#define LTTNG_SYM_NAME_LEN 128
enum lttng_kernel_instrumentation {
- LTTNG_KERNEL_TRACEPOINTS,
- LTTNG_KERNEL_KPROBES,
- LTTNG_KERNEL_FUNCTION_TRACER,
+ LTTNG_KERNEL_TRACEPOINT = 0,
+ LTTNG_KERNEL_KPROBE = 1,
+ LTTNG_KERNEL_FUNCTION = 2,
};
/*
- * LTTng DebugFS ABI structures.
+ * LTTng consumer mode
*/
-
-struct lttng_kernel_channel {
- int overwrite; /* 1: overwrite, 0: discard */
- uint64_t subbuf_size; /* in bytes */
- uint64_t num_subbuf;
- unsigned int switch_timer_interval; /* usecs */
- unsigned int read_timer_interval; /* usecs */
-};
-
-struct lttng_kernel_tracepoint {
+enum lttng_kernel_output {
+ LTTNG_KERNEL_SPLICE = 0,
+ LTTNG_KERNEL_MMAP = 1,
};
/*
- * Either addr is used, or symbol_name and offset.
+ * LTTng DebugFS ABI structures.
+ *
+ * This is the kernel ABI copied from lttng-modules tree.
*/
-struct lttng_kernel_kprobe {
- uint64_t addr;
-
- uint64_t offset;
- char symbol_name[LTTNG_SYM_NAME_LEN];
-};
-struct lttng_kernel_function_tracer {
+/* Function tracer */
+struct lttng_kernel_function_attr {
char symbol_name[LTTNG_SYM_NAME_LEN];
};
struct lttng_kernel_event {
- char name[LTTNG_SYM_NAME_LEN]; /* event name */
+ char name[LTTNG_SYM_NAME_LEN];
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;
+ struct lttng_kernel_kprobe_attr kprobe;
+ struct lttng_kernel_function_attr ftrace;
} u;
};