| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
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| 2 | /* Netfs support statistics |
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| 3 | * |
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| 4 | * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved. |
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| 5 | * Written by David Howells (dhowells@redhat.com) |
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| 6 | */ |
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| 7 | |
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| 8 | #include <linux/export.h> |
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| 9 | #include <linux/seq_file.h> |
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| 10 | #include "internal.h" |
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| 11 | |
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| 12 | atomic_t netfs_n_rh_dio_read; |
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| 13 | atomic_t netfs_n_rh_dio_write; |
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| 14 | atomic_t netfs_n_rh_readahead; |
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| 15 | atomic_t netfs_n_rh_readpage; |
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| 16 | atomic_t netfs_n_rh_rreq; |
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| 17 | atomic_t netfs_n_rh_sreq; |
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| 18 | atomic_t netfs_n_rh_download; |
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| 19 | atomic_t netfs_n_rh_download_done; |
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| 20 | atomic_t netfs_n_rh_download_failed; |
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| 21 | atomic_t netfs_n_rh_download_instead; |
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| 22 | atomic_t netfs_n_rh_read; |
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| 23 | atomic_t netfs_n_rh_read_done; |
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| 24 | atomic_t netfs_n_rh_read_failed; |
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| 25 | atomic_t netfs_n_rh_zero; |
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| 26 | atomic_t netfs_n_rh_short_read; |
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| 27 | atomic_t netfs_n_rh_write; |
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| 28 | atomic_t netfs_n_rh_write_begin; |
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| 29 | atomic_t netfs_n_rh_write_done; |
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| 30 | atomic_t netfs_n_rh_write_failed; |
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| 31 | atomic_t netfs_n_rh_write_zskip; |
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| 32 | atomic_t netfs_n_wh_wstream_conflict; |
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| 33 | atomic_t netfs_n_wh_upload; |
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| 34 | atomic_t netfs_n_wh_upload_done; |
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| 35 | atomic_t netfs_n_wh_upload_failed; |
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| 36 | atomic_t netfs_n_wh_write; |
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| 37 | atomic_t netfs_n_wh_write_done; |
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| 38 | atomic_t netfs_n_wh_write_failed; |
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| 39 | |
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| 40 | int netfs_stats_show(struct seq_file *m, void *v) |
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| 41 | { |
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| 42 | seq_printf(m, fmt: "Netfs : DR=%u DW=%u RA=%u RP=%u WB=%u WBZ=%u\n" , |
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| 43 | atomic_read(v: &netfs_n_rh_dio_read), |
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| 44 | atomic_read(v: &netfs_n_rh_dio_write), |
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| 45 | atomic_read(v: &netfs_n_rh_readahead), |
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| 46 | atomic_read(v: &netfs_n_rh_readpage), |
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| 47 | atomic_read(v: &netfs_n_rh_write_begin), |
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| 48 | atomic_read(v: &netfs_n_rh_write_zskip)); |
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| 49 | seq_printf(m, fmt: "Netfs : ZR=%u sh=%u sk=%u\n" , |
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| 50 | atomic_read(v: &netfs_n_rh_zero), |
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| 51 | atomic_read(v: &netfs_n_rh_short_read), |
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| 52 | atomic_read(v: &netfs_n_rh_write_zskip)); |
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| 53 | seq_printf(m, fmt: "Netfs : DL=%u ds=%u df=%u di=%u\n" , |
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| 54 | atomic_read(v: &netfs_n_rh_download), |
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| 55 | atomic_read(v: &netfs_n_rh_download_done), |
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| 56 | atomic_read(v: &netfs_n_rh_download_failed), |
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| 57 | atomic_read(v: &netfs_n_rh_download_instead)); |
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| 58 | seq_printf(m, fmt: "Netfs : RD=%u rs=%u rf=%u\n" , |
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| 59 | atomic_read(v: &netfs_n_rh_read), |
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| 60 | atomic_read(v: &netfs_n_rh_read_done), |
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| 61 | atomic_read(v: &netfs_n_rh_read_failed)); |
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| 62 | seq_printf(m, fmt: "Netfs : UL=%u us=%u uf=%u\n" , |
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| 63 | atomic_read(v: &netfs_n_wh_upload), |
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| 64 | atomic_read(v: &netfs_n_wh_upload_done), |
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| 65 | atomic_read(v: &netfs_n_wh_upload_failed)); |
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| 66 | seq_printf(m, fmt: "Netfs : WR=%u ws=%u wf=%u\n" , |
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| 67 | atomic_read(v: &netfs_n_wh_write), |
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| 68 | atomic_read(v: &netfs_n_wh_write_done), |
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| 69 | atomic_read(v: &netfs_n_wh_write_failed)); |
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| 70 | seq_printf(m, fmt: "Netfs : rr=%u sr=%u wsc=%u\n" , |
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| 71 | atomic_read(v: &netfs_n_rh_rreq), |
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| 72 | atomic_read(v: &netfs_n_rh_sreq), |
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| 73 | atomic_read(v: &netfs_n_wh_wstream_conflict)); |
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| 74 | return fscache_stats_show(m); |
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| 75 | } |
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| 76 | EXPORT_SYMBOL(netfs_stats_show); |
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| 77 | |
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