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Remove ambiguity on demand vs prefetch stats reported by arc_summary 

arc_summary currently list prefetch stats as "demand prefetch"
However, a hit/miss can be due to demand or prefetch, not both.
To remove any confusion, this patch removes the "Demand" word
from the affected lines.

Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Gionatan Danti <g.danti@assyoma.it>
Closes #13985
This commit is contained in:
shodanshok 2022-10-04 20:00:02 +02:00 committed by Brian Behlendorf
parent 37763ea2a6
commit 820edcbf91
1 changed files with 4 additions and 4 deletions
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8
cmd/arc_summary/arc_summary3
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@ -686,9 +686,9 @@ def section_archits(kstats_dict):
print() print()
print('Cache hits by data type:') print('Cache hits by data type:')
dt_todo = (('Demand data:', arc_stats['demand_data_hits']), dt_todo = (('Demand data:', arc_stats['demand_data_hits']),
('Demand prefetch data:', arc_stats['prefetch_data_hits']), ('Prefetch data:', arc_stats['prefetch_data_hits']),
('Demand metadata:', arc_stats['demand_metadata_hits']), ('Demand metadata:', arc_stats['demand_metadata_hits']),
('Demand prefetch metadata:', ('Prefetch metadata:',
arc_stats['prefetch_metadata_hits'])) arc_stats['prefetch_metadata_hits']))
for title, value in dt_todo: for title, value in dt_todo:
@ -697,10 +697,10 @@ def section_archits(kstats_dict):
print() print()
print('Cache misses by data type:') print('Cache misses by data type:')
dm_todo = (('Demand data:', arc_stats['demand_data_misses']), dm_todo = (('Demand data:', arc_stats['demand_data_misses']),
('Demand prefetch data:', ('Prefetch data:',
arc_stats['prefetch_data_misses']), arc_stats['prefetch_data_misses']),
('Demand metadata:', arc_stats['demand_metadata_misses']), ('Demand metadata:', arc_stats['demand_metadata_misses']),
('Demand prefetch metadata:', ('Prefetch metadata:',
arc_stats['prefetch_metadata_misses'])) arc_stats['prefetch_metadata_misses']))
for title, value in dm_todo: for title, value in dm_todo: