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#!/usr/bin/env ruby
require 'time'
require 'optparse'
unless Array.instance_methods.include? :to_h
class Array
def to_h
h = {}
each { |k,v| h[k]=v }
h
end
end
end
# statedump.c:gf_proc_dump_mempool_info uses a five-dash record separator,
# client.c:client_fd_lk_ctx_dump uses a six-dash record separator.
ARRSEP = /^(-{5,6}=-{5,6})?$/
HEAD = /^\[(.*)\]$/
format = 'json'
tz = '+0000'
memstat_select,memstat_reject = //,/\Z./
human = false
OptionParser.new do |op|
op.banner << " [<] <STATEDUMP>"
op.on("-f", "--format=F", "json/yaml/memstat") { |s| format = s }
op.on("--timezone=T",
"time zone to apply to zoneless timestamps [default UTC]") { |s| tz = s }
op.on("--memstat-select=RX", "memstat: select memory types maxtching RX") { |s|
memstat_select = Regexp.new s
}
op.on("--memstat-reject=RX", "memstat: reject memory types maxtching RX") { |s|
memstat_reject = Regexp.new s
}
op.on("--memstat-human", "memstat: human readable") { human = true }
end.parse!
repr, logsep = case format
when 'yaml'
require 'yaml'
[proc { |e| e.to_yaml }, "\n"]
when 'json', 'memstat'
require 'json'
[proc { |e| e.to_json }, " "]
else
raise "unkonwn format '#{format}'"
end
formatter = proc { |e| puts repr.call(e) }
d1 = {}
elem_cbk = proc { |s,&cbk|
arraylike = false
s.grep(/\S/).empty? and next
head = nil
while s.last =~ /^\s*$/
s.pop
end
body = catch { |misc2|
s[0] =~ HEAD ? (head = $1) : (throw misc2)
body = [[]]
s[1..-1].each { |l|
if l =~ ARRSEP
arraylike = true
body << []
next
end
body.last << l
}
body.reject(&:empty?).map { |e|
ea = e.map { |l|
k,v = l.split("=",2)
[k, begin
Integer v
rescue ArgumentError
begin
Float v
rescue ArgumentError
v
end
end]
}
begin
ea.to_h
rescue
throw misc2
end
}
}
if body
cbk.call [head, arraylike ? body : body[0]]
else
STDERR.puts ["WARNING: failed to parse record:", repr.call(s)].join(logsep)
end
}
aggr = case format
when 'memstat'
mh = {}
proc { |k,r|
case k
when /memusage/
(mh["GF_MALLOC"]||={})[k] ||= r["size"] if k =~ memstat_select and k !~ memstat_reject
when "mempool"
r.each {|e|
kk = "mempool:#{e['pool-name']}"
(mh["mempool"]||={})[kk] ||= e["size"] if kk =~ memstat_select and kk !~ memstat_reject
}
end
}
else
proc { |pair| formatter.call pair }
end
acc = []
$<.each { |l|
l = l.strip
if l =~ /^(DUMP-(?:START|END)-TIME):\s+(.*)/
d1["_meta"]||={}
(d1["_meta"]["date"]||={})[$1] = Time.parse([$2, tz].join " ")
next
end
if l =~ HEAD
elem_cbk.call(acc, &aggr)
acc = [l]
next
end
acc << l
}
elem_cbk.call(acc, &aggr)
case format
when 'memstat'
hr = proc { |n|
qa = %w[B kB MB GB]
q = ((1...qa.size).find {|i| n < (1 << i*10)} || qa.size) - 1
[n*100 / (1 << q*10) / 100.0, qa[q]].join
}
ma = mh.values.map(&:to_a).inject(:+)
totals = mh.map { |coll,h| [coll, h.values.inject(:+)] }.to_h
tt = ma.transpose[1].inject(:+)
templ = "%{val} %{key}"
tft = proc { |t| t }
nft = if human
nw = [ma.transpose[1], totals.values, tt].flatten.map{|n| hr[n].size}.max
proc { |n|
hn = hr[n]
" " * (nw - hn.size) + hn
}
else
nw = tt.to_s.size
proc { |n| "%#{nw}d" % n }
end
# templ = "%{key} %{val}"
# tw = ma.transpose[0].map(&:size).max
# tft = proc { |t| t + " " * [tw - t.size, 0].max }
# nft = human ? hr : proc { |n| n }
showm = proc { |k,v| puts templ % {key: tft[k], val: nft[v]} }
ma.sort_by { |k,v| v }.each(&showm)
puts
totals.each { |coll,t| showm.call "Total #{coll}", t }
showm.call "TOTAL", tt
else
formatter.call d1
end
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