On Sun, Dec 4, 2022 at 9:56 PM kernel test robot <yujie.liu@xxxxxxxxx> wrote: > > Greeting, > > FYI, we noticed a -5.1% regression of unixbench.score due to commit: > [...] > 9cd6ffa60256e931 f1a7941243c102a44e8847e3b94 > ---------------- --------------------------- > %stddev %change %stddev > \ | \ > 7917 -5.1% 7509 unixbench.score What is unixbench.score? > 10485 -12.1% 9216 unixbench.time.maximum_resident_set_size > 37236706 -5.1% 35324104 unixbench.time.minor_page_faults For above two, is negative change good or bad? > 0.98 ą 20% +0.7 1.64 ą 38% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat > 2.12 ą 19% +0.8 2.96 ą 13% perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault > 2.35 ą 13% +0.9 3.28 ą 13% perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault > 0.14 ą 74% +0.4 0.55 ą 32% perf-profile.children.cycles-pp.do_task_dead > 0.04 ą223% +0.4 0.47 ą 49% perf-profile.children.cycles-pp.__mmdrop Also how should I interpret the above perf-profiles?
