#include <linux/fs.h>
-enum instrum_type {
- INSTRUM_TRACEPOINTS,
+#define LTTNG_KPROBE_SYM_NAME_LEN 128
+
+enum lttng_kernel_instrumentation {
+ LTTNG_KERNEL_TRACEPOINTS,
+ LTTNG_KERNEL_KPROBES,
};
/*
* LTTng DebugFS ABI structures.
*/
-struct lttng_channel {
+struct lttng_kernel_channel {
int overwrite; /* 1: overwrite, 0: discard */
- u64 subbuf_size;
- u64 num_subbuf;
+ uint64_t subbuf_size;
+ uint64_t num_subbuf;
unsigned int switch_timer_interval;
unsigned int read_timer_interval;
};
-struct lttng_event {
- enum instrum_type itype;
+/*
+ * Either addr is used, or symbol_name and offset.
+ */
+struct lttng_kernel_kprobe {
+ uint64_t addr;
+
+ uint64_t offset;
+ char symbol_name[LTTNG_KPROBE_SYM_NAME_LEN];
+};
+
+struct lttng_kernel_event {
+ enum lttng_kernel_instrumentation instrumentation;
+ /* Per instrumentation type configuration */
+ union {
+ struct lttng_kernel_kprobe kprobe;
+ } u;
char name[];
};
-#define LTTNG_SESSION _IO(0xF6, 0x40)
-#define LTTNG_SESSION_START _IO(0xF6, 0x41)
-#define LTTNG_SESSION_STOP _IO(0xF6, 0x42)
-#define LTTNG_CHANNEL _IOW(0xF6, 0x43, struct lttng_channel)
-#define LTTNG_STREAM _IO(0xF6, 0x44)
-#define LTTNG_EVENT _IOW(0xF6, 0x45, struct lttng_event)
+struct lttng_kernel_tracer_version {
+ uint32_t version;
+ uint32_t patchlevel;
+ uint32_t sublevel;
+};
+
+#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x40)
+#define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x41)
+#define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x42)
+#define LTTNG_KERNEL_CHANNEL \
+ _IOW(0xF6, 0x43, struct lttng_kernel_channel)
+#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x44)
+#define LTTNG_KERNEL_EVENT \
+ _IOW(0xF6, 0x45, struct lttng_kernel_event)
+#define LTTNG_KERNEL_METADATA \
+ _IOW(0xF6, 0x46, struct lttng_kernel_channel)
+#define LTTNG_KERNEL_KPROBE \
+ _IOW(0xF6, 0x47, struct lttng_kernel_kprobe)
+#define LTTNG_KERNEL_TRACER_VERSION \
+ _IOR(0xF6, 0x48, struct lttng_kernel_tracer_version)
#endif /* _LTT_DEBUGFS_ABI_H */