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[Qemu-discuss] icount


From: Hendrik Greving
Subject: [Qemu-discuss] icount
Date: Wed, 8 Jan 2014 08:09:48 -0800

Hi, I'm a little confused about the qemu-system-arm -icount N|auto feature. Does it actually count instructions (where is the output going?). Or is it rather a way to make host execution time deterministic in proportion to guest instructions?

If I want to count instructions, preferably trace based in an ARM application, is there already something in QEMU that can do that? If not, is a good way to go to check target-arm/translate.c? The num_insns there, is that a floating window - instruction count?

Thanks,
Regards,
Hendrik Greving

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