[PATCH v2 0/7] perf, x86: Haswell LBR call stack support

2013-07-01 Thread Yan, Zheng
From: "Yan, Zheng" Haswell has a new feature that utilizes the existing Last Branch Record facility to record call chains. When the feature is enabled, function call will be collected as normal, but as return instructions are executed the last captured branch record is popped from the on-chip LBR

Re: [PATCH V2 0/7] perf, x86: Haswell LBR call stack support

2012-10-24 Thread Stephane Eranian
On Wed, Oct 24, 2012 at 7:59 AM, Yan, Zheng wrote: > From: "Yan, Zheng" > > Haswell has a new feature that utilizes the existing Last Branch Record > facility to record call chains. When the feature is enabled, function > call will be collected as normal, but as return instructions are executed >

[PATCH V2 0/7] perf, x86: Haswell LBR call stack support

2012-10-23 Thread Yan, Zheng
From: "Yan, Zheng" Haswell has a new feature that utilizes the existing Last Branch Record facility to record call chains. When the feature is enabled, function call will be collected as normal, but as return instructions are executed the last captured branch record is popped from the on-chip LBR