#include <lttng/lttng.h>
#include <lttng/snapshot-internal.h>
#include <lttng/save-internal.h>
+#include <lttng/channel-internal.h>
+#include <lttng/trigger/trigger-internal.h>
#include <common/compat/socket.h>
#include <common/uri.h>
#include <common/defaults.h>
#include "inet.h"
#include "inet6.h"
-#include "unix.h"
+#include <common/unix.h>
/* Queue size of listen(2) */
#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
enum lttcomm_sessiond_command {
/* Tracer command */
LTTNG_ADD_CONTEXT = 0,
- LTTNG_CALIBRATE = 1,
+ /* LTTNG_CALIBRATE used to be here */
LTTNG_DISABLE_CHANNEL = 2,
LTTNG_DISABLE_EVENT = 3,
LTTNG_LIST_SYSCALLS = 4,
LTTNG_UNTRACK_PID = 33,
LTTNG_LIST_TRACKER_PIDS = 34,
LTTNG_SET_SESSION_SHM_PATH = 40,
+ LTTNG_REGENERATE_METADATA = 41,
+ LTTNG_REGENERATE_STATEDUMP = 42,
+ LTTNG_REGISTER_TRIGGER = 43,
+ LTTNG_UNREGISTER_TRIGGER = 44,
};
enum lttcomm_relayd_command {
RELAYD_LIST_SESSIONS = 15,
/* All streams of the channel have been sent to the relayd (2.4+). */
RELAYD_STREAMS_SENT = 16,
+ /* Ask the relay to reset the metadata trace file (2.8+) */
+ RELAYD_RESET_METADATA = 17,
+ /* Ask the relay to rotate a stream file (2.11+) */
+ RELAYD_ROTATE_STREAM = 18,
+ /* Rename a chunk after the rotation is completed (2.11+) */
+ RELAYD_ROTATE_RENAME = 19,
+ /* Check if a chunk has data pending (2.11+) */
+ RELAYD_ROTATE_PENDING = 20,
+ /* Create a folder on the relayd FS (2.11+) */
+ RELAYD_MKDIR = 21,
};
/*
LTTCOMM_CONSUMERD_RELAYD_FAIL, /* Error on remote relayd */
LTTCOMM_CONSUMERD_CHANNEL_FAIL, /* Channel creation failed. */
LTTCOMM_CONSUMERD_CHAN_NOT_FOUND, /* Channel not found. */
+ LTTCOMM_CONSUMERD_ALREADY_SET, /* Resource already set. */
/* MUST be last element */
LTTCOMM_NR, /* Last element */
/* Create channel */
struct {
struct lttng_channel chan LTTNG_PACKED;
+ /* struct lttng_channel_extended is already packed. */
+ struct lttng_channel_extended extended;
} LTTNG_PACKED channel;
/* Context */
struct {
struct {
uint32_t pid;
} LTTNG_PACKED pid_tracker;
+ struct {
+ uint32_t length;
+ } LTTNG_PACKED trigger;
} u;
} LTTNG_PACKED;
uint32_t nb_exclusions;
} LTTNG_PACKED;
-/*
- * Channel extended info.
- */
-struct lttcomm_channel_extended {
- uint64_t discarded_events;
- uint64_t lost_packets;
-} LTTNG_PACKED;
-
/*
* Data structure for the response from sessiond to the lttng client.
*/
uint32_t monitor;
/* timer to check the streams usage in live mode (usec). */
unsigned int live_timer_interval;
+ /* timer to sample a channel's positions (usec). */
+ unsigned int monitor_timer_interval;
} LTTNG_PACKED channel; /* Only used by Kernel. */
struct {
uint64_t stream_key;
int32_t overwrite; /* 1: overwrite, 0: discard */
uint32_t switch_timer_interval; /* usec */
uint32_t read_timer_interval; /* usec */
- unsigned int live_timer_interval; /* usec */
+ unsigned int live_timer_interval; /* usec */
+ uint32_t monitor_timer_interval; /* usec */
int32_t output; /* splice, mmap */
int32_t type; /* metadata or per_cpu */
uint64_t session_id; /* Tracing session id */
* because the application can be in the tracing for instance.
*/
uint32_t ust_app_uid;
+ int64_t blocking_timeout;
char root_shm_path[PATH_MAX];
char shm_path[PATH_MAX];
} LTTNG_PACKED ask_channel;
uint64_t key; /* Metadata channel key. */
uint64_t target_offset; /* Offset in the consumer */
uint64_t len; /* Length of metadata to be received. */
+ uint64_t version; /* Version of the metadata. */
} LTTNG_PACKED push_metadata;
struct {
uint64_t key; /* Metadata channel key. */
struct {
uint64_t key; /* Channel key. */
} LTTNG_PACKED flush_channel;
+ struct {
+ uint64_t key; /* Channel key. */
+ } LTTNG_PACKED clear_quiescent_channel;
struct {
char pathname[PATH_MAX];
/* Indicate if the snapshot goes on the relayd or locally. */
uint64_t channel_key;
uint64_t net_seq_idx;
} LTTNG_PACKED sent_streams;
+ struct {
+ uint64_t session_id;
+ uint64_t channel_key;
+ } LTTNG_PACKED discarded_events;
+ struct {
+ uint64_t session_id;
+ uint64_t channel_key;
+ } LTTNG_PACKED lost_packets;
+ struct {
+ uint64_t session_id;
+ } LTTNG_PACKED regenerate_metadata;
+ struct {
+ char old_path[LTTNG_PATH_MAX];
+ char new_path[LTTNG_PATH_MAX];
+ uint64_t relayd_id; /* Relayd id if apply. */
+ uint64_t session_id;
+ uint32_t uid;
+ uint32_t gid;
+ } LTTNG_PACKED rotate_rename;
+ struct {
+ char path[LTTNG_PATH_MAX];
+ uint64_t relayd_id; /* Relayd id if apply. */
+ uint64_t session_id;
+ uint32_t uid;
+ uint32_t gid;
+ } LTTNG_PACKED mkdir;
} u;
} LTTNG_PACKED;
+/*
+ * Channel monitoring message returned to the session daemon on every
+ * monitor timer expiration.
+ */
+struct lttcomm_consumer_channel_monitor_msg {
+ /* Key of the sampled channel. */
+ uint64_t key;
+ /*
+ * Lowest and highest usage (bytes) at the moment the sample was taken.
+ */
+ uint64_t lowest, highest;
+} LTTNG_PACKED;
+
/*
* Status message returned to the sessiond after a received command.
*/