diff options
Diffstat (limited to 'include/linux/ftrace_event.h')
| -rw-r--r-- | include/linux/ftrace_event.h | 51 |
1 files changed, 40 insertions, 11 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 13a54d0bdfa..c7191d482f9 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -182,18 +182,20 @@ extern int ftrace_event_reg(struct ftrace_event_call *event, enum trace_reg type, void *data); enum { - TRACE_EVENT_FL_ENABLED_BIT, TRACE_EVENT_FL_FILTERED_BIT, - TRACE_EVENT_FL_RECORDED_CMD_BIT, TRACE_EVENT_FL_CAP_ANY_BIT, TRACE_EVENT_FL_NO_SET_FILTER_BIT, TRACE_EVENT_FL_IGNORE_ENABLE_BIT, }; +/* + * Event flags: + * FILTERED - The event has a filter attached + * CAP_ANY - Any user can enable for perf + * NO_SET_FILTER - Set when filter has error and is to be ignored + */ enum { - TRACE_EVENT_FL_ENABLED = (1 << TRACE_EVENT_FL_ENABLED_BIT), TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), - TRACE_EVENT_FL_RECORDED_CMD = (1 << TRACE_EVENT_FL_RECORDED_CMD_BIT), TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT), TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT), @@ -203,12 +205,44 @@ struct ftrace_event_call { struct list_head list; struct ftrace_event_class *class; char *name; - struct dentry *dir; struct trace_event event; const char *print_fmt; struct event_filter *filter; + struct list_head *files; void *mod; void *data; + int flags; /* static flags of different events */ + +#ifdef CONFIG_PERF_EVENTS + int perf_refcount; + struct hlist_head __percpu *perf_events; +#endif +}; + +struct trace_array; +struct ftrace_subsystem_dir; + +enum { + FTRACE_EVENT_FL_ENABLED_BIT, + FTRACE_EVENT_FL_RECORDED_CMD_BIT, +}; + +/* + * Ftrace event file flags: + * ENABELD - The event is enabled + * RECORDED_CMD - The comms should be recorded at sched_switch + */ +enum { + FTRACE_EVENT_FL_ENABLED = (1 << FTRACE_EVENT_FL_ENABLED_BIT), + FTRACE_EVENT_FL_RECORDED_CMD = (1 << FTRACE_EVENT_FL_RECORDED_CMD_BIT), +}; + +struct ftrace_event_file { + struct list_head list; + struct ftrace_event_call *event_call; + struct dentry *dir; + struct trace_array *tr; + struct ftrace_subsystem_dir *system; /* * 32 bit flags: @@ -223,17 +257,12 @@ struct ftrace_event_call { * * Note: Reads of flags do not hold the event_mutex since * they occur in critical sections. But the way flags - * is currently used, these changes do no affect the code + * is currently used, these changes do not affect the code * except that when a change is made, it may have a slight * delay in propagating the changes to other CPUs due to * caching and such. */ unsigned int flags; - -#ifdef CONFIG_PERF_EVENTS - int perf_refcount; - struct hlist_head __percpu *perf_events; -#endif }; #define __TRACE_EVENT_FLAGS(name, value) \ |