#ifndef _LTTNG_UST_CTL_H
#define _LTTNG_UST_CTL_H
+#include <stddef.h>
#include <lttng/ust-abi.h>
#include <sys/types.h>
#include <limits.h>
+#ifndef LTTNG_PACKED
+#error "LTTNG_PACKED should be defined"
+#endif
+
#ifndef LTTNG_UST_UUID_LEN
#define LTTNG_UST_UUID_LEN 16
#endif
enum lttng_ust_output output; /* splice, mmap */
uint32_t chan_id; /* channel ID */
unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
+ int64_t blocking_timeout; /* Blocking timeout (usec) */
} LTTNG_PACKED;
/*
/* snapshot */
int ustctl_snapshot(struct ustctl_consumer_stream *stream);
+int ustctl_snapshot_sample_positions(struct ustctl_consumer_stream *stream);
int ustctl_snapshot_get_consumed(struct ustctl_consumer_stream *stream,
unsigned long *pos);
int ustctl_snapshot_get_produced(struct ustctl_consumer_stream *stream,
void ustctl_flush_buffer(struct ustctl_consumer_stream *stream,
int producer_active);
+void ustctl_clear_buffer(struct ustctl_consumer_stream *stream);
/* index */
+
+/*
+ * Getters which need to be used on the current packet (between get/put
+ * or get_next/put_next.
+ */
+
int ustctl_get_timestamp_begin(struct ustctl_consumer_stream *stream,
uint64_t *timestamp_begin);
int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream,
uint64_t *content_size);
int ustctl_get_packet_size(struct ustctl_consumer_stream *stream,
uint64_t *packet_size);
+int ustctl_get_sequence_number(struct ustctl_consumer_stream *stream,
+ uint64_t *seq);
+
+/*
+ * Getter returning state invariant for the stream, which can be used
+ * without "get" operation.
+ */
+
int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
uint64_t *stream_id);
+int ustctl_get_instance_id(struct ustctl_consumer_stream *stream,
+ uint64_t *id);
+
+/*
+ * Getter returning the current timestamp as perceived from the
+ * tracer.
+ */
int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
uint64_t *ts);
-int ustctl_get_sequence_number(struct ustctl_consumer_stream *stream,
- uint64_t *seq);
/* returns whether UST has perf counters support. */
int ustctl_has_perf_counters(void);
+/* Regenerate the statedump. */
+int ustctl_regenerate_statedump(int sock, int handle);
+
/* event registry management */
enum ustctl_socket_type {
uint32_t signedness;
uint32_t reverse_byte_order;
uint32_t base; /* 2, 8, 10, 16, for pretty print */
- enum ustctl_string_encodings encoding;
+ int32_t encoding; /* enum ustctl_string_encodings */
uint16_t alignment; /* in bits */
char padding[USTCTL_UST_INTEGER_TYPE_PADDING];
} LTTNG_PACKED;
char padding[USTCTL_UST_FLOAT_TYPE_PADDING];
} LTTNG_PACKED;
+#define USTCTL_UST_ENUM_VALUE_PADDING 15
+struct ustctl_enum_value {
+ uint64_t value;
+ uint8_t signedness;
+ char padding[USTCTL_UST_ENUM_VALUE_PADDING];
+} LTTNG_PACKED;
+
+enum ustctl_ust_enum_entry_options {
+ USTCTL_UST_ENUM_ENTRY_OPTION_IS_AUTO = 1U << 0,
+};
+
#define USTCTL_UST_ENUM_ENTRY_PADDING 32
struct ustctl_enum_entry {
- uint64_t start, end; /* start and end are inclusive */
+ struct ustctl_enum_value start, end; /* start and end are inclusive */
char string[LTTNG_UST_SYM_NAME_LEN];
- char padding[USTCTL_UST_ENUM_ENTRY_PADDING];
-};
+ union {
+ struct {
+ uint32_t options;
+ } LTTNG_PACKED extra;
+ char padding[USTCTL_UST_ENUM_ENTRY_PADDING];
+ } u;
+} LTTNG_PACKED;
#define USTCTL_UST_BASIC_TYPE_PADDING 296
union _ustctl_basic_type {
uint64_t id; /* enum ID in sessiond. */
} enumeration;
struct {
- enum ustctl_string_encodings encoding;
+ int32_t encoding; /* enum ustctl_string_encodings */
} string;
struct ustctl_float_type _float;
char padding[USTCTL_UST_BASIC_TYPE_PADDING];