> Testing: > The guest can use PEBS feature like native. e.g. Could you please add example qemu command lines too? That will make it much easier for someone to reproduce. -Andi > > # perf record -e instructions:ppp ./br_instr a > > perf report on guest: > # Samples: 2K of event 'instructions:ppp', # Event count (approx.): 1473377250 > # Overhead Command Shared Object Symbol > 57.74% br_instr br_instr [.] lfsr_cond > 41.40% br_instr br_instr [.] cmp_end > 0.21% br_instr [kernel.kallsyms] [k] __lock_acquire > > perf report on host: > # Samples: 2K of event 'instructions:ppp', # Event count (approx.): 1462721386 > # Overhead Command Shared Object Symbol > 57.90% br_instr br_instr [.] lfsr_cond > 41.95% br_instr br_instr [.] cmp_end > 0.05% br_instr [kernel.vmlinux] [k] lock_acquire