#define _LTTNG_KERNEL_H
#include <stdint.h>
+#include <common/macros.h>
+#include <lttng/constant.h>
+#include <lttng/event.h>
#define LTTNG_KERNEL_SYM_NAME_LEN 256
+#define LTTNG_KERNEL_MAX_UPROBE_NUM 32
+#define LTTNG_KERNEL_SESSION_NAME_LEN 256
+#define LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN 26
/*
* LTTng DebugFS ABI structures.
LTTNG_KERNEL_KRETPROBE = 3,
LTTNG_KERNEL_NOOP = 4, /* not hooked */
LTTNG_KERNEL_SYSCALL = 5,
+ LTTNG_KERNEL_UPROBE = 6,
};
enum lttng_kernel_context_type {
LTTNG_KERNEL_CONTEXT_PID = 0,
- LTTNG_KERNEL_CONTEXT_PERF_COUNTER = 1,
+ LTTNG_KERNEL_CONTEXT_PERF_CPU_COUNTER = 1,
LTTNG_KERNEL_CONTEXT_PROCNAME = 2,
LTTNG_KERNEL_CONTEXT_PRIO = 3,
LTTNG_KERNEL_CONTEXT_NICE = 4,
LTTNG_KERNEL_CONTEXT_PPID = 8,
LTTNG_KERNEL_CONTEXT_VPPID = 9,
LTTNG_KERNEL_CONTEXT_HOSTNAME = 10,
+ LTTNG_KERNEL_CONTEXT_CPU_ID = 11,
+ LTTNG_KERNEL_CONTEXT_INTERRUPTIBLE = 12,
+ LTTNG_KERNEL_CONTEXT_PREEMPTIBLE = 13,
+ LTTNG_KERNEL_CONTEXT_NEED_RESCHEDULE = 14,
+ LTTNG_KERNEL_CONTEXT_MIGRATABLE = 15,
+ LTTNG_KERNEL_CONTEXT_CALLSTACK_KERNEL = 16,
+ LTTNG_KERNEL_CONTEXT_CALLSTACK_USER = 17,
};
/* Perf counter attributes */
uint32_t type;
uint64_t config;
char name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
/* Event/Channel context */
#define LTTNG_KERNEL_CONTEXT_PADDING1 16
struct lttng_kernel_perf_counter_ctx perf_counter;
char padding[LTTNG_KERNEL_CONTEXT_PADDING2];
} u;
-};
+} LTTNG_PACKED;
struct lttng_kernel_kretprobe {
uint64_t addr;
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
/*
* Either addr is used, or symbol_name and offset.
uint64_t offset;
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
+
+struct lttng_kernel_uprobe {
+ int fd;
+} LTTNG_PACKED;
+
+struct lttng_kernel_event_callsite_uprobe {
+ uint64_t offset;
+} LTTNG_PACKED;
+
+struct lttng_kernel_event_callsite {
+ union {
+ struct lttng_kernel_event_callsite_uprobe uprobe;
+ } u;
+} LTTNG_PACKED;
/* Function tracer */
struct lttng_kernel_function {
char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN];
-};
+} LTTNG_PACKED;
#define LTTNG_KERNEL_EVENT_PADDING1 16
#define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32
union {
struct lttng_kernel_kretprobe kretprobe;
struct lttng_kernel_kprobe kprobe;
+ struct lttng_kernel_uprobe uprobe;
struct lttng_kernel_function ftrace;
char padding[LTTNG_KERNEL_EVENT_PADDING2];
} u;
-};
+} LTTNG_PACKED;
struct lttng_kernel_tracer_version {
uint32_t major;
uint32_t minor;
uint32_t patchlevel;
-};
+} LTTNG_PACKED;
-enum lttng_kernel_calibrate_type {
- LTTNG_KERNEL_CALIBRATE_KRETPROBE,
-};
+struct lttng_kernel_tracer_abi_version {
+ uint32_t major;
+ uint32_t minor;
+} LTTNG_PACKED;
-struct lttng_kernel_calibrate {
- enum lttng_kernel_calibrate_type type; /* type (input) */
-};
+struct lttng_kernel_syscall_mask {
+ uint32_t len; /* in bits */
+ char mask[];
+} LTTNG_PACKED;
+
+/*
+ * kernel channel
+ */
+#define LTTNG_KERNEL_CHANNEL_PADDING1 LTTNG_SYMBOL_NAME_LEN + 32
+struct lttng_kernel_channel {
+ uint64_t subbuf_size; /* bytes */
+ uint64_t num_subbuf; /* power of 2 */
+ unsigned int switch_timer_interval; /* usec */
+ unsigned int read_timer_interval; /* usec */
+ enum lttng_event_output output; /* splice, mmap */
+
+ int overwrite; /* 1: overwrite, 0: discard */
+ char padding[LTTNG_KERNEL_CHANNEL_PADDING1];
+} LTTNG_PACKED;
+
+#define KERNEL_FILTER_BYTECODE_MAX_LEN 65536
+struct lttng_kernel_filter_bytecode {
+ uint32_t len;
+ uint32_t reloc_offset;
+ uint64_t seqnum;
+ char data[0];
+} LTTNG_PACKED;
+
+/*
+ * kernel session name
+ */
+struct lttng_kernel_session_name {
+ char name[LTTNG_KERNEL_SESSION_NAME_LEN];
+} LTTNG_PACKED;
+
+/*
+ * kernel session creation datetime
+ */
+struct lttng_kernel_session_creation_time {
+ char iso8601[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN];
+} LTTNG_PACKED;
#endif /* _LTTNG_KERNEL_H */