SoW-2020-0003: Trace Hit Counters

[lttng-tools.git] / src / common / kernel-ctl / kernel-ioctl.h

diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h
index 59d71191f30142a8c207469764344afc526e72d5..e45359763858dbbfd780abdbe8af33422917b673 100644 (file)
--- a/src/common/kernel-ctl/kernel-ioctl.h
+++ b/src/common/kernel-ctl/kernel-ioctl.h
@@ -53,9 +53,10 @@
  * Reset the position of what has been consumed from the metadata cache to 0
  * so it can be read again.
  */
-#define RING_BUFFER_METADATA_CACHE_DUMP        _IO(0xF6, 0x10)
+#define RING_BUFFER_METADATA_CACHE_DUMP                _IO(0xF6, 0x10)
 /* Clear ring buffer content */
-#define RING_BUFFER_CLEAR                       _IO(0xF6, 0x11)
+#define RING_BUFFER_CLEAR                               _IO(0xF6, 0x11)
+#define RING_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK _IOR(0xF6, 0x12, uint32_t)
 
 /* returns the timestamp begin of the current sub-buffer */
 #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN     _IOR(0xF6, 0x20, uint64_t)
@@ -116,6 +117,8 @@
 #define LTTNG_KERNEL_SYSCALL_LIST              _IO(0xF6, 0x4A)
 #define LTTNG_KERNEL_TRACER_ABI_VERSION                \
        _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version)
+#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_CREATE \
+       _IO(0xF6, 0x4C)
 
 /* Session FD ioctl */
 #define LTTNG_KERNEL_METADATA                  \
@@ -153,11 +156,15 @@
 #define LTTNG_KERNEL_CONTEXT                   \
        _IOW(0xF6, 0x71, struct lttng_kernel_context)
 
-/* Event, Channel and Session ioctl */
+/* Event, event notifier, Channel and Session ioctl */
 #define LTTNG_KERNEL_ENABLE                    _IO(0xF6, 0x82)
 #define LTTNG_KERNEL_DISABLE                   _IO(0xF6, 0x83)
 
-/* Event FD ioctl */
+/* Event notifier group ioctl */
+#define LTTNG_KERNEL_COUNTER                   \
+       _IOW(0xF6, 0x84, struct lttng_kernel_counter_conf)
+
+/* Event and event notifier FD ioctl */
 #define LTTNG_KERNEL_FILTER                    _IO(0xF6, 0x90)
 #define LTTNG_KERNEL_ADD_CALLSITE      _IO(0xF6, 0x91)
 
@@ -169,4 +176,29 @@
 #define LTTNG_KERNEL_SESSION_UNTRACK_ID                \
        _IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args)
 
+/* Event notifier group file descriptor ioctl */
+#define LTTNG_KERNEL_EVENT_NOTIFIER_CREATE                     \
+       _IOW(0xF6, 0xB0, struct lttng_kernel_event_notifier)
+#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD      \
+       _IO(0xF6, 0xB1)
+
+/* Event notifier file descriptor ioctl */
+#define LTTNG_KERNEL_CAPTURE                   _IO(0xF6, 0xB8)
+
+/* Counter file descriptor ioctl */
+#define LTTNG_KERNEL_COUNTER_READ              \
+       _IOWR(0xF6, 0xC0, struct lttng_kernel_counter_read)
+#define LTTNG_KERNEL_COUNTER_AGGREGATE         \
+       _IOWR(0xF6, 0xC1, struct lttng_kernel_counter_aggregate)
+#define LTTNG_KERNEL_COUNTER_CLEAR             \
+       _IOW(0xF6, 0xC2, struct lttng_kernel_counter_clear)
+#define LTTNG_KERNEL_COUNTER_MAP_NR_DESCRIPTORS        \
+       _IOR(0xF6, 0xC3, uint64_t)
+#define LTTNG_KERNEL_COUNTER_MAP_DESCRIPTOR    \
+       _IOWR(0xF6, 0xC4, struct lttng_kernel_counter_map_descriptor)
+#define LTTNG_KERNEL_COUNTER_EVENT             \
+       _IOW(0xF6, 0xC5, struct lttng_kernel_counter_event)
+
+/* LTTNG_KERNEL_EVENT also applies to counter fds. */
+
 #endif /* _LTT_KERNEL_IOCTL_H */