diff options
Diffstat (limited to 'include/linux/tracepoint.h')
| -rw-r--r-- | include/linux/tracepoint.h | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 812b2553dfd8..08150e265761 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -6,7 +6,7 @@ * * See Documentation/trace/tracepoints.txt. * - * (C) Copyright 2008 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> + * Copyright (C) 2008-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> * * Heavily inspired from the Linux Kernel Markers. * @@ -21,6 +21,7 @@ struct module; struct tracepoint; +struct notifier_block; struct tracepoint_func { void *func; @@ -35,18 +36,13 @@ struct tracepoint { struct tracepoint_func __rcu *funcs; }; -/* - * Connect a probe to a tracepoint. - * Internal API, should not be used directly. - */ -extern int tracepoint_probe_register(const char *name, void *probe, void *data); - -/* - * Disconnect a probe from a tracepoint. - * Internal API, should not be used directly. - */ extern int -tracepoint_probe_unregister(const char *name, void *probe, void *data); +tracepoint_probe_register(struct tracepoint *tp, void *probe, void *data); +extern int +tracepoint_probe_unregister(struct tracepoint *tp, void *probe, void *data); +extern void +for_each_kernel_tracepoint(void (*fct)(struct tracepoint *tp, void *priv), + void *priv); #ifdef CONFIG_MODULES struct tp_module { @@ -54,12 +50,25 @@ struct tp_module { unsigned int num_tracepoints; struct tracepoint * const *tracepoints_ptrs; }; + bool trace_module_has_bad_taint(struct module *mod); +extern int register_tracepoint_module_notifier(struct notifier_block *nb); +extern int unregister_tracepoint_module_notifier(struct notifier_block *nb); #else static inline bool trace_module_has_bad_taint(struct module *mod) { return false; } +static inline +int register_tracepoint_module_notifier(struct notifier_block *nb) +{ + return 0; +} +static inline +int unregister_tracepoint_module_notifier(struct notifier_block *nb) +{ + return 0; +} #endif /* CONFIG_MODULES */ /* @@ -160,14 +169,14 @@ static inline void tracepoint_synchronize_unregister(void) static inline int \ register_trace_##name(void (*probe)(data_proto), void *data) \ { \ - return tracepoint_probe_register(#name, (void *)probe, \ - data); \ + return tracepoint_probe_register(&__tracepoint_##name, \ + (void *)probe, data); \ } \ static inline int \ unregister_trace_##name(void (*probe)(data_proto), void *data) \ { \ - return tracepoint_probe_unregister(#name, (void *)probe, \ - data); \ + return tracepoint_probe_unregister(&__tracepoint_##name,\ + (void *)probe, data); \ } \ static inline void \ check_trace_callback_type_##name(void (*cb)(data_proto)) \ |