#include <linux/fs.h>
-#define LTTNG_KPROBE_SYM_NAME_LEN 128
+#define LTTNG_SYM_NAME_LEN 128
enum lttng_kernel_instrumentation {
- LTTNG_KERNEL_TRACEPOINTS,
- LTTNG_KERNEL_KPROBES,
- LTTNG_KERNEL_FUNCTION_TRACER,
+ LTTNG_KERNEL_TRACEPOINT,
+ LTTNG_KERNEL_KPROBE,
+ LTTNG_KERNEL_FUNCTION,
};
/*
*/
struct lttng_kernel_channel {
- int overwrite; /* 1: overwrite, 0: discard */
- uint64_t subbuf_size;
+ int overwrite; /* 1: overwrite, 0: discard */
+ uint64_t subbuf_size; /* in bytes */
uint64_t num_subbuf;
- unsigned int switch_timer_interval;
- unsigned int read_timer_interval;
+ unsigned int switch_timer_interval; /* usecs */
+ unsigned int read_timer_interval; /* usecs */
+};
+
+struct lttng_kernel_tracepoint {
};
/*
uint64_t addr;
uint64_t offset;
- char symbol_name[LTTNG_KPROBE_SYM_NAME_LEN];
+ char symbol_name[LTTNG_SYM_NAME_LEN];
};
struct lttng_kernel_function_tracer {
- char symbol_name[LTTNG_KPROBE_SYM_NAME_LEN];
+ char symbol_name[LTTNG_SYM_NAME_LEN];
};
struct lttng_kernel_event {
+ char name[LTTNG_SYM_NAME_LEN]; /* event name */
enum lttng_kernel_instrumentation instrumentation;
/* Per instrumentation type configuration */
union {
+ struct lttng_kernel_tracepoint tracepoint;
struct lttng_kernel_kprobe kprobe;
struct lttng_kernel_function_tracer ftrace;
} u;
- char name[]; /* event name */
};
struct lttng_kernel_tracer_version {
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 \
+#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 \
+#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x44)
+#define LTTNG_KERNEL_EVENT \
_IOW(0xF6, 0x45, struct lttng_kernel_event)
-#define LTTNG_KERNEL_METADATA \
+#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 \
+#define LTTNG_KERNEL_TRACER_VERSION \
_IOR(0xF6, 0x48, struct lttng_kernel_tracer_version)
#endif /* _LTT_DEBUGFS_ABI_H */