6120 2014-04-04 13:00:32 +0000 perf top command does not work on QemuPPC 2016-08-01 09:00:28 +0000 1 1 11 Runtime General Runtime General Runtime 1.6 x86 ppc RESOLVED NOTABUG Medium normal 2.2 M3 1 catalin.scrieciu dengke.du alexandra.safta dvhart richard.purdie sgw --- --- Don't know oldest_to_newest 42289 0 catalin.scrieciu 2014-04-04 13:00:32 +0000 While running the tools on target tests we discovered an issue when executing the "perf top" command" root@qemuppc:~#perf top Failed to open /tmp/perf-485.map, continuing without symbols After the message above is displayed no prompt is returned and the target freezes. 42359 1 alexandra.safta 2014-04-08 07:13:29 +0000 Test object: 1.6_M5_RC2:3e528d3e4bc542ca2f654c54363c56af0fb9f61b Test target: qemuPPC Test host: Ubuntu 12.04 42537 2 dvhart 2014-04-10 14:43:53 +0000 Does this only fail on PPC? 42539 3 alexandra.safta 2014-04-10 14:51:12 +0000 Yes, this worked fine on QemuARM. 42541 4 dvhart 2014-04-10 14:52:31 +0000 This does work on x86 for me, this appears to be ppc specific. Enea, can you dig into this some more? 43272 5 b40290 2014-05-13 03:06:57 +0000 "perf top" command work well on p1022ds. I think this is about qemppc kernel issue. 43837 6 catalin.scrieciu 2014-06-10 09:25:17 +0000 We at Enea have encountered the same issue in our Yocto based distribution also and this will be investigated in the near future. The investigation of this bug will be included in one of the next sprints. We will get back with information regarding this. 44070 7 sjolley.yp.pm 2014-06-18 17:41:02 +0000 Assigned to person we are requesting info from per RP. 44664 8 richard.purdie 2014-07-24 15:03:39 +0000 Bug will be worked on Status -> Accepted 64707 9 dengke.du 2016-08-01 01:37:53 +0000 This works on my build. ../conf/local.conf: ...... IMAGE_INSTALL_append = " perf perf-doc" 64713 10 dengke.du 2016-08-01 09:00:28 +0000 Now, this wroks for my build. //dengke