From: Adrian Hunter <adrian.hun...@intel.com>
It will be necessary to predetermine header->data_offset
to allow space for attributes that are added later.
Consequently, do not change header->data_offset if it
is non-zero.
Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
tools/perf/util/header.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 49c4896..0114f0a 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2368,7 +2368,8 @@ int perf_session__write_header(struct perf_session
*session,
}
}
- header->data_offset = lseek(fd, 0, SEEK_CUR);
+ if (!header->data_offset)
+ header->data_offset = lseek(fd, 0, SEEK_CUR);
header->feat_offset = header->data_offset + header->data_size;
if (at_exit) {
--
1.8.5.1
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