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1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* Netfs support statistics | |
3 | * | |
4 | * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved. | |
5 | * Written by David Howells (dhowells@redhat.com) | |
6 | */ | |
7 | ||
8 | #include <linux/export.h> | |
9 | #include <linux/seq_file.h> | |
289af54c DH |
10 | #include "internal.h" |
11 | ||
12 | atomic_t netfs_n_rh_readahead; | |
13 | atomic_t netfs_n_rh_readpage; | |
14 | atomic_t netfs_n_rh_rreq; | |
15 | atomic_t netfs_n_rh_sreq; | |
16 | atomic_t netfs_n_rh_download; | |
17 | atomic_t netfs_n_rh_download_done; | |
18 | atomic_t netfs_n_rh_download_failed; | |
19 | atomic_t netfs_n_rh_download_instead; | |
20 | atomic_t netfs_n_rh_read; | |
21 | atomic_t netfs_n_rh_read_done; | |
22 | atomic_t netfs_n_rh_read_failed; | |
23 | atomic_t netfs_n_rh_zero; | |
24 | atomic_t netfs_n_rh_short_read; | |
25 | atomic_t netfs_n_rh_write; | |
e1b1240c | 26 | atomic_t netfs_n_rh_write_begin; |
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27 | atomic_t netfs_n_rh_write_done; |
28 | atomic_t netfs_n_rh_write_failed; | |
e1b1240c | 29 | atomic_t netfs_n_rh_write_zskip; |
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30 | |
31 | void netfs_stats_show(struct seq_file *m) | |
32 | { | |
e1b1240c | 33 | seq_printf(m, "RdHelp : RA=%u RP=%u WB=%u WBZ=%u rr=%u sr=%u\n", |
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34 | atomic_read(&netfs_n_rh_readahead), |
35 | atomic_read(&netfs_n_rh_readpage), | |
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36 | atomic_read(&netfs_n_rh_write_begin), |
37 | atomic_read(&netfs_n_rh_write_zskip), | |
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38 | atomic_read(&netfs_n_rh_rreq), |
39 | atomic_read(&netfs_n_rh_sreq)); | |
e1b1240c | 40 | seq_printf(m, "RdHelp : ZR=%u sh=%u sk=%u\n", |
289af54c | 41 | atomic_read(&netfs_n_rh_zero), |
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42 | atomic_read(&netfs_n_rh_short_read), |
43 | atomic_read(&netfs_n_rh_write_zskip)); | |
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44 | seq_printf(m, "RdHelp : DL=%u ds=%u df=%u di=%u\n", |
45 | atomic_read(&netfs_n_rh_download), | |
46 | atomic_read(&netfs_n_rh_download_done), | |
47 | atomic_read(&netfs_n_rh_download_failed), | |
48 | atomic_read(&netfs_n_rh_download_instead)); | |
49 | seq_printf(m, "RdHelp : RD=%u rs=%u rf=%u\n", | |
50 | atomic_read(&netfs_n_rh_read), | |
51 | atomic_read(&netfs_n_rh_read_done), | |
52 | atomic_read(&netfs_n_rh_read_failed)); | |
53 | seq_printf(m, "RdHelp : WR=%u ws=%u wf=%u\n", | |
54 | atomic_read(&netfs_n_rh_write), | |
55 | atomic_read(&netfs_n_rh_write_done), | |
56 | atomic_read(&netfs_n_rh_write_failed)); | |
57 | } | |
58 | EXPORT_SYMBOL(netfs_stats_show); |