macOS — DTrace Commands

• bitesize.d(1m) — analyse disk I/O size by process. Uses DTrace
• captoinfo(1m) — convert a termcap description into a terminfo description
• cpuwalk.d(1m) — Measure which CPUs a process runs on. Uses DTrace
• creatbyproc.d(1m) — snoop creat()s by process name. Uses DTrace
• dappprof(1m) — profile user and lib function usage. Uses DTrace
• dapptrace(1m) — trace user and library function usage. Uses DTrace
• dispqlen.d(1m) — dispatcher queue length by CPU. Uses DTrace
• dtruss(1m) — process syscall details. Uses DTrace
• errinfo(1m) — print errno for syscall fails. Uses DTrace
• execsnoop(1m) — snoop new process execution. Uses DTrace
• fddist(1m) — file descriptor usage distributions. Uses DTrace
• filebyproc.d(1m) — snoop opens by process name. Uses DTrace
• hotspot.d(1m) — print disk event by location. Uses DTrace
• infocmp(1m) — compare or print out terminfo descriptions
• infotocap(1m) — convert a terminfo description into a termcap description
• iofile.d(1m) — I/O wait time by file and process. Uses DTrace
• iofileb.d(1m) — I/O bytes by file and process. Uses DTrace
• iopattern(1m) — print disk I/O pattern. Uses DTrace
• iopending(1m) — plot number of pending disk events. Uses DTrace
• iosnoop(1m) — snoop I/O events as they occur. Uses DTrace
• iotop(1m) — display top disk I/O events by process. Uses DTrace
• kill.d(1m) — snoop process signals as they occur. Uses DTrace
• lastwords(1m) — print syscalls before exit. Uses DTrace
• loads.d(1m) — print load averages. Uses DTrace
• newproc.d(1m) — snoop new processes. Uses DTrace
• opensnoop(1m) — snoop file opens as they occur. Uses DTrace
• pathopens.d(1m) — full pathnames opened ok count. Uses DTrace
• pidpersec.d(1m) — print new PIDs per sec. Uses DTrace
• priclass.d(1m) — priority distribution by scheduling class. Uses DTrace
• pridist.d(1m) — process priority distribution. Uses DTrace
• procsystime(1m) — analyse system call times. Uses DTrace
• rwbypid.d(1m) — read/write calls by PID. Uses DTrace
• rwbytype.d(1m) — read/write bytes by vnode type. Uses DTrace
• rwsnoop(1m) — snoop read/write events. Uses DTrace
• sampleproc(1m) — sample processes on the CPUs. Uses DTrace
• seeksize.d(1m) — print disk event seek report. Uses DTrace
• setuids.d(1m) — snoop setuid calls as they occur. Uses DTrace
• sigdist.d(1m) — signal distribution by process. Uses DTrace
• syscallbypid.d(1m) — syscalls by process ID. Uses DTrace
• syscallbyproc.d(1m) — syscalls by process name. Uses DTrace
• syscallbysysc.d(1m) — syscalls by syscall. Uses DTrace
• tic(1m) — the terminfo entry-description compiler
• toe(1m) — table of (terminfo) entries
• topsyscall(1m) — top syscalls by syscall name. Uses DTrace
• topsysproc(1m) — top syscalls by process name. Uses DTrace