The "adb shell vmstat" output is very interesting: When I don't do anything: procs memory system cpu r b free mapped anon slab in cs flt us ni sy id wa ir 0 0 17788 43468 270420 19752 91 114 0 0 0 0 99 0 0 0 0 17788 43468 270420 19752 66 79 0 0 0 2 99 0 0 0 0 17796 43468 270420 19752 99 97 0 0 0 0 99 0 0 0 0 17796 43468 270420 19752 30 52 0 0 0 0 99 0 0
When I start my app, and it builds the UI loads data: 0 0 17328 43884 270812 19760 1386 2082 0 22 0 13 65 0 0 1 0 17328 43884 270812 19760 500 549 0 9 0 5 86 0 0 0 0 17328 43884 270812 19760 560 726 0 6 0 11 83 0 0 0 0 17320 43884 270812 19760 518 676 0 7 0 3 91 0 0 0 0 17320 43884 270836 19760 685 1400 0 12 1 5 82 0 0 0 0 17304 44088 270888 19764 644 548 0 3 0 10 87 0 0 0 0 17260 43884 270884 19768 732 1624 0 27 0 7 66 0 0 0 0 17260 43884 270884 19768 396 364 0 1 0 0 99 0 0 0 0 17260 43884 270884 19768 500 640 0 8 0 0 93 0 0 The view is ready, and I scroll the view: procs memory system cpu r b free mapped anon slab in cs flt us ni sy id wa ir 1 0 17260 43884 270904 19756 1351 1774 0 40 0 12 48 0 0 1 0 17260 43884 270904 19756 1156 1459 0 91 0 8 1 0 0 1 0 17260 43884 270908 19760 1357 2328 0 89 0 8 4 0 0 3 0 17260 43884 270908 19756 1521 1836 0 82 0 18 0 0 0 1 0 17260 43884 270912 19756 652 1357 0 90 0 10 0 0 0 5 0 17260 44116 270936 19756 640 1278 0 78 0 8 14 0 0 1 0 17240 44116 270944 19756 2006 4781 0 32 0 21 47 0 0 0 0 17180 44112 271032 19756 1117 2266 0 24 4 4 68 0 0 Why scrolling needs so many CPU-usage? On Jan 18, 9:55 am, b_t <bartata...@gmail.com> wrote: > Hi, > > my app hasperformanceproblems, and I don't understand why. > It has a not too complicated UI, andTraceviewdisplays the > following result (a row below an other is it's child): > > METHOD Incl% > Calls+Recur > android/os/Handler.dispatchMessage 90.5% 117+0 > android/view/ViewRoot.handleMessage 84.8% 7+0 > android/view/ViewRoot.performTraversals 83.7% 4+0 > ----------------------------------- > android/view/View.measure 75.3% > 4+5639 > android/widget/FrameLayout.onMeasure 75.3% 4+10 > android/view/ViewGroup.measureChildWithMargins 75.3% 4+3467 > ----------------------------------- > android/view/View.measure 75.3% > 4+5639 > android/widget/FrameLayout.onMeasure 75.3% 4+10 > android/view/ViewGroup.measureChildWithMargins 75.3% 4+3467 > .... > > There is no my class in these calls. > > Can somebody help me? What should I do to solve this problem? > > Thanks, T. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
