class SidekiqProfilingMiddleware::MemoryProfiler

Attributes

only[R]
options[R]
output_prefix[R]
s3_bucket[R]

Public Class Methods

default_output_prefix() click to toggle source
# File lib/sidekiq_profiling_middleware/memory_profiler.rb, line 40
def self.default_output_prefix
  @default_output_prefix ||= Util.default_output_prefix("memory_profiler")
end
new(output_prefix: nil, only: nil, s3_bucket: nil, memory_profiler_options: {}) click to toggle source
# File lib/sidekiq_profiling_middleware/memory_profiler.rb, line 7
def initialize(output_prefix: nil, only: nil, s3_bucket: nil, memory_profiler_options: {})
  @options = memory_profiler_options

  @output_prefix = output_prefix || self.class.default_output_prefix
  @only = only
  @s3_bucket = s3_bucket
end

Public Instance Methods

call(worker, msg, queue) { || ... } click to toggle source
# File lib/sidekiq_profiling_middleware/memory_profiler.rb, line 15
def call(worker, msg, queue)
  # bail out if whitelist doesn't match
  if only && !only.include?(worker.class)
    return yield
  end

  report = ::MemoryProfiler.report(options) do
    yield
  end

  out = "#{output_prefix}#{Util.worker_names[worker.class]}_#{Util.current_epoch_ms}.txt"

  unless s3_bucket
    report.pretty_print(to_file: out)
    return
  end

  require "sidekiq_profiling_middleware/s3"

  out = S3::Object.new(bucket: s3_bucket, key: out)
  report.pretty_print(out)
ensure
  out.upload if out && s3_bucket
end