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apps are slower when launched with --debug #31

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greenknot opened this issue Mar 2, 2020 · 1 comment
Open

apps are slower when launched with --debug #31

greenknot opened this issue Mar 2, 2020 · 1 comment

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@greenknot
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It prevents some bugs from being investigated because it leads to timeouts. Wild guess: qemu is slower when executed with -g?
@greenknot
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According to strace, SIGILL is catched each time a syscall instruction (replaced by an undefined instruction) is executed. The gdb stub forwards this information to the gdb client (even if instructed to ignore it thanks to handle SIGILL nostop pass noprint) and that slows down its execution.

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