_read(&netfs_n_wh_upload_failed));
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seq_printf(m, "Netfs : WR=%u ws=%u wf=%u\n",
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atomic_read(&netfs_n_wh_write),
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atomic_read(&netfs_n_wh_write_done),
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atomic_read(&netfs_n_wh_write_failed));
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seq_printf(m, "Netfs : rr=%u sr=%u wsc=%u\n",
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atomic_read(&netfs_n_rh_rreq),
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atomic_read(&netfs_n_rh_sreq),
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atomic_read(&netfs_n_wh_wstream_conflict));
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return fscache_stats_show(m);
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}
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EXPORT_SYMBOL(netfs_stats_show);
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