16926a676b
This makes it easier to query, simplifies the code, and makes it possible to figure out what transaction the data belongs to (simply because it's now stored _in_ the transaction). This new setup keeps track of both the real/wall time _and_ CPU time spent in a block, both measured using milliseconds (to keep all units the same).
46 lines
1.2 KiB
Ruby
46 lines
1.2 KiB
Ruby
module Gitlab
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module Metrics
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# Module for gathering system/process statistics such as the memory usage.
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#
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# This module relies on the /proc filesystem being available. If /proc is
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# not available the methods of this module will be stubbed.
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module System
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if File.exist?('/proc')
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# Returns the current process' memory usage in bytes.
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def self.memory_usage
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mem = 0
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match = File.read('/proc/self/status').match(/VmRSS:\s+(\d+)/)
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if match and match[1]
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mem = match[1].to_f * 1024
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end
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mem
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end
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def self.file_descriptor_count
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Dir.glob('/proc/self/fd/*').length
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end
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else
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def self.memory_usage
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0.0
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end
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def self.file_descriptor_count
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0
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end
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end
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# THREAD_CPUTIME is not supported on OS X
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if Process.const_defined?(:CLOCK_THREAD_CPUTIME_ID)
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def self.cpu_time
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Process.clock_gettime(Process::CLOCK_THREAD_CPUTIME_ID, :millisecond)
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end
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else
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def self.cpu_time
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Process.clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID, :millisecond)
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end
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end
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end
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end
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end
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