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-rw-r--r--include/trace/events/cachefiles.h527
1 files changed, 420 insertions, 107 deletions
diff --git a/include/trace/events/cachefiles.h b/include/trace/events/cachefiles.h
index 920b6a303d60..1172529b5b49 100644
--- a/include/trace/events/cachefiles.h
+++ b/include/trace/events/cachefiles.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* CacheFiles tracepoints
*
- * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*/
#undef TRACE_SYSTEM
@@ -19,9 +19,83 @@
#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
+ 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,
+};
+
+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_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
@@ -31,21 +105,78 @@ enum cachefiles_obj_ref_trace {
*/
#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") \
- E_(FSCACHE_OBJECT_WAS_CULLED, "was_culled")
+ EM(FSCACHE_OBJECT_WAS_CULLED, "was_culled") \
+ E_(FSCACHE_VOLUME_IS_WEIRD, "volume_weird")
#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")
+ 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_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.
@@ -57,6 +188,10 @@ enum cachefiles_obj_ref_trace {
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
@@ -69,12 +204,12 @@ cachefiles_obj_ref_traces;
TRACE_EVENT(cachefiles_ref,
- TP_PROTO(struct cachefiles_object *obj,
- struct fscache_cookie *cookie,
- enum cachefiles_obj_ref_trace why,
- int usage),
+ TP_PROTO(unsigned int object_debug_id,
+ unsigned int cookie_debug_id,
+ int usage,
+ enum cachefiles_obj_ref_trace why),
- TP_ARGS(obj, cookie, why, usage),
+ TP_ARGS(object_debug_id, cookie_debug_id, usage, why),
/* Note that obj may be NULL */
TP_STRUCT__entry(
@@ -85,8 +220,8 @@ TRACE_EVENT(cachefiles_ref,
),
TP_fast_assign(
- __entry->obj = obj->fscache.debug_id;
- __entry->cookie = cookie->debug_id;
+ __entry->obj = object_debug_id;
+ __entry->cookie = cookie_debug_id;
__entry->usage = usage;
__entry->why = why;
),
@@ -98,69 +233,65 @@ TRACE_EVENT(cachefiles_ref,
TRACE_EVENT(cachefiles_lookup,
TP_PROTO(struct cachefiles_object *obj,
- struct dentry *de,
- struct inode *inode),
+ struct dentry *de),
- TP_ARGS(obj, de, inode),
+ TP_ARGS(obj, de),
TP_STRUCT__entry(
__field(unsigned int, obj )
- __field(struct dentry *, de )
- __field(struct inode *, inode )
+ __field(short, error )
+ __field(unsigned long, ino )
),
TP_fast_assign(
- __entry->obj = obj->fscache.debug_id;
- __entry->de = de;
- __entry->inode = inode;
+ __entry->obj = obj->debug_id;
+ __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 d=%p i=%p",
- __entry->obj, __entry->de, __entry->inode)
+ TP_printk("o=%08x i=%lx e=%d",
+ __entry->obj, __entry->ino, __entry->error)
);
-TRACE_EVENT(cachefiles_mkdir,
- TP_PROTO(struct cachefiles_object *obj,
- struct dentry *de, int ret),
+TRACE_EVENT(cachefiles_tmpfile,
+ TP_PROTO(struct cachefiles_object *obj, struct inode *backer),
- TP_ARGS(obj, de, ret),
+ TP_ARGS(obj, backer),
TP_STRUCT__entry(
- __field(unsigned int, obj )
- __field(struct dentry *, de )
- __field(int, ret )
+ __field(unsigned int, obj )
+ __field(unsigned int, backer )
),
TP_fast_assign(
- __entry->obj = obj->fscache.debug_id;
- __entry->de = de;
- __entry->ret = ret;
+ __entry->obj = obj->debug_id;
+ __entry->backer = backer->i_ino;
),
- TP_printk("o=%08x d=%p r=%u",
- __entry->obj, __entry->de, __entry->ret)
+ TP_printk("o=%08x b=%08x",
+ __entry->obj,
+ __entry->backer)
);
-TRACE_EVENT(cachefiles_create,
- TP_PROTO(struct cachefiles_object *obj,
- struct dentry *de, int ret),
+TRACE_EVENT(cachefiles_link,
+ TP_PROTO(struct cachefiles_object *obj, struct inode *backer),
- TP_ARGS(obj, de, ret),
+ TP_ARGS(obj, backer),
TP_STRUCT__entry(
- __field(unsigned int, obj )
- __field(struct dentry *, de )
- __field(int, ret )
+ __field(unsigned int, obj )
+ __field(unsigned int, backer )
),
TP_fast_assign(
- __entry->obj = obj->fscache.debug_id;
- __entry->de = de;
- __entry->ret = ret;
+ __entry->obj = obj->debug_id;
+ __entry->backer = backer->i_ino;
),
- TP_printk("o=%08x d=%p r=%u",
- __entry->obj, __entry->de, __entry->ret)
+ TP_printk("o=%08x b=%08x",
+ __entry->obj,
+ __entry->backer)
);
TRACE_EVENT(cachefiles_unlink,
@@ -178,7 +309,7 @@ TRACE_EVENT(cachefiles_unlink,
),
TP_fast_assign(
- __entry->obj = obj ? obj->fscache.debug_id : UINT_MAX;
+ __entry->obj = obj ? obj->debug_id : UINT_MAX;
__entry->de = de;
__entry->why = why;
),
@@ -205,7 +336,7 @@ TRACE_EVENT(cachefiles_rename,
),
TP_fast_assign(
- __entry->obj = obj ? obj->fscache.debug_id : UINT_MAX;
+ __entry->obj = obj ? obj->debug_id : UINT_MAX;
__entry->de = de;
__entry->to = to;
__entry->why = why;
@@ -216,103 +347,285 @@ TRACE_EVENT(cachefiles_rename,
__print_symbolic(__entry->why, cachefiles_obj_kill_traces))
);
-TRACE_EVENT(cachefiles_mark_active,
+TRACE_EVENT(cachefiles_coherency,
TP_PROTO(struct cachefiles_object *obj,
- struct dentry *de),
+ ino_t ino,
+ enum cachefiles_content content,
+ enum cachefiles_coherency_trace why),
- TP_ARGS(obj, de),
+ TP_ARGS(obj, ino, content, why),
/* Note that obj may be NULL */
TP_STRUCT__entry(
- __field(unsigned int, obj )
- __field(struct dentry *, de )
+ __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->de = de;
+ __entry->obj = obj->debug_id;
+ __entry->why = why;
+ __entry->content = content;
+ __entry->ino = ino;
),
- TP_printk("o=%08x d=%p",
- __entry->obj, __entry->de)
+ 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_wait_active,
- TP_PROTO(struct cachefiles_object *obj,
- struct dentry *de,
- struct cachefiles_object *xobj),
+TRACE_EVENT(cachefiles_vol_coherency,
+ TP_PROTO(struct cachefiles_volume *volume,
+ ino_t ino,
+ enum cachefiles_coherency_trace why),
- TP_ARGS(obj, de, xobj),
+ TP_ARGS(volume, ino, why),
/* 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 )
+ __field(unsigned int, vol )
+ __field(enum cachefiles_coherency_trace, why )
+ __field(u64, ino )
),
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;
+ __entry->vol = volume->vcookie->debug_id;
+ __entry->why = why;
+ __entry->ino = ino;
),
- TP_printk("o=%08x d=%p wo=%08x wf=%x wff=%x",
- __entry->obj, __entry->de, __entry->xobj,
- __entry->flags, __entry->fsc_flags)
+ TP_printk("V=%08x %s i=%llx",
+ __entry->vol,
+ __print_symbolic(__entry->why, cachefiles_coherency_traces),
+ __entry->ino)
);
-TRACE_EVENT(cachefiles_mark_inactive,
+TRACE_EVENT(cachefiles_prep_read,
+ TP_PROTO(struct netfs_read_subrequest *sreq,
+ enum netfs_read_source source,
+ enum cachefiles_prepare_read_trace why,
+ ino_t cache_inode),
+
+ TP_ARGS(sreq, source, why, cache_inode),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, rreq )
+ __field(unsigned short, index )
+ __field(unsigned short, flags )
+ __field(enum netfs_read_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->rreq = sreq->rreq->debug_id;
+ __entry->index = sreq->debug_index;
+ __entry->flags = sreq->flags;
+ __entry->source = source;
+ __entry->why = why;
+ __entry->len = sreq->len;
+ __entry->start = sreq->start;
+ __entry->netfs_inode = sreq->rreq->inode->i_ino;
+ __entry->cache_inode = cache_inode;
+ ),
+
+ TP_printk("R=%08x[%u] %s %s f=%02x s=%llx %zx ni=%x b=%x",
+ __entry->rreq, __entry->index,
+ __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=%08x 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=%08x 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=%08x %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 dentry *de,
struct inode *inode),
- TP_ARGS(obj, de, inode),
+ TP_ARGS(obj, inode),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, obj )
- __field(struct dentry *, de )
- __field(struct inode *, inode )
+ __field(ino_t, inode )
),
TP_fast_assign(
- __entry->obj = obj->fscache.debug_id;
- __entry->de = de;
- __entry->inode = inode;
+ __entry->obj = obj ? obj->debug_id : 0;
+ __entry->inode = inode->i_ino;
),
- TP_printk("o=%08x d=%p i=%p",
- __entry->obj, __entry->de, __entry->inode)
+ TP_printk("o=%08x i=%lx",
+ __entry->obj, __entry->inode)
);
-TRACE_EVENT(cachefiles_mark_buried,
+TRACE_EVENT(cachefiles_mark_inactive,
TP_PROTO(struct cachefiles_object *obj,
- struct dentry *de,
- enum fscache_why_object_killed why),
+ struct inode *inode),
- TP_ARGS(obj, de, why),
+ TP_ARGS(obj, inode),
/* Note that obj may be NULL */
TP_STRUCT__entry(
__field(unsigned int, obj )
- __field(struct dentry *, de )
- __field(enum fscache_why_object_killed, why )
+ __field(ino_t, inode )
),
TP_fast_assign(
- __entry->obj = obj ? obj->fscache.debug_id : UINT_MAX;
- __entry->de = de;
- __entry->why = why;
+ __entry->obj = obj ? obj->debug_id : 0;
+ __entry->inode = inode->i_ino;
),
- TP_printk("o=%08x d=%p w=%s",
- __entry->obj, __entry->de,
- __print_symbolic(__entry->why, cachefiles_obj_kill_traces))
+ TP_printk("o=%08x i=%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=%08x %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=%08x %s e=%d",
+ __entry->obj,
+ __entry->backer,
+ __print_symbolic(__entry->where, cachefiles_error_traces),
+ __entry->error)
);
#endif /* _TRACE_CACHEFILES_H */