#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
/* Maximum number of FDs that can be sent over a Unix socket */
-#define LTTCOMM_MAX_SEND_FDS 4
+#if defined(__linux__)
+/* Based on the kernel's SCM_MAX_FD which is 253 since 2.6.38 (255 before) */
+#define LTTCOMM_MAX_SEND_FDS 253
+#else
+#define LTTCOMM_MAX_SEND_FDS 16
+#endif
/*
* Get the error code index from 0 since LTTCOMM_OK start at 1000
enum lttcomm_sessiond_command {
/* Tracer command */
- LTTNG_ADD_CONTEXT = 0,
+ LTTNG_ADD_CONTEXT = 0,
/* LTTNG_CALIBRATE used to be here */
- LTTNG_DISABLE_CHANNEL = 2,
- LTTNG_DISABLE_EVENT = 3,
- LTTNG_LIST_SYSCALLS = 4,
- LTTNG_ENABLE_CHANNEL = 5,
- LTTNG_ENABLE_EVENT = 6,
+ LTTNG_DISABLE_CHANNEL = 2,
+ LTTNG_DISABLE_EVENT = 3,
+ LTTNG_LIST_SYSCALLS = 4,
+ LTTNG_ENABLE_CHANNEL = 5,
+ LTTNG_ENABLE_EVENT = 6,
/* 7 */
/* Session daemon command */
/* 8 */
- LTTNG_DESTROY_SESSION = 9,
- LTTNG_LIST_CHANNELS = 10,
- LTTNG_LIST_DOMAINS = 11,
- LTTNG_LIST_EVENTS = 12,
- LTTNG_LIST_SESSIONS = 13,
- LTTNG_LIST_TRACEPOINTS = 14,
- LTTNG_REGISTER_CONSUMER = 15,
- LTTNG_START_TRACE = 16,
- LTTNG_STOP_TRACE = 17,
- LTTNG_LIST_TRACEPOINT_FIELDS = 18,
+ LTTNG_DESTROY_SESSION = 9,
+ LTTNG_LIST_CHANNELS = 10,
+ LTTNG_LIST_DOMAINS = 11,
+ LTTNG_LIST_EVENTS = 12,
+ LTTNG_LIST_SESSIONS = 13,
+ LTTNG_LIST_TRACEPOINTS = 14,
+ LTTNG_REGISTER_CONSUMER = 15,
+ LTTNG_START_TRACE = 16,
+ LTTNG_STOP_TRACE = 17,
+ LTTNG_LIST_TRACEPOINT_FIELDS = 18,
/* Consumer */
- LTTNG_DISABLE_CONSUMER = 19,
- LTTNG_ENABLE_CONSUMER = 20,
- LTTNG_SET_CONSUMER_URI = 21,
+ LTTNG_DISABLE_CONSUMER = 19,
+ LTTNG_ENABLE_CONSUMER = 20,
+ LTTNG_SET_CONSUMER_URI = 21,
/* 22 */
/* 23 */
- LTTNG_DATA_PENDING = 24,
- LTTNG_SNAPSHOT_ADD_OUTPUT = 25,
- LTTNG_SNAPSHOT_DEL_OUTPUT = 26,
- LTTNG_SNAPSHOT_LIST_OUTPUT = 27,
- LTTNG_SNAPSHOT_RECORD = 28,
+ LTTNG_DATA_PENDING = 24,
+ LTTNG_SNAPSHOT_ADD_OUTPUT = 25,
+ LTTNG_SNAPSHOT_DEL_OUTPUT = 26,
+ LTTNG_SNAPSHOT_LIST_OUTPUT = 27,
+ LTTNG_SNAPSHOT_RECORD = 28,
/* 29 */
/* 30 */
- LTTNG_SAVE_SESSION = 31,
- LTTNG_TRACK_ID = 32,
- LTTNG_UNTRACK_ID = 33,
- LTTNG_LIST_TRACKER_IDS = 34,
- LTTNG_SET_SESSION_SHM_PATH = 40,
- LTTNG_REGENERATE_METADATA = 41,
- LTTNG_REGENERATE_STATEDUMP = 42,
- LTTNG_REGISTER_TRIGGER = 43,
- LTTNG_UNREGISTER_TRIGGER = 44,
- LTTNG_ROTATE_SESSION = 45,
- LTTNG_ROTATION_GET_INFO = 46,
- LTTNG_ROTATION_SET_SCHEDULE = 47,
- LTTNG_SESSION_LIST_ROTATION_SCHEDULES = 48,
- LTTNG_CREATE_SESSION_EXT = 49,
- LTTNG_CLEAR_SESSION = 50,
+ LTTNG_SAVE_SESSION = 31,
+ LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE = 32,
+ LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE = 33,
+ LTTNG_PROCESS_ATTR_TRACKER_GET_POLICY = 34,
+ LTTNG_PROCESS_ATTR_TRACKER_SET_POLICY = 35,
+ LTTNG_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET = 36,
+ LTTNG_SET_SESSION_SHM_PATH = 40,
+ LTTNG_REGENERATE_METADATA = 41,
+ LTTNG_REGENERATE_STATEDUMP = 42,
+ LTTNG_REGISTER_TRIGGER = 43,
+ LTTNG_UNREGISTER_TRIGGER = 44,
+ LTTNG_ROTATE_SESSION = 45,
+ LTTNG_ROTATION_GET_INFO = 46,
+ LTTNG_ROTATION_SET_SCHEDULE = 47,
+ LTTNG_SESSION_LIST_ROTATION_SCHEDULES = 48,
+ LTTNG_CREATE_SESSION_EXT = 49,
+ LTTNG_CLEAR_SESSION = 50,
+ LTTNG_LIST_TRIGGERS = 51,
};
enum lttcomm_relayd_command {
LTTCOMM_CONSUMERD_TRACE_CHUNK_EXISTS_REMOTE,/* Trace chunk exists on relay daemon. */
LTTCOMM_CONSUMERD_UNKNOWN_TRACE_CHUNK, /* Unknown trace chunk. */
LTTCOMM_CONSUMERD_RELAYD_CLEAR_DISALLOWED, /* Relayd does not accept clear command. */
+ LTTCOMM_CONSUMERD_UNKNOWN_ERROR, /* Unknown error. */
/* MUST be last element */
LTTCOMM_NR, /* Last element */
size_t len, int flags);
};
+struct process_attr_integral_value_comm {
+ union {
+ int64_t _signed;
+ uint64_t _unsigned;
+ } u;
+} LTTNG_PACKED;
+
/*
* Data structure received from lttng client to session daemon.
*/
char shm_path[PATH_MAX];
} LTTNG_PACKED set_shm_path;
struct {
- uint32_t tracker_type; /* enum lttng_tracker_type */
- uint32_t id_type; /* enum lttng_tracker_id_type */
- union {
- int32_t value;
- uint32_t var_len;
- } u;
+ /* enum lttng_process_attr */
+ int32_t process_attr;
+ /* enum lttng_process_attr_value_type */
+ int32_t value_type;
+
+ struct process_attr_integral_value_comm integral_value;
/*
- * for LTTNG_ID_STRING, followed by a variable length
- * zero-terminated string of length "var_len", which
- * includes the final \0.
+ * For user/group names, a variable length,
+ * zero-terminated, string of length 'name_len'
+ * (including the terminator) follows.
+ *
+ * integral_value should not be used in those cases.
*/
- } LTTNG_PACKED id_tracker;
+ uint32_t name_len;
+ } LTTNG_PACKED process_attr_tracker_add_remove_include_value;
+ struct {
+ /* enum lttng_process_attr */
+ int32_t process_attr;
+ } LTTNG_PACKED process_attr_tracker_get_inclusion_set;
struct {
- uint32_t tracker_type; /* enum lttng_tracker_type */
- } LTTNG_PACKED id_tracker_list;
+ /* enum lttng_process_attr */
+ int32_t process_attr;
+ } LTTNG_PACKED process_attr_tracker_get_tracking_policy;
+ struct {
+ /* enum lttng_process_attr */
+ int32_t process_attr;
+ /* enum lttng_tracking_policy */
+ int32_t tracking_policy;
+ } LTTNG_PACKED process_attr_tracker_set_tracking_policy;
struct {
uint32_t length;
} LTTNG_PACKED trigger;
/* An lttng_session_descriptor follows. */
} LTTNG_PACKED create_session;
} u;
+ /* Count of fds sent. */
+ uint32_t fd_count;
} LTTNG_PACKED;
#define LTTNG_FILTER_MAX_LEN 65536
* starts at reloc_table_offset.
*/
#define LTTNG_FILTER_PADDING 32
-struct lttng_filter_bytecode {
+struct lttng_bytecode {
uint32_t len; /* len of data */
uint32_t reloc_table_offset;
uint64_t seqnum;
uint32_t nb_tracker_id;
} LTTNG_PACKED;
-struct lttcomm_tracker_id_header {
- uint32_t type; /* enum lttng_tracker_id_type */
- union {
- int32_t value;
- uint32_t var_data_len;
- } u;
-} LTTNG_PACKED;
-
/*
* Data structure for the response from sessiond to the lttng client.
*/
uint32_t pid; /* pid_t */
uint32_t cmd_header_size;
uint32_t data_size;
+ uint32_t fd_count;
} LTTNG_PACKED;
struct lttcomm_lttng_output_id {
uint32_t monitor;
/* timer to check the streams usage in live mode (usec). */
unsigned int live_timer_interval;
+ /* is part of a live session */
+ uint8_t is_live;
/* timer to sample a channel's positions (usec). */
unsigned int monitor_timer_interval;
} LTTNG_PACKED channel; /* Only used by Kernel. */
uint32_t switch_timer_interval; /* usec */
uint32_t read_timer_interval; /* usec */
unsigned int live_timer_interval; /* usec */
+ uint8_t is_live; /* is part of a live session */
uint32_t monitor_timer_interval; /* usec */
int32_t output; /* splice, mmap */
int32_t type; /* metadata or per_cpu */
struct {
uint64_t key;
} LTTNG_PACKED clear_channel;
+ struct {
+ uint64_t key;
+ } LTTNG_PACKED open_channel_packets;
} u;
} LTTNG_PACKED;
projects / lttng-tools.git / blobdiff