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   2534     period: 130086
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   2545     tid: 4337
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   2547     len: 3821568
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   2553       tid: 4337
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   2571     period: 8875
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   2582     ppid: 4337
   2583     tid: 4337
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   2588       tid: 4337
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   2600   exit_event {
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   2619   num_exit_events: 2
   2620   num_sample_events_mapped: 77
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   2745   perf_command_line_whole {
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   2750