11e1236b8SDavid Howells /* SPDX-License-Identifier: GPL-2.0-or-later */ 21e1236b8SDavid Howells /* FS-Cache tracepoints 31e1236b8SDavid Howells * 41e1236b8SDavid Howells * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved. 51e1236b8SDavid Howells * Written by David Howells (dhowells@redhat.com) 61e1236b8SDavid Howells */ 71e1236b8SDavid Howells #undef TRACE_SYSTEM 81e1236b8SDavid Howells #define TRACE_SYSTEM fscache 91e1236b8SDavid Howells 101e1236b8SDavid Howells #if !defined(_TRACE_FSCACHE_H) || defined(TRACE_HEADER_MULTI_READ) 111e1236b8SDavid Howells #define _TRACE_FSCACHE_H 121e1236b8SDavid Howells 131e1236b8SDavid Howells #include <linux/fscache.h> 141e1236b8SDavid Howells #include <linux/tracepoint.h> 151e1236b8SDavid Howells 161e1236b8SDavid Howells /* 171e1236b8SDavid Howells * Define enums for tracing information. 181e1236b8SDavid Howells */ 191e1236b8SDavid Howells #ifndef __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY 201e1236b8SDavid Howells #define __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY 211e1236b8SDavid Howells 229549332dSDavid Howells enum fscache_cache_trace { 239549332dSDavid Howells fscache_cache_collision, 249549332dSDavid Howells fscache_cache_get_acquire, 259549332dSDavid Howells fscache_cache_new_acquire, 2662ab6335SDavid Howells fscache_cache_put_alloc_volume, 279549332dSDavid Howells fscache_cache_put_cache, 289549332dSDavid Howells fscache_cache_put_prep_failed, 299549332dSDavid Howells fscache_cache_put_relinquish, 3062ab6335SDavid Howells fscache_cache_put_volume, 3162ab6335SDavid Howells }; 3262ab6335SDavid Howells 3362ab6335SDavid Howells enum fscache_volume_trace { 3462ab6335SDavid Howells fscache_volume_collision, 3562ab6335SDavid Howells fscache_volume_get_cookie, 3662ab6335SDavid Howells fscache_volume_get_create_work, 3762ab6335SDavid Howells fscache_volume_get_hash_collision, 3862ab6335SDavid Howells fscache_volume_free, 3962ab6335SDavid Howells fscache_volume_new_acquire, 4062ab6335SDavid Howells fscache_volume_put_cookie, 4162ab6335SDavid Howells fscache_volume_put_create_work, 4262ab6335SDavid Howells fscache_volume_put_hash_collision, 4362ab6335SDavid Howells fscache_volume_put_relinquish, 4462ab6335SDavid Howells fscache_volume_see_create_work, 4562ab6335SDavid Howells fscache_volume_see_hash_wake, 46e6acd329SDavid Howells fscache_volume_wait_create_work, 479549332dSDavid Howells }; 489549332dSDavid Howells 497f3283abSDavid Howells enum fscache_cookie_trace { 507f3283abSDavid Howells fscache_cookie_collision, 517f3283abSDavid Howells fscache_cookie_discard, 521a1e3acaSJeff Layton fscache_cookie_failed, 53df98e87fSDavid Howells fscache_cookie_get_attach_object, 547f3283abSDavid Howells fscache_cookie_get_end_access, 557f3283abSDavid Howells fscache_cookie_get_hash_collision, 56d24af13eSDavid Howells fscache_cookie_get_inval_work, 5712bb21a2SDavid Howells fscache_cookie_get_lru, 5812bb21a2SDavid Howells fscache_cookie_get_use_work, 597f3283abSDavid Howells fscache_cookie_new_acquire, 607f3283abSDavid Howells fscache_cookie_put_hash_collision, 6112bb21a2SDavid Howells fscache_cookie_put_lru, 62df98e87fSDavid Howells fscache_cookie_put_object, 637f3283abSDavid Howells fscache_cookie_put_over_queued, 647f3283abSDavid Howells fscache_cookie_put_relinquish, 657f3283abSDavid Howells fscache_cookie_put_withdrawn, 667f3283abSDavid Howells fscache_cookie_put_work, 677f3283abSDavid Howells fscache_cookie_see_active, 6812bb21a2SDavid Howells fscache_cookie_see_lru_discard, 69*b5b52de3SDave Wysochanski fscache_cookie_see_lru_discard_clear, 7012bb21a2SDavid Howells fscache_cookie_see_lru_do_one, 717f3283abSDavid Howells fscache_cookie_see_relinquish, 727f3283abSDavid Howells fscache_cookie_see_withdraw, 737f3283abSDavid Howells fscache_cookie_see_work, 747f3283abSDavid Howells }; 757f3283abSDavid Howells 76e6435f1eSDavid Howells enum fscache_active_trace { 77e6435f1eSDavid Howells fscache_active_use, 78e6435f1eSDavid Howells fscache_active_use_modify, 79e6435f1eSDavid Howells fscache_active_unuse, 80e6435f1eSDavid Howells }; 81e6435f1eSDavid Howells 8223e12e28SDavid Howells enum fscache_access_trace { 83bfa22da3SDavid Howells fscache_access_acquire_volume, 84bfa22da3SDavid Howells fscache_access_acquire_volume_end, 8523e12e28SDavid Howells fscache_access_cache_pin, 8623e12e28SDavid Howells fscache_access_cache_unpin, 87d24af13eSDavid Howells fscache_access_invalidate_cookie, 88d24af13eSDavid Howells fscache_access_invalidate_cookie_end, 89287fd611SDavid Howells fscache_access_io_end, 90d64f4554SDavid Howells fscache_access_io_not_live, 91d64f4554SDavid Howells fscache_access_io_read, 9216a96bdfSDavid Howells fscache_access_io_resize, 93d64f4554SDavid Howells fscache_access_io_wait, 949af1c6c3SDavid Howells fscache_access_io_write, 9512bb21a2SDavid Howells fscache_access_lookup_cookie, 965d00e426SDavid Howells fscache_access_lookup_cookie_end, 975d00e426SDavid Howells fscache_access_lookup_cookie_end_failed, 98bfa22da3SDavid Howells fscache_access_relinquish_volume, 99bfa22da3SDavid Howells fscache_access_relinquish_volume_end, 10023e12e28SDavid Howells fscache_access_unlive, 10123e12e28SDavid Howells }; 10223e12e28SDavid Howells 1031e1236b8SDavid Howells #endif 1041e1236b8SDavid Howells 1051e1236b8SDavid Howells /* 1061e1236b8SDavid Howells * Declare tracing information enums and their string mappings for display. 1071e1236b8SDavid Howells */ 1089549332dSDavid Howells #define fscache_cache_traces \ 1099549332dSDavid Howells EM(fscache_cache_collision, "*COLLIDE*") \ 1109549332dSDavid Howells EM(fscache_cache_get_acquire, "GET acq ") \ 1119549332dSDavid Howells EM(fscache_cache_new_acquire, "NEW acq ") \ 11262ab6335SDavid Howells EM(fscache_cache_put_alloc_volume, "PUT alvol") \ 1139549332dSDavid Howells EM(fscache_cache_put_cache, "PUT cache") \ 1149549332dSDavid Howells EM(fscache_cache_put_prep_failed, "PUT pfail") \ 11562ab6335SDavid Howells EM(fscache_cache_put_relinquish, "PUT relnq") \ 11662ab6335SDavid Howells E_(fscache_cache_put_volume, "PUT vol ") 11762ab6335SDavid Howells 11862ab6335SDavid Howells #define fscache_volume_traces \ 11962ab6335SDavid Howells EM(fscache_volume_collision, "*COLLIDE*") \ 12062ab6335SDavid Howells EM(fscache_volume_get_cookie, "GET cook ") \ 12162ab6335SDavid Howells EM(fscache_volume_get_create_work, "GET creat") \ 12262ab6335SDavid Howells EM(fscache_volume_get_hash_collision, "GET hcoll") \ 12362ab6335SDavid Howells EM(fscache_volume_free, "FREE ") \ 12462ab6335SDavid Howells EM(fscache_volume_new_acquire, "NEW acq ") \ 12562ab6335SDavid Howells EM(fscache_volume_put_cookie, "PUT cook ") \ 12662ab6335SDavid Howells EM(fscache_volume_put_create_work, "PUT creat") \ 12762ab6335SDavid Howells EM(fscache_volume_put_hash_collision, "PUT hcoll") \ 12862ab6335SDavid Howells EM(fscache_volume_put_relinquish, "PUT relnq") \ 12962ab6335SDavid Howells EM(fscache_volume_see_create_work, "SEE creat") \ 130bfa22da3SDavid Howells EM(fscache_volume_see_hash_wake, "SEE hwake") \ 131bfa22da3SDavid Howells E_(fscache_volume_wait_create_work, "WAIT crea") 1321e1236b8SDavid Howells 1337f3283abSDavid Howells #define fscache_cookie_traces \ 1347f3283abSDavid Howells EM(fscache_cookie_collision, "*COLLIDE*") \ 1357f3283abSDavid Howells EM(fscache_cookie_discard, "DISCARD ") \ 1361a1e3acaSJeff Layton EM(fscache_cookie_failed, "FAILED ") \ 137df98e87fSDavid Howells EM(fscache_cookie_get_attach_object, "GET attch") \ 1387f3283abSDavid Howells EM(fscache_cookie_get_hash_collision, "GET hcoll") \ 1397f3283abSDavid Howells EM(fscache_cookie_get_end_access, "GQ endac") \ 140d24af13eSDavid Howells EM(fscache_cookie_get_inval_work, "GQ inval") \ 14112bb21a2SDavid Howells EM(fscache_cookie_get_lru, "GET lru ") \ 14212bb21a2SDavid Howells EM(fscache_cookie_get_use_work, "GQ use ") \ 1437f3283abSDavid Howells EM(fscache_cookie_new_acquire, "NEW acq ") \ 1447f3283abSDavid Howells EM(fscache_cookie_put_hash_collision, "PUT hcoll") \ 14512bb21a2SDavid Howells EM(fscache_cookie_put_lru, "PUT lru ") \ 146df98e87fSDavid Howells EM(fscache_cookie_put_object, "PUT obj ") \ 1477f3283abSDavid Howells EM(fscache_cookie_put_over_queued, "PQ overq") \ 1487f3283abSDavid Howells EM(fscache_cookie_put_relinquish, "PUT relnq") \ 1497f3283abSDavid Howells EM(fscache_cookie_put_withdrawn, "PUT wthdn") \ 1507f3283abSDavid Howells EM(fscache_cookie_put_work, "PQ work ") \ 1517f3283abSDavid Howells EM(fscache_cookie_see_active, "- activ") \ 15212bb21a2SDavid Howells EM(fscache_cookie_see_lru_discard, "- x-lru") \ 153*b5b52de3SDave Wysochanski EM(fscache_cookie_see_lru_discard_clear,"- lrudc") \ 15412bb21a2SDavid Howells EM(fscache_cookie_see_lru_do_one, "- lrudo") \ 1557f3283abSDavid Howells EM(fscache_cookie_see_relinquish, "- x-rlq") \ 1567f3283abSDavid Howells EM(fscache_cookie_see_withdraw, "- x-wth") \ 1577f3283abSDavid Howells E_(fscache_cookie_see_work, "- work ") 1587f3283abSDavid Howells 159e6435f1eSDavid Howells #define fscache_active_traces \ 160e6435f1eSDavid Howells EM(fscache_active_use, "USE ") \ 161e6435f1eSDavid Howells EM(fscache_active_use_modify, "USE-m ") \ 162e6435f1eSDavid Howells E_(fscache_active_unuse, "UNUSE ") 163e6435f1eSDavid Howells 16423e12e28SDavid Howells #define fscache_access_traces \ 165bfa22da3SDavid Howells EM(fscache_access_acquire_volume, "BEGIN acq_vol") \ 166bfa22da3SDavid Howells EM(fscache_access_acquire_volume_end, "END acq_vol") \ 16723e12e28SDavid Howells EM(fscache_access_cache_pin, "PIN cache ") \ 16823e12e28SDavid Howells EM(fscache_access_cache_unpin, "UNPIN cache ") \ 169d24af13eSDavid Howells EM(fscache_access_invalidate_cookie, "BEGIN inval ") \ 170d24af13eSDavid Howells EM(fscache_access_invalidate_cookie_end,"END inval ") \ 171287fd611SDavid Howells EM(fscache_access_io_end, "END io ") \ 172d64f4554SDavid Howells EM(fscache_access_io_not_live, "END io_notl") \ 173d64f4554SDavid Howells EM(fscache_access_io_read, "BEGIN io_read") \ 17416a96bdfSDavid Howells EM(fscache_access_io_resize, "BEGIN io_resz") \ 175d64f4554SDavid Howells EM(fscache_access_io_wait, "WAIT io ") \ 1769af1c6c3SDavid Howells EM(fscache_access_io_write, "BEGIN io_writ") \ 17712bb21a2SDavid Howells EM(fscache_access_lookup_cookie, "BEGIN lookup ") \ 1785d00e426SDavid Howells EM(fscache_access_lookup_cookie_end, "END lookup ") \ 1795d00e426SDavid Howells EM(fscache_access_lookup_cookie_end_failed,"END lookupf") \ 180bfa22da3SDavid Howells EM(fscache_access_relinquish_volume, "BEGIN rlq_vol") \ 181bfa22da3SDavid Howells EM(fscache_access_relinquish_volume_end,"END rlq_vol") \ 18223e12e28SDavid Howells E_(fscache_access_unlive, "END unlive ") 18323e12e28SDavid Howells 1841e1236b8SDavid Howells /* 1851e1236b8SDavid Howells * Export enum symbols via userspace. 1861e1236b8SDavid Howells */ 1871e1236b8SDavid Howells #undef EM 1881e1236b8SDavid Howells #undef E_ 1891e1236b8SDavid Howells #define EM(a, b) TRACE_DEFINE_ENUM(a); 1901e1236b8SDavid Howells #define E_(a, b) TRACE_DEFINE_ENUM(a); 1911e1236b8SDavid Howells 1929549332dSDavid Howells fscache_cache_traces; 19362ab6335SDavid Howells fscache_volume_traces; 1947f3283abSDavid Howells fscache_cookie_traces; 19523e12e28SDavid Howells fscache_access_traces; 1969549332dSDavid Howells 1971e1236b8SDavid Howells /* 1981e1236b8SDavid Howells * Now redefine the EM() and E_() macros to map the enums to the strings that 1991e1236b8SDavid Howells * will be printed in the output. 2001e1236b8SDavid Howells */ 2011e1236b8SDavid Howells #undef EM 2021e1236b8SDavid Howells #undef E_ 2031e1236b8SDavid Howells #define EM(a, b) { a, b }, 2041e1236b8SDavid Howells #define E_(a, b) { a, b } 2051e1236b8SDavid Howells 2061e1236b8SDavid Howells 2079549332dSDavid Howells TRACE_EVENT(fscache_cache, 2089549332dSDavid Howells TP_PROTO(unsigned int cache_debug_id, 2099549332dSDavid Howells int usage, 2109549332dSDavid Howells enum fscache_cache_trace where), 2119549332dSDavid Howells 2129549332dSDavid Howells TP_ARGS(cache_debug_id, usage, where), 2139549332dSDavid Howells 2149549332dSDavid Howells TP_STRUCT__entry( 2159549332dSDavid Howells __field(unsigned int, cache ) 2169549332dSDavid Howells __field(int, usage ) 2179549332dSDavid Howells __field(enum fscache_cache_trace, where ) 2189549332dSDavid Howells ), 2199549332dSDavid Howells 2209549332dSDavid Howells TP_fast_assign( 2219549332dSDavid Howells __entry->cache = cache_debug_id; 2229549332dSDavid Howells __entry->usage = usage; 2239549332dSDavid Howells __entry->where = where; 2249549332dSDavid Howells ), 2259549332dSDavid Howells 2269549332dSDavid Howells TP_printk("C=%08x %s r=%d", 2279549332dSDavid Howells __entry->cache, 2289549332dSDavid Howells __print_symbolic(__entry->where, fscache_cache_traces), 2299549332dSDavid Howells __entry->usage) 2309549332dSDavid Howells ); 2319549332dSDavid Howells 23262ab6335SDavid Howells TRACE_EVENT(fscache_volume, 23362ab6335SDavid Howells TP_PROTO(unsigned int volume_debug_id, 23462ab6335SDavid Howells int usage, 23562ab6335SDavid Howells enum fscache_volume_trace where), 23662ab6335SDavid Howells 23762ab6335SDavid Howells TP_ARGS(volume_debug_id, usage, where), 23862ab6335SDavid Howells 23962ab6335SDavid Howells TP_STRUCT__entry( 24062ab6335SDavid Howells __field(unsigned int, volume ) 24162ab6335SDavid Howells __field(int, usage ) 24262ab6335SDavid Howells __field(enum fscache_volume_trace, where ) 24362ab6335SDavid Howells ), 24462ab6335SDavid Howells 24562ab6335SDavid Howells TP_fast_assign( 24662ab6335SDavid Howells __entry->volume = volume_debug_id; 24762ab6335SDavid Howells __entry->usage = usage; 24862ab6335SDavid Howells __entry->where = where; 24962ab6335SDavid Howells ), 25062ab6335SDavid Howells 25162ab6335SDavid Howells TP_printk("V=%08x %s u=%d", 25262ab6335SDavid Howells __entry->volume, 25362ab6335SDavid Howells __print_symbolic(__entry->where, fscache_volume_traces), 25462ab6335SDavid Howells __entry->usage) 25562ab6335SDavid Howells ); 25662ab6335SDavid Howells 2577f3283abSDavid Howells TRACE_EVENT(fscache_cookie, 2587f3283abSDavid Howells TP_PROTO(unsigned int cookie_debug_id, 2597f3283abSDavid Howells int ref, 2607f3283abSDavid Howells enum fscache_cookie_trace where), 2617f3283abSDavid Howells 2627f3283abSDavid Howells TP_ARGS(cookie_debug_id, ref, where), 2637f3283abSDavid Howells 2647f3283abSDavid Howells TP_STRUCT__entry( 2657f3283abSDavid Howells __field(unsigned int, cookie ) 2667f3283abSDavid Howells __field(int, ref ) 2677f3283abSDavid Howells __field(enum fscache_cookie_trace, where ) 2687f3283abSDavid Howells ), 2697f3283abSDavid Howells 2707f3283abSDavid Howells TP_fast_assign( 2717f3283abSDavid Howells __entry->cookie = cookie_debug_id; 2727f3283abSDavid Howells __entry->ref = ref; 2737f3283abSDavid Howells __entry->where = where; 2747f3283abSDavid Howells ), 2757f3283abSDavid Howells 2767f3283abSDavid Howells TP_printk("c=%08x %s r=%d", 2777f3283abSDavid Howells __entry->cookie, 2787f3283abSDavid Howells __print_symbolic(__entry->where, fscache_cookie_traces), 2797f3283abSDavid Howells __entry->ref) 2807f3283abSDavid Howells ); 2817f3283abSDavid Howells 282e6435f1eSDavid Howells TRACE_EVENT(fscache_active, 283e6435f1eSDavid Howells TP_PROTO(unsigned int cookie_debug_id, 284e6435f1eSDavid Howells int ref, 285e6435f1eSDavid Howells int n_active, 286e6435f1eSDavid Howells int n_accesses, 287e6435f1eSDavid Howells enum fscache_active_trace why), 288e6435f1eSDavid Howells 289e6435f1eSDavid Howells TP_ARGS(cookie_debug_id, ref, n_active, n_accesses, why), 290e6435f1eSDavid Howells 291e6435f1eSDavid Howells TP_STRUCT__entry( 292e6435f1eSDavid Howells __field(unsigned int, cookie ) 293e6435f1eSDavid Howells __field(int, ref ) 294e6435f1eSDavid Howells __field(int, n_active ) 295e6435f1eSDavid Howells __field(int, n_accesses ) 296e6435f1eSDavid Howells __field(enum fscache_active_trace, why ) 297e6435f1eSDavid Howells ), 298e6435f1eSDavid Howells 299e6435f1eSDavid Howells TP_fast_assign( 300e6435f1eSDavid Howells __entry->cookie = cookie_debug_id; 301e6435f1eSDavid Howells __entry->ref = ref; 302e6435f1eSDavid Howells __entry->n_active = n_active; 303e6435f1eSDavid Howells __entry->n_accesses = n_accesses; 304e6435f1eSDavid Howells __entry->why = why; 305e6435f1eSDavid Howells ), 306e6435f1eSDavid Howells 307e6435f1eSDavid Howells TP_printk("c=%08x %s r=%d a=%d c=%d", 308e6435f1eSDavid Howells __entry->cookie, 309e6435f1eSDavid Howells __print_symbolic(__entry->why, fscache_active_traces), 310e6435f1eSDavid Howells __entry->ref, 311e6435f1eSDavid Howells __entry->n_accesses, 312e6435f1eSDavid Howells __entry->n_active) 313e6435f1eSDavid Howells ); 314e6435f1eSDavid Howells 31523e12e28SDavid Howells TRACE_EVENT(fscache_access_cache, 31623e12e28SDavid Howells TP_PROTO(unsigned int cache_debug_id, 31723e12e28SDavid Howells int ref, 31823e12e28SDavid Howells int n_accesses, 31923e12e28SDavid Howells enum fscache_access_trace why), 32023e12e28SDavid Howells 32123e12e28SDavid Howells TP_ARGS(cache_debug_id, ref, n_accesses, why), 32223e12e28SDavid Howells 32323e12e28SDavid Howells TP_STRUCT__entry( 32423e12e28SDavid Howells __field(unsigned int, cache ) 32523e12e28SDavid Howells __field(int, ref ) 32623e12e28SDavid Howells __field(int, n_accesses ) 32723e12e28SDavid Howells __field(enum fscache_access_trace, why ) 32823e12e28SDavid Howells ), 32923e12e28SDavid Howells 33023e12e28SDavid Howells TP_fast_assign( 33123e12e28SDavid Howells __entry->cache = cache_debug_id; 33223e12e28SDavid Howells __entry->ref = ref; 33323e12e28SDavid Howells __entry->n_accesses = n_accesses; 33423e12e28SDavid Howells __entry->why = why; 33523e12e28SDavid Howells ), 33623e12e28SDavid Howells 33723e12e28SDavid Howells TP_printk("C=%08x %s r=%d a=%d", 33823e12e28SDavid Howells __entry->cache, 33923e12e28SDavid Howells __print_symbolic(__entry->why, fscache_access_traces), 34023e12e28SDavid Howells __entry->ref, 34123e12e28SDavid Howells __entry->n_accesses) 34223e12e28SDavid Howells ); 34323e12e28SDavid Howells 344e6acd329SDavid Howells TRACE_EVENT(fscache_access_volume, 345e6acd329SDavid Howells TP_PROTO(unsigned int volume_debug_id, 346e6acd329SDavid Howells unsigned int cookie_debug_id, 347e6acd329SDavid Howells int ref, 348e6acd329SDavid Howells int n_accesses, 349e6acd329SDavid Howells enum fscache_access_trace why), 350e6acd329SDavid Howells 351e6acd329SDavid Howells TP_ARGS(volume_debug_id, cookie_debug_id, ref, n_accesses, why), 352e6acd329SDavid Howells 353e6acd329SDavid Howells TP_STRUCT__entry( 354e6acd329SDavid Howells __field(unsigned int, volume ) 355e6acd329SDavid Howells __field(unsigned int, cookie ) 356e6acd329SDavid Howells __field(int, ref ) 357e6acd329SDavid Howells __field(int, n_accesses ) 358e6acd329SDavid Howells __field(enum fscache_access_trace, why ) 359e6acd329SDavid Howells ), 360e6acd329SDavid Howells 361e6acd329SDavid Howells TP_fast_assign( 362e6acd329SDavid Howells __entry->volume = volume_debug_id; 363e6acd329SDavid Howells __entry->cookie = cookie_debug_id; 364e6acd329SDavid Howells __entry->ref = ref; 365e6acd329SDavid Howells __entry->n_accesses = n_accesses; 366e6acd329SDavid Howells __entry->why = why; 367e6acd329SDavid Howells ), 368e6acd329SDavid Howells 369e6acd329SDavid Howells TP_printk("V=%08x c=%08x %s r=%d a=%d", 370e6acd329SDavid Howells __entry->volume, 371e6acd329SDavid Howells __entry->cookie, 372e6acd329SDavid Howells __print_symbolic(__entry->why, fscache_access_traces), 373e6acd329SDavid Howells __entry->ref, 374e6acd329SDavid Howells __entry->n_accesses) 375e6acd329SDavid Howells ); 376e6acd329SDavid Howells 377a7733fb6SDavid Howells TRACE_EVENT(fscache_access, 378a7733fb6SDavid Howells TP_PROTO(unsigned int cookie_debug_id, 379a7733fb6SDavid Howells int ref, 380a7733fb6SDavid Howells int n_accesses, 381a7733fb6SDavid Howells enum fscache_access_trace why), 382a7733fb6SDavid Howells 383a7733fb6SDavid Howells TP_ARGS(cookie_debug_id, ref, n_accesses, why), 384a7733fb6SDavid Howells 385a7733fb6SDavid Howells TP_STRUCT__entry( 386a7733fb6SDavid Howells __field(unsigned int, cookie ) 387a7733fb6SDavid Howells __field(int, ref ) 388a7733fb6SDavid Howells __field(int, n_accesses ) 389a7733fb6SDavid Howells __field(enum fscache_access_trace, why ) 390a7733fb6SDavid Howells ), 391a7733fb6SDavid Howells 392a7733fb6SDavid Howells TP_fast_assign( 393a7733fb6SDavid Howells __entry->cookie = cookie_debug_id; 394a7733fb6SDavid Howells __entry->ref = ref; 395a7733fb6SDavid Howells __entry->n_accesses = n_accesses; 396a7733fb6SDavid Howells __entry->why = why; 397a7733fb6SDavid Howells ), 398a7733fb6SDavid Howells 399a7733fb6SDavid Howells TP_printk("c=%08x %s r=%d a=%d", 400a7733fb6SDavid Howells __entry->cookie, 401a7733fb6SDavid Howells __print_symbolic(__entry->why, fscache_access_traces), 402a7733fb6SDavid Howells __entry->ref, 403a7733fb6SDavid Howells __entry->n_accesses) 404a7733fb6SDavid Howells ); 405a7733fb6SDavid Howells 4067f3283abSDavid Howells TRACE_EVENT(fscache_acquire, 4077f3283abSDavid Howells TP_PROTO(struct fscache_cookie *cookie), 4087f3283abSDavid Howells 4097f3283abSDavid Howells TP_ARGS(cookie), 4107f3283abSDavid Howells 4117f3283abSDavid Howells TP_STRUCT__entry( 4127f3283abSDavid Howells __field(unsigned int, cookie ) 4137f3283abSDavid Howells __field(unsigned int, volume ) 4147f3283abSDavid Howells __field(int, v_ref ) 4157f3283abSDavid Howells __field(int, v_n_cookies ) 4167f3283abSDavid Howells ), 4177f3283abSDavid Howells 4187f3283abSDavid Howells TP_fast_assign( 4197f3283abSDavid Howells __entry->cookie = cookie->debug_id; 4207f3283abSDavid Howells __entry->volume = cookie->volume->debug_id; 4217f3283abSDavid Howells __entry->v_ref = refcount_read(&cookie->volume->ref); 4227f3283abSDavid Howells __entry->v_n_cookies = atomic_read(&cookie->volume->n_cookies); 4237f3283abSDavid Howells ), 4247f3283abSDavid Howells 4257f3283abSDavid Howells TP_printk("c=%08x V=%08x vr=%d vc=%d", 4267f3283abSDavid Howells __entry->cookie, 4277f3283abSDavid Howells __entry->volume, __entry->v_ref, __entry->v_n_cookies) 4287f3283abSDavid Howells ); 4297f3283abSDavid Howells 4307f3283abSDavid Howells TRACE_EVENT(fscache_relinquish, 4317f3283abSDavid Howells TP_PROTO(struct fscache_cookie *cookie, bool retire), 4327f3283abSDavid Howells 4337f3283abSDavid Howells TP_ARGS(cookie, retire), 4347f3283abSDavid Howells 4357f3283abSDavid Howells TP_STRUCT__entry( 4367f3283abSDavid Howells __field(unsigned int, cookie ) 4377f3283abSDavid Howells __field(unsigned int, volume ) 4387f3283abSDavid Howells __field(int, ref ) 4397f3283abSDavid Howells __field(int, n_active ) 4407f3283abSDavid Howells __field(u8, flags ) 4417f3283abSDavid Howells __field(bool, retire ) 4427f3283abSDavid Howells ), 4437f3283abSDavid Howells 4447f3283abSDavid Howells TP_fast_assign( 4457f3283abSDavid Howells __entry->cookie = cookie->debug_id; 4467f3283abSDavid Howells __entry->volume = cookie->volume->debug_id; 4477f3283abSDavid Howells __entry->ref = refcount_read(&cookie->ref); 4487f3283abSDavid Howells __entry->n_active = atomic_read(&cookie->n_active); 4497f3283abSDavid Howells __entry->flags = cookie->flags; 4507f3283abSDavid Howells __entry->retire = retire; 4517f3283abSDavid Howells ), 4527f3283abSDavid Howells 4537f3283abSDavid Howells TP_printk("c=%08x V=%08x r=%d U=%d f=%02x rt=%u", 4547f3283abSDavid Howells __entry->cookie, __entry->volume, __entry->ref, 4557f3283abSDavid Howells __entry->n_active, __entry->flags, __entry->retire) 4567f3283abSDavid Howells ); 4577f3283abSDavid Howells 458d24af13eSDavid Howells TRACE_EVENT(fscache_invalidate, 459d24af13eSDavid Howells TP_PROTO(struct fscache_cookie *cookie, loff_t new_size), 460d24af13eSDavid Howells 461d24af13eSDavid Howells TP_ARGS(cookie, new_size), 462d24af13eSDavid Howells 463d24af13eSDavid Howells TP_STRUCT__entry( 464d24af13eSDavid Howells __field(unsigned int, cookie ) 465d24af13eSDavid Howells __field(loff_t, new_size ) 466d24af13eSDavid Howells ), 467d24af13eSDavid Howells 468d24af13eSDavid Howells TP_fast_assign( 469d24af13eSDavid Howells __entry->cookie = cookie->debug_id; 470d24af13eSDavid Howells __entry->new_size = new_size; 471d24af13eSDavid Howells ), 472d24af13eSDavid Howells 473d24af13eSDavid Howells TP_printk("c=%08x sz=%llx", 474d24af13eSDavid Howells __entry->cookie, __entry->new_size) 475d24af13eSDavid Howells ); 476d24af13eSDavid Howells 47716a96bdfSDavid Howells TRACE_EVENT(fscache_resize, 47816a96bdfSDavid Howells TP_PROTO(struct fscache_cookie *cookie, loff_t new_size), 47916a96bdfSDavid Howells 48016a96bdfSDavid Howells TP_ARGS(cookie, new_size), 48116a96bdfSDavid Howells 48216a96bdfSDavid Howells TP_STRUCT__entry( 48316a96bdfSDavid Howells __field(unsigned int, cookie ) 48416a96bdfSDavid Howells __field(loff_t, old_size ) 48516a96bdfSDavid Howells __field(loff_t, new_size ) 48616a96bdfSDavid Howells ), 48716a96bdfSDavid Howells 48816a96bdfSDavid Howells TP_fast_assign( 48916a96bdfSDavid Howells __entry->cookie = cookie->debug_id; 49016a96bdfSDavid Howells __entry->old_size = cookie->object_size; 49116a96bdfSDavid Howells __entry->new_size = new_size; 49216a96bdfSDavid Howells ), 49316a96bdfSDavid Howells 49416a96bdfSDavid Howells TP_printk("c=%08x os=%08llx sz=%08llx", 49516a96bdfSDavid Howells __entry->cookie, 49616a96bdfSDavid Howells __entry->old_size, 49716a96bdfSDavid Howells __entry->new_size) 49816a96bdfSDavid Howells ); 49916a96bdfSDavid Howells 5001e1236b8SDavid Howells #endif /* _TRACE_FSCACHE_H */ 5011e1236b8SDavid Howells 5021e1236b8SDavid Howells /* This part must be outside protection */ 5031e1236b8SDavid Howells #include <trace/define_trace.h> 504