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Diffstat (limited to 'include/linux/ftrace_event.h')
-rw-r--r--include/linux/ftrace_event.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index c674ee8f7fca..46e83c2156c6 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -13,6 +13,7 @@ struct trace_array;
struct trace_buffer;
struct tracer;
struct dentry;
+struct bpf_prog;
struct trace_print_flags {
unsigned long mask;
@@ -202,7 +203,7 @@ enum trace_reg {
struct ftrace_event_call;
struct ftrace_event_class {
- char *system;
+ const char *system;
void *probe;
#ifdef CONFIG_PERF_EVENTS
void *perf_probe;
@@ -252,6 +253,7 @@ enum {
TRACE_EVENT_FL_WAS_ENABLED_BIT,
TRACE_EVENT_FL_USE_CALL_FILTER_BIT,
TRACE_EVENT_FL_TRACEPOINT_BIT,
+ TRACE_EVENT_FL_KPROBE_BIT,
};
/*
@@ -265,6 +267,7 @@ enum {
* it is best to clear the buffers that used it).
* USE_CALL_FILTER - For ftrace internal events, don't use file filter
* TRACEPOINT - Event is a tracepoint
+ * KPROBE - Event is a kprobe
*/
enum {
TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT),
@@ -274,6 +277,7 @@ enum {
TRACE_EVENT_FL_WAS_ENABLED = (1 << TRACE_EVENT_FL_WAS_ENABLED_BIT),
TRACE_EVENT_FL_USE_CALL_FILTER = (1 << TRACE_EVENT_FL_USE_CALL_FILTER_BIT),
TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT),
+ TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT),
};
struct ftrace_event_call {
@@ -285,7 +289,7 @@ struct ftrace_event_call {
struct tracepoint *tp;
};
struct trace_event event;
- const char *print_fmt;
+ char *print_fmt;
struct event_filter *filter;
void *mod;
void *data;
@@ -303,6 +307,7 @@ struct ftrace_event_call {
#ifdef CONFIG_PERF_EVENTS
int perf_refcount;
struct hlist_head __percpu *perf_events;
+ struct bpf_prog *prog;
int (*perf_perm)(struct ftrace_event_call *,
struct perf_event *);
@@ -548,6 +553,15 @@ event_trigger_unlock_commit_regs(struct ftrace_event_file *file,
event_triggers_post_call(file, tt);
}
+#ifdef CONFIG_BPF_SYSCALL
+unsigned int trace_call_bpf(struct bpf_prog *prog, void *ctx);
+#else
+static inline unsigned int trace_call_bpf(struct bpf_prog *prog, void *ctx)
+{
+ return 1;
+}
+#endif
+
enum {
FILTER_OTHER = 0,
FILTER_STATIC_STRING,