Re: [PATCH 1/1] perf tools: perf diff for different binaries

[Andi Kleen]

> 
> If I run old perf diff with --sort dso,symbol, we cannot get any useful
> information for the user space binary. Furthermore, it failed to compare
> the kernel function. E.g. native_write_msr_safe.
> 
> perf diff -s dso,symbol --compute ratio v1_1_6perf.data v2_1_7perf.data

The new option needs to be documented in the manpage

(with a paragraph explaining that it allows comparison
between different versions of the binary)

-Andi
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