Allow events with same name to be enabled for each channel

[lttng-modules.git] / lttng-abi.h

diff --git a/lttng-abi.h b/lttng-abi.h
index 8d3ecddcb442224a8809be1d3ee5c36a36647a1d..c59b8c6fd895e37c11534e2a3e4a0518253b4e06 100644 (file)
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -79,6 +79,10 @@ struct lttng_kernel_function_tracer {
        char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
 }__attribute__((packed));
 
+struct lttng_kernel_syscall {
+       char enable;
+} __attribute__((packed));
+
 /*
  * For syscall tracing, name = '\0' means "enable all".
  */
@@ -94,6 +98,7 @@ struct lttng_kernel_event {
                struct lttng_kernel_kretprobe kretprobe;
                struct lttng_kernel_kprobe kprobe;
                struct lttng_kernel_function_tracer ftrace;
+               struct lttng_kernel_syscall syscall;
                char padding[LTTNG_KERNEL_EVENT_PADDING2];
        } u;
 }__attribute__((packed));
@@ -152,6 +157,7 @@ struct lttng_kernel_context {
 #define LTTNG_KERNEL_WAIT_QUIESCENT            _IO(0xF6, 0x48)
 #define LTTNG_KERNEL_CALIBRATE                 \
        _IOWR(0xF6, 0x49, struct lttng_kernel_calibrate)
+#define LTTNG_KERNEL_SYSCALL_LIST              _IO(0xF6, 0x49)
 
 /* Session FD ioctl */
 #define LTTNG_KERNEL_METADATA                  \
@@ -174,4 +180,44 @@ struct lttng_kernel_context {
 #define LTTNG_KERNEL_ENABLE                    _IO(0xF6, 0x82)
 #define LTTNG_KERNEL_DISABLE                   _IO(0xF6, 0x83)
 
+/* LTTng-specific ioctls for the lib ringbuffer */
+/* returns the timestamp begin of the current sub-buffer */
+#define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN  _IOR(0xF6, 0x20, uint64_t)
+/* returns the timestamp end of the current sub-buffer */
+#define LTTNG_RING_BUFFER_GET_TIMESTAMP_END    _IOR(0xF6, 0x21, uint64_t)
+/* returns the number of events discarded */
+#define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
+/* returns the packet payload size */
+#define LTTNG_RING_BUFFER_GET_CONTENT_SIZE     _IOR(0xF6, 0x23, uint64_t)
+/* returns the actual packet size */
+#define LTTNG_RING_BUFFER_GET_PACKET_SIZE      _IOR(0xF6, 0x24, uint64_t)
+/* returns the stream id */
+#define LTTNG_RING_BUFFER_GET_STREAM_ID                _IOR(0xF6, 0x25, uint64_t)
+/* returns the current timestamp */
+#define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP        _IOR(0xF6, 0x26, uint64_t)
+
+#ifdef CONFIG_COMPAT
+/* returns the timestamp begin of the current sub-buffer */
+#define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \
+       LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN
+/* returns the timestamp end of the current sub-buffer */
+#define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \
+       LTTNG_RING_BUFFER_GET_TIMESTAMP_END
+/* returns the number of events discarded */
+#define LTTNG_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \
+       LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED
+/* returns the packet payload size */
+#define LTTNG_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \
+       LTTNG_RING_BUFFER_GET_CONTENT_SIZE
+/* returns the actual packet size */
+#define LTTNG_RING_BUFFER_COMPAT_GET_PACKET_SIZE \
+       LTTNG_RING_BUFFER_GET_PACKET_SIZE
+/* returns the stream id */
+#define LTTNG_RING_BUFFER_COMPAT_GET_STREAM_ID \
+       LTTNG_RING_BUFFER_GET_STREAM_ID
+/* returns the current timestamp */
+#define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
+       LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP
+#endif /* CONFIG_COMPAT */
+
 #endif /* _LTTNG_ABI_H */