Here are some random perf profiling results of e20 while running glxgears, firefox, e20, and xorg. As you can see, CPU usage is very high among the first 3 processes, while glxgears uses the least.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2029 toan 23 3 916008 455784 82304 R 26.5 15.6 2:30.99 firefox 1407 toan 20 0 274796 72460 42608 S 25.2 2.5 5:27.64 enlightenment 1160 root 20 0 74944 22396 12252 S 19.2 0.8 1:47.58 Xorg 1753 toan 23 3 34652 15332 8204 S 2.0 0.5 0:26.72 glxgears # Here: execution of Eanimator-vsync, which occurs in kernel space, accounted for 33% of the total latency. # e20 + efl accounted for the remaining 60%. Samples: 102 of event 'cycles', Event count (approx.): 599054751145 Overhead Command Shared Object Symbol 18.72% enlightenment module.so [.] 0x0000d480 15.62% enlightenment libevas.so.1.17.0 [.] evas_common_tilebuf_add_redraw 15.25% enlightenment libeo.so.1.17.0 [.] eo_data_scope_get 13.38% Eanimator-vsync [kernel.kallsyms] [k] rb_erase 12.57% Eanimator-vsync [kernel.kallsyms] [k] fsnotify 12.04% Eanimator-vsync [kernel.kallsyms] [k] dequeue_task_fair 5.20% Eanimator-vsync libeina.so.1.17.0 [.] 0x0004dfb5 4.58% enlightenment module.so [.] 0x0001522c 0.09% enlightenment libeo.so.1.17.0 [.] eo_data_xunref_internal 0.09% enlightenment libeo.so.1.17.0 [.] eo_data_xref_internal 0.08% enlightenment [kernel.kallsyms] [k] __gen6_gt_force_wake_get 0.06% enlightenment libevas.so.1.17.0 [.] 0x000c8050 # This random sample shows that most of the latency occurred at the device driver level. # However, 22% was accounted from e20's module. Samples: 80 of event 'cycles', Event count (approx.): 518514944228 Overhead Command Shared Object Symbol 21.89% enlightenment module.so [.] 0x00006e03 20.84% enlightenment i965_dri.so [.] 0x000d4fe6 15.20% enlightenment i965_dri.so [.] 0x000ef281 14.17% Eanimator-vsync [kernel.kallsyms] [k] update_sd_lb_stats 9.74% Eanimator-vsync [kernel.kallsyms] [k] __sched_text_start 5.98% Eanimator-vsync [kernel.kallsyms] [k] __copy_from_user_ll_nozero 5.74% enlightenment [kernel.kallsyms] [k] drm_ioctl 4.35% Eanimator-vsync [kernel.kallsyms] [k] atomic64_read_cx8 0.10% enlightenment libevas.so.1.17.0 [.] 0x00034b0f 0.07% enlightenment [kernel.kallsyms] [k] x86_pmu_disable 0.07% enlightenment libeina.so.1.17.0 [.] eina_hash_find_by_hash # Similar to the above sample; however efl seems to be the offender this time. # Question: is there anyway we can minimize the frequency of vsync? Samples: 96 of event 'cycles', Event count (approx.): 694200573028 Overhead Command Shared Object Symbol 17.54% enlightenment i965_dri.so [.] 0x003eb52c 16.72% enlightenment libevas.so.1.17.0 [.] evas_common_font_draw_cb 16.43% Eanimator-vsync [kernel.kallsyms] [k] __calc_delta 12.79% enlightenment libevas.so.1.17.0 [.] 0x000c5080 11.09% enlightenment libeo.so.1.17.0 [.] eo_data_scope_get 10.52% Eanimator-vsync [kernel.kallsyms] [k] __sched_text_start 10.03% Eanimator-vsync [kernel.kallsyms] [k] idle_cpu 2.81% Eanimator-vsync libecore.so.1.17.0 [.] ecore_thread_feedback 0.11% enlightenment libevas.so.1.17.0 [.] 0x000c17f6 0.11% enlightenment libc-2.21.so [.] _int_free # High cpu usage from compositing, ie) copying and freeing of evas objects Samples: 75 of event 'cycles', Event count (approx.): 510537695627 Overhead Command Shared Object Symbol 21.39% enlightenment libevas.so.1.17.0 [.] evas_obj_image_data_get 20.04% Eanimator-vsync [kernel.kallsyms] [k] copy_page_from_iter_iovec 19.46% enlightenment i965_dri.so [.] 0x003ec85c 15.33% enlightenment libeo.so.1.17.0 [.] eo_data_xunref_internal 10.35% Eanimator-vsync libecore_x.so.1.17.0 [.] 0x00016013 8.36% Eanimator-vsync [kernel.kallsyms] [k] update_curr 2.88% enlightenment [kernel.kallsyms] [k] del_timer 0.09% enlightenment i965_dri.so [.] 0x00317d55 ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ enlightenment-users mailing list enlightenment-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-users
