* Stream representation within consumer.
*/
struct ustctl_consumer_stream {
- struct lttng_ust_shm_handle *handle; /* shared-memory handle */
struct lttng_ust_lib_ring_buffer *buf;
struct ustctl_consumer_channel *chan;
int shm_fd, wait_fd, wakeup_fd;
{
struct shm_object_table *table;
- table = channel->chan->chan->handle->table;
+ table = channel->chan->priv->rb_chan->handle->table;
if (table->size <= 0)
return -EINVAL;
return ustctl_send_channel(sock,
{
struct lttng_ust_lib_ring_buffer_ctx ctx;
struct lttng_ust_channel_buffer *lttng_chan_buf = channel->chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan = lttng_chan_buf->priv->rb_chan;
const char *str = metadata_str;
int ret = 0, waitret;
size_t reserve_len, pos;
for (pos = 0; pos < len; pos += reserve_len) {
reserve_len = min_t(size_t,
- lttng_chan_buf->ops->priv->packet_avail_size(lttng_chan_buf->chan,
- lttng_chan_buf->chan->handle),
+ lttng_chan_buf->ops->priv->packet_avail_size(lttng_chan_buf),
len - pos);
- lib_ring_buffer_ctx_init(&ctx, lttng_chan_buf->chan, NULL, reserve_len, sizeof(char));
+ lib_ring_buffer_ctx_init(&ctx, rb_chan, NULL, reserve_len, sizeof(char));
/*
* We don't care about metadata buffer's records lost
* count, because we always retry here. Report error if
{
struct lttng_ust_lib_ring_buffer_ctx ctx;
struct lttng_ust_channel_buffer *lttng_chan_buf = channel->chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan = lttng_chan_buf->priv->rb_chan;
const char *str = metadata_str;
ssize_t reserve_len;
int ret;
reserve_len = min_t(ssize_t,
- lttng_chan_buf->ops->priv->packet_avail_size(lttng_chan_buf->chan,
- lttng_chan_buf->chan->handle),
+ lttng_chan_buf->ops->priv->packet_avail_size(lttng_chan_buf),
len);
- lib_ring_buffer_ctx_init(&ctx, lttng_chan_buf->chan, NULL, reserve_len, sizeof(char));
+ lib_ring_buffer_ctx_init(&ctx, rb_chan, NULL, reserve_len, sizeof(char));
ret = lttng_chan_buf->ops->event_reserve(&ctx, 0);
if (ret != 0) {
DBG("LTTng: event reservation failed");
struct lttng_ust_lib_ring_buffer_channel *chan;
int ret;
- chan = consumer_chan->chan->chan;
+ chan = consumer_chan->chan->priv->rb_chan;
ret = ring_buffer_channel_close_wait_fd(&chan->backend.config,
chan, chan->handle);
if (!ret)
struct lttng_ust_lib_ring_buffer_channel *chan;
int ret;
- chan = consumer_chan->chan->chan;
+ chan = consumer_chan->chan->priv->rb_chan;
ret = ring_buffer_channel_close_wakeup_fd(&chan->backend.config,
chan, chan->handle);
if (!ret)
{
struct lttng_ust_lib_ring_buffer_channel *chan;
- chan = stream->chan->chan->chan;
+ chan = stream->chan->chan->priv->rb_chan;
return ring_buffer_stream_close_wait_fd(&chan->backend.config,
- chan, stream->handle, stream->cpu);
+ chan, chan->handle, stream->cpu);
}
int ustctl_stream_close_wakeup_fd(struct ustctl_consumer_stream *stream)
{
struct lttng_ust_lib_ring_buffer_channel *chan;
- chan = stream->chan->chan->chan;
+ chan = stream->chan->chan->priv->rb_chan;
return ring_buffer_stream_close_wakeup_fd(&chan->backend.config,
- chan, stream->handle, stream->cpu);
+ chan, chan->handle, stream->cpu);
}
struct ustctl_consumer_stream *
{
struct ustctl_consumer_stream *stream;
struct lttng_ust_shm_handle *handle;
- struct lttng_ust_lib_ring_buffer_channel *chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan;
int shm_fd, wait_fd, wakeup_fd;
uint64_t memory_map_size;
struct lttng_ust_lib_ring_buffer *buf;
if (!channel)
return NULL;
- handle = channel->chan->chan->handle;
+ rb_chan = channel->chan->priv->rb_chan;
+ handle = rb_chan->handle;
if (!handle)
return NULL;
- chan = channel->chan->chan;
- buf = channel_get_ring_buffer(&chan->backend.config,
- chan, cpu, handle, &shm_fd, &wait_fd,
+ buf = channel_get_ring_buffer(&rb_chan->backend.config,
+ rb_chan, cpu, handle, &shm_fd, &wait_fd,
&wakeup_fd, &memory_map_size);
if (!buf)
return NULL;
stream = zmalloc(sizeof(*stream));
if (!stream)
goto alloc_error;
- stream->handle = handle;
stream->buf = buf;
stream->chan = channel;
stream->shm_fd = shm_fd;
consumer_chan = stream->chan;
(void) ustctl_stream_close_wait_fd(stream);
(void) ustctl_stream_close_wakeup_fd(stream);
- lib_ring_buffer_release_read(buf, consumer_chan->chan->chan->handle);
+ lib_ring_buffer_release_read(buf, consumer_chan->chan->priv->rb_chan->handle);
free(stream);
}
{
if (!chan)
return -EINVAL;
- return shm_get_wait_fd(chan->chan->chan->handle,
- &chan->chan->chan->handle->chan._ref);
+ return shm_get_wait_fd(chan->chan->priv->rb_chan->handle,
+ &chan->chan->priv->rb_chan->handle->chan._ref);
}
int ustctl_channel_get_wakeup_fd(struct ustctl_consumer_channel *chan)
{
if (!chan)
return -EINVAL;
- return shm_get_wakeup_fd(chan->chan->chan->handle,
- &chan->chan->chan->handle->chan._ref);
+ return shm_get_wakeup_fd(chan->chan->priv->rb_chan->handle,
+ &chan->chan->priv->rb_chan->handle->chan._ref);
}
int ustctl_stream_get_wait_fd(struct ustctl_consumer_stream *stream)
return -EINVAL;
buf = stream->buf;
consumer_chan = stream->chan;
- return shm_get_wait_fd(consumer_chan->chan->chan->handle, &buf->self._ref);
+ return shm_get_wait_fd(consumer_chan->chan->priv->rb_chan->handle, &buf->self._ref);
}
int ustctl_stream_get_wakeup_fd(struct ustctl_consumer_stream *stream)
return -EINVAL;
buf = stream->buf;
consumer_chan = stream->chan;
- return shm_get_wakeup_fd(consumer_chan->chan->chan->handle, &buf->self._ref);
+ return shm_get_wakeup_fd(consumer_chan->chan->priv->rb_chan->handle, &buf->self._ref);
}
/* For mmap mode, readable without "get" operation */
return NULL;
buf = stream->buf;
consumer_chan = stream->chan;
- return shmp(consumer_chan->chan->chan->handle, buf->backend.memory_map);
+ return shmp(consumer_chan->chan->priv->rb_chan->handle, buf->backend.memory_map);
}
/* returns the length to mmap. */
{
struct ustctl_consumer_channel *consumer_chan;
unsigned long mmap_buf_len;
- struct lttng_ust_lib_ring_buffer_channel *chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan;
if (!stream)
return -EINVAL;
consumer_chan = stream->chan;
- chan = consumer_chan->chan->chan;
- if (chan->backend.config.output != RING_BUFFER_MMAP)
+ rb_chan = consumer_chan->chan->priv->rb_chan;
+ if (rb_chan->backend.config.output != RING_BUFFER_MMAP)
return -EINVAL;
- mmap_buf_len = chan->backend.buf_size;
- if (chan->backend.extra_reader_sb)
- mmap_buf_len += chan->backend.subbuf_size;
+ mmap_buf_len = rb_chan->backend.buf_size;
+ if (rb_chan->backend.extra_reader_sb)
+ mmap_buf_len += rb_chan->backend.subbuf_size;
if (mmap_buf_len > INT_MAX)
return -EFBIG;
*len = mmap_buf_len;
unsigned long *len)
{
struct ustctl_consumer_channel *consumer_chan;
- struct lttng_ust_lib_ring_buffer_channel *chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan;
if (!stream)
return -EINVAL;
consumer_chan = stream->chan;
- chan = consumer_chan->chan->chan;
- *len = chan->backend.subbuf_size;
+ rb_chan = consumer_chan->chan->priv->rb_chan;
+ *len = rb_chan->backend.subbuf_size;
return 0;
}
int ustctl_get_mmap_read_offset(struct ustctl_consumer_stream *stream,
unsigned long *off)
{
- struct lttng_ust_lib_ring_buffer_channel *chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan;
unsigned long sb_bindex;
struct lttng_ust_lib_ring_buffer *buf;
struct ustctl_consumer_channel *consumer_chan;
return -EINVAL;
buf = stream->buf;
consumer_chan = stream->chan;
- chan = consumer_chan->chan->chan;
- if (chan->backend.config.output != RING_BUFFER_MMAP)
+ rb_chan = consumer_chan->chan->priv->rb_chan;
+ if (rb_chan->backend.config.output != RING_BUFFER_MMAP)
return -EINVAL;
- sb_bindex = subbuffer_id_get_index(&chan->backend.config,
+ sb_bindex = subbuffer_id_get_index(&rb_chan->backend.config,
buf->backend.buf_rsb.id);
- barray_idx = shmp_index(consumer_chan->chan->chan->handle, buf->backend.array,
+ barray_idx = shmp_index(rb_chan->handle, buf->backend.array,
sb_bindex);
if (!barray_idx)
return -EINVAL;
- pages = shmp(consumer_chan->chan->chan->handle, barray_idx->shmp);
+ pages = shmp(rb_chan->handle, barray_idx->shmp);
if (!pages)
return -EINVAL;
*off = pages->mmap_offset;
unsigned long *len)
{
struct ustctl_consumer_channel *consumer_chan;
- struct lttng_ust_lib_ring_buffer_channel *chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan;
struct lttng_ust_lib_ring_buffer *buf;
if (!stream)
buf = stream->buf;
consumer_chan = stream->chan;
- chan = consumer_chan->chan->chan;
- *len = lib_ring_buffer_get_read_data_size(&chan->backend.config, buf,
- consumer_chan->chan->chan->handle);
+ rb_chan = consumer_chan->chan->priv->rb_chan;
+ *len = lib_ring_buffer_get_read_data_size(&rb_chan->backend.config, buf,
+ rb_chan->handle);
return 0;
}
unsigned long *len)
{
struct ustctl_consumer_channel *consumer_chan;
- struct lttng_ust_lib_ring_buffer_channel *chan;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan;
struct lttng_ust_lib_ring_buffer *buf;
if (!stream)
return -EINVAL;
buf = stream->buf;
consumer_chan = stream->chan;
- chan = consumer_chan->chan->chan;
- *len = lib_ring_buffer_get_read_data_size(&chan->backend.config, buf,
- consumer_chan->chan->chan->handle);
+ rb_chan = consumer_chan->chan->priv->rb_chan;
+ *len = lib_ring_buffer_get_read_data_size(&rb_chan->backend.config, buf,
+ rb_chan->handle);
*len = LTTNG_UST_PAGE_ALIGN(*len);
return 0;
}
buf = stream->buf;
consumer_chan = stream->chan;
return lib_ring_buffer_get_next_subbuf(buf,
- consumer_chan->chan->chan->handle);
+ consumer_chan->chan->priv->rb_chan->handle);
}
return -EINVAL;
buf = stream->buf;
consumer_chan = stream->chan;
- lib_ring_buffer_put_next_subbuf(buf, consumer_chan->chan->chan->handle);
+ lib_ring_buffer_put_next_subbuf(buf, consumer_chan->chan->priv->rb_chan->handle);
return 0;
}
buf = stream->buf;
consumer_chan = stream->chan;
return lib_ring_buffer_snapshot(buf, &buf->cons_snapshot,
- &buf->prod_snapshot, consumer_chan->chan->chan->handle);
+ &buf->prod_snapshot, consumer_chan->chan->priv->rb_chan->handle);
}
/*
consumer_chan = stream->chan;
return lib_ring_buffer_snapshot_sample_positions(buf,
&buf->cons_snapshot, &buf->prod_snapshot,
- consumer_chan->chan->chan->handle);
+ consumer_chan->chan->priv->rb_chan->handle);
}
/* Get the consumer position (iteration start) */
buf = stream->buf;
consumer_chan = stream->chan;
return lib_ring_buffer_get_subbuf(buf, *pos,
- consumer_chan->chan->chan->handle);
+ consumer_chan->chan->priv->rb_chan->handle);
}
/* Release exclusive sub-buffer access */
return -EINVAL;
buf = stream->buf;
consumer_chan = stream->chan;
- lib_ring_buffer_put_subbuf(buf, consumer_chan->chan->chan->handle);
+ lib_ring_buffer_put_subbuf(buf, consumer_chan->chan->priv->rb_chan->handle);
return 0;
}
consumer_chan = stream->chan;
lib_ring_buffer_switch_slow(buf,
producer_active ? SWITCH_ACTIVE : SWITCH_FLUSH,
- consumer_chan->chan->chan->handle);
+ consumer_chan->chan->priv->rb_chan->handle);
}
void ustctl_clear_buffer(struct ustctl_consumer_stream *stream)
buf = stream->buf;
consumer_chan = stream->chan;
lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE,
- consumer_chan->chan->chan->handle);
- lib_ring_buffer_clear_reader(buf, consumer_chan->chan->chan->handle);
+ consumer_chan->chan->priv->rb_chan->handle);
+ lib_ring_buffer_clear_reader(buf, consumer_chan->chan->priv->rb_chan->handle);
}
static
struct lttng_ust_client_lib_ring_buffer_client_cb *get_client_cb(
struct lttng_ust_lib_ring_buffer *buf,
- struct lttng_ust_shm_handle *handle)
+ struct lttng_ust_lib_ring_buffer_channel *chan)
{
- struct lttng_ust_lib_ring_buffer_channel *chan;
const struct lttng_ust_lib_ring_buffer_config *config;
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
- chan = shmp(handle, buf->backend.chan);
- if (!chan)
- return NULL;
config = &chan->backend.config;
if (!config->cb_ptr)
return NULL;
uint64_t *timestamp_begin)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !timestamp_begin)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb)
return -ENOSYS;
- return client_cb->timestamp_begin(buf, handle, timestamp_begin);
+ return client_cb->timestamp_begin(buf, chan, timestamp_begin);
}
int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream,
uint64_t *timestamp_end)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !timestamp_end)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb)
return -ENOSYS;
- return client_cb->timestamp_end(buf, handle, timestamp_end);
+ return client_cb->timestamp_end(buf, chan, timestamp_end);
}
int ustctl_get_events_discarded(struct ustctl_consumer_stream *stream,
uint64_t *events_discarded)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !events_discarded)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb)
return -ENOSYS;
- return client_cb->events_discarded(buf, handle, events_discarded);
+ return client_cb->events_discarded(buf, chan, events_discarded);
}
int ustctl_get_content_size(struct ustctl_consumer_stream *stream,
uint64_t *content_size)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !content_size)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb)
return -ENOSYS;
- return client_cb->content_size(buf, handle, content_size);
+ return client_cb->content_size(buf, chan, content_size);
}
int ustctl_get_packet_size(struct ustctl_consumer_stream *stream,
uint64_t *packet_size)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !packet_size)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb)
return -ENOSYS;
- return client_cb->packet_size(buf, handle, packet_size);
+ return client_cb->packet_size(buf, chan, packet_size);
}
int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
uint64_t *stream_id)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !stream_id)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb)
return -ENOSYS;
- return client_cb->stream_id(buf, handle, stream_id);
+ return client_cb->stream_id(buf, chan, stream_id);
}
int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
uint64_t *ts)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !ts)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb || !client_cb->current_timestamp)
return -ENOSYS;
- return client_cb->current_timestamp(buf, handle, ts);
+ return client_cb->current_timestamp(buf, chan, ts);
}
int ustctl_get_sequence_number(struct ustctl_consumer_stream *stream,
uint64_t *seq)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !seq)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb || !client_cb->sequence_number)
return -ENOSYS;
- return client_cb->sequence_number(buf, handle, seq);
+ return client_cb->sequence_number(buf, chan, seq);
}
int ustctl_get_instance_id(struct ustctl_consumer_stream *stream,
uint64_t *id)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer_channel *chan;
struct lttng_ust_lib_ring_buffer *buf;
- struct lttng_ust_shm_handle *handle;
if (!stream || !id)
return -EINVAL;
buf = stream->buf;
- handle = stream->chan->chan->chan->handle;
- client_cb = get_client_cb(buf, handle);
+ chan = stream->chan->chan->priv->rb_chan;
+ client_cb = get_client_cb(buf, chan);
if (!client_cb)
return -ENOSYS;
- return client_cb->instance_id(buf, handle, id);
+ return client_cb->instance_id(buf, chan, id);
}
#ifdef HAVE_LINUX_PERF_EVENT_H
projects / lttng-ust.git / blobdiff