| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* CacheFiles tracepoints |
| * |
| * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| */ |
| #undef TRACE_SYSTEM |
| #define TRACE_SYSTEM cachefiles |
| |
| #if !defined(_TRACE_CACHEFILES_H) || defined(TRACE_HEADER_MULTI_READ) |
| #define _TRACE_CACHEFILES_H |
| |
| #include <linux/tracepoint.h> |
| |
| /* |
| * Define enums for tracing information. |
| */ |
| #ifndef __CACHEFILES_DECLARE_TRACE_ENUMS_ONCE_ONLY |
| #define __CACHEFILES_DECLARE_TRACE_ENUMS_ONCE_ONLY |
| |
| enum cachefiles_obj_ref_trace { |
| cachefiles_obj_put_wait_retry = fscache_obj_ref__nr_traces, |
| cachefiles_obj_put_wait_timeo, |
| cachefiles_obj_ref__nr_traces |
| }; |
| |
| enum cachefiles_coherency_trace { |
| cachefiles_coherency_check_aux, |
| cachefiles_coherency_check_content, |
| cachefiles_coherency_check_dirty, |
| cachefiles_coherency_check_len, |
| cachefiles_coherency_check_objsize, |
| cachefiles_coherency_check_ok, |
| cachefiles_coherency_check_type, |
| cachefiles_coherency_check_xattr, |
| cachefiles_coherency_set_fail, |
| cachefiles_coherency_set_ok, |
| }; |
| |
| #endif |
| |
| /* |
| * Define enum -> string mappings for display. |
| */ |
| #define cachefiles_obj_kill_traces \ |
| EM(FSCACHE_OBJECT_IS_STALE, "stale") \ |
| EM(FSCACHE_OBJECT_NO_SPACE, "no_space") \ |
| EM(FSCACHE_OBJECT_WAS_RETIRED, "was_retired") \ |
| E_(FSCACHE_OBJECT_WAS_CULLED, "was_culled") |
| |
| #define cachefiles_obj_ref_traces \ |
| EM(fscache_obj_get_attach, "GET attach") \ |
| EM(fscache_obj_get_exists, "GET exists") \ |
| EM(fscache_obj_get_inval, "GET inval") \ |
| EM(fscache_obj_get_ioreq, "GET ioreq") \ |
| EM(fscache_obj_get_wait, "GET wait") \ |
| EM(fscache_obj_get_withdraw, "GET withdraw") \ |
| EM(fscache_obj_new, "NEW obj") \ |
| EM(fscache_obj_put, "PUT general") \ |
| EM(fscache_obj_put_alloc_dup, "PUT alloc_dup") \ |
| EM(fscache_obj_put_alloc_fail, "PUT alloc_fail") \ |
| EM(fscache_obj_put_attach_fail, "PUT attach_fail") \ |
| EM(fscache_obj_put_drop_child, "PUT drop_child") \ |
| EM(fscache_obj_put_drop_obj, "PUT drop_obj") \ |
| EM(fscache_obj_put_inval, "PUT inval") \ |
| EM(fscache_obj_put_ioreq, "PUT ioreq") \ |
| EM(fscache_obj_put_withdraw, "PUT withdraw") \ |
| EM(fscache_obj_put_lookup_fail, "PUT lookup_fail") \ |
| EM(cachefiles_obj_put_wait_retry, "PUT wait_retry") \ |
| E_(cachefiles_obj_put_wait_timeo, "PUT wait_timeo") |
| |
| #define cachefiles_coherency_traces \ |
| EM(cachefiles_coherency_check_aux, "BAD aux ") \ |
| EM(cachefiles_coherency_check_content, "BAD cont") \ |
| EM(cachefiles_coherency_check_dirty, "BAD dirt") \ |
| EM(cachefiles_coherency_check_len, "BAD len ") \ |
| EM(cachefiles_coherency_check_objsize, "BAD osiz") \ |
| EM(cachefiles_coherency_check_ok, "OK ") \ |
| EM(cachefiles_coherency_check_type, "BAD type") \ |
| EM(cachefiles_coherency_check_xattr, "BAD xatt") \ |
| EM(cachefiles_coherency_set_fail, "SET fail") \ |
| E_(cachefiles_coherency_set_ok, "SET ok ") |
| |
| /* |
| * 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); |
| |
| cachefiles_obj_kill_traces; |
| cachefiles_obj_ref_traces; |
| cachefiles_coherency_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(cachefiles_ref, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct fscache_cookie *cookie, |
| enum cachefiles_obj_ref_trace why, |
| int usage), |
| |
| TP_ARGS(obj, cookie, why, usage), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(unsigned int, cookie ) |
| __field(enum cachefiles_obj_ref_trace, why ) |
| __field(int, usage ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->cookie = cookie->debug_id; |
| __entry->usage = usage; |
| __entry->why = why; |
| ), |
| |
| TP_printk("c=%08x o=%08x u=%d %s", |
| __entry->cookie, __entry->obj, __entry->usage, |
| __print_symbolic(__entry->why, cachefiles_obj_ref_traces)) |
| ); |
| |
| TRACE_EVENT(cachefiles_lookup, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, |
| struct inode *inode), |
| |
| TP_ARGS(obj, de, inode), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| __field(struct inode *, inode ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->inode = inode; |
| ), |
| |
| TP_printk("o=%08x d=%p i=%p", |
| __entry->obj, __entry->de, __entry->inode) |
| ); |
| |
| TRACE_EVENT(cachefiles_mkdir, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, int ret), |
| |
| TP_ARGS(obj, de, ret), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| __field(int, ret ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->ret = ret; |
| ), |
| |
| TP_printk("o=%08x d=%p r=%u", |
| __entry->obj, __entry->de, __entry->ret) |
| ); |
| |
| TRACE_EVENT(cachefiles_create, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, int ret), |
| |
| TP_ARGS(obj, de, ret), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| __field(int, ret ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->ret = ret; |
| ), |
| |
| TP_printk("o=%08x d=%p r=%u", |
| __entry->obj, __entry->de, __entry->ret) |
| ); |
| |
| TRACE_EVENT(cachefiles_unlink, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, |
| enum fscache_why_object_killed why), |
| |
| TP_ARGS(obj, de, why), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| __field(enum fscache_why_object_killed, why ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->why = why; |
| ), |
| |
| TP_printk("o=%08x d=%p w=%s", |
| __entry->obj, __entry->de, |
| __print_symbolic(__entry->why, cachefiles_obj_kill_traces)) |
| ); |
| |
| TRACE_EVENT(cachefiles_rename, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, |
| struct dentry *to, |
| enum fscache_why_object_killed why), |
| |
| TP_ARGS(obj, de, to, why), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| __field(struct dentry *, to ) |
| __field(enum fscache_why_object_killed, why ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->to = to; |
| __entry->why = why; |
| ), |
| |
| TP_printk("o=%08x d=%p t=%p w=%s", |
| __entry->obj, __entry->de, __entry->to, |
| __print_symbolic(__entry->why, cachefiles_obj_kill_traces)) |
| ); |
| |
| TRACE_EVENT(cachefiles_mark_active, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de), |
| |
| TP_ARGS(obj, de), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| ), |
| |
| TP_printk("o=%08x d=%p", |
| __entry->obj, __entry->de) |
| ); |
| |
| TRACE_EVENT(cachefiles_mark_inactive, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, |
| struct inode *inode), |
| |
| TP_ARGS(obj, de, inode), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| __field(struct inode *, inode ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->inode = inode; |
| ), |
| |
| TP_printk("o=%08x d=%p i=%p", |
| __entry->obj, __entry->de, __entry->inode) |
| ); |
| |
| TRACE_EVENT(cachefiles_mark_buried, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, |
| enum fscache_why_object_killed why), |
| |
| TP_ARGS(obj, de, why), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(struct dentry *, de ) |
| __field(enum fscache_why_object_killed, why ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->why = why; |
| ), |
| |
| TP_printk("o=%08x d=%p w=%s", |
| __entry->obj, __entry->de, |
| __print_symbolic(__entry->why, cachefiles_obj_kill_traces)) |
| ); |
| |
| TRACE_EVENT(cachefiles_coherency, |
| TP_PROTO(struct cachefiles_object *obj, |
| ino_t ino, |
| enum cachefiles_content content, |
| enum cachefiles_coherency_trace why), |
| |
| TP_ARGS(obj, ino, content, why), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(enum cachefiles_coherency_trace, why ) |
| __field(enum cachefiles_content, content ) |
| __field(u64, ino ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->why = why; |
| __entry->content = content; |
| __entry->ino = ino; |
| ), |
| |
| TP_printk("o=%08x %s i=%llx c=%u", |
| __entry->obj, |
| __print_symbolic(__entry->why, cachefiles_coherency_traces), |
| __entry->ino, |
| __entry->content) |
| ); |
| |
| TRACE_EVENT(cachefiles_read, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct inode *backer, |
| struct fscache_io_request *req), |
| |
| TP_ARGS(obj, backer, req), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(unsigned int, backer ) |
| __field(unsigned int, len ) |
| __field(loff_t, pos ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->backer = backer->i_ino; |
| __entry->pos = req->pos; |
| __entry->len = req->len; |
| ), |
| |
| TP_printk("o=%08x b=%08x p=%llx l=%x", |
| __entry->obj, |
| __entry->backer, |
| __entry->pos, |
| __entry->len) |
| ); |
| |
| TRACE_EVENT(cachefiles_write, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct inode *backer, |
| struct fscache_io_request *req), |
| |
| TP_ARGS(obj, backer, req), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(unsigned int, backer ) |
| __field(unsigned int, len ) |
| __field(loff_t, pos ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->backer = backer->i_ino; |
| __entry->pos = req->pos; |
| __entry->len = req->len; |
| ), |
| |
| TP_printk("o=%08x b=%08x p=%llx l=%x", |
| __entry->obj, |
| __entry->backer, |
| __entry->pos, |
| __entry->len) |
| ); |
| |
| TRACE_EVENT(cachefiles_trunc, |
| TP_PROTO(struct cachefiles_object *obj, struct inode *backer, |
| loff_t from, loff_t to), |
| |
| TP_ARGS(obj, backer, from, to), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(unsigned int, backer ) |
| __field(loff_t, from ) |
| __field(loff_t, to ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->backer = backer->i_ino; |
| __entry->from = from; |
| __entry->to = to; |
| ), |
| |
| TP_printk("o=%08x b=%08x l=%llx->%llx", |
| __entry->obj, |
| __entry->backer, |
| __entry->from, |
| __entry->to) |
| ); |
| |
| TRACE_EVENT(cachefiles_tmpfile, |
| TP_PROTO(struct cachefiles_object *obj, struct inode *backer), |
| |
| TP_ARGS(obj, backer), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(unsigned int, backer ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->backer = backer->i_ino; |
| ), |
| |
| TP_printk("o=%08x b=%08x", |
| __entry->obj, |
| __entry->backer) |
| ); |
| |
| TRACE_EVENT(cachefiles_link, |
| TP_PROTO(struct cachefiles_object *obj, struct inode *backer), |
| |
| TP_ARGS(obj, backer), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(unsigned int, backer ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->backer = backer->i_ino; |
| ), |
| |
| TP_printk("o=%08x b=%08x", |
| __entry->obj, |
| __entry->backer) |
| ); |
| |
| #endif /* _TRACE_CACHEFILES_H */ |
| |
| /* This part must be outside protection */ |
| #include <trace/define_trace.h> |
