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[warmcat <1018092@xxxxxxxxxxxxxxxxxx>]

Dave please see if you can reproduce on tilt-3.4 / omap4plus_defconfig
and/or figure out what if anything we're missing.

** Changed in: linaro-landing-team-ti
     Assignee: (unassigned) => David Long (dave-long)

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https://bugs.launchpad.net/bugs/1018092

Title:
  Perf test fails on Pandaboard (3.4 TILT)

Status in Linaro Texas Instruments Landing Team:
  New
Status in Linaro Ubuntu Evaluation Builds:
  Confirmed

Bug description:
  Test case available at lava-tests, and which can also be used from
  https://code.launchpad.net/~linaro-maintainers/lava-test/lava-test-
  perf.

  ./run-perf-test.sh 
  + whoami
  + [ root != root ]
  + uname -r
  + cut -f 1 -d-
  + KERNELVER=3.4.0
  + apt-cache search linux-linaro-tools-3.4.0
  + head -1
  + cut -f 1 -d 
  + PKGNAME=linux-linaro-tools-3.4.0-1-linaro-llt-origen
  + PERFBIN_PREFIX=/usr/bin/perf_
  + uname -r
  + awk -F - {print $1"-"$2}
  + PERFBIN_VER=3.4.0-1
  + [ ! -e /usr/bin/perf_3.4.0-1 ]
  + echo Performing perf record test...
  Performing perf record test...
  + TCID=perf record test
  + perf record -e cycles -o perf-lava-test.data stress -c 4 -t 10
  + tee perf-record.log
  stress: info: [5325] dispatching hogs: 4 cpu, 0 io, 0 vm, 0 hdd
  stress: info: [5325] successful run completed in 10s
  [ perf record: Woken up 3 times to write data ]
  [ perf record: Captured and wrote 0.766 MB perf-lava-test.data (~33480 samples) ]
  + grep -ao [0-9]\+[ ]\+samples perf-record.log
  + cut -f 1 -d 
  + samples=33480
  + [ 33480 -gt 1 ]
  + echo perf record test : PASS
  perf record test : PASS
  + rm perf-record.log
  + echo Performing perf report test...
  Performing perf report test...
  + TCID=perf report test
  + perf+ tee perf-report.log
   report -i perf-lava-test.data
  # ========
  # captured on: Tue Jun 26 20:03:22 2012
  # hostname : linaro-ubuntu-desktop
  # os release : 3.4.0-1-linaro-lt-omap
  # perf version : 3.4.0
  # arch : armv7l
  # nrcpus online : 2
  # nrcpus avail : 2
  # cpudesc : ARMv7 Processor rev 10 (v7l)
  # total memory : 974156 kB
  # cmdline : /usr/bin/perf_3.4.0-1 record -e cycles -o perf-lava-test.data stress -c 4 -t 10 
  # event : name = cycles, type = 1, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, id = { 15, 16 }
  # HEADER_CPU_TOPOLOGY info available, use -I to display
  # ========
  #
  # Events: 19K cpu-clock
  #
  # Overhead  Command      Shared Object                           Symbol
  # ........  .......  .................  ...............................
  #
      38.10%   stress  libc-2.15.so       [.] random_r                   
      36.33%   stress  libc-2.15.so       [.] random                     
      20.79%   stress  stress             [.] atoll_b                    
       3.69%   stress  libc-2.15.so       [.] rand                       
       0.85%   stress  stress             [.] main                       
       0.16%   stress  [kernel.kallsyms]  [k] _raw_spin_unlock_irqrestore
       0.04%   stress  [kernel.kallsyms]  [k] _raw_spin_unlock_irq       
       0.03%   stress  [kernel.kallsyms]  [k] __do_softirq               
       0.01%   stress  [kernel.kallsyms]  [k] vfp_support_entry          
       0.01%   stress  [kernel.kallsyms]  [k] vfp_save_state             
       0.01%   stress  [kernel.kallsyms]  [k] lock_acquire               
       0.01%   stress  [kernel.kallsyms]  [k] rcu_process_gp_end.isra.23 
       0.01%   stress  [kernel.kallsyms]  [k] kfree_skbmem               
       0.00%   stress  [kernel.kallsyms]  [k] debug_check_no_locks_freed 
       0.00%   stress  [kernel.kallsyms]  [k] filemap_fault              
       0.00%   stress  [kernel.kallsyms]  [k] proc_flush_task_mnt        

  
  #
  # (For a higher level overview, try: perf report --sort comm,dso)
  #
  + grep -c -e ^[ ]\+[0-9]\+.[0-9]\+% perf-report.log
  + pcnt_samples=16
  + [ 16 -gt 1 ]
  + echo perf report test : PASS
  perf report test : PASS
  + rm perf-report.log perf-lava-test.data
  + echo Performing perf stat test...
  Performing perf stat test...
  + TCID=perf stat test
  + perf stat -e cycles stress -c 4 -t 10
  + tee perf-stat.log
    Error: open_counter returned with 19 (No such device). /bin/dmesg may provide additional information.

    Fatal: Not all events could be opened.

  + grep -o [0-9,]\+[ ]\+cycles perf-stat.log
  + sed s/,//g
  + cut -f 1 -d 
  + cycles=
  + [ -gt 1 ]
  ./run-perf-test.sh: 71: [: -gt: unexpected operator
  + echo perf stat test : FAIL
  perf stat test : FAIL
  + rm perf-stat.log
  + echo Performing 'perf test'...
  Performing 'perf test'...
  + TCID=perf test
  + perf test
  + sed -e s/FAILED!/FAIL/g -e s/Ok/PASS/g -e s/ [0-9]\+:/perf test -/g -e s/:/ :/g
  perf test - vmlinux symtab matches kallsyms : FAIL

  perf test - detect open syscall event : FAIL

  perf test - detect open syscall event on all cpus : FAIL

  perf test - read samples using the mmap interface : FAIL

  perf test - parse events tests :invalid or unsupported event : 'syscalls :sys_enter_open'
  Run 'perf list' for a list of valid events
   FAIL

  perf test - Validate PERF_RECORD_* events & perf_sample fields : FAIL

  perf test - Test perf pmu format parsing : PASS

  Using:
  Hwpack: hwpack_linaro-lt-panda-x11-base_20120626-139_armhf_supported.tar.gz
  Rootfs: linaro-precise-ubuntu-desktop-20120626-247.tar.gz

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