diff options
| -rw-r--r-- | vmcore-dmesg/vmcore-dmesg.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/vmcore-dmesg/vmcore-dmesg.c b/vmcore-dmesg/vmcore-dmesg.c index f47ee11..0364636 100644 --- a/vmcore-dmesg/vmcore-dmesg.c +++ b/vmcore-dmesg/vmcore-dmesg.c @@ -540,6 +540,12 @@ static void dump_dmesg_legacy(int fd) exit(53); } + /* + * To collect full dmesg including the part before `dmesg -c` is useful + * for later debugging. Use same logic as what crash utility is using. + */ + logged_chars = log_end < log_buf_len ? log_end : log_buf_len; + write_to_stdout(buf + (log_buf_len - logged_chars), logged_chars); } |