X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer.c;h=e182c991f147baf89bcb482da2ff9b4936d775b6;hb=f5dbe415fb8c3efcdcd68968b8cc8f40369b9cd9;hp=d57271c3a9d27222c72d95d20128a3fdd4788df6;hpb=93ec662e687dc15a3601704a1e0c96c51ad228c9;p=lttng-tools.git diff --git a/src/common/consumer/consumer.c b/src/common/consumer/consumer.c index d57271c3a..e182c991f 100644 --- a/src/common/consumer/consumer.c +++ b/src/common/consumer/consumer.c @@ -1021,7 +1021,7 @@ struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key, CDS_INIT_LIST_HEAD(&channel->streams.head); - DBG("Allocated channel (key %" PRIu64 ")", channel->key) + DBG("Allocated channel (key %" PRIu64 ")", channel->key); end: return channel; @@ -1229,9 +1229,15 @@ void lttng_consumer_should_exit(struct lttng_consumer_local_data *ctx) DBG("Consumer flag that it should quit"); } + +/* + * Flush pending writes to trace output disk file. + */ +static void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream, off_t orig_offset) { + int ret; int outfd = stream->out_fd; /* @@ -1262,8 +1268,12 @@ void lttng_consumer_sync_trace_file(struct lttng_consumer_stream *stream, * defined. So it can be expected to lead to lower throughput in * streaming. */ - posix_fadvise(outfd, orig_offset - stream->max_sb_size, + ret = posix_fadvise(outfd, orig_offset - stream->max_sb_size, stream->max_sb_size, POSIX_FADV_DONTNEED); + if (ret && ret != -ENOSYS) { + errno = ret; + PERROR("posix_fadvise on fd %i", outfd); + } } /* @@ -1682,8 +1692,8 @@ ssize_t lttng_consumer_on_read_subbuffer_mmap( lttng_sync_file_range(outfd, stream->out_fd_offset, len, SYNC_FILE_RANGE_WRITE); stream->out_fd_offset += len; + lttng_consumer_sync_trace_file(stream, orig_offset); } - lttng_consumer_sync_trace_file(stream, orig_offset); write_error: /* @@ -1912,7 +1922,9 @@ ssize_t lttng_consumer_on_read_subbuffer_splice( stream->output_written += ret_splice; written += ret_splice; } - lttng_consumer_sync_trace_file(stream, orig_offset); + if (!relayd) { + lttng_consumer_sync_trace_file(stream, orig_offset); + } goto end; write_error: @@ -2261,10 +2273,10 @@ restart: DBG("Metadata poll return from wait with %d fd(s)", LTTNG_POLL_GETNB(&events)); health_poll_exit(); - DBG("Metadata event catched in thread"); + DBG("Metadata event caught in thread"); if (ret < 0) { if (errno == EINTR) { - ERR("Poll EINTR catched"); + ERR("Poll EINTR caught"); goto restart; } if (LTTNG_POLL_GETNB(&events) == 0) { @@ -2844,10 +2856,10 @@ restart: DBG("Channel poll return from wait with %d fd(s)", LTTNG_POLL_GETNB(&events)); health_poll_exit(); - DBG("Channel event catched in thread"); + DBG("Channel event caught in thread"); if (ret < 0) { if (errno == EINTR) { - ERR("Poll EINTR catched"); + ERR("Poll EINTR caught"); goto restart; } if (LTTNG_POLL_GETNB(&events) == 0) {