class TingYun::Metrics::Stats
Attributes
apdex_f[RW]
apdex_s[RW]
apdex_t[RW]
call_count[RW]
max_call_time[RW]
min_call_time[RW]
sum_of_squares[RW]
total_call_time[RW]
total_exclusive_time[RW]
Public Class Methods
create_from_hash(hash_value)
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# File lib/ting_yun/metrics/stats.rb, line 16 def self.create_from_hash(hash_value) stats = Stats.new stats.call_count = hash_value[:count] if hash_value[:count] stats.total_call_time = hash_value[:total] if hash_value[:total] stats.total_exclusive_time = hash_value[:total] if hash_value[:total] stats.min_call_time = hash_value[:min] if hash_value[:min] stats.max_call_time = hash_value[:max] if hash_value[:max] stats.sum_of_squares = hash_value[:sum_of_squares] if hash_value[:sum_of_squares] stats end
new()
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# File lib/ting_yun/metrics/stats.rb, line 28 def initialize reset end
Public Instance Methods
==(other)
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# File lib/ting_yun/metrics/stats.rb, line 137 def ==(other) other.class == self.class && ( @min_call_time == other.min_call_time && @max_call_time == other.max_call_time && @total_call_time == other.total_call_time && @total_exclusive_time == other.total_exclusive_time && @sum_of_squares == other.sum_of_squares && @call_count == other.call_count ) end
increment_count(value = 1)
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increments the call_count
by one
# File lib/ting_yun/metrics/stats.rb, line 133 def increment_count(value = 1) @call_count += value end
is_reset?()
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# File lib/ting_yun/metrics/stats.rb, line 46 def is_reset? call_count == 0 && total_call_time == 0.0 && total_exclusive_time == 0.0 end
merge(other_stats)
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self不变
# File lib/ting_yun/metrics/stats.rb, line 51 def merge(other_stats) stats = self.clone stats.merge!(other_stats) end
merge!(other)
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self变化
# File lib/ting_yun/metrics/stats.rb, line 57 def merge!(other) @min_call_time = other.min_call_time if min_time_less?(other) @max_call_time = other.max_call_time if max_time?(other) @total_call_time += other.total_call_time @total_exclusive_time += other.total_exclusive_time @sum_of_squares += other.sum_of_squares @call_count += other.call_count self end
metrics(stat_key)
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# File lib/ting_yun/metrics/stats.rb, line 151 def metrics(stat_key) metrics = [] metrics << int(call_count, stat_key) if max_call_time != 0.0 #apedx metrics << float(total_call_time, stat_key) metrics << float(total_exclusive_time, stat_key) metrics << float(max_call_time, stat_key) end if min_call_time !=0.0 # metrics << float(min_call_time, stat_key) metrics << float(sum_of_squares, stat_key) end metrics end
record(value=nil, aux=nil) { |self| ... }
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# File lib/ting_yun/metrics/stats.rb, line 86 def record(value=nil, aux=nil, &blk) if blk yield self else case value when Numeric aux ||= value self.record_data_point(value, aux) when :apdex_s, :apdex_t, :apdex_f self.record_apdex(value, aux) when TingYun::Metrics::Stats self.merge!(value) end end end
record_apdex(bucket, apdex_t)
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# File lib/ting_yun/metrics/stats.rb, line 102 def record_apdex(bucket, apdex_t) case bucket when :apdex_s then @call_count += 1 when :apdex_t then @total_call_time += 1 when :apdex_f then @total_exclusive_time += 1 end if apdex_t @max_call_time = apdex_t else ::TingYun::Agent.logger.warn("Attempted to set apdex_t to #{apdex_t.inspect}, backtrace = #{caller.join("\n")}") end end
record_data_point(value, exclusive_time = value)
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record a single data point into the statistical gatherer. The gatherer will aggregate all data points collected over a specified period and upload its data to the TingYun
server
# File lib/ting_yun/metrics/stats.rb, line 119 def record_data_point(value, exclusive_time = value) @call_count += 1 @total_call_time += value @min_call_time = exclusive_time if exclusive_time < @min_call_time || @call_count == 1 @max_call_time = exclusive_time if exclusive_time > @max_call_time @total_exclusive_time += exclusive_time @sum_of_squares += (exclusive_time * exclusive_time) self end
Also aliased as: trace_call
reset()
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# File lib/ting_yun/metrics/stats.rb, line 32 def reset @call_count = 0 @total_call_time = 0.0 @total_exclusive_time = 0.0 @min_call_time = 0.0 @max_call_time = 0.0 @sum_of_squares = 0.0 end
to_json(*_)
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# File lib/ting_yun/metrics/stats.rb, line 71 def to_json(*_) { 'call_count' => call_count.to_i, 'min_call_time' => min_call_time.to_f, 'max_call_time' => max_call_time.to_f, 'total_call_time' => total_call_time.to_f, 'total_exclusive_time' => total_exclusive_time.to_f, 'sum_of_squares' => sum_of_squares.to_f }.to_json(*_) end
to_s()
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# File lib/ting_yun/metrics/stats.rb, line 67 def to_s "[#{'%2i' % call_count.to_i} calls #{'%.4f' % total_call_time.to_f}s / #{'%.4f' % total_exclusive_time.to_f}s ex]" end
Protected Instance Methods
max_time?(other)
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# File lib/ting_yun/metrics/stats.rb, line 175 def max_time?(other) other.max_call_time > max_call_time end
min_time_less?(other)
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# File lib/ting_yun/metrics/stats.rb, line 171 def min_time_less?(other) (other.min_call_time < min_call_time && other.call_count > 0) || call_count == 0 end