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321 lines
8.0 KiB
321 lines
8.0 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* CacheFiles tracepoints |
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* |
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* Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. |
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* Written by David Howells ([email protected]) |
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*/ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM cachefiles |
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#if !defined(_TRACE_CACHEFILES_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_CACHEFILES_H |
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#include <linux/tracepoint.h> |
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/* |
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* Define enums for tracing information. |
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*/ |
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#ifndef __CACHEFILES_DECLARE_TRACE_ENUMS_ONCE_ONLY |
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#define __CACHEFILES_DECLARE_TRACE_ENUMS_ONCE_ONLY |
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enum cachefiles_obj_ref_trace { |
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cachefiles_obj_put_wait_retry = fscache_obj_ref__nr_traces, |
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cachefiles_obj_put_wait_timeo, |
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cachefiles_obj_ref__nr_traces |
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}; |
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#endif |
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/* |
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* Define enum -> string mappings for display. |
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*/ |
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#define cachefiles_obj_kill_traces \ |
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EM(FSCACHE_OBJECT_IS_STALE, "stale") \ |
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EM(FSCACHE_OBJECT_NO_SPACE, "no_space") \ |
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EM(FSCACHE_OBJECT_WAS_RETIRED, "was_retired") \ |
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E_(FSCACHE_OBJECT_WAS_CULLED, "was_culled") |
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#define cachefiles_obj_ref_traces \ |
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EM(fscache_obj_get_add_to_deps, "GET add_to_deps") \ |
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EM(fscache_obj_get_queue, "GET queue") \ |
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EM(fscache_obj_put_alloc_fail, "PUT alloc_fail") \ |
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EM(fscache_obj_put_attach_fail, "PUT attach_fail") \ |
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EM(fscache_obj_put_drop_obj, "PUT drop_obj") \ |
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EM(fscache_obj_put_enq_dep, "PUT enq_dep") \ |
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EM(fscache_obj_put_queue, "PUT queue") \ |
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EM(fscache_obj_put_work, "PUT work") \ |
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EM(cachefiles_obj_put_wait_retry, "PUT wait_retry") \ |
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E_(cachefiles_obj_put_wait_timeo, "PUT wait_timeo") |
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/* |
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* Export enum symbols via userspace. |
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*/ |
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#undef EM |
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#undef E_ |
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#define EM(a, b) TRACE_DEFINE_ENUM(a); |
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#define E_(a, b) TRACE_DEFINE_ENUM(a); |
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cachefiles_obj_kill_traces; |
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cachefiles_obj_ref_traces; |
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/* |
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* Now redefine the EM() and E_() macros to map the enums to the strings that |
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* will be printed in the output. |
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*/ |
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#undef EM |
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#undef E_ |
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#define EM(a, b) { a, b }, |
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#define E_(a, b) { a, b } |
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TRACE_EVENT(cachefiles_ref, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct fscache_cookie *cookie, |
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enum cachefiles_obj_ref_trace why, |
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int usage), |
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TP_ARGS(obj, cookie, why, usage), |
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/* Note that obj may be NULL */ |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct fscache_cookie *, cookie ) |
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__field(enum cachefiles_obj_ref_trace, why ) |
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__field(int, usage ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->cookie = cookie; |
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__entry->usage = usage; |
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__entry->why = why; |
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), |
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TP_printk("c=%p o=%p u=%d %s", |
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__entry->cookie, __entry->obj, __entry->usage, |
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__print_symbolic(__entry->why, cachefiles_obj_ref_traces)) |
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); |
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TRACE_EVENT(cachefiles_lookup, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, |
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struct inode *inode), |
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TP_ARGS(obj, de, inode), |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(struct inode *, inode ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->inode = inode; |
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), |
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TP_printk("o=%p d=%p i=%p", |
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__entry->obj, __entry->de, __entry->inode) |
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); |
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TRACE_EVENT(cachefiles_mkdir, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, int ret), |
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TP_ARGS(obj, de, ret), |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(int, ret ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->ret = ret; |
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), |
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TP_printk("o=%p d=%p r=%u", |
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__entry->obj, __entry->de, __entry->ret) |
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); |
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TRACE_EVENT(cachefiles_create, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, int ret), |
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TP_ARGS(obj, de, ret), |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(int, ret ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->ret = ret; |
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), |
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TP_printk("o=%p d=%p r=%u", |
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__entry->obj, __entry->de, __entry->ret) |
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); |
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TRACE_EVENT(cachefiles_unlink, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, |
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enum fscache_why_object_killed why), |
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TP_ARGS(obj, de, why), |
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/* Note that obj may be NULL */ |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(enum fscache_why_object_killed, why ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->why = why; |
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), |
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TP_printk("o=%p d=%p w=%s", |
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__entry->obj, __entry->de, |
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__print_symbolic(__entry->why, cachefiles_obj_kill_traces)) |
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); |
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TRACE_EVENT(cachefiles_rename, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, |
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struct dentry *to, |
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enum fscache_why_object_killed why), |
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TP_ARGS(obj, de, to, why), |
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/* Note that obj may be NULL */ |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(struct dentry *, to ) |
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__field(enum fscache_why_object_killed, why ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->to = to; |
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__entry->why = why; |
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), |
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TP_printk("o=%p d=%p t=%p w=%s", |
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__entry->obj, __entry->de, __entry->to, |
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__print_symbolic(__entry->why, cachefiles_obj_kill_traces)) |
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); |
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TRACE_EVENT(cachefiles_mark_active, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de), |
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TP_ARGS(obj, de), |
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/* Note that obj may be NULL */ |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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), |
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TP_printk("o=%p d=%p", |
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__entry->obj, __entry->de) |
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); |
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TRACE_EVENT(cachefiles_wait_active, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, |
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struct cachefiles_object *xobj), |
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TP_ARGS(obj, de, xobj), |
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/* Note that obj may be NULL */ |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(struct cachefiles_object *, xobj ) |
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__field(u16, flags ) |
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__field(u16, fsc_flags ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->xobj = xobj; |
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__entry->flags = xobj->flags; |
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__entry->fsc_flags = xobj->fscache.flags; |
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), |
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TP_printk("o=%p d=%p wo=%p wf=%x wff=%x", |
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__entry->obj, __entry->de, __entry->xobj, |
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__entry->flags, __entry->fsc_flags) |
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); |
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TRACE_EVENT(cachefiles_mark_inactive, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, |
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struct inode *inode), |
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TP_ARGS(obj, de, inode), |
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/* Note that obj may be NULL */ |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(struct inode *, inode ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->inode = inode; |
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), |
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TP_printk("o=%p d=%p i=%p", |
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__entry->obj, __entry->de, __entry->inode) |
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); |
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TRACE_EVENT(cachefiles_mark_buried, |
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TP_PROTO(struct cachefiles_object *obj, |
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struct dentry *de, |
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enum fscache_why_object_killed why), |
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TP_ARGS(obj, de, why), |
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/* Note that obj may be NULL */ |
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TP_STRUCT__entry( |
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__field(struct cachefiles_object *, obj ) |
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__field(struct dentry *, de ) |
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__field(enum fscache_why_object_killed, why ) |
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), |
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TP_fast_assign( |
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__entry->obj = obj; |
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__entry->de = de; |
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__entry->why = why; |
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), |
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TP_printk("o=%p d=%p w=%s", |
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__entry->obj, __entry->de, |
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__print_symbolic(__entry->why, cachefiles_obj_kill_traces)) |
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); |
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#endif /* _TRACE_CACHEFILES_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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