Allow the mountstats command to take a variable number of mountpoints
(including none, in which case it will print stats for all NFS
mountpoints it finds).
Signed-off-by: Scott Mayhew <smayhew@xxxxxxxxxx>
---
tools/mountstats/mountstats.py | 48 ++++++++++++++++++++++++++++++------------
1 file changed, 34 insertions(+), 14 deletions(-)
diff --git a/tools/mountstats/mountstats.py b/tools/mountstats/mountstats.py
index 18e7b1a..8cfdb3b 100644
--- a/tools/mountstats/mountstats.py
+++ b/tools/mountstats/mountstats.py
@@ -311,11 +311,14 @@ class DeviceData:
return True
return False
+ def display_stats_header(self):
+ print('Stats for %s mounted on %s:' % \
+ (self.__nfs_data['export'], self.__nfs_data['mountpoint']))
+
def display_nfs_options(self):
"""Pretty-print the NFS options
"""
- print('Stats for %s mounted on %s:' % \
- (self.__nfs_data['export'], self.__nfs_data['mountpoint']))
+ self.display_stats_header()
print(' NFS mount options: %s' % ','.join(self.__nfs_data['mountoptions']))
print(' NFS server capabilities: %s' % ','.join(self.__nfs_data['servercapabilities']))
@@ -562,6 +565,7 @@ def print_mountstats(stats, nfs_only, rpc_only):
stats.display_nfs_events()
stats.display_nfs_bytes()
elif rpc_only:
+ stats.display_stats_header()
stats.display_rpc_generic_stats()
stats.display_rpc_op_stats()
else:
@@ -569,27 +573,42 @@ def print_mountstats(stats, nfs_only, rpc_only):
stats.display_nfs_bytes()
stats.display_rpc_generic_stats()
stats.display_rpc_op_stats()
+ print()
def mountstats_command(args):
"""Mountstats command
"""
mountstats = parse_stats_file(args.infile)
+ mountpoints = args.mountpoints
+
+ # make certain devices contains only NFS mount points
+ if len(mountpoints) > 0:
+ check = []
+ for device in mountpoints:
+ stats = DeviceData()
+ try:
+ stats.parse_stats(mountstats[device])
+ if stats.is_nfs_mountpoint():
+ check += [device]
+ except KeyError:
+ continue
+ mountpoints = check
+ else:
+ for device, descr in mountstats.items():
+ stats = DeviceData()
+ stats.parse_stats(descr)
+ if stats.is_nfs_mountpoint():
+ mountpoints += [device]
+ if len(mountpoints) == 0:
+ print('No NFS mount points were found')
+ return
if args.since:
old_mountstats = parse_stats_file(args.since)
- for mp in args.mountpoints:
- if mp not in mountstats:
- print('Statistics for mount point %s not found' % mp)
- continue
-
+ for mp in mountpoints:
stats = DeviceData()
stats.parse_stats(mountstats[mp])
-
- if not stats.is_nfs_mountpoint():
- print('Mount point %s exists but is not an NFS mount' % mp)
- continue
-
if not args.since:
print_mountstats(stats, args.nfs_only, args.rpc_only)
elif args.since and mp not in old_mountstats:
@@ -730,8 +749,9 @@ def main():
help='Display only the NFS statistics')
group.add_argument('-r', '--rpc', action='store_true', dest='rpc_only',
help='Display only the RPC statistics')
- mountstats_parser.add_argument('mountpoints', nargs='+', metavar='mountpoint',
- help='Display statistics for this mountpoint. More than one may be specified.')
+ mountstats_parser.add_argument('mountpoints', nargs='*', metavar='mountpoint',
+ help='Display statistics for this mountpoint. More than one may be specified.'
+ 'If absent, statistics for all NFS mountpoints will be generated.')
mountstats_parser.set_defaults(func=mountstats_command)
args = mountstats_parser.parse_args()
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
