-#!/usr/bin/env python
+#!/usr/bin/python
# -*- python-mode -*-
"""Emulate iostat for NFS mount points using /proc/self/mountstats
"""
self.__rpc_data['badxids'] = int(words[9])
self.__rpc_data['inflightsends'] = long(words[10])
self.__rpc_data['backlogutil'] = long(words[11])
+ elif words[1] == 'rdma':
+ self.__rpc_data['port'] = words[2]
+ self.__rpc_data['bind_count'] = int(words[3])
+ self.__rpc_data['connect_count'] = int(words[4])
+ self.__rpc_data['connect_time'] = int(words[5])
+ self.__rpc_data['idle_time'] = int(words[6])
+ self.__rpc_data['rpcsends'] = int(words[7])
+ self.__rpc_data['rpcreceives'] = int(words[8])
+ self.__rpc_data['badxids'] = int(words[9])
+ self.__rpc_data['backlogutil'] = int(words[10])
+ self.__rpc_data['read_chunks'] = int(words[11])
+ self.__rpc_data['write_chunks'] = int(words[12])
+ self.__rpc_data['reply_chunks'] = int(words[13])
+ self.__rpc_data['total_rdma_req'] = int(words[14])
+ self.__rpc_data['total_rdma_rep'] = int(words[15])
+ self.__rpc_data['pullup'] = int(words[16])
+ self.__rpc_data['fixup'] = int(words[17])
+ self.__rpc_data['hardway'] = int(words[18])
+ self.__rpc_data['failed_marshal'] = int(words[19])
+ self.__rpc_data['bad_reply'] = int(words[20])
elif words[0] == 'per-op':
self.__rpc_data['per-op'] = words
else:
op += ':'
print '%s' % op.lower().ljust(15),
- print ' ops/s\t\t Kb/s\t\t Kb/op\t\tretrans\t\tavg RTT (ms)\tavg exe (ms)'
+ print ' ops/s\t\t kB/s\t\t kB/op\t\tretrans\t\tavg RTT (ms)\tavg exe (ms)'
print '\t\t%7.3f' % (ops / sample_time),
print '\t%7.3f' % (kilobytes / sample_time),
return ms_dict
def print_iostat_summary(old, new, devices, time, ac):
- for device in devices:
+ if old:
+ # Trim device list to only include intersection of old and new data,
+ # this addresses umounts due to autofs mountpoints
+ devicelist = filter(lambda x:x in devices,old)
+ else:
+ devicelist = devices
+
+ for device in devicelist:
stats = DeviceData()
stats.parse_stats(new[device])
if not old:
diff_stats = stats.compare_iostats(old_stats)
diff_stats.display_iostats(time, ac)
+def list_nfs_mounts(givenlist, mountstats):
+ """return a list of NFS mounts given a list to validate or
+ return a full list if the given list is empty -
+ may return an empty list if none found
+ """
+ list = []
+ if len(givenlist) > 0:
+ for device in givenlist:
+ stats = DeviceData()
+ stats.parse_stats(mountstats[device])
+ if stats.is_nfs_mountpoint():
+ list += [device]
+ else:
+ for device, descr in mountstats.iteritems():
+ stats = DeviceData()
+ stats.parse_stats(descr)
+ if stats.is_nfs_mountpoint():
+ list += [device]
+ return list
+
def iostat_command(name):
"""iostat-like command for NFS mount points
"""
mountstats = parse_stats_file('/proc/self/mountstats')
devices = []
+ origdevices = []
which = 0
interval_seen = False
count_seen = False
continue
if arg in mountstats:
- devices += [arg]
+ origdevices += [arg]
elif not interval_seen:
interval = int(arg)
if interval > 0:
return
# make certain devices contains only NFS mount points
- if len(devices) > 0:
- check = []
- for device in devices:
- stats = DeviceData()
- stats.parse_stats(mountstats[device])
- if stats.is_nfs_mountpoint():
- check += [device]
- devices = check
- else:
- for device, descr in mountstats.iteritems():
- stats = DeviceData()
- stats.parse_stats(descr)
- if stats.is_nfs_mountpoint():
- devices += [device]
+ devices = list_nfs_mounts(origdevices, mountstats)
if len(devices) == 0:
print 'No NFS mount points were found'
return
+
old_mountstats = None
sample_time = 0.0
time.sleep(interval)
sample_time = interval
mountstats = parse_stats_file('/proc/self/mountstats')
+ # automount mountpoints add and drop, if automount is involved
+ # we need to recheck the devices list when reparsing
+ devices = list_nfs_mounts(origdevices,mountstats)
+ if len(devices) == 0:
+ print 'No NFS mount points were found'
+ return
count -= 1
else:
while True:
time.sleep(interval)
sample_time = interval
mountstats = parse_stats_file('/proc/self/mountstats')
+ # automount mountpoints add and drop, if automount is involved
+ # we need to recheck the devices list when reparsing
+ devices = list_nfs_mounts(origdevices,mountstats)
+ if len(devices) == 0:
+ print 'No NFS mount points were found'
+ return
#
# Main