On Tue, Jan 26, 2016 at 04:41:16PM +0100, Jiri Olsa wrote: > On Tue, Jan 26, 2016 at 12:30:36PM -0300, Arnaldo Carvalho de Melo wrote: > > Em Tue, Jan 26, 2016 at 04:18:00PM +0100, Jiri Olsa escreveu: > > > On Tue, Jan 26, 2016 at 11:49:07PM +0900, Namhyung Kim wrote: > > > > > > SNIP > > > > > > > > __hrtimer_run_queues > > > > > tick_sched_timer > > > > > tick_sched_handle.isra.17 > > > > > update_process_times > > > > > scheduler_tick > > > > > perf_event_task_tick > > > > > perf_pmu_enable.part.87 > > > > > x86_pmu_enable > > > > > intel_pmu_enable_all > > > > > intel_bts_enable_local > > > > > > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] > > > > > perf_pmu_enable.part.87 > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] > > > > > perf_event_context_sched_in > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] perf_event_exec > > > > > > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] setup_new_exec > > > > > > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] load_elf_binary > > > > > > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] > > > > > search_binary_handler > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] > > > > > do_execveat_common.isra.33 > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] sys_execve > > > > > > > > > > 0.08% 0.00% perf [kernel.vmlinux] [k] > > > > > return_from_execve > > > > > 0.08% 0.00% perf [unknown] [k] > > > > > 0x00007f2175b35e07 > > > > > 0.04% 0.00% perf [kernel.vmlinux] [k] > > > > > perf_event_nmi_handler > > > > > 0.04% 0.00% perf [kernel.vmlinux] [k] nmi_handle > > > > > > > > > > 0.04% 0.00% perf [kernel.vmlinux] [k] default_do_nmi > > > > > > > > > > 0.04% 0.00% perf [kernel.vmlinux] [k] do_nmi > > > > > > > > > > 0.04% 0.00% perf [kernel.vmlinux] [k] end_repeat_nmi > > > > > > > > > > 0.04% 0.04% perf [kernel.vmlinux] [k] x86_pmu_enable > > > > > > > > > > 0.04% 0.04% perf [kernel.vmlinux] [k] > > > > > native_apic_mem_write > > > > > > > > > > > > > What's the problem? Now by default callchains under 0.5% (absolute) > > > > will not be shown. I think this is intended output, and we need to > > > > consider changing the default percent limit. > > > > > > hm, just the TUI shows +- for entries with no callchain > > > > Humm, this is an old bug, never got around to try to fix it, or is this > > something you were not experiencing before this patchkit from Namhyung? > > > > well, there were callchains present before this patchset ;-)
That is because we apply percent limit to callchains now, and the default is 0.5%. Before this patchset percent limit seems not applied so you saw the callchains under the limit. Thanks, Namhyung
