diff options
| author | christos <christos@NetBSD.org> | 2015-09-30 22:01:06 +0000 |
|---|---|---|
| committer | christos <christos@NetBSD.org> | 2015-09-30 22:01:06 +0000 |
| commit | e137d3e0cc26fa9bd0abf9c93f273405d3262454 (patch) | |
| tree | 4ee836ef475344e4753a6ed6556d65a847f12a1e /external/cddl/dtracetoolkit/dist/JavaScript/js_objcpu.d | |
| parent | fb62d9db1152e5cb288c8d7b66f2d506bc3b5d10 (diff) | |
Import the dtrace toolkit from FreeBSD; simple scripts such as dtruss work
unmodified. For others we'll need to add the missing probes and adjust.
This is not attached to the build.
Diffstat (limited to 'external/cddl/dtracetoolkit/dist/JavaScript/js_objcpu.d')
| -rwxr-xr-x | external/cddl/dtracetoolkit/dist/JavaScript/js_objcpu.d | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/external/cddl/dtracetoolkit/dist/JavaScript/js_objcpu.d b/external/cddl/dtracetoolkit/dist/JavaScript/js_objcpu.d new file mode 100755 index 00000000000..fbed6cc66a4 --- /dev/null +++ b/external/cddl/dtracetoolkit/dist/JavaScript/js_objcpu.d @@ -0,0 +1,61 @@ +#!/usr/sbin/dtrace -Zs +/* + * js_objcpu.d - measure JavaScript object creation on-CPU time using DTrace. + * Written for the JavaScript DTrace provider. + * + * $Id: js_objcpu.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ + * + * This traces JavaScript activity from all browsers running on the system + * with JavaScript provider support. + * + * USAGE: js_objcpu.d # hit Ctrl-C to end + * + * Class names are printed if available. + * + * 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"); +} + +javascript*:::object-create-start +{ + self->vstart = vtimestamp; +} + +javascript*:::object-create-done +/self->vstart/ +{ + this->oncpu = vtimestamp - self->vstart; + @total = sum(this->oncpu); + @dist[copyinstr(arg1)] = quantize(this->oncpu / 1000); + self->vstart = 0; +} + +dtrace:::END +{ + normalize(@total, 1000000); + printa("Total object creation on-CPU time (ms): %@d\n\n", @total); + printf("Object creation on-CPU time distributions (us),\n"); + printa(@dist); +} |
