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 | ||
| 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; |
| 289af54c DH |
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; |
| 289af54c DH |
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", |
| 289af54c DH |
34 | atomic_read(&netfs_n_rh_readahead), |
| 35 | atomic_read(&netfs_n_rh_readpage), | |
| e1b1240c DH |
36 | atomic_read(&netfs_n_rh_write_begin), |
| 37 | atomic_read(&netfs_n_rh_write_zskip), | |
| 289af54c DH |
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), |
| e1b1240c DH |
42 | atomic_read(&netfs_n_rh_short_read), |
| 43 | atomic_read(&netfs_n_rh_write_zskip)); | |
| 289af54c DH |
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); |