Re: Getting empty callchain from perf_callchain_kernel()

From: Peter Zijlstra
Date: Wed May 22 2019 - 09:54:05 EST


On Mon, May 20, 2019 at 05:22:12PM +0000, Song Liu wrote:
> I think this is still the best fix/workaround here? And only one level
> of stack trace should be OK for tracepoint?

No. That's still completely broken.