| /* FS-Cache tracepoints |
| * |
| * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| #undef TRACE_SYSTEM |
| #define TRACE_SYSTEM fscache |
| |
| #if !defined(_TRACE_FSCACHE_H) || defined(TRACE_HEADER_MULTI_READ) |
| #define _TRACE_FSCACHE_H |
| |
| #include <linux/fscache.h> |
| #include <linux/tracepoint.h> |
| |
| /* |
| * Define enums for tracing information. |
| */ |
| #ifndef __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY |
| #define __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY |
| |
| enum fscache_cookie_trace { |
| fscache_cookie_collision, |
| fscache_cookie_discard, |
| fscache_cookie_get_acquire_parent, |
| fscache_cookie_get_attach_object, |
| fscache_cookie_get_reacquire, |
| fscache_cookie_get_register_netfs, |
| fscache_cookie_put_acquire_nobufs, |
| fscache_cookie_put_dup_netfs, |
| fscache_cookie_put_relinquish, |
| fscache_cookie_put_object, |
| fscache_cookie_put_parent, |
| }; |
| |
| enum fscache_page_trace { |
| fscache_page_cached, |
| fscache_page_inval, |
| fscache_page_maybe_release, |
| fscache_page_radix_clear_store, |
| fscache_page_radix_delete, |
| fscache_page_radix_insert, |
| fscache_page_radix_pend2store, |
| fscache_page_radix_set_pend, |
| fscache_page_uncache, |
| fscache_page_write, |
| fscache_page_write_end, |
| fscache_page_write_end_pend, |
| fscache_page_write_end_noc, |
| fscache_page_write_wait, |
| fscache_page_trace__nr |
| }; |
| |
| enum fscache_op_trace { |
| fscache_op_cancel, |
| fscache_op_cancel_all, |
| fscache_op_cancelled, |
| fscache_op_completed, |
| fscache_op_enqueue_async, |
| fscache_op_enqueue_mythread, |
| fscache_op_gc, |
| fscache_op_init, |
| fscache_op_put, |
| fscache_op_run, |
| fscache_op_signal, |
| fscache_op_submit, |
| fscache_op_submit_ex, |
| fscache_op_work, |
| fscache_op_trace__nr |
| }; |
| |
| enum fscache_page_op_trace { |
| fscache_page_op_alloc_one, |
| fscache_page_op_attr_changed, |
| fscache_page_op_check_consistency, |
| fscache_page_op_invalidate, |
| fscache_page_op_retr_multi, |
| fscache_page_op_retr_one, |
| fscache_page_op_write_one, |
| fscache_page_op_trace__nr |
| }; |
| |
| #endif |
| |
| /* |
| * Declare tracing information enums and their string mappings for display. |
| */ |
| #define fscache_cookie_traces \ |
| EM(fscache_cookie_collision, "*COLLISION*") \ |
| EM(fscache_cookie_discard, "DISCARD") \ |
| EM(fscache_cookie_get_acquire_parent, "GET prn") \ |
| EM(fscache_cookie_get_attach_object, "GET obj") \ |
| EM(fscache_cookie_get_reacquire, "GET raq") \ |
| EM(fscache_cookie_get_register_netfs, "GET net") \ |
| EM(fscache_cookie_put_acquire_nobufs, "PUT nbf") \ |
| EM(fscache_cookie_put_dup_netfs, "PUT dnt") \ |
| EM(fscache_cookie_put_relinquish, "PUT rlq") \ |
| EM(fscache_cookie_put_object, "PUT obj") \ |
| E_(fscache_cookie_put_parent, "PUT prn") |
| |
| #define fscache_page_traces \ |
| EM(fscache_page_cached, "Cached ") \ |
| EM(fscache_page_inval, "InvalPg") \ |
| EM(fscache_page_maybe_release, "MayRels") \ |
| EM(fscache_page_uncache, "Uncache") \ |
| EM(fscache_page_radix_clear_store, "RxCStr ") \ |
| EM(fscache_page_radix_delete, "RxDel ") \ |
| EM(fscache_page_radix_insert, "RxIns ") \ |
| EM(fscache_page_radix_pend2store, "RxP2S ") \ |
| EM(fscache_page_radix_set_pend, "RxSPend ") \ |
| EM(fscache_page_write, "WritePg") \ |
| EM(fscache_page_write_end, "EndPgWr") \ |
| EM(fscache_page_write_end_pend, "EndPgWP") \ |
| EM(fscache_page_write_end_noc, "EndPgNC") \ |
| E_(fscache_page_write_wait, "WtOnWrt") |
| |
| #define fscache_op_traces \ |
| EM(fscache_op_cancel, "Cancel1") \ |
| EM(fscache_op_cancel_all, "CancelA") \ |
| EM(fscache_op_cancelled, "Canclld") \ |
| EM(fscache_op_completed, "Complet") \ |
| EM(fscache_op_enqueue_async, "EnqAsyn") \ |
| EM(fscache_op_enqueue_mythread, "EnqMyTh") \ |
| EM(fscache_op_gc, "GC ") \ |
| EM(fscache_op_init, "Init ") \ |
| EM(fscache_op_put, "Put ") \ |
| EM(fscache_op_run, "Run ") \ |
| EM(fscache_op_signal, "Signal ") \ |
| EM(fscache_op_submit, "Submit ") \ |
| EM(fscache_op_submit_ex, "SubmitX") \ |
| E_(fscache_op_work, "Work ") |
| |
| #define fscache_page_op_traces \ |
| EM(fscache_page_op_alloc_one, "Alloc1 ") \ |
| EM(fscache_page_op_attr_changed, "AttrChg") \ |
| EM(fscache_page_op_check_consistency, "CheckCn") \ |
| EM(fscache_page_op_invalidate, "Inval ") \ |
| EM(fscache_page_op_retr_multi, "RetrMul") \ |
| EM(fscache_page_op_retr_one, "Retr1 ") \ |
| E_(fscache_page_op_write_one, "Write1 ") |
| |
| /* |
| * Export enum symbols via userspace. |
| */ |
| #undef EM |
| #undef E_ |
| #define EM(a, b) TRACE_DEFINE_ENUM(a); |
| #define E_(a, b) TRACE_DEFINE_ENUM(a); |
| |
| fscache_cookie_traces; |
| |
| /* |
| * Now redefine the EM() and E_() macros to map the enums to the strings that |
| * will be printed in the output. |
| */ |
| #undef EM |
| #undef E_ |
| #define EM(a, b) { a, b }, |
| #define E_(a, b) { a, b } |
| |
| |
| TRACE_EVENT(fscache_cookie, |
| TP_PROTO(struct fscache_cookie *cookie, |
| enum fscache_cookie_trace where, |
| int usage), |
| |
| TP_ARGS(cookie, where, usage), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(struct fscache_cookie *, parent ) |
| __field(enum fscache_cookie_trace, where ) |
| __field(int, usage ) |
| __field(int, n_children ) |
| __field(int, n_active ) |
| __field(u8, flags ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->parent = cookie->parent; |
| __entry->where = where; |
| __entry->usage = usage; |
| __entry->n_children = atomic_read(&cookie->n_children); |
| __entry->n_active = atomic_read(&cookie->n_active); |
| __entry->flags = cookie->flags; |
| ), |
| |
| TP_printk("%s c=%p u=%d p=%p Nc=%d Na=%d f=%02x", |
| __print_symbolic(__entry->where, fscache_cookie_traces), |
| __entry->cookie, __entry->usage, |
| __entry->parent, __entry->n_children, __entry->n_active, |
| __entry->flags) |
| ); |
| |
| TRACE_EVENT(fscache_netfs, |
| TP_PROTO(struct fscache_netfs *netfs), |
| |
| TP_ARGS(netfs), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __array(char, name, 8 ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = netfs->primary_index; |
| strncpy(__entry->name, netfs->name, 8); |
| __entry->name[7] = 0; |
| ), |
| |
| TP_printk("c=%p n=%s", |
| __entry->cookie, __entry->name) |
| ); |
| |
| TRACE_EVENT(fscache_acquire, |
| TP_PROTO(struct fscache_cookie *cookie), |
| |
| TP_ARGS(cookie), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(struct fscache_cookie *, parent ) |
| __array(char, name, 8 ) |
| __field(int, p_usage ) |
| __field(int, p_n_children ) |
| __field(u8, p_flags ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->parent = cookie->parent; |
| __entry->p_usage = atomic_read(&cookie->parent->usage); |
| __entry->p_n_children = atomic_read(&cookie->parent->n_children); |
| __entry->p_flags = cookie->parent->flags; |
| memcpy(__entry->name, cookie->def->name, 8); |
| __entry->name[7] = 0; |
| ), |
| |
| TP_printk("c=%p p=%p pu=%d pc=%d pf=%02x n=%s", |
| __entry->cookie, __entry->parent, __entry->p_usage, |
| __entry->p_n_children, __entry->p_flags, __entry->name) |
| ); |
| |
| TRACE_EVENT(fscache_relinquish, |
| TP_PROTO(struct fscache_cookie *cookie, bool retire), |
| |
| TP_ARGS(cookie, retire), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(struct fscache_cookie *, parent ) |
| __field(int, usage ) |
| __field(int, n_children ) |
| __field(int, n_active ) |
| __field(u8, flags ) |
| __field(bool, retire ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->parent = cookie->parent; |
| __entry->usage = atomic_read(&cookie->usage); |
| __entry->n_children = atomic_read(&cookie->n_children); |
| __entry->n_active = atomic_read(&cookie->n_active); |
| __entry->flags = cookie->flags; |
| __entry->retire = retire; |
| ), |
| |
| TP_printk("c=%p u=%d p=%p Nc=%d Na=%d f=%02x r=%u", |
| __entry->cookie, __entry->usage, |
| __entry->parent, __entry->n_children, __entry->n_active, |
| __entry->flags, __entry->retire) |
| ); |
| |
| TRACE_EVENT(fscache_enable, |
| TP_PROTO(struct fscache_cookie *cookie), |
| |
| TP_ARGS(cookie), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(int, usage ) |
| __field(int, n_children ) |
| __field(int, n_active ) |
| __field(u8, flags ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->usage = atomic_read(&cookie->usage); |
| __entry->n_children = atomic_read(&cookie->n_children); |
| __entry->n_active = atomic_read(&cookie->n_active); |
| __entry->flags = cookie->flags; |
| ), |
| |
| TP_printk("c=%p u=%d Nc=%d Na=%d f=%02x", |
| __entry->cookie, __entry->usage, |
| __entry->n_children, __entry->n_active, __entry->flags) |
| ); |
| |
| TRACE_EVENT(fscache_disable, |
| TP_PROTO(struct fscache_cookie *cookie), |
| |
| TP_ARGS(cookie), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(int, usage ) |
| __field(int, n_children ) |
| __field(int, n_active ) |
| __field(u8, flags ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->usage = atomic_read(&cookie->usage); |
| __entry->n_children = atomic_read(&cookie->n_children); |
| __entry->n_active = atomic_read(&cookie->n_active); |
| __entry->flags = cookie->flags; |
| ), |
| |
| TP_printk("c=%p u=%d Nc=%d Na=%d f=%02x", |
| __entry->cookie, __entry->usage, |
| __entry->n_children, __entry->n_active, __entry->flags) |
| ); |
| |
| TRACE_EVENT(fscache_osm, |
| TP_PROTO(struct fscache_object *object, |
| const struct fscache_state *state, |
| bool wait, bool oob, s8 event_num), |
| |
| TP_ARGS(object, state, wait, oob, event_num), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(struct fscache_object *, object ) |
| __array(char, state, 8 ) |
| __field(bool, wait ) |
| __field(bool, oob ) |
| __field(s8, event_num ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = object->cookie; |
| __entry->object = object; |
| __entry->wait = wait; |
| __entry->oob = oob; |
| __entry->event_num = event_num; |
| memcpy(__entry->state, state->short_name, 8); |
| ), |
| |
| TP_printk("c=%p o=%p %s %s%sev=%d", |
| __entry->cookie, |
| __entry->object, |
| __entry->state, |
| __print_symbolic(__entry->wait, |
| { true, "WAIT" }, |
| { false, "WORK" }), |
| __print_symbolic(__entry->oob, |
| { true, " OOB " }, |
| { false, " " }), |
| __entry->event_num) |
| ); |
| |
| TRACE_EVENT(fscache_page, |
| TP_PROTO(struct fscache_cookie *cookie, struct page *page, |
| enum fscache_page_trace why), |
| |
| TP_ARGS(cookie, page, why), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(pgoff_t, page ) |
| __field(enum fscache_page_trace, why ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->page = page->index; |
| __entry->why = why; |
| ), |
| |
| TP_printk("c=%p %s pg=%lx", |
| __entry->cookie, |
| __print_symbolic(__entry->why, fscache_page_traces), |
| __entry->page) |
| ); |
| |
| TRACE_EVENT(fscache_check_page, |
| TP_PROTO(struct fscache_cookie *cookie, struct page *page, |
| void *val, int n), |
| |
| TP_ARGS(cookie, page, val, n), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(void *, page ) |
| __field(void *, val ) |
| __field(int, n ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->page = page; |
| __entry->val = val; |
| __entry->n = n; |
| ), |
| |
| TP_printk("c=%p pg=%p val=%p n=%d", |
| __entry->cookie, __entry->page, __entry->val, __entry->n) |
| ); |
| |
| TRACE_EVENT(fscache_wake_cookie, |
| TP_PROTO(struct fscache_cookie *cookie), |
| |
| TP_ARGS(cookie), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| ), |
| |
| TP_printk("c=%p", __entry->cookie) |
| ); |
| |
| TRACE_EVENT(fscache_op, |
| TP_PROTO(struct fscache_cookie *cookie, struct fscache_operation *op, |
| enum fscache_op_trace why), |
| |
| TP_ARGS(cookie, op, why), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(struct fscache_operation *, op ) |
| __field(enum fscache_op_trace, why ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->op = op; |
| __entry->why = why; |
| ), |
| |
| TP_printk("c=%p op=%p %s", |
| __entry->cookie, __entry->op, |
| __print_symbolic(__entry->why, fscache_op_traces)) |
| ); |
| |
| TRACE_EVENT(fscache_page_op, |
| TP_PROTO(struct fscache_cookie *cookie, struct page *page, |
| struct fscache_operation *op, enum fscache_page_op_trace what), |
| |
| TP_ARGS(cookie, page, op, what), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(pgoff_t, page ) |
| __field(struct fscache_operation *, op ) |
| __field(enum fscache_page_op_trace, what ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->page = page ? page->index : 0; |
| __entry->op = op; |
| __entry->what = what; |
| ), |
| |
| TP_printk("c=%p %s pg=%lx op=%p", |
| __entry->cookie, |
| __print_symbolic(__entry->what, fscache_page_op_traces), |
| __entry->page, __entry->op) |
| ); |
| |
| TRACE_EVENT(fscache_wrote_page, |
| TP_PROTO(struct fscache_cookie *cookie, struct page *page, |
| struct fscache_operation *op, int ret), |
| |
| TP_ARGS(cookie, page, op, ret), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(pgoff_t, page ) |
| __field(struct fscache_operation *, op ) |
| __field(int, ret ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->page = page->index; |
| __entry->op = op; |
| __entry->ret = ret; |
| ), |
| |
| TP_printk("c=%p pg=%lx op=%p ret=%d", |
| __entry->cookie, __entry->page, __entry->op, __entry->ret) |
| ); |
| |
| TRACE_EVENT(fscache_gang_lookup, |
| TP_PROTO(struct fscache_cookie *cookie, struct fscache_operation *op, |
| void **results, int n, pgoff_t store_limit), |
| |
| TP_ARGS(cookie, op, results, n, store_limit), |
| |
| TP_STRUCT__entry( |
| __field(struct fscache_cookie *, cookie ) |
| __field(struct fscache_operation *, op ) |
| __field(pgoff_t, results0 ) |
| __field(int, n ) |
| __field(pgoff_t, store_limit ) |
| ), |
| |
| TP_fast_assign( |
| __entry->cookie = cookie; |
| __entry->op = op; |
| __entry->results0 = results[0] ? ((struct page *)results[0])->index : (pgoff_t)-1; |
| __entry->n = n; |
| __entry->store_limit = store_limit; |
| ), |
| |
| TP_printk("c=%p op=%p r0=%lx n=%d sl=%lx", |
| __entry->cookie, __entry->op, __entry->results0, __entry->n, |
| __entry->store_limit) |
| ); |
| |
| #endif /* _TRACE_FSCACHE_H */ |
| |
| /* This part must be outside protection */ |
| #include <trace/define_trace.h> |