Hi Paolo & Eduardo,
Do we have any comment for the QEMU LBR enabling patches?
https://lore.kernel.org/qemu-devel/20210201045453.240258-1-like...@linux.intel.com/
On 2021/2/1 12:54, Like Xu wrote:
The last branch recording (LBR) is a performance monitor unit (PMU)
feature on Intel processors
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