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Subject[PATCH v5 perf, bpf-next 2/7] sync tools/include/uapi/linux/perf_event.h
Date
sync changes for PERF_RECORD_KSYMBOL

Signed-off-by: Song Liu <songliubraving@fb.com>
---
tools/include/uapi/linux/perf_event.h | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 9de8780ac8d9..6c9e327e87ed 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 */
@@ -648,11 +649,18 @@ struct perf_event_mmap_page {
* PERF_RECORD_MISC_COMM_EXEC - PERF_RECORD_COMM event
* PERF_RECORD_MISC_FORK_EXEC - PERF_RECORD_FORK event (perf internal)
* PERF_RECORD_MISC_SWITCH_OUT - PERF_RECORD_SWITCH* events
+ * PERF_RECORD_MISC_KSYMBOL_* - PERF_RECORD_KSYMBOL event
*/
#define PERF_RECORD_MISC_MMAP_DATA (1 << 13)
#define PERF_RECORD_MISC_COMM_EXEC (1 << 13)
#define PERF_RECORD_MISC_FORK_EXEC (1 << 13)
#define PERF_RECORD_MISC_SWITCH_OUT (1 << 13)
+
+#define PERF_RECORD_MISC_KSYMBOL_UNREGISTER (1 << 3)
+#define PERF_RECORD_MISC_KSYMBOL_TYPE_MASK (7 << 4)
+#define PERF_RECORD_MISC_KSYMBOL_TYPE_UNKNOWN (0 << 4)
+#define PERF_RECORD_MISC_KSYMBOL_TYPE_BPF (1 << 4)
+
/*
* These PERF_RECORD_MISC_* flags below are safely reused
* for the following events:
@@ -965,6 +973,19 @@ enum perf_event_type {
*/
PERF_RECORD_NAMESPACES = 16,

+ /*
+ * Record ksymbol register/unregister events:
+ *
+ * struct {
+ * struct perf_event_header header;
+ * u64 addr;
+ * u64 len;
+ * char name[];
+ * struct sample_id sample_id;
+ * };
+ */
+ PERF_RECORD_KSYMBOL = 17,
+
PERF_RECORD_MAX, /* non-ABI */
};

--
2.17.1
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