Hi Eduardo,
On 2020/9/30 1:38, Eduardo Habkost wrote:
(CCing the people from the thread, as kvm_exact_match_flags would
be useful for INTEL_PT_IP_LIP)
On Tue, Sep 29, 2020 at 02:12:17PM +0800, Like Xu wrote:
The last branch recording (LBR) is a performance monitor unit (PMU)
feature on Intel
(CCing the people from the thread, as kvm_exact_match_flags would
be useful for INTEL_PT_IP_LIP)
On Tue, Sep 29, 2020 at 02:12:17PM +0800, Like Xu wrote:
> The last branch recording (LBR) is a performance monitor unit (PMU)
> feature on Intel processors that records a running trace of the most
>
The last branch recording (LBR) is a performance monitor unit (PMU)
feature on Intel processors that records a running trace of the most
recent branches taken by the processor in the LBR stack. The QEMU
could configure whether it's enabled or not for each guest via CLI.
The LBR feature would be
