lib/appsignal.rb in appsignal-0.12.beta.8 vs lib/appsignal.rb in appsignal-0.12.beta.9

@@ -135,19 +135,25 @@
 
     def logger
       @in_memory_log = StringIO.new unless @in_memory_log
       @logger ||= Logger.new(@in_memory_log).tap do |l|
         l.level = Logger::INFO
-        l.formatter = Logger::Formatter.new
+        l.formatter = log_formatter
       end
     end
 
+    def log_formatter
+        proc do |severity, datetime, progname, msg|
+          "[#{datetime.strftime('%Y-%m-%dT%H:%M:%S')} (process) ##{Process.pid}][#{severity}] #{msg}"
+        end
+    end
+
     def start_logger(path)
       if path && File.writable?(path) &&
          !ENV['DYNO'] &&
          !ENV['SHELLYCLOUD_DEPLOYMENT']
         @logger = Logger.new(File.join(path, 'appsignal.log'))
-        @logger.formatter = Logger::Formatter.new
+        @logger.formatter = log_formatter
       else
         @logger = Logger.new($stdout)
         @logger.formatter = lambda do |severity, datetime, progname, msg|
           "appsignal: #{msg}\n"
         end