X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=ustd%2Flowlevel.c;h=bce1d20f91c09c55cacf2964eabf75fda119b5cc;hb=8c36d1ee4e2c77783f6edfdd49f2d812afdd3f67;hp=6a91accbb5bac43c7a55f0233fd447c473338461;hpb=6af64c431c0a521fc927fa72b9f4015397ce11d4;p=ust.git diff --git a/ustd/lowlevel.c b/ustd/lowlevel.c index 6a91acc..bce1d20 100644 --- a/ustd/lowlevel.c +++ b/ustd/lowlevel.c @@ -17,6 +17,7 @@ #include +#include "buffers.h" #include "tracer.h" #include "ustd.h" #include "usterr.h" @@ -27,10 +28,10 @@ void finish_consuming_dead_subbuffer(struct buffer_info *buf) { - struct ltt_channel_buf_struct *ltt_buf = buf->bufstruct_mem; + struct ust_buffer *ustbuf = buf->bufstruct_mem; - long write_offset = local_read(<t_buf->offset); - long consumed_offset = atomic_long_read(<t_buf->consumed); + long write_offset = local_read(&ustbuf->offset); + long consumed_offset = atomic_long_read(&ustbuf->consumed); long i_subbuf; @@ -59,7 +60,7 @@ void finish_consuming_dead_subbuffer(struct buffer_info *buf) void *tmp; /* commit_seq is the offset in the buffer of the end of the last sequential commit. * Bytes beyond this limit cannot be recovered. This is a free-running counter. */ - long commit_seq = local_read(<t_buf->commit_seq[i_subbuf]); + long commit_seq = local_read(&ustbuf->commit_seq[i_subbuf]); unsigned long valid_length = buf->subbuf_size; long n_subbufs_order = get_count_order(buf->n_subbufs); @@ -77,18 +78,18 @@ void finish_consuming_dead_subbuffer(struct buffer_info *buf) if (((commit_seq - buf->subbuf_size) & commit_seq_mask) - (USTD_BUFFER_TRUNC(consumed_offset, buf) >> n_subbufs_order) == 0) { - /* If it was, we only check the lost_size. This is the lost padding at the end of - * the subbuffer. */ - valid_length = (unsigned long)buf->subbuf_size - header->lost_size; + /* If it was, we only check the data_size. This is the amount of valid data at + * the beginning of the subbuffer. */ + valid_length = header->data_size; } else { - /* If the subbuffer was not fully written, then we don't check lost_size because + /* If the subbuffer was not fully written, then we don't check data_size because * it hasn't been written yet. Instead we check commit_seq and use it to choose - * a value for lost_size. The viewer will need this value when parsing. + * a value for data_size. The viewer will need this value when parsing. */ valid_length = commit_seq & (buf->subbuf_size-1); - header->lost_size = buf->subbuf_size-valid_length; + header->data_size = valid_length; assert(i_subbuf == (last_subbuf % buf->n_subbufs)); }