/* SPDX-License-Identifier: GPL-2.0 *//* * Because linux/module.h has tracepoints in the header, and ftrace.h * used to include this file, define_trace.h includes linux/module.h * But we do not want the module.h to override the TRACE_SYSTEM macro * variable that define_trace.h is processing, so we only set it * when module events are being processed, which would happen when * CREATE_TRACE_POINTS is defined. */#ifdef CREATE_TRACE_POINTS#undef TRACE_SYSTEM#define TRACE_SYSTEM module#endif #if !defined(_TRACE_MODULE_H) || defined(TRACE_HEADER_MULTI_READ)#define _TRACE_MODULE_H #include <linux/tracepoint.h> #ifdef CONFIG_MODULES struct module; #define show_module_flags(flags) __print_flags(flags, "",	\	{ (1UL << TAINT_PROPRIETARY_MODULE),	"P" },		\	{ (1UL << TAINT_OOT_MODULE),		"O" },		\	{ (1UL << TAINT_FORCED_MODULE),		"F" },		\	{ (1UL << TAINT_CRAP),			"C" },		\	{ (1UL << TAINT_UNSIGNED_MODULE),	"E" }) TRACE_EVENT(module_load, 	TP_PROTO(struct module *mod), 	TP_ARGS(mod), 	TP_STRUCT__entry(		__field(	unsigned int,	taints		)		__string(	name,		mod->name	)	), 	TP_fast_assign(		__entry->taints = mod->taints;		__assign_str(name, mod->name);	), 	TP_printk("%s %s", __get_str(name), show_module_flags(__entry->taints))); TRACE_EVENT(module_free, 	TP_PROTO(struct module *mod), 	TP_ARGS(mod), 	TP_STRUCT__entry(		__string(	name,		mod->name	)	), 	TP_fast_assign(		__assign_str(name, mod->name);	), 	TP_printk("%s", __get_str(name))); #ifdef CONFIG_MODULE_UNLOAD/* trace_module_get/put are only used if CONFIG_MODULE_UNLOAD is defined */ DECLARE_EVENT_CLASS(module_refcnt, 	TP_PROTO(struct module *mod, unsigned long ip), 	TP_ARGS(mod, ip), 	TP_STRUCT__entry(		__field(	unsigned long,	ip		)		__field(	int,		refcnt		)		__string(	name,		mod->name	)	), 	TP_fast_assign(		__entry->ip	= ip;		__entry->refcnt	= atomic_read(&mod->refcnt);		__assign_str(name, mod->name);	), 	TP_printk("%s call_site=%ps refcnt=%d",		  __get_str(name), (void *)__entry->ip, __entry->refcnt)); DEFINE_EVENT(module_refcnt, module_get, 	TP_PROTO(struct module *mod, unsigned long ip), 	TP_ARGS(mod, ip)); DEFINE_EVENT(module_refcnt, module_put, 	TP_PROTO(struct module *mod, unsigned long ip), 	TP_ARGS(mod, ip));#endif /* CONFIG_MODULE_UNLOAD */ TRACE_EVENT(module_request, 	TP_PROTO(char *name, bool wait, unsigned long ip), 	TP_ARGS(name, wait, ip), 	TP_STRUCT__entry(		__field(	unsigned long,	ip		)		__field(	bool,		wait		)		__string(	name,		name		)	), 	TP_fast_assign(		__entry->ip	= ip;		__entry->wait	= wait;		__assign_str(name, name);	), 	TP_printk("%s wait=%d call_site=%ps",		  __get_str(name), (int)__entry->wait, (void *)__entry->ip)); #endif /* CONFIG_MODULES */ #endif /* _TRACE_MODULE_H */ /* This part must be outside protection */#include <trace/define_trace.h>