X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libust%2Fltt-ring-buffer-metadata-client.h;h=77093488d73063d58d512e1f7851abc55dd6ce9f;hb=4cfec15c93af7e0cfe3ce769ee90486bb8ab7c37;hp=302e020ef579604380e3f004d22d40f76227b610;hpb=8a98a75d15312b109a29c3dad982d534e2c116c9;p=lttng-ust.git diff --git a/libust/ltt-ring-buffer-metadata-client.h b/libust/ltt-ring-buffer-metadata-client.h index 302e020e..77093488 100644 --- a/libust/ltt-ring-buffer-metadata-client.h +++ b/libust/ltt-ring-buffer-metadata-client.h @@ -32,7 +32,7 @@ struct metadata_record_header { uint8_t header_end[0]; /* End of header */ }; -static const struct lib_ring_buffer_config client_config; +static const struct lttng_ust_lib_ring_buffer_config client_config; static inline u64 lib_ring_buffer_clock_read(struct channel *chan) @@ -41,10 +41,10 @@ u64 lib_ring_buffer_clock_read(struct channel *chan) } static inline -unsigned char record_header_size(const struct lib_ring_buffer_config *config, +unsigned char record_header_size(const struct lttng_ust_lib_ring_buffer_config *config, struct channel *chan, size_t offset, size_t *pre_header_padding, - struct lib_ring_buffer_ctx *ctx) + struct lttng_ust_lib_ring_buffer_ctx *ctx) { return 0; } @@ -57,10 +57,10 @@ static u64 client_ring_buffer_clock_read(struct channel *chan) } static -size_t client_record_header_size(const struct lib_ring_buffer_config *config, +size_t client_record_header_size(const struct lttng_ust_lib_ring_buffer_config *config, struct channel *chan, size_t offset, size_t *pre_header_padding, - struct lib_ring_buffer_ctx *ctx) + struct lttng_ust_lib_ring_buffer_ctx *ctx) { return 0; } @@ -77,9 +77,9 @@ static size_t client_packet_header_size(void) return offsetof(struct metadata_packet_header, header_end); } -static void client_buffer_begin(struct lib_ring_buffer *buf, u64 tsc, +static void client_buffer_begin(struct lttng_ust_lib_ring_buffer *buf, u64 tsc, unsigned int subbuf_idx, - struct shm_handle *handle) + struct lttng_ust_shm_handle *handle) { struct channel *chan = shmp(handle, buf->backend.chan); struct metadata_packet_header *header = @@ -107,9 +107,9 @@ static void client_buffer_begin(struct lib_ring_buffer *buf, u64 tsc, * offset is assumed to never be 0 here : never deliver a completely empty * subbuffer. data_size is between 1 and subbuf_size. */ -static void client_buffer_end(struct lib_ring_buffer *buf, u64 tsc, +static void client_buffer_end(struct lttng_ust_lib_ring_buffer *buf, u64 tsc, unsigned int subbuf_idx, unsigned long data_size, - struct shm_handle *handle) + struct lttng_ust_shm_handle *handle) { struct channel *chan = shmp(handle, buf->backend.chan); struct metadata_packet_header *header = @@ -127,20 +127,20 @@ static void client_buffer_end(struct lib_ring_buffer *buf, u64 tsc, WARN_ON_ONCE(records_lost != 0); } -static int client_buffer_create(struct lib_ring_buffer *buf, void *priv, +static int client_buffer_create(struct lttng_ust_lib_ring_buffer *buf, void *priv, int cpu, const char *name, - struct shm_handle *handle) + struct lttng_ust_shm_handle *handle) { return 0; } -static void client_buffer_finalize(struct lib_ring_buffer *buf, +static void client_buffer_finalize(struct lttng_ust_lib_ring_buffer *buf, void *priv, int cpu, - struct shm_handle *handle) + struct lttng_ust_shm_handle *handle) { } -static const struct lib_ring_buffer_config client_config = { +static const struct lttng_ust_lib_ring_buffer_config client_config = { .cb.ring_buffer_clock_read = client_ring_buffer_clock_read, .cb.record_header_size = client_record_header_size, .cb.subbuffer_header_size = client_packet_header_size, @@ -186,12 +186,12 @@ void ltt_channel_destroy(struct ltt_channel *ltt_chan) } static -struct lib_ring_buffer *ltt_buffer_read_open(struct channel *chan, - struct shm_handle *handle, +struct lttng_ust_lib_ring_buffer *ltt_buffer_read_open(struct channel *chan, + struct lttng_ust_shm_handle *handle, int *shm_fd, int *wait_fd, uint64_t *memory_map_size) { - struct lib_ring_buffer *buf; + struct lttng_ust_lib_ring_buffer *buf; buf = channel_get_ring_buffer(&client_config, chan, 0, handle, shm_fd, wait_fd, memory_map_size); @@ -201,37 +201,37 @@ struct lib_ring_buffer *ltt_buffer_read_open(struct channel *chan, } static -void ltt_buffer_read_close(struct lib_ring_buffer *buf, - struct shm_handle *handle) +void ltt_buffer_read_close(struct lttng_ust_lib_ring_buffer *buf, + struct lttng_ust_shm_handle *handle) { lib_ring_buffer_release_read(buf, handle, 0); } static -int ltt_event_reserve(struct lib_ring_buffer_ctx *ctx, uint32_t event_id) +int ltt_event_reserve(struct lttng_ust_lib_ring_buffer_ctx *ctx, uint32_t event_id) { return lib_ring_buffer_reserve(&client_config, ctx); } static -void ltt_event_commit(struct lib_ring_buffer_ctx *ctx) +void ltt_event_commit(struct lttng_ust_lib_ring_buffer_ctx *ctx) { lib_ring_buffer_commit(&client_config, ctx); } static -void ltt_event_write(struct lib_ring_buffer_ctx *ctx, const void *src, +void ltt_event_write(struct lttng_ust_lib_ring_buffer_ctx *ctx, const void *src, size_t len) { lib_ring_buffer_write(&client_config, ctx, src, len); } static -size_t ltt_packet_avail_size(struct channel *chan, struct shm_handle *handle) +size_t ltt_packet_avail_size(struct channel *chan, struct lttng_ust_shm_handle *handle) { unsigned long o_begin; - struct lib_ring_buffer *buf; + struct lttng_ust_lib_ring_buffer *buf; buf = shmp(handle, chan->backend.buf[0].shmp); /* Only for global buffer ! */ o_begin = v_read(&client_config, &buf->offset); @@ -269,6 +269,21 @@ int ltt_is_disabled(struct channel *chan) return lib_ring_buffer_channel_is_disabled(chan); } +static +int ltt_flush_buffer(struct channel *chan, struct lttng_ust_shm_handle *handle) +{ + struct lttng_ust_lib_ring_buffer *buf; + int shm_fd, wait_fd; + uint64_t memory_map_size; + + buf = channel_get_ring_buffer(&client_config, chan, + 0, handle, &shm_fd, &wait_fd, + &memory_map_size); + lib_ring_buffer_switch(&client_config, buf, + SWITCH_ACTIVE, handle); + return 0; +} + static struct ltt_transport ltt_relay_transport = { .name = "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap", .ops = { @@ -284,6 +299,7 @@ static struct ltt_transport ltt_relay_transport = { //.get_hp_wait_queue = ltt_get_hp_wait_queue, .is_finalized = ltt_is_finalized, .is_disabled = ltt_is_disabled, + .flush_buffer = ltt_flush_buffer, }, };