root@emad:/opt/ltp/testcases/bin# ./perf_event_open01
perf_event_open01 1 TFAIL : perf_event_open01.c:158: perf_event_open failed unexpectedly: TEST_ERRNO=EOPNOTSUPP(95): Operation not supported

root@emad:/opt/ltp/testcases/bin# ./perf_event_open02
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WARNING: CPU: 2 PID: 24 at kernel/events/core.c:764 perf_cpu_hrtimer_handler+0x1f0/0x20c()
Modules linked in:
CPU: 2 PID: 24 Comm: ksoftirqd/2 Tainted: G W 3.14.61-rt62_1.0.0_ga-emad+g327d5c9 #13
[<80014900>] (unwind_backtrace) from [<8001175c>] (show_stack+0x10/0x14)
[<8001175c>] (show_stack) from [<805d1528>] (dump_stack+0x84/0xc8)
[<805d1528>] (dump_stack) from [<8002fb30>] (warn_slowpath_common+0x6c/0x88)
[<8002fb30>] (warn_slowpath_common) from [<8002fbe8>] (warn_slowpath_null+0x1c/0x24)
[<8002fbe8>] (warn_slowpath_null) from [<8009f1c8>] (perf_cpu_hrtimer_handler+0x1f0/0x20c)
[<8009f1c8>] (perf_cpu_hrtimer_handler) from [<8004f2b0>] (run_hrtimer_softirq+0x84/0x168)
[<8004f2b0>] (run_hrtimer_softirq) from [<80033d94>] (do_current_softirqs+0x1a0/0x24c)
[<80033d94>] (do_current_softirqs) from [<80034224>] (run_ksoftirqd+0x30/0x50)
[<80034224>] (run_ksoftirqd) from [<800538f0>] (smpboot_thread_fn+0x1a8/0x2b8)
[<800538f0>] (smpboot_thread_fn) from [<8004c4cc>] (kthread+0xbc/0xd4)
[<8004c4cc>] (kthread) from [<8000e4c0>] (ret_from_fork+0x14/0x34)
---[ end trace 00000000000002c6 ]---
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