diff options
Diffstat (limited to 'Tcl/tcl_syscalls.d')
-rwxr-xr-x | Tcl/tcl_syscalls.d | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Tcl/tcl_syscalls.d b/Tcl/tcl_syscalls.d new file mode 100755 index 0000000000000..239d7d0a447d5 --- /dev/null +++ b/Tcl/tcl_syscalls.d @@ -0,0 +1,66 @@ +#!/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); +} |