[Bug 1910540] Re: where the trace file "trace-*"

[Stefan Hajnoczi]

I tested qemu.git/master on Linux x86_64 to confirm that the simple
trace backend works. trace-$pid files are written to the current working
directory.

If QEMU prints a warning that the trace event name does not exist, try
escaping the asterisk on your command-line: -trace nvme\*

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https://bugs.launchpad.net/bugs/1910540

Title:
  where the trace file  "trace-*"

Status in QEMU:
  New

Bug description:
  I compile qemu-system-aarch64 with  --enable-trace-backends=simple
  option, then start qemu with -trace nvme*  , qemu start successful but
  I cann't find the trace file  "trace-*" at qemu started  directory.

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