[RFC PATCH 2/7] perf, x86: Basic Haswell LBR call stack support

2013-09-26 Thread Yan, Zheng
From: "Yan, Zheng" The new HSW call stack feature provides a facility such that unfiltered call data will be collected as normal, but as return instructions are executed the last captured branch record is popped from the LBR stack. Thus, branch information relative to leaf functions will not be c

Re: [PATCH 2/7] perf, x86: Basic Haswell LBR call stack support

2013-06-25 Thread Yan, Zheng
On 06/25/2013 08:37 PM, Stephane Eranian wrote: > On Tue, Jun 25, 2013 at 10:47 AM, Yan, Zheng wrote: >> From: "Yan, Zheng" >> >> The new HSW call stack feature provides a facility such that >> unfiltered call data will be collected as normal, but as return >> instructions are executed the last c

Re: [PATCH 2/7] perf, x86: Basic Haswell LBR call stack support

2013-06-25 Thread Stephane Eranian
On Tue, Jun 25, 2013 at 10:47 AM, Yan, Zheng wrote: > From: "Yan, Zheng" > > The new HSW call stack feature provides a facility such that > unfiltered call data will be collected as normal, but as return > instructions are executed the last captured branch record is > popped from the LBR stack. T

[PATCH 2/7] perf, x86: Basic Haswell LBR call stack support

2013-06-25 Thread Yan, Zheng
From: "Yan, Zheng" The new HSW call stack feature provides a facility such that unfiltered call data will be collected as normal, but as return instructions are executed the last captured branch record is popped from the LBR stack. Thus, branch information relative to leaf functions will not be c

[PATCH 2/7] perf, x86: Basic Haswell LBR call stack support

2013-02-24 Thread Yan, Zheng
From: "Yan, Zheng" The new HSW call stack feature provides a facility such that unfiltered call data will be collected as normal, but as return instructions are executed the last captured branch record is popped from the LBR stack. Thus, branch information relative to leaf functions will not be c

[PATCH 2/7] perf, x86: Basic Haswell LBR call stack support

2013-01-29 Thread Yan, Zheng
From: "Yan, Zheng" The new HSW call stack feature provides a facility such that unfiltered call data will be collected as normal, but as return instructions are executed the last captured branch record is popped from the LBR stack. Thus, branch information relative to leaf functions will not be c