| /* 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 |
| }; |
| |
| #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_add_to_deps, "GET add_to_deps") \ |
| EM(fscache_obj_get_queue, "GET queue") \ |
| EM(fscache_obj_put_alloc_fail, "PUT alloc_fail") \ |
| EM(fscache_obj_put_attach_fail, "PUT attach_fail") \ |
| EM(fscache_obj_put_drop_obj, "PUT drop_obj") \ |
| EM(fscache_obj_put_enq_dep, "PUT enq_dep") \ |
| EM(fscache_obj_put_queue, "PUT queue") \ |
| EM(fscache_obj_put_work, "PUT work") \ |
| EM(cachefiles_obj_put_wait_retry, "PUT wait_retry") \ |
| E_(cachefiles_obj_put_wait_timeo, "PUT wait_timeo") |
| |
| /* |
| * 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; |
| |
| /* |
| * 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_wait_active, |
| TP_PROTO(struct cachefiles_object *obj, |
| struct dentry *de, |
| struct cachefiles_object *xobj), |
| |
| TP_ARGS(obj, de, xobj), |
| |
| /* Note that obj may be NULL */ |
| TP_STRUCT__entry( |
| __field(unsigned int, obj ) |
| __field(unsigned int, xobj ) |
| __field(struct dentry *, de ) |
| __field(u16, flags ) |
| __field(u16, fsc_flags ) |
| ), |
| |
| TP_fast_assign( |
| __entry->obj = obj->fscache.debug_id; |
| __entry->de = de; |
| __entry->xobj = xobj->fscache.debug_id; |
| __entry->flags = xobj->flags; |
| __entry->fsc_flags = xobj->fscache.flags; |
| ), |
| |
| TP_printk("o=%08x d=%p wo=%08x wf=%x wff=%x", |
| __entry->obj, __entry->de, __entry->xobj, |
| __entry->flags, __entry->fsc_flags) |
| ); |
| |
| 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)) |
| ); |
| |
| #endif /* _TRACE_CACHEFILES_H */ |
| |
| /* This part must be outside protection */ |
| #include <trace/define_trace.h> |