SoW-2020-0002: 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 8fa0a7d100c480ad8416ce06395d1fee2146fe73..e45359763858dbbfd780abdbe8af33422917b673 100644 (file)
--- a/src/common/kernel-ctl/kernel-ioctl.h
+++ b/src/common/kernel-ctl/kernel-ioctl.h
@@ -160,6 +160,10 @@
 #define LTTNG_KERNEL_ENABLE                    _IO(0xF6, 0x82)
 #define LTTNG_KERNEL_DISABLE                   _IO(0xF6, 0x83)
 
+/* 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)
@@ -178,4 +182,23 @@
 #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 */