[PATCH v9 perf, bpf-next 2/9] sync tools/include/uapi/linux/perf_event.h

[Song Liu]

sync changes for PERF_RECORD_KSYMBOL

Signed-off-by: Song Liu <songliubrav...@fb.com>
---
 tools/include/uapi/linux/perf_event.h | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h 
b/tools/include/uapi/linux/perf_event.h
index 9de8780ac8d9..68c4da0227c5 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -372,7 +372,8 @@ struct perf_event_attr {
                                context_switch :  1, /* context switch data */
                                write_backward :  1, /* Write ring buffer from 
end to beginning */
                                namespaces     :  1, /* include namespaces data 
*/
-                               __reserved_1   : 35;
+                               ksymbol        :  1, /* include ksymbol events 
*/
+                               __reserved_1   : 34;
 
        union {
                __u32           wakeup_events;    /* wakeup every n events */
@@ -965,9 +966,32 @@ enum perf_event_type {
         */
        PERF_RECORD_NAMESPACES                  = 16,
 
+       /*
+        * Record ksymbol register/unregister events:
+        *
+        * struct {
+        *      struct perf_event_header        header;
+        *      u64                             addr;
+        *      u32                             len;
+        *      u16                             ksym_type;
+        *      u16                             flags;
+        *      char                            name[];
+        *      struct sample_id                sample_id;
+        * };
+        */
+       PERF_RECORD_KSYMBOL                     = 17,
+
        PERF_RECORD_MAX,                        /* non-ABI */
 };
 
+enum perf_record_ksymbol_type {
+       PERF_RECORD_KSYMBOL_TYPE_UNKNOWN        = 0,
+       PERF_RECORD_KSYMBOL_TYPE_BPF            = 1,
+       PERF_RECORD_KSYMBOL_TYPE_MAX            /* non-ABI */
+};
+
+#define PERF_RECORD_KSYMBOL_FLAGS_UNREGISTER   (1 << 0)
+
 #define PERF_MAX_STACK_DEPTH           127
 #define PERF_MAX_CONTEXTS_PER_STACK      8
 
-- 
2.17.1