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#!/usr/sbin/dtrace -Zs
/*
* tcl_syscalls.d - count Tcl calls and syscalls using DTrace.
* Written for the Tcl DTrace provider.
*
* $Id: tcl_syscalls.d 63 2007-10-04 04:34:38Z brendan $
*
* This traces activity from all Tcl processes on the system with DTrace
* provider support (tcl8.4.16).
*
* USAGE: tcl_syscalls.d { -p PID | -c cmd } # hit Ctrl-C to end
*
* FIELDS:
* PID Process ID
* TYPE Type of call (method/syscall)
* NAME Name of call
* COUNT Number of calls during sample
*
* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at Docs/cddl1.txt
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* CDDL HEADER END
*
* 09-Sep-2007 Brendan Gregg Created this.
*/
#pragma D option quiet
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
tcl$target:::proc-entry
{
@calls[pid, "proc", copyinstr(arg0)] = count();
}
tcl$target:::cmd-entry
{
@calls[pid, "cmd", copyinstr(arg0)] = count();
}
syscall:::entry
/pid == $target/
{
@calls[pid, "syscall", probefunc] = count();
}
dtrace:::END
{
printf(" %6s %-8s %-52s %8s\n", "PID", "TYPE", "NAME", "COUNT");
printa(" %6d %-8s %-52s %@8d\n", @calls);
}
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