diff options
Diffstat (limited to 'package/lttng-tools/lttng-tools-2.0-pre15-no-sync-file-range-in-uclibc.patch')
| -rw-r--r-- | package/lttng-tools/lttng-tools-2.0-pre15-no-sync-file-range-in-uclibc.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/package/lttng-tools/lttng-tools-2.0-pre15-no-sync-file-range-in-uclibc.patch b/package/lttng-tools/lttng-tools-2.0-pre15-no-sync-file-range-in-uclibc.patch new file mode 100644 index 000000000..861686b01 --- /dev/null +++ b/package/lttng-tools/lttng-tools-2.0-pre15-no-sync-file-range-in-uclibc.patch @@ -0,0 +1,87 @@ +Make sync_file_range() usage optional + +Under uClibc, sync_file_range() is not available under all +architectures, so we fall back to fdatasync() in this case. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + +Index: lttng-tools-2.0-pre15/configure.ac +=================================================================== +--- lttng-tools-2.0-pre15.orig/configure.ac 2012-02-01 16:31:31.140978817 +0100 ++++ lttng-tools-2.0-pre15/configure.ac 2012-02-01 16:31:42.110783708 +0100 +@@ -96,7 +96,7 @@ + + AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [ test "x$ac_cv_lib_lttng_ust_ctl_ustctl_create_session" = "xyes" ]) + +-AC_CHECK_FUNCS([sched_getcpu sysconf]) ++AC_CHECK_FUNCS([sched_getcpu sysconf sync_file_range]) + + # Option to only build the consumer daemon and its libraries + AC_ARG_WITH([consumerd-only], +Index: lttng-tools-2.0-pre15/liblttng-consumer/lttng-consumer.c +=================================================================== +--- lttng-tools-2.0-pre15.orig/liblttng-consumer/lttng-consumer.c 2012-02-01 16:36:00.876292596 +0100 ++++ lttng-tools-2.0-pre15/liblttng-consumer/lttng-consumer.c 2012-02-01 16:36:23.435901163 +0100 +@@ -527,11 +527,15 @@ + if (orig_offset < stream->chan->max_sb_size) { + return; + } ++#ifdef HAVE_SYNC_FILE_RANGE + sync_file_range(outfd, orig_offset - stream->chan->max_sb_size, + stream->chan->max_sb_size, + SYNC_FILE_RANGE_WAIT_BEFORE + | SYNC_FILE_RANGE_WRITE + | SYNC_FILE_RANGE_WAIT_AFTER); ++#else ++ fdatasync(outfd); ++#endif + /* + * Give hints to the kernel about how we access the file: + * POSIX_FADV_DONTNEED : we won't re-access data in a near future after +Index: lttng-tools-2.0-pre15/liblttng-kconsumer/lttng-kconsumer.c +=================================================================== +--- lttng-tools-2.0-pre15.orig/liblttng-kconsumer/lttng-kconsumer.c 2012-02-01 16:36:36.215679416 +0100 ++++ lttng-tools-2.0-pre15/liblttng-kconsumer/lttng-kconsumer.c 2012-02-01 16:59:08.622203348 +0100 +@@ -71,8 +71,12 @@ + goto end; + } + /* This won't block, but will start writeout asynchronously */ ++#ifdef HAVE_SYNC_FILE_RANGE + sync_file_range(outfd, stream->out_fd_offset, ret, + SYNC_FILE_RANGE_WRITE); ++#else ++ fdatasync(outfd); ++#endif + stream->out_fd_offset += ret; + } + +@@ -121,8 +125,12 @@ + } + len -= ret; + /* This won't block, but will start writeout asynchronously */ ++#ifdef HAVE_SYNC_FILE_RANGE + sync_file_range(outfd, stream->out_fd_offset, ret, + SYNC_FILE_RANGE_WRITE); ++#else ++ fdatasync(outfd); ++#endif + stream->out_fd_offset += ret; + } + lttng_consumer_sync_trace_file(stream, orig_offset); +Index: lttng-tools-2.0-pre15/liblttng-ustconsumer/lttng-ustconsumer.c +=================================================================== +--- lttng-tools-2.0-pre15.orig/liblttng-ustconsumer/lttng-ustconsumer.c 2012-02-01 16:37:11.495067263 +0100 ++++ lttng-tools-2.0-pre15/liblttng-ustconsumer/lttng-ustconsumer.c 2012-02-01 16:37:31.224724916 +0100 +@@ -70,8 +70,12 @@ + goto end; + } + /* This won't block, but will start writeout asynchronously */ ++#ifdef HAVE_SYNC_FILE_RANGE + sync_file_range(outfd, stream->out_fd_offset, ret, + SYNC_FILE_RANGE_WRITE); ++#else ++ fdatasync(outfd); ++#endif + stream->out_fd_offset += ret; + } + |