update arc_summary arcstat patch with new introduced values
ZFS 2.2.4 added new kstats for speculative prefetch in: 026fe796465e3da7b27d06ef5338634ee6dd30d8 Adapt our patch introduced with ZFS 2.1 (for the then added MFU/MRU stats), to also deal with the now introduced values not being present (because an old kernel-module does not offer them). Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com> Reviewed-by: Max Carrara <m.carrara@proxmox.com> Tested-by: Max Carrara <m.carrara@proxmox.com> Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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							| @ -0,0 +1,438 @@ | |||||||
|  | From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 | ||||||
|  | From: Thomas Lamprecht <t.lamprecht@proxmox.com> | ||||||
|  | Date: Wed, 10 Nov 2021 09:29:47 +0100 | ||||||
|  | Subject: [PATCH] arc stat/summary: guard access to freshly introduced stats | ||||||
|  | 
 | ||||||
|  | l2arc MFU/MRU and zfetch past future and stride stats were introduced | ||||||
|  | in 2.1 and 2.2.4 respectively: | ||||||
|  | 
 | ||||||
|  | commit 085321621e79a75bea41c2b6511da6ebfbf2ba0a added printing MFU | ||||||
|  | and MRU stats for 2.1 user space tools, but those keys are not | ||||||
|  | available in the 2.0 module. That means it may break the arcstat and | ||||||
|  | arc_summary tools after upgrade to 2.1 (user space), before a reboot | ||||||
|  | to the new 2.1 ZFS kernel-module happened, due to python raising a | ||||||
|  | KeyError on the dict access then. | ||||||
|  | 
 | ||||||
|  | Move those two keys to a .get accessor with `0` as fallback, as it | ||||||
|  | should be better to show some possible wrong data for new stat-keys | ||||||
|  | than throwing an exception. | ||||||
|  | 
 | ||||||
|  | also move l2_mfu_asize  l2_mru_asize l2_prefetch_asize | ||||||
|  | l2_bufc_data_asize l2_bufc_metadata_asize to .get accessor | ||||||
|  | (these are only present with a cache device in the pool) | ||||||
|  | 
 | ||||||
|  | guard access to iohits and uncached state introduced in | ||||||
|  | 792a6ee462efc15a7614f27e13f0f8aaa9414a08 | ||||||
|  | 
 | ||||||
|  | guard access to zfetch past future stride stats introduced in | ||||||
|  | 026fe796465e3da7b27d06ef5338634ee6dd30d8 | ||||||
|  | 
 | ||||||
|  | These are present in the current kernel, but lead to an exception, if | ||||||
|  | running the new user-space with an old kernel module. | ||||||
|  | 
 | ||||||
|  | Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com> | ||||||
|  | ---
 | ||||||
|  |  cmd/arc_summary | 132 ++++++++++++++++++++++++------------------------ | ||||||
|  |  cmd/arcstat.in  |  48 +++++++++--------- | ||||||
|  |  2 files changed, 90 insertions(+), 90 deletions(-) | ||||||
|  | 
 | ||||||
|  | diff --git a/cmd/arc_summary b/cmd/arc_summary
 | ||||||
|  | index 100fb1987..30f5d23e9 100755
 | ||||||
|  | --- a/cmd/arc_summary
 | ||||||
|  | +++ b/cmd/arc_summary
 | ||||||
|  | @@ -551,21 +551,21 @@ def section_arc(kstats_dict):
 | ||||||
|  |      arc_target_size = arc_stats['c'] | ||||||
|  |      arc_max = arc_stats['c_max'] | ||||||
|  |      arc_min = arc_stats['c_min'] | ||||||
|  | -    meta = arc_stats['meta']
 | ||||||
|  | -    pd = arc_stats['pd']
 | ||||||
|  | -    pm = arc_stats['pm']
 | ||||||
|  | -    anon_data = arc_stats['anon_data']
 | ||||||
|  | -    anon_metadata = arc_stats['anon_metadata']
 | ||||||
|  | -    mfu_data = arc_stats['mfu_data']
 | ||||||
|  | -    mfu_metadata = arc_stats['mfu_metadata']
 | ||||||
|  | -    mru_data = arc_stats['mru_data']
 | ||||||
|  | -    mru_metadata = arc_stats['mru_metadata']
 | ||||||
|  | -    mfug_data = arc_stats['mfu_ghost_data']
 | ||||||
|  | -    mfug_metadata = arc_stats['mfu_ghost_metadata']
 | ||||||
|  | -    mrug_data = arc_stats['mru_ghost_data']
 | ||||||
|  | -    mrug_metadata = arc_stats['mru_ghost_metadata']
 | ||||||
|  | -    unc_data = arc_stats['uncached_data']
 | ||||||
|  | -    unc_metadata = arc_stats['uncached_metadata']
 | ||||||
|  | +    meta = arc_stats.get('meta', 0)
 | ||||||
|  | +    pd = arc_stats.get('pd', 0)
 | ||||||
|  | +    pm = arc_stats.get('pm', 0)
 | ||||||
|  | +    anon_data = arc_stats.get('anon_data', 0)
 | ||||||
|  | +    anon_metadata = arc_stats.get('anon_metadata', 0)
 | ||||||
|  | +    mfu_data = arc_stats.get('mfu_data', 0)
 | ||||||
|  | +    mfu_metadata = arc_stats.get('mfu_metadata', 0)
 | ||||||
|  | +    mru_data = arc_stats.get('mru_data', 0)
 | ||||||
|  | +    mru_metadata = arc_stats.get('mru_metadata', 0)
 | ||||||
|  | +    mfug_data = arc_stats.get('mfu_ghost_data', 0)
 | ||||||
|  | +    mfug_metadata = arc_stats.get('mfu_ghost_metadata', 0)
 | ||||||
|  | +    mrug_data = arc_stats.get('mru_ghost_data', 0)
 | ||||||
|  | +    mrug_metadata = arc_stats.get('mru_ghost_metadata', 0)
 | ||||||
|  | +    unc_data = arc_stats.get('uncached_data', 0)
 | ||||||
|  | +    unc_metadata = arc_stats.get('uncached_metadata', 0)
 | ||||||
|  |      bonus_size = arc_stats['bonus_size'] | ||||||
|  |      dnode_limit = arc_stats['arc_dnode_limit'] | ||||||
|  |      dnode_size = arc_stats['dnode_size'] | ||||||
|  | @@ -655,13 +655,13 @@ def section_arc(kstats_dict):
 | ||||||
|  |      prt_i1('L2 cached evictions:', f_bytes(arc_stats['evict_l2_cached'])) | ||||||
|  |      prt_i1('L2 eligible evictions:', f_bytes(arc_stats['evict_l2_eligible'])) | ||||||
|  |      prt_i2('L2 eligible MFU evictions:', | ||||||
|  | -           f_perc(arc_stats['evict_l2_eligible_mfu'],
 | ||||||
|  | +           f_perc(arc_stats.get('evict_l2_eligible_mfu', 0), # 2.0 module compat
 | ||||||
|  |             arc_stats['evict_l2_eligible']), | ||||||
|  | -           f_bytes(arc_stats['evict_l2_eligible_mfu']))
 | ||||||
|  | +           f_bytes(arc_stats.get('evict_l2_eligible_mfu', 0)))
 | ||||||
|  |      prt_i2('L2 eligible MRU evictions:', | ||||||
|  | -           f_perc(arc_stats['evict_l2_eligible_mru'],
 | ||||||
|  | +           f_perc(arc_stats.get('evict_l2_eligible_mru', 0), # 2.0 module compat
 | ||||||
|  |             arc_stats['evict_l2_eligible']), | ||||||
|  | -           f_bytes(arc_stats['evict_l2_eligible_mru']))
 | ||||||
|  | +           f_bytes(arc_stats.get('evict_l2_eligible_mru', 0)))
 | ||||||
|  |      prt_i1('L2 ineligible evictions:', | ||||||
|  |             f_bytes(arc_stats['evict_l2_ineligible'])) | ||||||
|  |      print() | ||||||
|  | @@ -672,106 +672,106 @@ def section_archits(kstats_dict):
 | ||||||
|  |      """ | ||||||
|  |   | ||||||
|  |      arc_stats = isolate_section('arcstats', kstats_dict) | ||||||
|  | -    all_accesses = int(arc_stats['hits'])+int(arc_stats['iohits'])+\
 | ||||||
|  | +    all_accesses = int(arc_stats['hits'])+int(arc_stats.get('iohits', 0))+\
 | ||||||
|  |          int(arc_stats['misses']) | ||||||
|  |   | ||||||
|  |      prt_1('ARC total accesses:', f_hits(all_accesses)) | ||||||
|  |      ta_todo = (('Total hits:', arc_stats['hits']), | ||||||
|  | -               ('Total I/O hits:', arc_stats['iohits']),
 | ||||||
|  | +               ('Total I/O hits:', arc_stats.get('iohits', 0)),
 | ||||||
|  |                 ('Total misses:', arc_stats['misses'])) | ||||||
|  |      for title, value in ta_todo: | ||||||
|  |          prt_i2(title, f_perc(value, all_accesses), f_hits(value)) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  |      dd_total = int(arc_stats['demand_data_hits']) +\ | ||||||
|  | -        int(arc_stats['demand_data_iohits']) +\
 | ||||||
|  | +        int(arc_stats.get('demand_data_iohits', 0)) +\
 | ||||||
|  |          int(arc_stats['demand_data_misses']) | ||||||
|  |      prt_2('ARC demand data accesses:', f_perc(dd_total, all_accesses), | ||||||
|  |           f_hits(dd_total)) | ||||||
|  |      dd_todo = (('Demand data hits:', arc_stats['demand_data_hits']), | ||||||
|  | -               ('Demand data I/O hits:', arc_stats['demand_data_iohits']),
 | ||||||
|  | +               ('Demand data I/O hits:', arc_stats.get('demand_data_iohits', 0)),
 | ||||||
|  |                 ('Demand data misses:', arc_stats['demand_data_misses'])) | ||||||
|  |      for title, value in dd_todo: | ||||||
|  |          prt_i2(title, f_perc(value, dd_total), f_hits(value)) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  |      dm_total = int(arc_stats['demand_metadata_hits']) +\ | ||||||
|  | -        int(arc_stats['demand_metadata_iohits']) +\
 | ||||||
|  | +        int(arc_stats.get('demand_metadata_iohits', 0)) +\
 | ||||||
|  |          int(arc_stats['demand_metadata_misses']) | ||||||
|  |      prt_2('ARC demand metadata accesses:', f_perc(dm_total, all_accesses), | ||||||
|  |            f_hits(dm_total)) | ||||||
|  |      dm_todo = (('Demand metadata hits:', arc_stats['demand_metadata_hits']), | ||||||
|  |                 ('Demand metadata I/O hits:', | ||||||
|  | -                arc_stats['demand_metadata_iohits']),
 | ||||||
|  | +                arc_stats.get('demand_metadata_iohits', 0)),
 | ||||||
|  |                 ('Demand metadata misses:', arc_stats['demand_metadata_misses'])) | ||||||
|  |      for title, value in dm_todo: | ||||||
|  |          prt_i2(title, f_perc(value, dm_total), f_hits(value)) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  |      pd_total = int(arc_stats['prefetch_data_hits']) +\ | ||||||
|  | -        int(arc_stats['prefetch_data_iohits']) +\
 | ||||||
|  | +        int(arc_stats.get('prefetch_data_iohits', 0)) +\
 | ||||||
|  |          int(arc_stats['prefetch_data_misses']) | ||||||
|  |      prt_2('ARC prefetch data accesses:', f_perc(pd_total, all_accesses), | ||||||
|  |            f_hits(pd_total)) | ||||||
|  |      pd_todo = (('Prefetch data hits:', arc_stats['prefetch_data_hits']), | ||||||
|  | -               ('Prefetch data I/O hits:', arc_stats['prefetch_data_iohits']),
 | ||||||
|  | +               ('Prefetch data I/O hits:', arc_stats.get('prefetch_data_iohits', 0)),
 | ||||||
|  |                 ('Prefetch data misses:', arc_stats['prefetch_data_misses'])) | ||||||
|  |      for title, value in pd_todo: | ||||||
|  |          prt_i2(title, f_perc(value, pd_total), f_hits(value)) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  |      pm_total = int(arc_stats['prefetch_metadata_hits']) +\ | ||||||
|  | -        int(arc_stats['prefetch_metadata_iohits']) +\
 | ||||||
|  | +        int(arc_stats.get('prefetch_metadata_iohits', 0)) +\
 | ||||||
|  |          int(arc_stats['prefetch_metadata_misses']) | ||||||
|  |      prt_2('ARC prefetch metadata accesses:', f_perc(pm_total, all_accesses), | ||||||
|  |            f_hits(pm_total)) | ||||||
|  |      pm_todo = (('Prefetch metadata hits:', | ||||||
|  |                  arc_stats['prefetch_metadata_hits']), | ||||||
|  |                 ('Prefetch metadata I/O hits:', | ||||||
|  | -                arc_stats['prefetch_metadata_iohits']),
 | ||||||
|  | +                arc_stats.get('prefetch_metadata_iohits', 0)),
 | ||||||
|  |                 ('Prefetch metadata misses:', | ||||||
|  |                  arc_stats['prefetch_metadata_misses'])) | ||||||
|  |      for title, value in pm_todo: | ||||||
|  |          prt_i2(title, f_perc(value, pm_total), f_hits(value)) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  | -    all_prefetches = int(arc_stats['predictive_prefetch'])+\
 | ||||||
|  | -        int(arc_stats['prescient_prefetch'])
 | ||||||
|  | +    all_prefetches = int(arc_stats.get('predictive_prefetch', 0))+\
 | ||||||
|  | +        int(arc_stats.get('prescient_prefetch', 0))
 | ||||||
|  |      prt_2('ARC predictive prefetches:', | ||||||
|  | -           f_perc(arc_stats['predictive_prefetch'], all_prefetches),
 | ||||||
|  | -           f_hits(arc_stats['predictive_prefetch']))
 | ||||||
|  | +           f_perc(arc_stats.get('predictive_prefetch', 0), all_prefetches),
 | ||||||
|  | +           f_hits(arc_stats.get('predictive_prefetch', 0)))
 | ||||||
|  |      prt_i2('Demand hits after predictive:', | ||||||
|  |             f_perc(arc_stats['demand_hit_predictive_prefetch'], | ||||||
|  | -                  arc_stats['predictive_prefetch']),
 | ||||||
|  | +                  arc_stats.get('predictive_prefetch', 0)),
 | ||||||
|  |             f_hits(arc_stats['demand_hit_predictive_prefetch'])) | ||||||
|  |      prt_i2('Demand I/O hits after predictive:', | ||||||
|  | -           f_perc(arc_stats['demand_iohit_predictive_prefetch'],
 | ||||||
|  | -                  arc_stats['predictive_prefetch']),
 | ||||||
|  | -           f_hits(arc_stats['demand_iohit_predictive_prefetch']))
 | ||||||
|  | -    never = int(arc_stats['predictive_prefetch']) -\
 | ||||||
|  | +           f_perc(arc_stats.get('demand_iohit_predictive_prefetch', 0),
 | ||||||
|  | +                  arc_stats.get('predictive_prefetch', 0)),
 | ||||||
|  | +           f_hits(arc_stats.get('demand_iohit_predictive_prefetch', 0)))
 | ||||||
|  | +    never = int(arc_stats.get('predictive_prefetch', 0)) -\
 | ||||||
|  |          int(arc_stats['demand_hit_predictive_prefetch']) -\ | ||||||
|  | -        int(arc_stats['demand_iohit_predictive_prefetch'])
 | ||||||
|  | +        int(arc_stats.get('demand_iohit_predictive_prefetch', 0))
 | ||||||
|  |      prt_i2('Never demanded after predictive:', | ||||||
|  | -           f_perc(never, arc_stats['predictive_prefetch']),
 | ||||||
|  | +           f_perc(never, arc_stats.get('predictive_prefetch', 0)),
 | ||||||
|  |             f_hits(never)) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  |      prt_2('ARC prescient prefetches:', | ||||||
|  | -           f_perc(arc_stats['prescient_prefetch'], all_prefetches),
 | ||||||
|  | -           f_hits(arc_stats['prescient_prefetch']))
 | ||||||
|  | +           f_perc(arc_stats.get('prescient_prefetch', 0), all_prefetches),
 | ||||||
|  | +           f_hits(arc_stats.get('prescient_prefetch', 0)))
 | ||||||
|  |      prt_i2('Demand hits after prescient:', | ||||||
|  |             f_perc(arc_stats['demand_hit_prescient_prefetch'], | ||||||
|  | -                  arc_stats['prescient_prefetch']),
 | ||||||
|  | +                  arc_stats.get('prescient_prefetch', 0)),
 | ||||||
|  |             f_hits(arc_stats['demand_hit_prescient_prefetch'])) | ||||||
|  |      prt_i2('Demand I/O hits after prescient:', | ||||||
|  | -           f_perc(arc_stats['demand_iohit_prescient_prefetch'],
 | ||||||
|  | -                  arc_stats['prescient_prefetch']),
 | ||||||
|  | -           f_hits(arc_stats['demand_iohit_prescient_prefetch']))
 | ||||||
|  | -    never = int(arc_stats['prescient_prefetch'])-\
 | ||||||
|  | +           f_perc(arc_stats.get('demand_iohit_prescient_prefetch', 0),
 | ||||||
|  | +                  arc_stats.get('prescient_prefetch', 0)),
 | ||||||
|  | +           f_hits(arc_stats.get('demand_iohit_prescient_prefetch', 0)))
 | ||||||
|  | +    never = int(arc_stats.get('prescient_prefetch', 0))-\
 | ||||||
|  |          int(arc_stats['demand_hit_prescient_prefetch'])-\ | ||||||
|  | -        int(arc_stats['demand_iohit_prescient_prefetch'])
 | ||||||
|  | +        int(arc_stats.get('demand_iohit_prescient_prefetch', 0))
 | ||||||
|  |      prt_i2('Never demanded after prescient:', | ||||||
|  | -           f_perc(never, arc_stats['prescient_prefetch']),
 | ||||||
|  | +           f_perc(never, arc_stats.get('prescient_prefetch', 0)),
 | ||||||
|  |             f_hits(never)) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  | @@ -782,7 +782,7 @@ def section_archits(kstats_dict):
 | ||||||
|  |                  arc_stats['mfu_ghost_hits']), | ||||||
|  |                 ('Most recently used (MRU) ghost:', | ||||||
|  |                  arc_stats['mru_ghost_hits']), | ||||||
|  | -               ('Uncached:', arc_stats['uncached_hits']))
 | ||||||
|  | +               ('Uncached:', arc_stats.get('uncached_hits', 0)))
 | ||||||
|  |      for title, value in cl_todo: | ||||||
|  |          prt_i2(title, f_perc(value, all_accesses), f_hits(value)) | ||||||
|  |      print() | ||||||
|  | @@ -794,26 +794,26 @@ def section_dmu(kstats_dict):
 | ||||||
|  |      zfetch_stats = isolate_section('zfetchstats', kstats_dict) | ||||||
|  |   | ||||||
|  |      zfetch_access_total = int(zfetch_stats['hits']) +\ | ||||||
|  | -        int(zfetch_stats['future']) + int(zfetch_stats['stride']) +\
 | ||||||
|  | -        int(zfetch_stats['past']) + int(zfetch_stats['misses'])
 | ||||||
|  | +        int(zfetch_stats.get('future', 0)) + int(zfetch_stats.get('stride', 0)) +\
 | ||||||
|  | +        int(zfetch_stats.get('past', 0)) + int(zfetch_stats['misses'])
 | ||||||
|  |   | ||||||
|  |      prt_1('DMU predictive prefetcher calls:', f_hits(zfetch_access_total)) | ||||||
|  |      prt_i2('Stream hits:', | ||||||
|  |             f_perc(zfetch_stats['hits'], zfetch_access_total), | ||||||
|  |             f_hits(zfetch_stats['hits'])) | ||||||
|  | -    future = int(zfetch_stats['future']) + int(zfetch_stats['stride'])
 | ||||||
|  | +    future = int(zfetch_stats.get('future', 0)) + int(zfetch_stats.get('stride', 0))
 | ||||||
|  |      prt_i2('Hits ahead of stream:', f_perc(future, zfetch_access_total), | ||||||
|  |             f_hits(future)) | ||||||
|  |      prt_i2('Hits behind stream:', | ||||||
|  | -           f_perc(zfetch_stats['past'], zfetch_access_total),
 | ||||||
|  | -           f_hits(zfetch_stats['past']))
 | ||||||
|  | +           f_perc(zfetch_stats.get('past', 0), zfetch_access_total),
 | ||||||
|  | +           f_hits(zfetch_stats.get('past', 0)))
 | ||||||
|  |      prt_i2('Stream misses:', | ||||||
|  |             f_perc(zfetch_stats['misses'], zfetch_access_total), | ||||||
|  |             f_hits(zfetch_stats['misses'])) | ||||||
|  |      prt_i2('Streams limit reached:', | ||||||
|  |             f_perc(zfetch_stats['max_streams'], zfetch_stats['misses']), | ||||||
|  |             f_hits(zfetch_stats['max_streams'])) | ||||||
|  | -    prt_i1('Stream strides:', f_hits(zfetch_stats['stride']))
 | ||||||
|  | +    prt_i1('Stream strides:', f_hits(zfetch_stats.get('stride', 0)))
 | ||||||
|  |      prt_i1('Prefetches issued', f_hits(zfetch_stats['io_issued'])) | ||||||
|  |      print() | ||||||
|  |   | ||||||
|  | @@ -860,20 +860,20 @@ def section_l2arc(kstats_dict):
 | ||||||
|  |             f_perc(arc_stats['l2_hdr_size'], arc_stats['l2_size']), | ||||||
|  |             f_bytes(arc_stats['l2_hdr_size'])) | ||||||
|  |      prt_i2('MFU allocated size:', | ||||||
|  | -           f_perc(arc_stats['l2_mfu_asize'], arc_stats['l2_asize']),
 | ||||||
|  | -           f_bytes(arc_stats['l2_mfu_asize']))
 | ||||||
|  | +           f_perc(arc_stats.get('l2_mfu_asize', 0), arc_stats['l2_asize']),
 | ||||||
|  | +           f_bytes(arc_stats.get('l2_mfu_asize', 0))) # 2.0 module compat
 | ||||||
|  |      prt_i2('MRU allocated size:', | ||||||
|  | -           f_perc(arc_stats['l2_mru_asize'], arc_stats['l2_asize']),
 | ||||||
|  | -           f_bytes(arc_stats['l2_mru_asize']))
 | ||||||
|  | +           f_perc(arc_stats.get('l2_mru_asize', 0), arc_stats['l2_asize']),
 | ||||||
|  | +           f_bytes(arc_stats.get('l2_mru_asize', 0))) # 2.0 module compat
 | ||||||
|  |      prt_i2('Prefetch allocated size:', | ||||||
|  | -           f_perc(arc_stats['l2_prefetch_asize'], arc_stats['l2_asize']),
 | ||||||
|  | -           f_bytes(arc_stats['l2_prefetch_asize']))
 | ||||||
|  | +           f_perc(arc_stats.get('l2_prefetch_asize', 0), arc_stats['l2_asize']),
 | ||||||
|  | +           f_bytes(arc_stats.get('l2_prefetch_asize',0))) # 2.0 module compat
 | ||||||
|  |      prt_i2('Data (buffer content) allocated size:', | ||||||
|  | -           f_perc(arc_stats['l2_bufc_data_asize'], arc_stats['l2_asize']),
 | ||||||
|  | -           f_bytes(arc_stats['l2_bufc_data_asize']))
 | ||||||
|  | +           f_perc(arc_stats.get('l2_bufc_data_asize', 0), arc_stats['l2_asize']),
 | ||||||
|  | +           f_bytes(arc_stats.get('l2_bufc_data_asize', 0))) # 2.0 module compat
 | ||||||
|  |      prt_i2('Metadata (buffer content) allocated size:', | ||||||
|  | -           f_perc(arc_stats['l2_bufc_metadata_asize'], arc_stats['l2_asize']),
 | ||||||
|  | -           f_bytes(arc_stats['l2_bufc_metadata_asize']))
 | ||||||
|  | +           f_perc(arc_stats.get('l2_bufc_metadata_asize', 0), arc_stats['l2_asize']),
 | ||||||
|  | +           f_bytes(arc_stats.get('l2_bufc_metadata_asize', 0))) # 2.0 module compat
 | ||||||
|  |   | ||||||
|  |      print() | ||||||
|  |      prt_1('L2ARC breakdown:', f_hits(l2_access_total)) | ||||||
|  | diff --git a/cmd/arcstat.in b/cmd/arcstat.in
 | ||||||
|  | index c4f10a1d6..bf47ec90e 100755
 | ||||||
|  | --- a/cmd/arcstat.in
 | ||||||
|  | +++ b/cmd/arcstat.in
 | ||||||
|  | @@ -510,7 +510,7 @@ def calculate():
 | ||||||
|  |      v = dict() | ||||||
|  |      v["time"] = time.strftime("%H:%M:%S", time.localtime()) | ||||||
|  |      v["hits"] = d["hits"] // sint | ||||||
|  | -    v["iohs"] = d["iohits"] // sint
 | ||||||
|  | +    v["iohs"] = d.get("iohits", 0) // sint
 | ||||||
|  |      v["miss"] = d["misses"] // sint | ||||||
|  |      v["read"] = v["hits"] + v["iohs"] + v["miss"] | ||||||
|  |      v["hit%"] = 100 * v["hits"] // v["read"] if v["read"] > 0 else 0 | ||||||
|  | @@ -518,7 +518,7 @@ def calculate():
 | ||||||
|  |      v["miss%"] = 100 - v["hit%"] - v["ioh%"] if v["read"] > 0 else 0 | ||||||
|  |   | ||||||
|  |      v["dhit"] = (d["demand_data_hits"] + d["demand_metadata_hits"]) // sint | ||||||
|  | -    v["dioh"] = (d["demand_data_iohits"] + d["demand_metadata_iohits"]) // sint
 | ||||||
|  | +    v["dioh"] = (d.get("demand_data_iohits", 0) + d.get("demand_metadata_iohits", 0)) // sint
 | ||||||
|  |      v["dmis"] = (d["demand_data_misses"] + d["demand_metadata_misses"]) // sint | ||||||
|  |   | ||||||
|  |      v["dread"] = v["dhit"] + v["dioh"] + v["dmis"] | ||||||
|  | @@ -527,7 +527,7 @@ def calculate():
 | ||||||
|  |      v["dm%"] = 100 - v["dh%"] - v["di%"] if v["dread"] > 0 else 0 | ||||||
|  |   | ||||||
|  |      v["ddhit"] = d["demand_data_hits"] // sint | ||||||
|  | -    v["ddioh"] = d["demand_data_iohits"] // sint
 | ||||||
|  | +    v["ddioh"] = d.get("demand_data_iohits", 0) // sint
 | ||||||
|  |      v["ddmis"] = d["demand_data_misses"] // sint | ||||||
|  |   | ||||||
|  |      v["ddread"] = v["ddhit"] + v["ddioh"] + v["ddmis"] | ||||||
|  | @@ -536,7 +536,7 @@ def calculate():
 | ||||||
|  |      v["ddm%"] = 100 - v["ddh%"] - v["ddi%"] if v["ddread"] > 0 else 0 | ||||||
|  |   | ||||||
|  |      v["dmhit"] = d["demand_metadata_hits"] // sint | ||||||
|  | -    v["dmioh"] = d["demand_metadata_iohits"] // sint
 | ||||||
|  | +    v["dmioh"] = d.get("demand_metadata_iohits", 0) // sint
 | ||||||
|  |      v["dmmis"] = d["demand_metadata_misses"] // sint | ||||||
|  |   | ||||||
|  |      v["dmread"] = v["dmhit"] + v["dmioh"] + v["dmmis"] | ||||||
|  | @@ -545,8 +545,8 @@ def calculate():
 | ||||||
|  |      v["dmm%"] = 100 - v["dmh%"] - v["dmi%"] if v["dmread"] > 0 else 0 | ||||||
|  |   | ||||||
|  |      v["phit"] = (d["prefetch_data_hits"] + d["prefetch_metadata_hits"]) // sint | ||||||
|  | -    v["pioh"] = (d["prefetch_data_iohits"] +
 | ||||||
|  | -                 d["prefetch_metadata_iohits"]) // sint
 | ||||||
|  | +    v["pioh"] = (d.get("prefetch_data_iohits", 0) +
 | ||||||
|  | +                 d.get("prefetch_metadata_iohits", 0)) // sint
 | ||||||
|  |      v["pmis"] = (d["prefetch_data_misses"] + | ||||||
|  |                   d["prefetch_metadata_misses"]) // sint | ||||||
|  |   | ||||||
|  | @@ -556,7 +556,7 @@ def calculate():
 | ||||||
|  |      v["pm%"] = 100 - v["ph%"] - v["pi%"] if v["pread"] > 0 else 0 | ||||||
|  |   | ||||||
|  |      v["pdhit"] = d["prefetch_data_hits"] // sint | ||||||
|  | -    v["pdioh"] = d["prefetch_data_iohits"] // sint
 | ||||||
|  | +    v["pdioh"] = d.get("prefetch_data_iohits", 0) // sint
 | ||||||
|  |      v["pdmis"] = d["prefetch_data_misses"] // sint | ||||||
|  |   | ||||||
|  |      v["pdread"] = v["pdhit"] + v["pdioh"] + v["pdmis"] | ||||||
|  | @@ -565,7 +565,7 @@ def calculate():
 | ||||||
|  |      v["pdm%"] = 100 - v["pdh%"] - v["pdi%"] if v["pdread"] > 0 else 0 | ||||||
|  |   | ||||||
|  |      v["pmhit"] = d["prefetch_metadata_hits"] // sint | ||||||
|  | -    v["pmioh"] = d["prefetch_metadata_iohits"] // sint
 | ||||||
|  | +    v["pmioh"] = d.get("prefetch_metadata_iohits", 0) // sint
 | ||||||
|  |      v["pmmis"] = d["prefetch_metadata_misses"] // sint | ||||||
|  |   | ||||||
|  |      v["pmread"] = v["pmhit"] + v["pmioh"] + v["pmmis"] | ||||||
|  | @@ -575,8 +575,8 @@ def calculate():
 | ||||||
|  |   | ||||||
|  |      v["mhit"] = (d["prefetch_metadata_hits"] + | ||||||
|  |                   d["demand_metadata_hits"]) // sint | ||||||
|  | -    v["mioh"] = (d["prefetch_metadata_iohits"] +
 | ||||||
|  | -                 d["demand_metadata_iohits"]) // sint
 | ||||||
|  | +    v["mioh"] = (d.get("prefetch_metadata_iohits", 0) +
 | ||||||
|  | +                 d.get("demand_metadata_iohits", 0)) // sint
 | ||||||
|  |      v["mmis"] = (d["prefetch_metadata_misses"] + | ||||||
|  |                   d["demand_metadata_misses"]) // sint | ||||||
|  |   | ||||||
|  | @@ -592,24 +592,24 @@ def calculate():
 | ||||||
|  |      v["mru"] = d["mru_hits"] // sint | ||||||
|  |      v["mrug"] = d["mru_ghost_hits"] // sint | ||||||
|  |      v["mfug"] = d["mfu_ghost_hits"] // sint | ||||||
|  | -    v["unc"] = d["uncached_hits"] // sint
 | ||||||
|  | +    v["unc"] = d.get("uncached_hits", 0) // sint
 | ||||||
|  |      v["eskip"] = d["evict_skip"] // sint | ||||||
|  |      v["el2skip"] = d["evict_l2_skip"] // sint | ||||||
|  |      v["el2cach"] = d["evict_l2_cached"] // sint | ||||||
|  |      v["el2el"] = d["evict_l2_eligible"] // sint | ||||||
|  | -    v["el2mfu"] = d["evict_l2_eligible_mfu"] // sint
 | ||||||
|  | -    v["el2mru"] = d["evict_l2_eligible_mru"] // sint
 | ||||||
|  | +    v["el2mfu"] = d.get("evict_l2_eligible_mfu", 0) // sint
 | ||||||
|  | +    v["el2mru"] = d.get("evict_l2_eligible_mru", 0) // sint
 | ||||||
|  |      v["el2inel"] = d["evict_l2_ineligible"] // sint | ||||||
|  |      v["mtxmis"] = d["mutex_miss"] // sint | ||||||
|  | -    v["ztotal"] = (d["zfetch_hits"] + d["zfetch_future"] + d["zfetch_stride"] +
 | ||||||
|  | -                   d["zfetch_past"] + d["zfetch_misses"]) // sint
 | ||||||
|  | +    v["ztotal"] = (d["zfetch_hits"] + d.get("zfetch_future", 0) + d.get("zfetch_stride", 0) +
 | ||||||
|  | +                   d.get("zfetch_past", 0) + d["zfetch_misses"]) // sint
 | ||||||
|  |      v["zhits"] = d["zfetch_hits"] // sint | ||||||
|  | -    v["zahead"] = (d["zfetch_future"] + d["zfetch_stride"]) // sint
 | ||||||
|  | -    v["zpast"] = d["zfetch_past"] // sint
 | ||||||
|  | +    v["zahead"] = (d.get("zfetch_future", 0) + d.get("zfetch_stride", 0)) // sint
 | ||||||
|  | +    v["zpast"] = d.get("zfetch_past", 0) // sint
 | ||||||
|  |      v["zmisses"] = d["zfetch_misses"] // sint | ||||||
|  |      v["zmax"] = d["zfetch_max_streams"] // sint | ||||||
|  | -    v["zfuture"] = d["zfetch_future"] // sint
 | ||||||
|  | -    v["zstride"] = d["zfetch_stride"] // sint
 | ||||||
|  | +    v["zfuture"] = d.get("zfetch_future", 0) // sint
 | ||||||
|  | +    v["zstride"] = d.get("zfetch_stride", 0) // sint
 | ||||||
|  |      v["zissued"] = d["zfetch_io_issued"] // sint | ||||||
|  |      v["zactive"] = d["zfetch_io_active"] // sint | ||||||
|  |   | ||||||
|  | @@ -624,11 +624,11 @@ def calculate():
 | ||||||
|  |          v["l2size"] = cur["l2_size"] | ||||||
|  |          v["l2bytes"] = d["l2_read_bytes"] // sint | ||||||
|  |   | ||||||
|  | -        v["l2pref"] = cur["l2_prefetch_asize"]
 | ||||||
|  | -        v["l2mfu"] = cur["l2_mfu_asize"]
 | ||||||
|  | -        v["l2mru"] = cur["l2_mru_asize"]
 | ||||||
|  | -        v["l2data"] = cur["l2_bufc_data_asize"]
 | ||||||
|  | -        v["l2meta"] = cur["l2_bufc_metadata_asize"]
 | ||||||
|  | +        v["l2pref"] = cur.get("l2_prefetch_asize", 0)
 | ||||||
|  | +        v["l2mfu"] = cur.get("l2_mfu_asize", 0)
 | ||||||
|  | +        v["l2mru"] = cur.get("l2_mru_asize", 0)
 | ||||||
|  | +        v["l2data"] = cur.get("l2_bufc_data_asize", 0)
 | ||||||
|  | +        v["l2meta"] = cur.get("l2_bufc_metadata_asize", 0)
 | ||||||
|  |          v["l2pref%"] = 100 * v["l2pref"] // v["l2asize"] | ||||||
|  |          v["l2mfu%"] = 100 * v["l2mfu"] // v["l2asize"] | ||||||
|  |          v["l2mru%"] = 100 * v["l2mru"] // v["l2asize"] | ||||||
| @ -1,113 +0,0 @@ | |||||||
| From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |  | ||||||
| From: Thomas Lamprecht <t.lamprecht@proxmox.com> |  | ||||||
| Date: Wed, 10 Nov 2021 09:29:47 +0100 |  | ||||||
| Subject: [PATCH] arc stat/summary: guard access to l2arc MFU/MRU stats |  | ||||||
| 
 |  | ||||||
| commit 085321621e79a75bea41c2b6511da6ebfbf2ba0a added printing MFU |  | ||||||
| and MRU stats for 2.1 user space tools, but those keys are not |  | ||||||
| available in the 2.0 module. That means it may break the arcstat and |  | ||||||
| arc_summary tools after upgrade to 2.1 (user space), before a reboot |  | ||||||
| to the new 2.1 ZFS kernel-module happened, due to python raising a |  | ||||||
| KeyError on the dict access then. |  | ||||||
| 
 |  | ||||||
| Move those two keys to a .get accessor with `0` as fallback, as it |  | ||||||
| should be better to show some possible wrong data for new stat-keys |  | ||||||
| than throwing an exception. |  | ||||||
| 
 |  | ||||||
| Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com> |  | ||||||
| 
 |  | ||||||
| also move l2_mfu_asize  l2_mru_asize l2_prefetch_asize |  | ||||||
| l2_bufc_data_asize l2_bufc_metadata_asize to .get accessor |  | ||||||
| (these are only present with a cache device in the pool) |  | ||||||
| Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com> |  | ||||||
| Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com> |  | ||||||
| ---
 |  | ||||||
|  cmd/arc_summary | 28 ++++++++++++++-------------- |  | ||||||
|  cmd/arcstat.in  | 14 +++++++------- |  | ||||||
|  2 files changed, 21 insertions(+), 21 deletions(-) |  | ||||||
| 
 |  | ||||||
| diff --git a/cmd/arc_summary b/cmd/arc_summary
 |  | ||||||
| index 100fb1987..86b2260a1 100755
 |  | ||||||
| --- a/cmd/arc_summary
 |  | ||||||
| +++ b/cmd/arc_summary
 |  | ||||||
| @@ -655,13 +655,13 @@ def section_arc(kstats_dict):
 |  | ||||||
|      prt_i1('L2 cached evictions:', f_bytes(arc_stats['evict_l2_cached'])) |  | ||||||
|      prt_i1('L2 eligible evictions:', f_bytes(arc_stats['evict_l2_eligible'])) |  | ||||||
|      prt_i2('L2 eligible MFU evictions:', |  | ||||||
| -           f_perc(arc_stats['evict_l2_eligible_mfu'],
 |  | ||||||
| +           f_perc(arc_stats.get('evict_l2_eligible_mfu', 0), # 2.0 module compat
 |  | ||||||
|             arc_stats['evict_l2_eligible']), |  | ||||||
| -           f_bytes(arc_stats['evict_l2_eligible_mfu']))
 |  | ||||||
| +           f_bytes(arc_stats.get('evict_l2_eligible_mfu', 0)))
 |  | ||||||
|      prt_i2('L2 eligible MRU evictions:', |  | ||||||
| -           f_perc(arc_stats['evict_l2_eligible_mru'],
 |  | ||||||
| +           f_perc(arc_stats.get('evict_l2_eligible_mru', 0), # 2.0 module compat
 |  | ||||||
|             arc_stats['evict_l2_eligible']), |  | ||||||
| -           f_bytes(arc_stats['evict_l2_eligible_mru']))
 |  | ||||||
| +           f_bytes(arc_stats.get('evict_l2_eligible_mru', 0)))
 |  | ||||||
|      prt_i1('L2 ineligible evictions:', |  | ||||||
|             f_bytes(arc_stats['evict_l2_ineligible'])) |  | ||||||
|      print() |  | ||||||
| @@ -860,20 +860,20 @@ def section_l2arc(kstats_dict):
 |  | ||||||
|             f_perc(arc_stats['l2_hdr_size'], arc_stats['l2_size']), |  | ||||||
|             f_bytes(arc_stats['l2_hdr_size'])) |  | ||||||
|      prt_i2('MFU allocated size:', |  | ||||||
| -           f_perc(arc_stats['l2_mfu_asize'], arc_stats['l2_asize']),
 |  | ||||||
| -           f_bytes(arc_stats['l2_mfu_asize']))
 |  | ||||||
| +           f_perc(arc_stats.get('l2_mfu_asize', 0), arc_stats['l2_asize']),
 |  | ||||||
| +           f_bytes(arc_stats.get('l2_mfu_asize', 0))) # 2.0 module compat
 |  | ||||||
|      prt_i2('MRU allocated size:', |  | ||||||
| -           f_perc(arc_stats['l2_mru_asize'], arc_stats['l2_asize']),
 |  | ||||||
| -           f_bytes(arc_stats['l2_mru_asize']))
 |  | ||||||
| +           f_perc(arc_stats.get('l2_mru_asize', 0), arc_stats['l2_asize']),
 |  | ||||||
| +           f_bytes(arc_stats.get('l2_mru_asize', 0))) # 2.0 module compat
 |  | ||||||
|      prt_i2('Prefetch allocated size:', |  | ||||||
| -           f_perc(arc_stats['l2_prefetch_asize'], arc_stats['l2_asize']),
 |  | ||||||
| -           f_bytes(arc_stats['l2_prefetch_asize']))
 |  | ||||||
| +           f_perc(arc_stats.get('l2_prefetch_asize', 0), arc_stats['l2_asize']),
 |  | ||||||
| +           f_bytes(arc_stats.get('l2_prefetch_asize',0))) # 2.0 module compat
 |  | ||||||
|      prt_i2('Data (buffer content) allocated size:', |  | ||||||
| -           f_perc(arc_stats['l2_bufc_data_asize'], arc_stats['l2_asize']),
 |  | ||||||
| -           f_bytes(arc_stats['l2_bufc_data_asize']))
 |  | ||||||
| +           f_perc(arc_stats.get('l2_bufc_data_asize', 0), arc_stats['l2_asize']),
 |  | ||||||
| +           f_bytes(arc_stats.get('l2_bufc_data_asize', 0))) # 2.0 module compat
 |  | ||||||
|      prt_i2('Metadata (buffer content) allocated size:', |  | ||||||
| -           f_perc(arc_stats['l2_bufc_metadata_asize'], arc_stats['l2_asize']),
 |  | ||||||
| -           f_bytes(arc_stats['l2_bufc_metadata_asize']))
 |  | ||||||
| +           f_perc(arc_stats.get('l2_bufc_metadata_asize', 0), arc_stats['l2_asize']),
 |  | ||||||
| +           f_bytes(arc_stats.get('l2_bufc_metadata_asize', 0))) # 2.0 module compat
 |  | ||||||
|   |  | ||||||
|      print() |  | ||||||
|      prt_1('L2ARC breakdown:', f_hits(l2_access_total)) |  | ||||||
| diff --git a/cmd/arcstat.in b/cmd/arcstat.in
 |  | ||||||
| index c4f10a1d6..c570dca88 100755
 |  | ||||||
| --- a/cmd/arcstat.in
 |  | ||||||
| +++ b/cmd/arcstat.in
 |  | ||||||
| @@ -597,8 +597,8 @@ def calculate():
 |  | ||||||
|      v["el2skip"] = d["evict_l2_skip"] // sint |  | ||||||
|      v["el2cach"] = d["evict_l2_cached"] // sint |  | ||||||
|      v["el2el"] = d["evict_l2_eligible"] // sint |  | ||||||
| -    v["el2mfu"] = d["evict_l2_eligible_mfu"] // sint
 |  | ||||||
| -    v["el2mru"] = d["evict_l2_eligible_mru"] // sint
 |  | ||||||
| +    v["el2mfu"] = d.get("evict_l2_eligible_mfu", 0) // sint
 |  | ||||||
| +    v["el2mru"] = d.get("evict_l2_eligible_mru", 0) // sint
 |  | ||||||
|      v["el2inel"] = d["evict_l2_ineligible"] // sint |  | ||||||
|      v["mtxmis"] = d["mutex_miss"] // sint |  | ||||||
|      v["ztotal"] = (d["zfetch_hits"] + d["zfetch_future"] + d["zfetch_stride"] + |  | ||||||
| @@ -624,11 +624,11 @@ def calculate():
 |  | ||||||
|          v["l2size"] = cur["l2_size"] |  | ||||||
|          v["l2bytes"] = d["l2_read_bytes"] // sint |  | ||||||
|   |  | ||||||
| -        v["l2pref"] = cur["l2_prefetch_asize"]
 |  | ||||||
| -        v["l2mfu"] = cur["l2_mfu_asize"]
 |  | ||||||
| -        v["l2mru"] = cur["l2_mru_asize"]
 |  | ||||||
| -        v["l2data"] = cur["l2_bufc_data_asize"]
 |  | ||||||
| -        v["l2meta"] = cur["l2_bufc_metadata_asize"]
 |  | ||||||
| +        v["l2pref"] = cur.get("l2_prefetch_asize", 0)
 |  | ||||||
| +        v["l2mfu"] = cur.get("l2_mfu_asize", 0)
 |  | ||||||
| +        v["l2mru"] = cur.get("l2_mru_asize", 0)
 |  | ||||||
| +        v["l2data"] = cur.get("l2_bufc_data_asize", 0)
 |  | ||||||
| +        v["l2meta"] = cur.get("l2_bufc_metadata_asize", 0)
 |  | ||||||
|          v["l2pref%"] = 100 * v["l2pref"] // v["l2asize"] |  | ||||||
|          v["l2mfu%"] = 100 * v["l2mfu"] // v["l2asize"] |  | ||||||
|          v["l2mru%"] = 100 * v["l2mru"] // v["l2asize"] |  | ||||||
							
								
								
									
										2
									
								
								debian/patches/series
									
									
									
									
										vendored
									
									
								
							
							
						
						
									
										2
									
								
								debian/patches/series
									
									
									
									
										vendored
									
									
								
							| @ -6,6 +6,6 @@ | |||||||
| 0006-dont-symlink-zed-scripts.patch | 0006-dont-symlink-zed-scripts.patch | ||||||
| 0007-Add-systemd-unit-for-importing-specific-pools.patch | 0007-Add-systemd-unit-for-importing-specific-pools.patch | ||||||
| 0008-Patch-move-manpage-arcstat-1-to-arcstat-8.patch | 0008-Patch-move-manpage-arcstat-1-to-arcstat-8.patch | ||||||
| 0009-arc-stat-summary-guard-access-to-l2arc-MFU-MRU-stats.patch | 0009-arc-stat-summary-guard-access-to-freshly-introduced-.patch | ||||||
| 0010-Fix-nfs_truncate_shares-without-etc-exports.d.patch | 0010-Fix-nfs_truncate_shares-without-etc-exports.d.patch | ||||||
| 0011-zpool-status-tighten-bounds-for-noalloc-stat-availab.patch | 0011-zpool-status-tighten-bounds-for-noalloc-stat-availab.patch | ||||||
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	 Stoiko Ivanov
						Stoiko Ivanov