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> 10 #include "internal.h" 11 12 atomic_t netfs_n_rh_dio_read; 13 atomic_t netfs_n_rh_dio_write; 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; 28 atomic_t netfs_n_rh_write_begin; 29 atomic_t netfs_n_rh_write_done; 30 atomic_t netfs_n_rh_write_failed; 31 atomic_t netfs_n_rh_write_zskip; 32 atomic_t netfs_n_wh_wstream_conflict; 33 atomic_t netfs_n_wh_upload; 34 atomic_t netfs_n_wh_upload_done; 35 atomic_t netfs_n_wh_upload_failed; 36 atomic_t netfs_n_wh_write; 37 atomic_t netfs_n_wh_write_done; 38 atomic_t netfs_n_wh_write_failed; 39 40 int netfs_stats_show(struct seq_file *m, void *v) 41 { 42 seq_printf(m, "Netfs : DR=%u DW=%u RA=%u RP=%u WB=%u WBZ=%u\n", 43 atomic_read(&netfs_n_rh_dio_read), 44 atomic_read(&netfs_n_rh_dio_write), 45 atomic_read(&netfs_n_rh_readahead), 46 atomic_read(&netfs_n_rh_readpage), 47 atomic_read(&netfs_n_rh_write_begin), 48 atomic_read(&netfs_n_rh_write_zskip)); 49 seq_printf(m, "Netfs : ZR=%u sh=%u sk=%u\n", 50 atomic_read(&netfs_n_rh_zero), 51 atomic_read(&netfs_n_rh_short_read), 52 atomic_read(&netfs_n_rh_write_zskip)); 53 seq_printf(m, "Netfs : DL=%u ds=%u df=%u di=%u\n", 54 atomic_read(&netfs_n_rh_download), 55 atomic_read(&netfs_n_rh_download_done), 56 atomic_read(&netfs_n_rh_download_failed), 57 atomic_read(&netfs_n_rh_download_instead)); 58 seq_printf(m, "Netfs : RD=%u rs=%u rf=%u\n", 59 atomic_read(&netfs_n_rh_read), 60 atomic_read(&netfs_n_rh_read_done), 61 atomic_read(&netfs_n_rh_read_failed)); 62 seq_printf(m, "Netfs : UL=%u us=%u uf=%u\n", 63 atomic_read(&netfs_n_wh_upload), 64 atomic_read(&netfs_n_wh_upload_done), 65 atomic_read(&netfs_n_wh_upload_failed)); 66 seq_printf(m, "Netfs : WR=%u ws=%u wf=%u\n", 67 atomic_read(&netfs_n_wh_write), 68 atomic_read(&netfs_n_wh_write_done), 69 atomic_read(&netfs_n_wh_write_failed)); 70 seq_printf(m, "Netfs : rr=%u sr=%u wsc=%u\n", 71 atomic_read(&netfs_n_rh_rreq), 72 atomic_read(&netfs_n_rh_sreq), 73 atomic_read(&netfs_n_wh_wstream_conflict)); 74 return fscache_stats_show(m); 75 } 76 EXPORT_SYMBOL(netfs_stats_show); 77