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-rw-r--r--include/trace/events/cachefiles.h325
1 files changed, 325 insertions, 0 deletions
diff --git a/include/trace/events/cachefiles.h b/include/trace/events/cachefiles.h
new file mode 100644
index 000000000..aa86e7dba
--- /dev/null
+++ b/include/trace/events/cachefiles.h
@@ -0,0 +1,325 @@
+/* CacheFiles tracepoints
+ *
+ * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#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(struct cachefiles_object *, obj )
+ __field(struct fscache_cookie *, cookie )
+ __field(enum cachefiles_obj_ref_trace, why )
+ __field(int, usage )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->cookie = cookie;
+ __entry->usage = usage;
+ __entry->why = why;
+ ),
+
+ TP_printk("c=%p o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(struct inode *, inode )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->inode = inode;
+ ),
+
+ TP_printk("o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(enum fscache_why_object_killed, why )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->why = why;
+ ),
+
+ TP_printk("o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(struct dentry *, to )
+ __field(enum fscache_why_object_killed, why )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->to = to;
+ __entry->why = why;
+ ),
+
+ TP_printk("o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ ),
+
+ TP_printk("o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(struct cachefiles_object *, xobj )
+ __field(u16, flags )
+ __field(u16, fsc_flags )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->xobj = xobj;
+ __entry->flags = xobj->flags;
+ __entry->fsc_flags = xobj->fscache.flags;
+ ),
+
+ TP_printk("o=%p d=%p wo=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(struct inode *, inode )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->inode = inode;
+ ),
+
+ TP_printk("o=%p 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(struct cachefiles_object *, obj )
+ __field(struct dentry *, de )
+ __field(enum fscache_why_object_killed, why )
+ ),
+
+ TP_fast_assign(
+ __entry->obj = obj;
+ __entry->de = de;
+ __entry->why = why;
+ ),
+
+ TP_printk("o=%p 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>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 12:30:14 +0000