When reading sections from trace file v7 - check section flags to find
out if the section is compressed and decompress it.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
lib/trace-cmd/trace-input.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
index fac19bc3..a70bb0e6 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -480,12 +480,15 @@ static struct file_section *section_open(struct tracecmd_input *handle, int id)
if (lseek64(handle->fd, sec->data_offset, SEEK_SET) == (off64_t)-1)
return NULL;
+ if ((sec->flags & TRACECMD_SEC_FL_COMPRESS) && in_uncompress_block(handle))
+ return NULL;
return sec;
}
static void section_close(struct tracecmd_input *handle, struct file_section *sec)
{
- /* To Do */
+ if (sec->flags & TRACECMD_SEC_FL_COMPRESS)
+ in_uncompress_reset(handle);
}
static int section_add_or_update(struct tracecmd_input *handle, int id, int flags,
@@ -1108,6 +1111,8 @@ static int handle_section(struct tracecmd_input *handle, struct file_section *se
return -1;
section->data_offset = lseek64(handle->fd, 0, SEEK_CUR);
+ if ((section->flags & TRACECMD_SEC_FL_COMPRESS) && in_uncompress_block(handle))
+ return -1;
switch (section->id) {
case TRACECMD_OPTION_HEADER_INFO:
@@ -1133,6 +1138,9 @@ static int handle_section(struct tracecmd_input *handle, struct file_section *se
break;
}
+ if (section->flags & TRACECMD_SEC_FL_COMPRESS)
+ in_uncompress_reset(handle);
+
return ret;
}
--
2.31.1
|