While printing Nfsv4ops from older /proc/self/mountstats e.g. in 2.6.32-754.el6.x86_64 from RHEL 6.10, it will not have all the Keys present leading to a KeyError like below : Traceback (most recent call last): File "nfs-utils/tools/mountstats/mountstats.py", line 1131, in <module> res = main() File "nfs-utils/tools/mountstats/mountstats.py", line 1120, in main return args.func(args) File "nfs-utils/tools/mountstats/mountstats.py", line 860, in mountstats_command print_mountstats(stats, args.nfs_only, args.rpc_only, args.raw, args.xprt_only) File "nfs-utils/tools/mountstats/mountstats.py", line 813, in print_mountstats stats.display_raw_stats() File "nfs-utils/tools/mountstats/mountstats.py", line 381, in display_raw_stats print('\t%12s: %s' % (op, " ".join(str(x) for x in self.__rpc_data[op]))) KeyError: 'FSID_PRESENT' Signed-off-by: Rohan Sable <rsable@xxxxxxxxxx> --- tools/mountstats/mountstats.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/mountstats/mountstats.py b/tools/mountstats/mountstats.py index 25e92a19..23876fc4 100755 --- a/tools/mountstats/mountstats.py +++ b/tools/mountstats/mountstats.py @@ -378,7 +378,10 @@ class DeviceData: print('\t%12s: %s' % (op, " ".join(str(x) for x in self.__rpc_data[op]))) elif vers == '4': for op in Nfsv4ops: - print('\t%12s: %s' % (op, " ".join(str(x) for x in self.__rpc_data[op]))) + try: + print('\t%12s: %s' % (op, " ".join(str(x) for x in self.__rpc_data[op]))) + except KeyError: + continue else: print('\tnot implemented for version %d' % vers) print() -- 2.26.2