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Modified QEMU which generates full instruction & data address traces. Configure with --enable-full-trace. Env vars: QEMU_SKIP_FIRST_INST skips tracing of the first N instructions, QEMU_TRACE_LIMIT limits the amount of instructions traced, and QEMU_TRACE_OUTPUT configures the output file (stderr by default). Working on SPARC, SPARC64, PPC, PPC64. Tested only for sparc-linux-user.

  • Updated Mar 28, 2019
  • C
rbertran
rbertran commented Jun 17, 2019
bertran@perfectp8:~/microprobe_chop/tests$ chop sample -pid 128992 -timeout 20s
{19-06-2017 16:32:14} chop: Started monitor
{19-06-2017 16:32:33} chop: Stopped monitor

I'd be good to printout the number of samples gathered, the sampling period, the performance counters as well as the output database file path so that users can identify quickly if anything is not correct.

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