X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=4fe37d3c9e941062e17b9a8d8313705299685b79;hb=3ef395a9;hp=2878355a563623eefad9dc0fb56af89d86cbebc7;hpb=7775df526447e504735983ee359dcb902fa6dd1e;p=lttng-tools.git diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c index 2878355a5..4fe37d3c9 100644 --- a/src/common/kernel-consumer/kernel-consumer.c +++ b/src/common/kernel-consumer/kernel-consumer.c @@ -17,6 +17,7 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include "common/buffer-view.h" #include #define _LGPL_SOURCE #include @@ -259,9 +260,9 @@ static int lttng_kconsumer_snapshot_channel( ssize_t read_len; unsigned long len, padded_len; const char *subbuf_addr; + struct lttng_buffer_view subbuf_view; health_code_update(); - DBG("Kernel consumer taking snapshot at pos %lu", consumed_pos); ret = kernctl_get_subbuf(stream->wait_fd, &consumed_pos); @@ -293,8 +294,10 @@ static int lttng_kconsumer_snapshot_channel( goto error_put_subbuf; } + subbuf_view = lttng_buffer_view_init( + subbuf_addr, 0, padded_len); read_len = lttng_consumer_on_read_subbuffer_mmap(ctx, - stream, subbuf_addr, len, + stream, &subbuf_view, padded_len - len, NULL); /* * We write the padded len in local tracefiles but the data len @@ -520,6 +523,7 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, msg.u.channel.tracefile_count, 0, msg.u.channel.monitor, msg.u.channel.live_timer_interval, + msg.u.channel.is_live, NULL, NULL); if (new_channel == NULL) { lttng_consumer_send_error(ctx, LTTCOMM_CONSUMERD_OUTFD_ERROR); @@ -661,7 +665,9 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, health_code_update(); pthread_mutex_lock(&channel->lock); - new_stream = consumer_allocate_stream(channel->key, + new_stream = consumer_allocate_stream( + channel, + channel->key, fd, channel->name, channel->relayd_id, @@ -683,7 +689,6 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, goto error_add_stream_nosignal; } - new_stream->chan = channel; new_stream->wait_fd = fd; ret = kernctl_get_max_subbuf_size(new_stream->wait_fd, &new_stream->max_sb_size); @@ -1713,6 +1718,7 @@ ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream, case CONSUMER_CHANNEL_MMAP: { const char *subbuf_addr; + struct lttng_buffer_view subbuf_view; /* Get subbuffer size without padding */ err = kernctl_get_subbuf_size(infd, &subbuf_size); @@ -1743,15 +1749,15 @@ ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream, padding = len - subbuf_size; + subbuf_view = lttng_buffer_view_init(subbuf_addr, 0, len); + /* write the subbuffer to the tracefile */ - ret = lttng_consumer_on_read_subbuffer_mmap(ctx, stream, - subbuf_addr, - subbuf_size, - padding, &index); + ret = lttng_consumer_on_read_subbuffer_mmap( + ctx, stream, &subbuf_view, padding, &index); /* - * The mmap operation should write subbuf_size amount of data when - * network streaming or the full padding (len) size when we are _not_ - * streaming. + * The mmap operation should write subbuf_size amount of data + * when network streaming or the full padding (len) size when we + * are _not_ streaming. */ if ((ret != subbuf_size && stream->net_seq_idx != (uint64_t) -1ULL) || (ret != len && stream->net_seq_idx == (uint64_t) -1ULL)) {