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authorKyle Blatter <[email protected]>2015-01-13 10:28:55 -0800
committerBrian Behlendorf <[email protected]>2015-01-28 11:03:14 -0800
commit65dc685a1db00d741bf75d9df98c8e0e25bf2a71 (patch)
tree98584bbdf1f7f06c89f409e200ee01dfeb235f35 /cmd/arc_summary
parent6427f39fe08a14e30525b060d606c59d257af94a (diff)
Force all lines to be 80 columns
Ensure this script conforms to the projects style guidelines by limiting line length to 80 columns. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Kyle Blatter <[email protected]> Signed-off-by: Ned Bass <[email protected]>
Diffstat (limited to 'cmd/arc_summary')
-rwxr-xr-xcmd/arc_summary/arc_summary.py99
1 files changed, 66 insertions, 33 deletions
diff --git a/cmd/arc_summary/arc_summary.py b/cmd/arc_summary/arc_summary.py
index 2d76df82d..bf84ca446 100755
--- a/cmd/arc_summary/arc_summary.py
+++ b/cmd/arc_summary/arc_summary.py
@@ -83,9 +83,12 @@ def get_Kstat():
"vfs.zfs"
]
Kstat = {}
- load_proc_kstats('/proc/spl/kstat/zfs/arcstats', 'kstat.zfs.misc.arcstats.')
- load_proc_kstats('/proc/spl/kstat/zfs/zfetchstats', 'kstat.zfs.misc.zfetchstats.')
- load_proc_kstats('/proc/spl/kstat/zfs/vdev_cache_stats', 'kstat.zfs.misc.vdev_cache_stats.')
+ load_proc_kstats('/proc/spl/kstat/zfs/arcstats',
+ 'kstat.zfs.misc.arcstats.')
+ load_proc_kstats('/proc/spl/kstat/zfs/zfetchstats',
+ 'kstat.zfs.misc.zfetchstats.')
+ load_proc_kstats('/proc/spl/kstat/zfs/vdev_cache_stats',
+ 'kstat.zfs.misc.vdev_cache_stats.')
return Kstat
@@ -292,15 +295,19 @@ def _arc_summary(Kstat):
sys.stdout.write("ARC Summary: (%s)\n" % arc['health'])
- sys.stdout.write("\tMemory Throttle Count:\t\t\t%s\n" % arc['memory_throttle_count'])
+ sys.stdout.write("\tMemory Throttle Count:\t\t\t%s\n" %
+ arc['memory_throttle_count'])
sys.stdout.write("\n")
### ARC Misc. ###
sys.stdout.write("ARC Misc:\n")
sys.stdout.write("\tDeleted:\t\t\t\t%s\n" % arc['arc_misc']['deleted'])
- sys.stdout.write("\tRecycle Misses:\t\t\t\t%s\n" % arc['arc_misc']['recycle_miss'])
- sys.stdout.write("\tMutex Misses:\t\t\t\t%s\n" % arc['arc_misc']['mutex_miss'])
- sys.stdout.write("\tEvict Skips:\t\t\t\t%s\n" % arc['arc_misc']['mutex_miss'])
+ sys.stdout.write("\tRecycle Misses:\t\t\t\t%s\n" %
+ arc['arc_misc']['recycle_miss'])
+ sys.stdout.write("\tMutex Misses:\t\t\t\t%s\n" %
+ arc['arc_misc']['mutex_miss'])
+ sys.stdout.write("\tEvict Skips:\t\t\t\t%s\n" %
+ arc['arc_misc']['mutex_miss'])
sys.stdout.write("\n")
### ARC Sizing ###
@@ -343,15 +350,19 @@ def _arc_summary(Kstat):
### ARC Hash Breakdown ###
sys.stdout.write("ARC Hash Breakdown:\n")
- sys.stdout.write("\tElements Max:\t\t\t\t%s\n" % arc['arc_hash_break']['elements_max'])
+ sys.stdout.write("\tElements Max:\t\t\t\t%s\n" %
+ arc['arc_hash_break']['elements_max'])
sys.stdout.write("\tElements Current:\t\t%s\t%s\n" % (
arc['arc_hash_break']['elements_current']['per'],
arc['arc_hash_break']['elements_current']['num'],
)
)
- sys.stdout.write("\tCollisions:\t\t\t\t%s\n" % arc['arc_hash_break']['collisions'])
- sys.stdout.write("\tChain Max:\t\t\t\t%s\n" % arc['arc_hash_break']['chain_max'])
- sys.stdout.write("\tChains:\t\t\t\t\t%s\n" % arc['arc_hash_break']['chains'])
+ sys.stdout.write("\tCollisions:\t\t\t\t%s\n" %
+ arc['arc_hash_break']['collisions'])
+ sys.stdout.write("\tChain Max:\t\t\t\t%s\n" %
+ arc['arc_hash_break']['chain_max'])
+ sys.stdout.write("\tChains:\t\t\t\t\t%s\n" %
+ arc['arc_hash_break']['chains'])
def get_arc_efficiency(Kstat):
@@ -480,7 +491,8 @@ def get_arc_efficiency(Kstat):
def _arc_efficiency(Kstat):
arc = get_arc_efficiency(Kstat)
- sys.stdout.write("ARC Total accesses:\t\t\t\t\t%s\n" % arc['total_accesses'])
+ sys.stdout.write("ARC Total accesses:\t\t\t\t\t%s\n" %
+ arc['total_accesses'])
sys.stdout.write("\tCache Hit Ratio:\t\t%s\t%s\n" % (
arc['cache_hit_ratio']['per'],
arc['cache_hit_ratio']['num'],
@@ -690,14 +702,16 @@ def _l2arc_summary(Kstat):
sys.stdout.write("(DEGRADED)\n")
else:
sys.stdout.write("(HEALTHY)\n")
- sys.stdout.write("\tLow Memory Aborts:\t\t\t%s\n" % arc['low_memory_aborts'])
+ sys.stdout.write("\tLow Memory Aborts:\t\t\t%s\n" %
+ arc['low_memory_aborts'])
sys.stdout.write("\tFree on Write:\t\t\t\t%s\n" % arc['free_on_write'])
sys.stdout.write("\tR/W Clashes:\t\t\t\t%s\n" % arc['rw_clashes'])
sys.stdout.write("\tBad Checksums:\t\t\t\t%s\n" % arc['bad_checksums'])
sys.stdout.write("\tIO Errors:\t\t\t\t%s\n" % arc['io_errors'])
sys.stdout.write("\n")
- sys.stdout.write("L2 ARC Size: (Adaptive)\t\t\t\t%s\n" % arc["l2_arc_size"]["adative"])
+ sys.stdout.write("L2 ARC Size: (Adaptive)\t\t\t\t%s\n" %
+ arc["l2_arc_size"]["adative"])
sys.stdout.write("\tCompressed:\t\t\t%s\t%s\n" % (
arc["l2_arc_size"]["actual"]["per"],
arc["l2_arc_size"]["actual"]["num"],
@@ -710,13 +724,17 @@ def _l2arc_summary(Kstat):
)
sys.stdout.write("\n")
- if arc["l2_arc_evicts"]['lock_retries'] + arc["l2_arc_evicts"]["reading"] > 0:
+ if arc["l2_arc_evicts"]['lock_retries'] + \
+ arc["l2_arc_evicts"]["reading"] > 0:
sys.stdout.write("L2 ARC Evicts:\n")
- sys.stdout.write("\tLock Retries:\t\t\t\t%s\n" % arc["l2_arc_evicts"]['lock_retries'])
- sys.stdout.write("\tUpon Reading:\t\t\t\t%s\n" % arc["l2_arc_evicts"]["reading"])
+ sys.stdout.write("\tLock Retries:\t\t\t\t%s\n" %
+ arc["l2_arc_evicts"]['lock_retries'])
+ sys.stdout.write("\tUpon Reading:\t\t\t\t%s\n" %
+ arc["l2_arc_evicts"]["reading"])
sys.stdout.write("\n")
- sys.stdout.write("L2 ARC Breakdown:\t\t\t\t%s\n" % arc['l2_arc_breakdown']['value'])
+ sys.stdout.write("L2 ARC Breakdown:\t\t\t\t%s\n" %
+ arc['l2_arc_breakdown']['value'])
sys.stdout.write("\tHit Ratio:\t\t\t%s\t%s\n" % (
arc['l2_arc_breakdown']['hit_ratio']['per'],
arc['l2_arc_breakdown']['hit_ratio']['num'],
@@ -729,7 +747,8 @@ def _l2arc_summary(Kstat):
)
)
- sys.stdout.write("\tFeeds:\t\t\t\t\t%s\n" % arc['l2_arc_breakdown']['feeds'])
+ sys.stdout.write("\tFeeds:\t\t\t\t\t%s\n" %
+ arc['l2_arc_breakdown']['feeds'])
sys.stdout.write("\n")
sys.stdout.write("L2 ARC Writes:\n")
@@ -762,12 +781,16 @@ def get_dmu_summary(Kstat):
zfetch_bogus_streams = Kstat["kstat.zfs.misc.zfetchstats.bogus_streams"]
zfetch_colinear_hits = Kstat["kstat.zfs.misc.zfetchstats.colinear_hits"]
- zfetch_colinear_misses = Kstat["kstat.zfs.misc.zfetchstats.colinear_misses"]
+ zfetch_colinear_misses = \
+ Kstat["kstat.zfs.misc.zfetchstats.colinear_misses"]
zfetch_hits = Kstat["kstat.zfs.misc.zfetchstats.hits"]
zfetch_misses = Kstat["kstat.zfs.misc.zfetchstats.misses"]
- zfetch_reclaim_failures = Kstat["kstat.zfs.misc.zfetchstats.reclaim_failures"]
- zfetch_reclaim_successes = Kstat["kstat.zfs.misc.zfetchstats.reclaim_successes"]
- zfetch_streams_noresets = Kstat["kstat.zfs.misc.zfetchstats.streams_noresets"]
+ zfetch_reclaim_failures = \
+ Kstat["kstat.zfs.misc.zfetchstats.reclaim_failures"]
+ zfetch_reclaim_successes = \
+ Kstat["kstat.zfs.misc.zfetchstats.reclaim_successes"]
+ zfetch_streams_noresets = \
+ Kstat["kstat.zfs.misc.zfetchstats.streams_noresets"]
zfetch_streams_resets = Kstat["kstat.zfs.misc.zfetchstats.streams_resets"]
zfetch_stride_hits = Kstat["kstat.zfs.misc.zfetchstats.stride_hits"]
zfetch_stride_misses = Kstat["kstat.zfs.misc.zfetchstats.stride_misses"]
@@ -776,7 +799,8 @@ def get_dmu_summary(Kstat):
zfetch_colinear_total = (zfetch_colinear_hits + zfetch_colinear_misses)
zfetch_health_count = (zfetch_bogus_streams)
zfetch_reclaim_total = (zfetch_reclaim_successes + zfetch_reclaim_failures)
- zfetch_streams_total = (zfetch_streams_resets + zfetch_streams_noresets + zfetch_bogus_streams)
+ zfetch_streams_total = (zfetch_streams_resets + zfetch_streams_noresets +
+ zfetch_bogus_streams)
zfetch_stride_total = (zfetch_stride_hits + zfetch_stride_misses)
output['zfetch_access_total'] = zfetch_access_total
@@ -859,10 +883,12 @@ def _dmu_summary(Kstat):
arc = get_dmu_summary(Kstat)
if arc['zfetch_access_total'] > 0:
- sys.stdout.write("File-Level Prefetch: (%s)" % arc['file_level_prefetch']['health'])
+ sys.stdout.write("File-Level Prefetch: (%s)" %
+ arc['file_level_prefetch']['health'])
sys.stdout.write("\n")
- sys.stdout.write("DMU Efficiency:\t\t\t\t\t%s\n" % arc['dmu']['efficiency']['value'])
+ sys.stdout.write("DMU Efficiency:\t\t\t\t\t%s\n" %
+ arc['dmu']['efficiency']['value'])
sys.stdout.write("\tHit Ratio:\t\t\t%s\t%s\n" % (
arc['dmu']['efficiency']['hit_ratio']['per'],
arc['dmu']['efficiency']['hit_ratio']['num'],
@@ -876,7 +902,8 @@ def _dmu_summary(Kstat):
sys.stdout.write("\n")
- sys.stdout.write("\tColinear:\t\t\t\t%s\n" % arc['dmu']['colinear']['value'])
+ sys.stdout.write("\tColinear:\t\t\t\t%s\n" %
+ arc['dmu']['colinear']['value'])
sys.stdout.write("\t Hit Ratio:\t\t\t%s\t%s\n" % (
arc['dmu']['colinear']['hit_ratio']['per'],
arc['dmu']['colinear']['hit_ratio']['num'],
@@ -891,7 +918,8 @@ def _dmu_summary(Kstat):
sys.stdout.write("\n")
- sys.stdout.write("\tStride:\t\t\t\t\t%s\n" % arc['dmu']['stride']['value'])
+ sys.stdout.write("\tStride:\t\t\t\t\t%s\n" %
+ arc['dmu']['stride']['value'])
sys.stdout.write("\t Hit Ratio:\t\t\t%s\t%s\n" % (
arc['dmu']['stride']['hit_ratio']['per'],
arc['dmu']['stride']['hit_ratio']['num'],
@@ -907,7 +935,8 @@ def _dmu_summary(Kstat):
sys.stdout.write("\n")
sys.stdout.write("DMU Misc: %s\n" % arc['dmu_misc']['status'])
- sys.stdout.write("\tReclaim:\t\t\t\t%s\n" % arc['dmu_misc']['reclaim']['value'])
+ sys.stdout.write("\tReclaim:\t\t\t\t%s\n" %
+ arc['dmu_misc']['reclaim']['value'])
sys.stdout.write("\t Successes:\t\t\t%s\t%s\n" % (
arc['dmu_misc']['reclaim']['successes']['per'],
arc['dmu_misc']['reclaim']['successes']['num'],
@@ -920,7 +949,8 @@ def _dmu_summary(Kstat):
)
)
- sys.stdout.write("\n\tStreams:\t\t\t\t%s\n" % arc['dmu_misc']['streams']['value'])
+ sys.stdout.write("\n\tStreams:\t\t\t\t%s\n" %
+ arc['dmu_misc']['streams']['value'])
sys.stdout.write("\t +Resets:\t\t\t%s\t%s\n" % (
arc['dmu_misc']['streams']['plus_resets']['per'],
arc['dmu_misc']['streams']['plus_resets']['num'],
@@ -933,16 +963,19 @@ def _dmu_summary(Kstat):
)
)
- sys.stdout.write("\t Bogus:\t\t\t\t%s\n" % arc['dmu_misc']['streams']['bogus'])
+ sys.stdout.write("\t Bogus:\t\t\t\t%s\n" %
+ arc['dmu_misc']['streams']['bogus'])
def get_vdev_summary(Kstat):
output = {}
- vdev_cache_delegations = Kstat["kstat.zfs.misc.vdev_cache_stats.delegations"]
+ vdev_cache_delegations = \
+ Kstat["kstat.zfs.misc.vdev_cache_stats.delegations"]
vdev_cache_misses = Kstat["kstat.zfs.misc.vdev_cache_stats.misses"]
vdev_cache_hits = Kstat["kstat.zfs.misc.vdev_cache_stats.hits"]
- vdev_cache_total = (vdev_cache_misses + vdev_cache_hits + vdev_cache_delegations)
+ vdev_cache_total = (vdev_cache_misses + vdev_cache_hits +
+ vdev_cache_delegations)
output['vdev_cache_total'] = vdev_cache_total