perf/headers: Sync new perf_event.h with the tools/include/uapi version

perf_event.h is updated in previous patch, this patch applies the same
changes to the tools/ version. This is part is put in a separate
patch in case the two files are back ported separately.

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Yonghong Song <yhs@fb.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: <daniel@iogearbox.net>
Cc: <davem@davemloft.net>
Cc: <kernel-team@fb.com>
Cc: <rostedt@goodmis.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20171206224518.3598254-5-songliubraving@fb.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/include/uapi/linux/perf_event.h

@@ -380,10 +380,14 @@ struct perf_event_attr {
 	__u32			bp_type;
 	union {
 		__u64		bp_addr;
+		__u64		kprobe_func; /* for perf_kprobe */
+		__u64		uprobe_path; /* for perf_uprobe */
 		__u64		config1; /* extension of config */
 	};
 	union {
 		__u64		bp_len;
+		__u64		kprobe_addr; /* when kprobe_func == NULL */
+		__u64		probe_offset; /* for perf_[k,u]probe */
 		__u64		config2; /* extension of config1 */
 	};
 	__u64	branch_sample_type; /* enum perf_branch_sample_type */