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Diffstat (limited to 'include/linux/ftrace_event.h')
-rw-r--r--include/linux/ftrace_event.h20
1 files changed, 16 insertions, 4 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 84a5629adfd8..6b7c444ab8f6 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -5,6 +5,7 @@
5#include <linux/trace_seq.h> 5#include <linux/trace_seq.h>
6#include <linux/percpu.h> 6#include <linux/percpu.h>
7#include <linux/hardirq.h> 7#include <linux/hardirq.h>
8#include <linux/perf_event.h>
8 9
9struct trace_array; 10struct trace_array;
10struct tracer; 11struct tracer;
@@ -137,9 +138,6 @@ struct ftrace_event_call {
137 138
138#define FTRACE_MAX_PROFILE_SIZE 2048 139#define FTRACE_MAX_PROFILE_SIZE 2048
139 140
140extern char *perf_trace_buf;
141extern char *perf_trace_buf_nmi;
142
143#define MAX_FILTER_PRED 32 141#define MAX_FILTER_PRED 32
144#define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ 142#define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */
145 143
@@ -187,13 +185,27 @@ do { \
187 __trace_printk(ip, fmt, ##args); \ 185 __trace_printk(ip, fmt, ##args); \
188} while (0) 186} while (0)
189 187
190#ifdef CONFIG_EVENT_PROFILE 188#ifdef CONFIG_PERF_EVENTS
191struct perf_event; 189struct perf_event;
192extern int ftrace_profile_enable(int event_id); 190extern int ftrace_profile_enable(int event_id);
193extern void ftrace_profile_disable(int event_id); 191extern void ftrace_profile_disable(int event_id);
194extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, 192extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
195 char *filter_str); 193 char *filter_str);
196extern void ftrace_profile_free_filter(struct perf_event *event); 194extern void ftrace_profile_free_filter(struct perf_event *event);
195extern void *
196ftrace_perf_buf_prepare(int size, unsigned short type, int *rctxp,
197 unsigned long *irq_flags);
198
199static inline void
200ftrace_perf_buf_submit(void *raw_data, int size, int rctx, u64 addr,
201 u64 count, unsigned long irq_flags)
202{
203 struct trace_entry *entry = raw_data;
204
205 perf_tp_event(entry->type, addr, count, raw_data, size);
206 perf_swevent_put_recursion_context(rctx);
207 local_irq_restore(irq_flags);
208}
197#endif 209#endif
198 210
199#endif /* _LINUX_FTRACE_EVENT_H */ 211#endif /* _LINUX_FTRACE_EVENT_H */