| Server IP : 216.250.13.251 / Your IP : 216.73.217.100 Web Server : nginx/1.24.0 System : Linux gunay 6.8.0-134-generic #134-Ubuntu SMP PREEMPT_DYNAMIC Fri Jun 26 18:43:11 UTC 2026 x86_64 User : root ( 0) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/share/doc/bpftrace/examples/ |
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Demonstrations of naptime, the Linux bpftrace/eBPF version. Tracing application sleeps via the nanosleep(2) syscall: # ./naptime.bt Attaching 2 probes... Tracing sleeps. Hit Ctrl-C to end. TIME PCOMM PPID COMM PID SECONDS 15:50:00 1 systemd 1319 mysqld 1.000 15:50:01 4388 bash 25250 sleep 5.000 15:50:01 1 systemd 1319 mysqld 1.000 15:50:01 1 systemd 1180 cron 60.000 15:50:01 1 systemd 1180 cron 60.000 15:50:02 1 systemd 1319 mysqld 1.000 [...] The output shows mysqld performing a one second sleep every second (likely a daemon thread), a sleep(1) command sleeping for five seconds and called by bash, and cron threads sleeping for 60 seconds.