Re: [PATCH v3 00/14] perf, x86: Haswell LBR call stack support

From: David Ahern
Date: Wed Feb 26 2014 - 14:20:12 EST


On 2/26/14, 11:59 AM, Andy Lutomirski wrote:

I wonder if anyone who uses perf for userspace profiling *ever* uses
FP and gets away with it. There's precious little userspace software
compiled with frame pointers these days on most architectures.

yes and yes. With control over the entire stack we are making sure frame-pointers are enabled as much as possible.

David

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