include/trace/events/cachefiles.h - linux - Git at Google

 /* 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 ? obj->fscache.debug_id : UINT_MAX;
 		    __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>
	/* 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 ? obj->fscache.debug_id : UINT_MAX;
	__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>