On 18.08.20 06:04, Ritesh Harjani wrote:
> This is many times found useful while debugging some FS related issue.
>
> <e.g. output>
> mount super_block fstype devname pathname options
> 0xffff888a0bfa4b40 0xffff888a0bfc1000 rootfs none / rw 0 0
> 0xffff888a02c065c0 0xffff8889fcf65000 ext4 /dev/root / rw ,relatime 0 0
> 0xffff8889fc8cc040 0xffff888a0bb51000 devtmpfs devtmpfs /dev rw ,relatime 0 0
>
> Signed-off-by: Ritesh Harjani <rite...@linux.ibm.com>
> ---
> scripts/gdb/linux/proc.py | 15 +++++++--------
> 1 file changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py
> index 6a56bba233a9..c16fab981bdd 100644
> --- a/scripts/gdb/linux/proc.py
> +++ b/scripts/gdb/linux/proc.py
> @@ -167,6 +167,9 @@ values of that process namespace"""
> if not namespace:
> raise gdb.GdbError("No namespace for current process")
>
> + gdb.write("{:^18} {:^15} {:>9} {} {} options\n".format(
> + "mount", "super_block", "fstype", "devname", "pathname"))
> +
> for vfs in lists.list_for_each_entry(namespace['list'],
> mount_ptr_type, "mnt_list"):
> devname = vfs['mnt_devname'].string()
> @@ -190,14 +193,10 @@ values of that process namespace"""
> m_flags = int(vfs['mnt']['mnt_flags'])
> rd = "ro" if (s_flags & constants.LX_SB_RDONLY) else "rw"
>
> - gdb.write(
> - "{} {} {} {}{}{} 0 0\n"
> - .format(devname,
> - pathname,
> - fstype,
> - rd,
> - info_opts(FS_INFO, s_flags),
> - info_opts(MNT_INFO, m_flags)))
> + gdb.write("{} {} {} {} {} {} {} {} 0 0\n".format(
> + vfs.format_string(), superblock.format_string(),
> fstype,
> + devname, pathname, rd, info_opts(FS_INFO, s_flags),
> + info_opts(MNT_INFO, m_flags)))
The last three format elements should not be space-separated. The effect
can even be seen in your example above.
Jan
>
>
> LxMounts()
>
--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux
