+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Because linux/module.h has tracepoints in the header, and ftrace.h
* eventually includes this file, define_trace.h includes linux/module.h
#define TRACE_SYSTEM module
#endif
-#if !defined(_TRACE_MODULE_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_MODULE_H
+#if !defined(LTTNG_TRACE_MODULE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_MODULE_H
-#include <linux/tracepoint.h>
+#include <lttng/tracepoint-event.h>
#include <linux/version.h>
#ifdef CONFIG_MODULES
#define _TRACE_MODULE_DEF
struct module;
-#define show_module_flags(flags) __print_flags(flags, "", \
- { (1UL << TAINT_PROPRIETARY_MODULE), "P" }, \
- { (1UL << TAINT_FORCED_MODULE), "F" }, \
- { (1UL << TAINT_CRAP), "C" })
#endif
-TRACE_EVENT(module_load,
+LTTNG_TRACEPOINT_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(
- tp_assign(taints, mod->taints)
- tp_strcpy(name, mod->name)
- ),
-
- TP_printk("%s %s", __get_str(name), show_module_flags(__entry->taints))
+ TP_FIELDS(
+ ctf_integer(unsigned int, taints, mod->taints)
+ ctf_string(name, mod->name)
+ )
)
-TRACE_EVENT(module_free,
+LTTNG_TRACEPOINT_EVENT(module_free,
TP_PROTO(struct module *mod),
TP_ARGS(mod),
- TP_STRUCT__entry(
- __string( name, mod->name )
- ),
-
- TP_fast_assign(
- tp_strcpy(name, mod->name)
- ),
-
- TP_printk("%s", __get_str(name))
+ TP_FIELDS(
+ ctf_string(name, mod->name)
+ )
)
#ifdef CONFIG_MODULE_UNLOAD
/* trace_module_get/put are only used if CONFIG_MODULE_UNLOAD is defined */
-DECLARE_EVENT_CLASS(module_refcnt,
+LTTNG_TRACEPOINT_EVENT_CLASS(module_refcnt,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
TP_PROTO(struct module *mod, unsigned long ip),
TP_ARGS(mod, ip),
-#else
- TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
- TP_ARGS(mod, ip, refcnt),
-#endif
-
- TP_STRUCT__entry(
- __field( unsigned long, ip )
- __field( int, refcnt )
- __string( name, mod->name )
- ),
-
- TP_fast_assign(
- tp_assign(ip, ip)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
- tp_assign(refcnt, __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs))
+ TP_FIELDS(
+ ctf_integer_hex(unsigned long, ip, ip)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
+ ctf_integer(int, refcnt, atomic_read(&mod->refcnt))
#else
- tp_assign(refcnt, refcnt)
+ ctf_integer(int, refcnt, __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs))
#endif
- tp_strcpy(name, mod->name)
- ),
-
- TP_printk("%s call_site=%pf refcnt=%d",
- __get_str(name), (void *)__entry->ip, __entry->refcnt)
+ ctf_string(name, mod->name)
+ )
)
-DEFINE_EVENT(module_refcnt, module_get,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(module_refcnt, module_get,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
TP_PROTO(struct module *mod, unsigned long ip),
TP_ARGS(mod, ip)
-#else
- TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
-
- TP_ARGS(mod, ip, refcnt)
-#endif
)
-DEFINE_EVENT(module_refcnt, module_put,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(module_refcnt, module_put,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
TP_PROTO(struct module *mod, unsigned long ip),
TP_ARGS(mod, ip)
-#else
- TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
-
- TP_ARGS(mod, ip, refcnt)
-#endif
)
#endif /* CONFIG_MODULE_UNLOAD */
-TRACE_EVENT(module_request,
+LTTNG_TRACEPOINT_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(
- tp_assign(ip, ip)
- tp_assign(wait, wait)
- tp_strcpy(name, name)
- ),
-
- TP_printk("%s wait=%d call_site=%pf",
- __get_str(name), (int)__entry->wait, (void *)__entry->ip)
+ TP_FIELDS(
+ ctf_integer_hex(unsigned long, ip, ip)
+ ctf_integer(bool, wait, wait)
+ ctf_string(name, name)
+ )
)
#endif /* CONFIG_MODULES */
-#endif /* _TRACE_MODULE_H */
+#endif /* LTTNG_TRACE_MODULE_H */
/* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <lttng/define_trace.h>