NAME

tcl_syscalls.d - count Tcl calls and syscalls using DTrace.

SYNOPSIS

tcl_syscalls.d { -p PID | -c cmd }

DESCRIPTION

This traces activity from all Tcl processes on the system with DTrace provider support (tcl8.4.16).

OS

Any

STABILITY

Evolving - uses the DTrace Tcl provider, which may change as additional features are introduced. Check Tcl/Readme to see what version these scripts are based on.

EXAMPLES

Default output,

# tcl_syscalls.d

FIELDS

PID

Process ID

TYPE

Type of call (method/syscall)

NAME

Name of call

COUNT

Number of calls during sample

DOCUMENTATION

See the DTraceToolkit for further documentation under the Examples, Notes and Docs directories. The example files may be especially useful as they aim to demonstrate how to interpret the output.

EXIT

tcl_syscalls.d will run until Ctrl-C is hit.

AUTHOR

Brendan Gregg [CA, USA]

SEE ALSO

dtrace(1M)