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Add GC.stat_size_pool to get stats for a size pool

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GC.stat_size_pool will return stats for a particular size pool. This is
used for the Variable Width Allocation feature.
This commit is contained in:
Peter Zhu 2021-11-25 09:31:58 -05:00
parent 09ef048b34
commit 6157619bb6
Notes: git 2021-11-26 00:33:37 +09:00
3 changed files with 161 additions and 0 deletions
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18
gc.rb
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@ -196,6 +196,24 @@ module GC
Primitive.gc_stat hash_or_key
end
# :nodoc:
# call-seq:
# GC.stat_size_pool(size_pool_idx) -> Hash
# GC.stat_size_pool(size_pool_idx, hash) -> Hash
# GC.stat_size_pool(size_pool_idx, :key) -> Numeric
#
# Returns a Hash containing information about a size pool in the GC.
#
# The contents of the hash are implementation specific and may be changed in
# the future.
#
# If the optional argument, hash, is given, it is overwritten and returned.
#
# This method is only expected to work on C Ruby.
def self.stat_size_pool size_pool_idx, hash_or_key = nil
Primitive.gc_stat_size_pool size_pool_idx, hash_or_key
end
# call-seq:
# GC.latest_gc_info -> {:gc_by=>:newobj}
# GC.latest_gc_info(hash) -> hash