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update script to provide more mem stats

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Sam 2018-07-27 12:51:06 +10:00
parent 6f9a91cbd5
commit 5e262265a2
1 changed files with 9 additions and 1 deletions
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10
script/mwrap_sidekiq
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@ -1,6 +1,9 @@
#!/usr/bin/env ruby
if !ENV["LD_PRELOAD"]&.include?('mwrap')
# use malloc from libc that interacts better with mwrap
ENV['RAILS_ENV'] = 'production'
ENV["LD_PRELOAD"] = ""
ENV["MALLOC_ARENA_MAX"] = "2"
exec "mwrap #{__FILE__}"
end
@ -47,11 +50,16 @@ def render_table(array)
buffer
end
def rss
`ps -o rss= -p #{Process.pid}`.chomp.to_i
end
def mwrap_log
report = +""
Mwrap.quiet do
report << "Generation: #{GC.count}\n\n"
report << "Generation: #{GC.count} RSS kb: #{rss} Accounted Mem kb: #{(Mwrap.total_bytes_allocated - Mwrap.total_bytes_freed) / 1024}\n"
report << "Allocated bytes: #{Mwrap.total_bytes_allocated} Freed bytes: #{Mwrap.total_bytes_freed}\n\n"
table = []
Mwrap.each(200) do |loc, total, allocations, frees, age_sum, max_life|