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authorRitesh Harjani <riteshh@linux.ibm.com>2020-10-15 20:13:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-16 11:11:22 -0700
commit998ec76b920086d9f6bac8b11719ee81976743b6 (patch)
treeceb50287e31818e5840b41fa125a83299bea0691 /scripts
parentac05b7a1b48ba9fc79937a08db4c7131dba8fc5f (diff)
scripts/gdb/proc: add struct mount & struct super_block addr in lx-mounts command
This is many times found useful while debugging some FS related issue. <e.g. output> mount super_block devname pathname fstype options 0xffff888a0bfa4b40 0xffff888a0bfc1000 none / rootfs rw 0 0 0xffff888a033f75c0 0xffff8889fcf65000 /dev/root / ext4 rw,relatime 0 0 0xffff8889fc8ce040 0xffff888a0bb51000 devtmpfs /dev devtmpfs rw,relatime 0 0 Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Link: http://lkml.kernel.org/r/a3c4177e1597b3e06d66d55e07d72c0c46a03571.1597742951.git.riteshh@linux.ibm.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/gdb/linux/proc.py15
1 files changed, 7 insertions, 8 deletions
diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py
index 6a56bba233a9..09cd871925a5 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", "devname", "pathname", "fstype"))
+
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(), devname,
+ pathname, fstype, rd, info_opts(FS_INFO, s_flags),
+ info_opts(MNT_INFO, m_flags)))
LxMounts()