projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 289af54c DH |
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 | ||
| 016dc851 | 12 | atomic_t netfs_n_rh_dio_read; |
| 4088e389 | 13 | atomic_t netfs_n_rh_dio_write; |
| 289af54c DH |
14 | atomic_t netfs_n_rh_readahead; |
| 15 | atomic_t netfs_n_rh_readpage; | |
| 16 | atomic_t netfs_n_rh_rreq; | |
| 17 | atomic_t netfs_n_rh_sreq; | |
| 18 | atomic_t netfs_n_rh_download; | |
| 19 | atomic_t netfs_n_rh_download_done; | |
| 20 | atomic_t netfs_n_rh_download_failed; | |
| 21 | atomic_t netfs_n_rh_download_instead; | |
| 22 | atomic_t netfs_n_rh_read; | |
| 23 | atomic_t netfs_n_rh_read_done; | |
| 24 | atomic_t netfs_n_rh_read_failed; | |
| 25 | atomic_t netfs_n_rh_zero; | |
| 26 | atomic_t netfs_n_rh_short_read; | |
| 27 | atomic_t netfs_n_rh_write; | |
| e1b1240c | 28 | atomic_t netfs_n_rh_write_begin; |
| 289af54c DH |
29 | atomic_t netfs_n_rh_write_done; |
| 30 | atomic_t netfs_n_rh_write_failed; | |
| e1b1240c | 31 | atomic_t netfs_n_rh_write_zskip; |
| 16af134c DH |
32 | atomic_t netfs_n_wh_upload; |
| 33 | atomic_t netfs_n_wh_upload_done; | |
| 34 | atomic_t netfs_n_wh_upload_failed; | |
| 35 | atomic_t netfs_n_wh_write; | |
| 36 | atomic_t netfs_n_wh_write_done; | |
| 37 | atomic_t netfs_n_wh_write_failed; | |
| 289af54c | 38 | |
| 7eb5b3e3 | 39 | int netfs_stats_show(struct seq_file *m, void *v) |
| 289af54c | 40 | { |
| 4088e389 | 41 | seq_printf(m, "Netfs : DR=%u DW=%u RA=%u RP=%u WB=%u WBZ=%u\n", |
| 016dc851 | 42 | atomic_read(&netfs_n_rh_dio_read), |
| 4088e389 | 43 | atomic_read(&netfs_n_rh_dio_write), |
| 289af54c DH |
44 | atomic_read(&netfs_n_rh_readahead), |
| 45 | atomic_read(&netfs_n_rh_readpage), | |
| e1b1240c | 46 | atomic_read(&netfs_n_rh_write_begin), |
| 4088e389 | 47 | atomic_read(&netfs_n_rh_write_zskip)); |
| 7eb5b3e3 | 48 | seq_printf(m, "Netfs : ZR=%u sh=%u sk=%u\n", |
| 289af54c | 49 | atomic_read(&netfs_n_rh_zero), |
| e1b1240c DH |
50 | atomic_read(&netfs_n_rh_short_read), |
| 51 | atomic_read(&netfs_n_rh_write_zskip)); | |
| 7eb5b3e3 | 52 | seq_printf(m, "Netfs : DL=%u ds=%u df=%u di=%u\n", |
| 289af54c DH |
53 | atomic_read(&netfs_n_rh_download), |
| 54 | atomic_read(&netfs_n_rh_download_done), | |
| 55 | atomic_read(&netfs_n_rh_download_failed), | |
| 56 | atomic_read(&netfs_n_rh_download_instead)); | |
| 7eb5b3e3 | 57 | seq_printf(m, "Netfs : RD=%u rs=%u rf=%u\n", |
| 289af54c DH |
58 | atomic_read(&netfs_n_rh_read), |
| 59 | atomic_read(&netfs_n_rh_read_done), | |
| 60 | atomic_read(&netfs_n_rh_read_failed)); | |
| 16af134c DH |
61 | seq_printf(m, "Netfs : UL=%u us=%u uf=%u\n", |
| 62 | atomic_read(&netfs_n_wh_upload), | |
| 63 | atomic_read(&netfs_n_wh_upload_done), | |
| 64 | atomic_read(&netfs_n_wh_upload_failed)); | |
| 7eb5b3e3 | 65 | seq_printf(m, "Netfs : WR=%u ws=%u wf=%u\n", |
| 16af134c DH |
66 | atomic_read(&netfs_n_wh_write), |
| 67 | atomic_read(&netfs_n_wh_write_done), | |
| 68 | atomic_read(&netfs_n_wh_write_failed)); | |
| 4088e389 DH |
69 | seq_printf(m, "Netfs : rr=%u sr=%u\n", |
| 70 | atomic_read(&netfs_n_rh_rreq), | |
| 71 | atomic_read(&netfs_n_rh_sreq)); | |
| 7eb5b3e3 | 72 | return fscache_stats_show(m); |
| 289af54c DH |
73 | } |
| 74 | EXPORT_SYMBOL(netfs_stats_show); |