X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-ring-buffer-client.h;h=4fbfc709a19d9e8f834384aef54c0cbe3bbad2bb;hb=e7bc0ef6c86ae97886cf5f8b28854cf281d4962b;hp=188efb0fe12960880b0c1ae5d5cdcb8455a4b944;hpb=a880bae51b3d8e927f68ceae2804636976bd62d8;p=lttng-ust.git diff --git a/liblttng-ust/lttng-ring-buffer-client.h b/liblttng-ust/lttng-ring-buffer-client.h index 188efb0f..4fbfc709 100644 --- a/liblttng-ust/lttng-ring-buffer-client.h +++ b/liblttng-ust/lttng-ring-buffer-client.h @@ -119,7 +119,7 @@ void ctx_get_struct_size(struct lttng_ust_ctx *ctx, size_t *ctx_len, static inline void ctx_record(struct lttng_ust_lib_ring_buffer_ctx *bufctx, - struct lttng_channel *chan, + struct lttng_ust_channel_buffer *chan, struct lttng_ust_ctx *ctx, enum app_ctx_mode mode) { @@ -172,12 +172,12 @@ size_t record_header_size(const struct lttng_ust_lib_ring_buffer_config *config, struct lttng_ust_lib_ring_buffer_ctx *ctx, struct lttng_client_ctx *client_ctx) { - struct lttng_channel *lttng_chan = channel_get_private(chan); + struct lttng_ust_channel_buffer *lttng_chan = channel_get_private(chan); struct lttng_ust_stack_ctx *lttng_ctx = ctx->priv; size_t orig_offset = offset; size_t padding; - switch (lttng_chan->header_type) { + switch (lttng_chan->priv->header_type) { case 1: /* compact */ padding = lib_ring_buffer_align(offset, lttng_alignof(uint32_t)); offset += padding; @@ -242,13 +242,13 @@ void lttng_write_event_header(const struct lttng_ust_lib_ring_buffer_config *con struct lttng_ust_lib_ring_buffer_ctx *ctx, uint32_t event_id) { - struct lttng_channel *lttng_chan = channel_get_private(ctx->chan); + struct lttng_ust_channel_buffer *lttng_chan = channel_get_private(ctx->chan); struct lttng_ust_stack_ctx *lttng_ctx = ctx->priv; if (caa_unlikely(ctx->rflags)) goto slow_path; - switch (lttng_chan->header_type) { + switch (lttng_chan->priv->header_type) { case 1: /* compact */ { uint32_t id_time = 0; @@ -293,10 +293,10 @@ void lttng_write_event_header_slow(const struct lttng_ust_lib_ring_buffer_config struct lttng_ust_lib_ring_buffer_ctx *ctx, uint32_t event_id) { - struct lttng_channel *lttng_chan = channel_get_private(ctx->chan); + struct lttng_ust_channel_buffer *lttng_chan = channel_get_private(ctx->chan); struct lttng_ust_stack_ctx *lttng_ctx = ctx->priv; - switch (lttng_chan->header_type) { + switch (lttng_chan->priv->header_type) { case 1: /* compact */ if (!(ctx->rflags & (RING_BUFFER_RFLAG_FULL_TSC | LTTNG_RFLAG_EXTENDED))) { uint32_t id_time = 0; @@ -397,15 +397,15 @@ static void client_buffer_begin(struct lttng_ust_lib_ring_buffer *buf, uint64_t lib_ring_buffer_offset_address(&buf->backend, subbuf_idx * chan->backend.subbuf_size, handle); - struct lttng_channel *lttng_chan = channel_get_private(chan); + struct lttng_ust_channel_buffer *lttng_chan = channel_get_private(chan); uint64_t cnt = shmp_index(handle, buf->backend.buf_cnt, subbuf_idx)->seq_cnt; assert(header); if (!header) return; header->magic = CTF_MAGIC_NUMBER; - memcpy(header->uuid, lttng_chan->uuid, sizeof(lttng_chan->uuid)); - header->stream_id = lttng_chan->id; + memcpy(header->uuid, lttng_chan->priv->uuid, sizeof(lttng_chan->priv->uuid)); + header->stream_id = lttng_chan->priv->id; header->stream_instance_id = buf->backend.cpu; header->ctx.timestamp_begin = tsc; header->ctx.timestamp_end = 0; @@ -548,9 +548,9 @@ static int client_stream_id(struct lttng_ust_lib_ring_buffer *buf, { struct lttng_ust_lib_ring_buffer_channel *chan = shmp(handle, buf->backend.chan); - struct lttng_channel *lttng_chan = channel_get_private(chan); + struct lttng_ust_channel_buffer *lttng_chan = channel_get_private(chan); - *stream_id = lttng_chan->id; + *stream_id = lttng_chan->priv->id; return 0; } @@ -639,7 +639,7 @@ static const struct lttng_ust_lib_ring_buffer_config client_config = { }; static -struct lttng_channel *_channel_create(const char *name, +struct lttng_ust_channel_buffer *_channel_create(const char *name, void *buf_addr, size_t subbuf_size, size_t num_subbuf, unsigned int switch_timer_interval, @@ -649,40 +649,50 @@ struct lttng_channel *_channel_create(const char *name, const int *stream_fds, int nr_stream_fds, int64_t blocking_timeout) { - struct lttng_channel chan_priv_init; + struct lttng_ust_abi_channel_config chan_priv_init; struct lttng_ust_shm_handle *handle; - struct lttng_channel *lttng_chan; - void *priv; + struct lttng_ust_channel_buffer *lttng_chan_buf; + + lttng_chan_buf = lttng_ust_alloc_channel_buffer(); + if (!lttng_chan_buf) + return NULL; + memcpy(lttng_chan_buf->priv->uuid, uuid, LTTNG_UST_UUID_LEN); + lttng_chan_buf->priv->id = chan_id; memset(&chan_priv_init, 0, sizeof(chan_priv_init)); memcpy(chan_priv_init.uuid, uuid, LTTNG_UST_UUID_LEN); chan_priv_init.id = chan_id; + handle = channel_create(&client_config, name, - &priv, __alignof__(struct lttng_channel), - sizeof(struct lttng_channel), + __alignof__(struct lttng_ust_abi_channel_config), + sizeof(struct lttng_ust_abi_channel_config), &chan_priv_init, - buf_addr, subbuf_size, num_subbuf, + lttng_chan_buf, buf_addr, subbuf_size, num_subbuf, switch_timer_interval, read_timer_interval, stream_fds, nr_stream_fds, blocking_timeout); if (!handle) - return NULL; - lttng_chan = priv; - lttng_chan->handle = handle; - lttng_chan->chan = shmp(handle, handle->chan); - return lttng_chan; + goto error; + lttng_chan_buf->handle = handle; + lttng_chan_buf->chan = shmp(handle, handle->chan); + return lttng_chan_buf; + +error: + lttng_ust_free_channel_common(lttng_chan_buf->parent); + return NULL; } static -void lttng_channel_destroy(struct lttng_channel *chan) +void lttng_channel_destroy(struct lttng_ust_channel_buffer *lttng_chan_buf) { - channel_destroy(chan->chan, chan->handle, 1); + channel_destroy(lttng_chan_buf->chan, lttng_chan_buf->handle, 1); + lttng_ust_free_channel_common(lttng_chan_buf->parent); } static int lttng_event_reserve(struct lttng_ust_lib_ring_buffer_ctx *ctx, uint32_t event_id) { - struct lttng_channel *lttng_chan = channel_get_private(ctx->chan); + struct lttng_ust_channel_buffer *lttng_chan = channel_get_private(ctx->chan); struct lttng_ust_stack_ctx *lttng_ctx = ctx->priv; struct lttng_client_ctx client_ctx; int ret, cpu; @@ -698,7 +708,7 @@ int lttng_event_reserve(struct lttng_ust_lib_ring_buffer_ctx *ctx, return -EPERM; ctx->cpu = cpu; - switch (lttng_chan->header_type) { + switch (lttng_chan->priv->header_type) { case 1: /* compact */ if (event_id > 30) ctx->rflags |= LTTNG_RFLAG_EXTENDED;