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<<Hiperf Report>>
hostname: localhost
osrelease: 5.10.57
arch: armv7l
cpudesc: ARMv7 Processor rev 5 (v7l)
cmdline: hiperf record -d 1 -o /data/local/tmp/dlh.data
hiperf_record_time: Thu Jan  1 01:18:34 1970

Event: hw-cpu-cycles (type 0 id 0)
Samples Count: 20
Event Count: 80277
Heating count comm   pid  tid  dso                          func 
33.66%  27024 hiperf 1204 1205 /system/lib/libc++.so        std::__h::condition_variable::__do_timed_wait(std::__h::unique_lock<std::__h::mutex>&, std::__h::chrono::time_point<std::__h::chrono::system_clock, std::__h::chrono::duration<long long, std::__h::ratio<1ll, 1000000000ll> > >) 
32.58%  26152 hiperf 1204 1205 [kernel.kallsyms]            arm_copy_from_user 
32.58%  26152 hiperf 1204 1205 /system/lib/ld-musl-arm.so.1 __clock_gettime64 
 1.18%    949 hiperf 1204 1205 [kernel.kallsyms]            finish_task_switch 
report done