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cachefiles.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* CacheFiles tracepoints
*
* Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
* Written by David Howells ([email protected])
*/
#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_get_ioreq,
cachefiles_obj_new,
cachefiles_obj_put_alloc_fail,
cachefiles_obj_put_detach,
cachefiles_obj_put_ioreq,
cachefiles_obj_see_clean_commit,
cachefiles_obj_see_clean_delete,
cachefiles_obj_see_clean_drop_tmp,
cachefiles_obj_see_lookup_cookie,
cachefiles_obj_see_lookup_failed,
cachefiles_obj_see_withdraw_cookie,
cachefiles_obj_see_withdrawal,
cachefiles_obj_get_ondemand_fd,
cachefiles_obj_put_ondemand_fd,
};
enum fscache_why_object_killed {
FSCACHE_OBJECT_IS_STALE,
FSCACHE_OBJECT_IS_WEIRD,
FSCACHE_OBJECT_INVALIDATED,
FSCACHE_OBJECT_NO_SPACE,
FSCACHE_OBJECT_WAS_RETIRED,
FSCACHE_OBJECT_WAS_CULLED,
FSCACHE_VOLUME_IS_WEIRD,
};
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,
cachefiles_coherency_vol_check_cmp,
cachefiles_coherency_vol_check_ok,
cachefiles_coherency_vol_check_resv,
cachefiles_coherency_vol_check_xattr,
cachefiles_coherency_vol_set_fail,
cachefiles_coherency_vol_set_ok,
};
enum cachefiles_trunc_trace {
cachefiles_trunc_dio_adjust,
cachefiles_trunc_expand_tmpfile,
cachefiles_trunc_shrink,
};
enum cachefiles_prepare_read_trace {
cachefiles_trace_read_after_eof,
cachefiles_trace_read_found_hole,
cachefiles_trace_read_found_part,
cachefiles_trace_read_have_data,
cachefiles_trace_read_no_data,
cachefiles_trace_read_no_file,
cachefiles_trace_read_seek_error,
cachefiles_trace_read_seek_nxio,
};
enum cachefiles_error_trace {
cachefiles_trace_fallocate_error,
cachefiles_trace_getxattr_error,
cachefiles_trace_link_error,
cachefiles_trace_lookup_error,
cachefiles_trace_mkdir_error,
cachefiles_trace_notify_change_error,
cachefiles_trace_open_error,
cachefiles_trace_read_error,
cachefiles_trace_remxattr_error,
cachefiles_trace_rename_error,
cachefiles_trace_seek_error,
cachefiles_trace_setxattr_error,
cachefiles_trace_statfs_error,
cachefiles_trace_tmpfile_error,
cachefiles_trace_trunc_error,
cachefiles_trace_unlink_error,
cachefiles_trace_write_error,
};
#endif
/*
* Define enum -> string mappings for display.
*/
#define cachefiles_obj_kill_traces \
EM(FSCACHE_OBJECT_IS_STALE, "stale") \
EM(FSCACHE_OBJECT_IS_WEIRD, "weird") \
EM(FSCACHE_OBJECT_INVALIDATED, "inval") \
EM(FSCACHE_OBJECT_NO_SPACE, "no_space") \
EM(FSCACHE_OBJECT_WAS_RETIRED, "was_retired") \
EM(FSCACHE_OBJECT_WAS_CULLED, "was_culled") \
E_(FSCACHE_VOLUME_IS_WEIRD, "volume_weird")
#define cachefiles_obj_ref_traces \
EM(cachefiles_obj_get_ioreq, "GET ioreq") \
EM(cachefiles_obj_new, "NEW obj") \
EM(cachefiles_obj_put_alloc_fail, "PUT alloc_fail") \
EM(cachefiles_obj_put_detach, "PUT detach") \
EM(cachefiles_obj_put_ioreq, "PUT ioreq") \
EM(cachefiles_obj_see_clean_commit, "SEE clean_commit") \
EM(cachefiles_obj_see_clean_delete, "SEE clean_delete") \
EM(cachefiles_obj_see_clean_drop_tmp, "SEE clean_drop_tmp") \
EM(cachefiles_obj_see_lookup_cookie, "SEE lookup_cookie") \
EM(cachefiles_obj_see_lookup_failed, "SEE lookup_failed") \
EM(cachefiles_obj_see_withdraw_cookie, "SEE withdraw_cookie") \
E_(cachefiles_obj_see_withdrawal, "SEE withdrawal")
#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") \
EM(cachefiles_coherency_set_ok, "SET ok ") \
EM(cachefiles_coherency_vol_check_cmp, "VOL BAD cmp ") \
EM(cachefiles_coherency_vol_check_ok, "VOL OK ") \
EM(cachefiles_coherency_vol_check_resv, "VOL BAD resv") \
EM(cachefiles_coherency_vol_check_xattr,"VOL BAD xatt") \
EM(cachefiles_coherency_vol_set_fail, "VOL SET fail") \
E_(cachefiles_coherency_vol_set_ok, "VOL SET ok ")
#define cachefiles_trunc_traces \
EM(cachefiles_trunc_dio_adjust, "DIOADJ") \
EM(cachefiles_trunc_expand_tmpfile, "EXPTMP") \
E_(cachefiles_trunc_shrink, "SHRINK")
#define cachefiles_prepare_read_traces \
EM(cachefiles_trace_read_after_eof, "after-eof ") \
EM(cachefiles_trace_read_found_hole, "found-hole") \
EM(cachefiles_trace_read_found_part, "found-part") \
EM(cachefiles_trace_read_have_data, "have-data ") \
EM(cachefiles_trace_read_no_data, "no-data ") \
EM(cachefiles_trace_read_no_file, "no-file ") \
EM(cachefiles_trace_read_seek_error, "seek-error") \
E_(cachefiles_trace_read_seek_nxio, "seek-enxio")
#define cachefiles_error_traces \
EM(cachefiles_trace_fallocate_error, "fallocate") \
EM(cachefiles_trace_getxattr_error, "getxattr") \
EM(cachefiles_trace_link_error, "link") \
EM(cachefiles_trace_lookup_error, "lookup") \
EM(cachefiles_trace_mkdir_error, "mkdir") \
EM(cachefiles_trace_notify_change_error, "notify_change") \
EM(cachefiles_trace_open_error, "open") \
EM(cachefiles_trace_read_error, "read") \
EM(cachefiles_trace_remxattr_error, "remxattr") \
EM(cachefiles_trace_rename_error, "rename") \
EM(cachefiles_trace_seek_error, "seek") \
EM(cachefiles_trace_setxattr_error, "setxattr") \
EM(cachefiles_trace_statfs_error, "statfs") \
EM(cachefiles_trace_tmpfile_error, "tmpfile") \
EM(cachefiles_trace_trunc_error, "trunc") \
EM(cachefiles_trace_unlink_error, "unlink") \
E_(cachefiles_trace_write_error, "write")
/*
* 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;
cachefiles_trunc_traces;
cachefiles_prepare_read_traces;
cachefiles_error_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(unsigned int object_debug_id,
unsigned int cookie_debug_id,
int usage,
enum cachefiles_obj_ref_trace why),
TP_ARGS(object_debug_id, cookie_debug_id, usage, why),
/* 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 = object_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 *dir,
struct dentry *de),
TP_ARGS(obj, dir, de),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(short, error )
__field(unsigned long, dino )
__field(unsigned long, ino )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->dino = d_backing_inode(dir)->i_ino;
__entry->ino = (!IS_ERR(de) && d_backing_inode(de) ?
d_backing_inode(de)->i_ino : 0);
__entry->error = IS_ERR(de) ? PTR_ERR(de) : 0;
),
TP_printk("o=%08x dB=%lx B=%lx e=%d",
__entry->obj, __entry->dino, __entry->ino, __entry->error)
);
TRACE_EVENT(cachefiles_mkdir,
TP_PROTO(struct dentry *dir, struct dentry *subdir),
TP_ARGS(dir, subdir),
TP_STRUCT__entry(
__field(unsigned int, dir )
__field(unsigned int, subdir )
),
TP_fast_assign(
__entry->dir = d_backing_inode(dir)->i_ino;
__entry->subdir = d_backing_inode(subdir)->i_ino;
),
TP_printk("dB=%x sB=%x",
__entry->dir,
__entry->subdir)
);
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->debug_id;
__entry->backer = backer->i_ino;
),
TP_printk("o=%08x B=%x",
__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->debug_id;
__entry->backer = backer->i_ino;
),
TP_printk("o=%08x B=%x",
__entry->obj,
__entry->backer)
);
TRACE_EVENT(cachefiles_unlink,
TP_PROTO(struct cachefiles_object *obj,
ino_t ino,
enum fscache_why_object_killed why),
TP_ARGS(obj, ino, why),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, ino )
__field(enum fscache_why_object_killed, why )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : UINT_MAX;
__entry->ino = ino;
__entry->why = why;
),
TP_printk("o=%08x B=%x w=%s",
__entry->obj, __entry->ino,
__print_symbolic(__entry->why, cachefiles_obj_kill_traces))
);
TRACE_EVENT(cachefiles_rename,
TP_PROTO(struct cachefiles_object *obj,
ino_t ino,
enum fscache_why_object_killed why),
TP_ARGS(obj, ino, why),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, ino )
__field(enum fscache_why_object_killed, why )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : UINT_MAX;
__entry->ino = ino;
__entry->why = why;
),
TP_printk("o=%08x B=%x w=%s",
__entry->obj, __entry->ino,
__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->debug_id;
__entry->why = why;
__entry->content = content;
__entry->ino = ino;
),
TP_printk("o=%08x %s B=%llx c=%u",
__entry->obj,
__print_symbolic(__entry->why, cachefiles_coherency_traces),
__entry->ino,
__entry->content)
);
TRACE_EVENT(cachefiles_vol_coherency,
TP_PROTO(struct cachefiles_volume *volume,
ino_t ino,
enum cachefiles_coherency_trace why),
TP_ARGS(volume, ino, why),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, vol )
__field(enum cachefiles_coherency_trace, why )
__field(u64, ino )
),
TP_fast_assign(
__entry->vol = volume->vcookie->debug_id;
__entry->why = why;
__entry->ino = ino;
),
TP_printk("V=%08x %s B=%llx",
__entry->vol,
__print_symbolic(__entry->why, cachefiles_coherency_traces),
__entry->ino)
);
TRACE_EVENT(cachefiles_prep_read,
TP_PROTO(struct cachefiles_object *obj,
loff_t start,
size_t len,
unsigned short flags,
enum netfs_io_source source,
enum cachefiles_prepare_read_trace why,
ino_t cache_inode, ino_t netfs_inode),
TP_ARGS(obj, start, len, flags, source, why, cache_inode, netfs_inode),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned short, flags )
__field(enum netfs_io_source, source )
__field(enum cachefiles_prepare_read_trace, why )
__field(size_t, len )
__field(loff_t, start )
__field(unsigned int, netfs_inode )
__field(unsigned int, cache_inode )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->flags = flags;
__entry->source = source;
__entry->why = why;
__entry->len = len;
__entry->start = start;
__entry->netfs_inode = netfs_inode;
__entry->cache_inode = cache_inode;
),
TP_printk("o=%08x %s %s f=%02x s=%llx %zx ni=%x B=%x",
__entry->obj,
__print_symbolic(__entry->source, netfs_sreq_sources),
__print_symbolic(__entry->why, cachefiles_prepare_read_traces),
__entry->flags,
__entry->start, __entry->len,
__entry->netfs_inode, __entry->cache_inode)
);
TRACE_EVENT(cachefiles_read,
TP_PROTO(struct cachefiles_object *obj,
struct inode *backer,
loff_t start,
size_t len),
TP_ARGS(obj, backer, start, len),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, backer )
__field(size_t, len )
__field(loff_t, start )
),
TP_fast_assign(
__entry->obj = obj->debug_id;
__entry->backer = backer->i_ino;
__entry->start = start;
__entry->len = len;
),
TP_printk("o=%08x B=%x s=%llx l=%zx",
__entry->obj,
__entry->backer,
__entry->start,
__entry->len)
);
TRACE_EVENT(cachefiles_write,
TP_PROTO(struct cachefiles_object *obj,
struct inode *backer,
loff_t start,
size_t len),
TP_ARGS(obj, backer, start, len),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, backer )
__field(size_t, len )
__field(loff_t, start )
),
TP_fast_assign(
__entry->obj = obj->debug_id;
__entry->backer = backer->i_ino;
__entry->start = start;
__entry->len = len;
),
TP_printk("o=%08x B=%x s=%llx l=%zx",
__entry->obj,
__entry->backer,
__entry->start,
__entry->len)
);
TRACE_EVENT(cachefiles_trunc,
TP_PROTO(struct cachefiles_object *obj, struct inode *backer,
loff_t from, loff_t to, enum cachefiles_trunc_trace why),
TP_ARGS(obj, backer, from, to, why),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, backer )
__field(enum cachefiles_trunc_trace, why )
__field(loff_t, from )
__field(loff_t, to )
),
TP_fast_assign(
__entry->obj = obj->debug_id;
__entry->backer = backer->i_ino;
__entry->from = from;
__entry->to = to;
__entry->why = why;
),
TP_printk("o=%08x B=%x %s l=%llx->%llx",
__entry->obj,
__entry->backer,
__print_symbolic(__entry->why, cachefiles_trunc_traces),
__entry->from,
__entry->to)
);
TRACE_EVENT(cachefiles_mark_active,
TP_PROTO(struct cachefiles_object *obj,
struct inode *inode),
TP_ARGS(obj, inode),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(ino_t, inode )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->inode = inode->i_ino;
),
TP_printk("o=%08x B=%lx",
__entry->obj, __entry->inode)
);
TRACE_EVENT(cachefiles_mark_failed,
TP_PROTO(struct cachefiles_object *obj,
struct inode *inode),
TP_ARGS(obj, inode),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(ino_t, inode )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->inode = inode->i_ino;
),
TP_printk("o=%08x B=%lx",
__entry->obj, __entry->inode)
);
TRACE_EVENT(cachefiles_mark_inactive,
TP_PROTO(struct cachefiles_object *obj,
struct inode *inode),
TP_ARGS(obj, inode),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(ino_t, inode )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->inode = inode->i_ino;
),
TP_printk("o=%08x B=%lx",
__entry->obj, __entry->inode)
);
TRACE_EVENT(cachefiles_vfs_error,
TP_PROTO(struct cachefiles_object *obj, struct inode *backer,
int error, enum cachefiles_error_trace where),
TP_ARGS(obj, backer, error, where),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, backer )
__field(enum cachefiles_error_trace, where )
__field(short, error )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->backer = backer->i_ino;
__entry->error = error;
__entry->where = where;
),
TP_printk("o=%08x B=%x %s e=%d",
__entry->obj,
__entry->backer,
__print_symbolic(__entry->where, cachefiles_error_traces),
__entry->error)
);
TRACE_EVENT(cachefiles_io_error,
TP_PROTO(struct cachefiles_object *obj, struct inode *backer,
int error, enum cachefiles_error_trace where),
TP_ARGS(obj, backer, error, where),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, backer )
__field(enum cachefiles_error_trace, where )
__field(short, error )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->backer = backer->i_ino;
__entry->error = error;
__entry->where = where;
),
TP_printk("o=%08x B=%x %s e=%d",
__entry->obj,
__entry->backer,
__print_symbolic(__entry->where, cachefiles_error_traces),
__entry->error)
);
TRACE_EVENT(cachefiles_ondemand_open,
TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg,
struct cachefiles_open *load),
TP_ARGS(obj, msg, load),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, msg_id )
__field(unsigned int, object_id )
__field(unsigned int, fd )
__field(unsigned int, flags )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->msg_id = msg->msg_id;
__entry->object_id = msg->object_id;
__entry->fd = load->fd;
__entry->flags = load->flags;
),
TP_printk("o=%08x mid=%x oid=%x fd=%d f=%x",
__entry->obj,
__entry->msg_id,
__entry->object_id,
__entry->fd,
__entry->flags)
);
TRACE_EVENT(cachefiles_ondemand_copen,
TP_PROTO(struct cachefiles_object *obj, unsigned int msg_id,
long len),
TP_ARGS(obj, msg_id, len),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, msg_id )
__field(long, len )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->msg_id = msg_id;
__entry->len = len;
),
TP_printk("o=%08x mid=%x l=%lx",
__entry->obj,
__entry->msg_id,
__entry->len)
);
TRACE_EVENT(cachefiles_ondemand_close,
TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg),
TP_ARGS(obj, msg),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, msg_id )
__field(unsigned int, object_id )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->msg_id = msg->msg_id;
__entry->object_id = msg->object_id;
),
TP_printk("o=%08x mid=%x oid=%x",
__entry->obj,
__entry->msg_id,
__entry->object_id)
);
TRACE_EVENT(cachefiles_ondemand_read,
TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg,
struct cachefiles_read *load),
TP_ARGS(obj, msg, load),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, msg_id )
__field(unsigned int, object_id )
__field(loff_t, start )
__field(size_t, len )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->msg_id = msg->msg_id;
__entry->object_id = msg->object_id;
__entry->start = load->off;
__entry->len = load->len;
),
TP_printk("o=%08x mid=%x oid=%x s=%llx l=%zx",
__entry->obj,
__entry->msg_id,
__entry->object_id,
__entry->start,
__entry->len)
);
TRACE_EVENT(cachefiles_ondemand_cread,
TP_PROTO(struct cachefiles_object *obj, unsigned int msg_id),
TP_ARGS(obj, msg_id),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, msg_id )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->msg_id = msg_id;
),
TP_printk("o=%08x mid=%x",
__entry->obj,
__entry->msg_id)
);
TRACE_EVENT(cachefiles_ondemand_fd_write,
TP_PROTO(struct cachefiles_object *obj, struct inode *backer,
loff_t start, size_t len),
TP_ARGS(obj, backer, start, len),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, backer )
__field(loff_t, start )
__field(size_t, len )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->backer = backer->i_ino;
__entry->start = start;
__entry->len = len;
),
TP_printk("o=%08x iB=%x s=%llx l=%zx",
__entry->obj,
__entry->backer,
__entry->start,
__entry->len)
);
TRACE_EVENT(cachefiles_ondemand_fd_release,
TP_PROTO(struct cachefiles_object *obj, int object_id),
TP_ARGS(obj, object_id),
TP_STRUCT__entry(
__field(unsigned int, obj )
__field(unsigned int, object_id )
),
TP_fast_assign(
__entry->obj = obj ? obj->debug_id : 0;
__entry->object_id = object_id;
),
TP_printk("o=%08x oid=%x",
__entry->obj,
__entry->object_id)
);
#endif /* _TRACE_CACHEFILES_H */
/* This part must be outside protection */
#include <trace/define_trace.h>