243 lines
9.3 KiB
Diff
243 lines
9.3 KiB
Diff
26f8410d mountstats/nfsiostat: merge and rework the infinite and counted loops
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21238e5c mountstats/nfsiostat: Move the checks for empty mountpoint list into the print function
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1bd30a9d nfsiostat: make comment explain mount/unmount more broadly
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2b9251ed nfsiostat: fix crash when filtering mountstats after unmount
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9836adbc nfsiostat: mirror how mountstats iostat prints the stats
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936a19cc mountstats/nfsiostat: add a function to return the fstype
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155c5343 nfsiostat: skip argv[0] when parsing command-line
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39f57998 nfsiostat/mountstats: handle KeyError in compare_iostats()
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c4c14011 nfsiostat: replace 'list' reserved word
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diff --git a/tools/nfs-iostat/nfs-iostat.py b/tools/nfs-iostat/nfs-iostat.py
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index 7cbe543c..dec0e861 100644
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--- a/tools/nfs-iostat/nfs-iostat.py
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+++ b/tools/nfs-iostat/nfs-iostat.py
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@@ -493,20 +493,20 @@ def list_nfs_mounts(givenlist, mountstats):
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return a full list if the given list is empty -
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may return an empty list if none found
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"""
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- list = []
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+ devicelist = []
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if len(givenlist) > 0:
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for device in givenlist:
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stats = DeviceData()
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stats.parse_stats(mountstats[device])
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if stats.is_nfs_mountpoint():
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- list += [device]
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+ devicelist += [device]
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else:
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for device, descr in mountstats.items():
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stats = DeviceData()
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stats.parse_stats(descr)
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if stats.is_nfs_mountpoint():
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- list += [device]
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- return list
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+ devicelist += [device]
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+ return devicelist
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def iostat_command(name):
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"""iostat-like command for NFS mount points
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diff --git a/tools/mountstats/mountstats.py b/tools/mountstats/mountstats.py
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index 014f38a3..1054f698 100755
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--- a/tools/mountstats/mountstats.py
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+++ b/tools/mountstats/mountstats.py
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@@ -560,7 +560,10 @@ class DeviceData:
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# the reference to them. so we build new lists here
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# for the result object.
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for op in result.__rpc_data['ops']:
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- result.__rpc_data[op] = list(map(difference, self.__rpc_data[op], old_stats.__rpc_data[op]))
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+ try:
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+ result.__rpc_data[op] = list(map(difference, self.__rpc_data[op], old_stats.__rpc_data[op]))
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+ except KeyError:
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+ continue
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# update the remaining keys
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if protocol == 'udp':
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diff --git a/tools/nfs-iostat/nfs-iostat.py b/tools/nfs-iostat/nfs-iostat.py
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index b7e98a2a..5556f692 100755
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--- a/tools/nfs-iostat/nfs-iostat.py
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+++ b/tools/nfs-iostat/nfs-iostat.py
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@@ -213,8 +213,11 @@ class DeviceData:
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# the reference to them. so we build new lists here
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# for the result object.
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for op in result.__rpc_data['ops']:
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- result.__rpc_data[op] = list(map(
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- difference, self.__rpc_data[op], old_stats.__rpc_data[op]))
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+ try:
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+ result.__rpc_data[op] = list(map(
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+ difference, self.__rpc_data[op], old_stats.__rpc_data[op]))
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+ except KeyError:
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+ continue
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# update the remaining keys we care about
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result.__rpc_data['rpcsends'] -= old_stats.__rpc_data['rpcsends']
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diff --git a/tools/nfs-iostat/nfs-iostat.py b/tools/nfs-iostat/nfs-iostat.py
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index 85294fb9..e46b1a83 100755
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--- a/tools/nfs-iostat/nfs-iostat.py
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+++ b/tools/nfs-iostat/nfs-iostat.py
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@@ -187,6 +187,11 @@ class DeviceData:
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found = True
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self.__parse_rpc_line(words)
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+ def fstype(self):
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+ """Return the fstype for the mountpoint
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+ """
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+ return self.__nfs_data['fstype']
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+
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def is_nfs_mountpoint(self):
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"""Return True if this is an NFS or NFSv4 mountpoint,
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otherwise return False
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@@ -471,41 +476,31 @@ def parse_stats_file(filename):
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return ms_dict
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def print_iostat_summary(old, new, devices, time, options):
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- stats = {}
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- diff_stats = {}
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- devicelist = []
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- if old:
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- # Trim device list to only include intersection of old and new data,
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- # this addresses umounts due to autofs mountpoints
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- for device in devices:
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- if "fstype autofs" not in str(old[device]):
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- devicelist.append(device)
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- else:
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- devicelist = devices
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+ display_stats = {}
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+
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+ if len(devices) == 0:
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+ print('No NFS mount points were found')
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+ return
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- for device in devicelist:
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- stats[device] = DeviceData()
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- stats[device].parse_stats(new[device])
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- if old:
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+ for device in devices:
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+ stats = DeviceData()
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+ stats.parse_stats(new[device])
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+ if old and device in old:
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old_stats = DeviceData()
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old_stats.parse_stats(old[device])
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- diff_stats[device] = stats[device].compare_iostats(old_stats)
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+ if stats.fstype() == old_stats.fstype():
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+ display_stats[device] = stats.compare_iostats(old_stats)
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+ else: # device is in old, but fstypes are different
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+ display_stats[device] = stats
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+ else: # device is only in new
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+ display_stats[device] = stats
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if options.sort:
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- if old:
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- # We now have compared data and can print a comparison
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- # ordered by mountpoint ops per second
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- devicelist.sort(key=lambda x: diff_stats[x].ops(time), reverse=True)
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- else:
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- # First iteration, just sort by newly parsed ops/s
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- devicelist.sort(key=lambda x: stats[x].ops(time), reverse=True)
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+ devices.sort(key=lambda x: display_stats[x].ops(time), reverse=True)
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count = 1
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- for device in devicelist:
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- if old:
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- diff_stats[device].display_iostats(time, options.which)
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- else:
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- stats[device].display_iostats(time, options.which)
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+ for device in devices:
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+ display_stats[device].display_iostats(time, options.which)
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count += 1
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if (count > options.list):
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@@ -520,10 +515,11 @@ def list_nfs_mounts(givenlist, mountstats):
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devicelist = []
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if len(givenlist) > 0:
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for device in givenlist:
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- stats = DeviceData()
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- stats.parse_stats(mountstats[device])
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- if stats.is_nfs_mountpoint():
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- devicelist += [device]
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+ if device in mountstats:
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+ stats = DeviceData()
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+ stats.parse_stats(mountstats[device])
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+ if stats.is_nfs_mountpoint():
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+ devicelist += [device]
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else:
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for device, descr in mountstats.items():
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stats = DeviceData()
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@@ -592,11 +588,7 @@ client are listed.
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parser.add_option_group(displaygroup)
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(options, args) = parser.parse_args(sys.argv)
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- for arg in args:
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-
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- if arg == sys.argv[0]:
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- continue
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-
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+ for arg in args[1:]:
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if arg in mountstats:
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origdevices += [arg]
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elif not interval_seen:
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@@ -622,47 +614,29 @@ client are listed.
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print('Illegal <count> value %s' % arg)
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return
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- # make certain devices contains only NFS mount points
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- devices = list_nfs_mounts(origdevices, mountstats)
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- if len(devices) == 0:
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- print('No NFS mount points were found')
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- return
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-
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-
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old_mountstats = None
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sample_time = 0.0
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+ # make certain devices contains only NFS mount points
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+ devices = list_nfs_mounts(origdevices, mountstats)
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+ print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
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+
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if not interval_seen:
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- print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
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return
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- if count_seen:
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- while count != 0:
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- print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
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- old_mountstats = mountstats
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- time.sleep(interval)
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- sample_time = interval
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- mountstats = parse_stats_file('/proc/self/mountstats')
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- # automount mountpoints add and drop, if automount is involved
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- # we need to recheck the devices list when reparsing
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- devices = list_nfs_mounts(origdevices,mountstats)
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- if len(devices) == 0:
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- print('No NFS mount points were found')
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- return
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+ while True:
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+ if count_seen:
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count -= 1
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- else:
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- while True:
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- print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
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- old_mountstats = mountstats
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- time.sleep(interval)
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- sample_time = interval
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- mountstats = parse_stats_file('/proc/self/mountstats')
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- # automount mountpoints add and drop, if automount is involved
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- # we need to recheck the devices list when reparsing
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- devices = list_nfs_mounts(origdevices,mountstats)
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- if len(devices) == 0:
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- print('No NFS mount points were found')
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- return
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+ if count == 0:
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+ break
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+ time.sleep(interval)
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+ old_mountstats = mountstats
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+ sample_time = interval
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+ mountstats = parse_stats_file('/proc/self/mountstats')
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+ # nfs mountpoints may appear or disappear, so we need to
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+ # recheck the devices list each time we parse mountstats
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+ devices = list_nfs_mounts(origdevices, mountstats)
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+ print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options)
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#
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# Main
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