How to use join_bg_jobs method in autotest

Best Python code snippet using autotest_python Github


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...87 while (self.record_job.sp.poll() is None and88 utils.read_file(tracing_on).strip() != '1'):89 time.sleep(0.1)90 if self.record_job.sp.poll() is not None:91 utils.join_bg_jobs([self.record_job])92 raise error.CmdError(self.record_job.command,93 self.record_job.sp.returncode,94 'trace-cmd exited early.')95 def stop(self, test):96 """97 Stop ftrace profiler.98 :param test: Autotest test in which the profiler will operate on.99 """100 os.kill(, signal.SIGINT)101 utils.join_bg_jobs([self.record_job])102 # shrink the buffer to free memory.103 utils.system('%s reset -b 1' % self.trace_cmd)104 # compress output105 utils.system('bzip2 %s' % self.output)106 compressed_output = self.output + '.bz2'107 # if the compressed trace file is large (10MB), just delete it.108 compressed_output_size = os.path.getsize(compressed_output)109 if compressed_output_size > 10 * 1024 * 1024:110 logging.warn('Deleting large trace file %s (%d bytes)',111 compressed_output, compressed_output_size)112 os.remove(compressed_output)113 # remove per-cpu files in case trace-cmd died....

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