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author | gnn <gnn@FreeBSD.org> | 2012-05-12 21:25:48 +0000 |
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committer | gnn <gnn@FreeBSD.org> | 2012-05-12 21:25:48 +0000 |
commit | 2325662608ef525d2b16f218c7f92205ae571d5c (patch) | |
tree | 349c87edcb2d1f2a1040b9630b1fddf85a3484a0 /cddl/contrib/dtracetoolkit/JavaScript/js_cpudist.d | |
parent | 0778d9c814eb131045e6c28e219184601f3c9e19 (diff) | |
parent | 4297c1b2d07fec7f50b70e26e3adb4d062b19e15 (diff) | |
download | FreeBSD-src-2325662608ef525d2b16f218c7f92205ae571d5c.zip FreeBSD-src-2325662608ef525d2b16f218c7f92205ae571d5c.tar.gz |
Import dtracetoolkit into cddl/contrib
Diffstat (limited to 'cddl/contrib/dtracetoolkit/JavaScript/js_cpudist.d')
-rwxr-xr-x | cddl/contrib/dtracetoolkit/JavaScript/js_cpudist.d | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/JavaScript/js_cpudist.d b/cddl/contrib/dtracetoolkit/JavaScript/js_cpudist.d new file mode 100755 index 0000000..cbe168d --- /dev/null +++ b/cddl/contrib/dtracetoolkit/JavaScript/js_cpudist.d @@ -0,0 +1,101 @@ +#!/usr/sbin/dtrace -Zs +/* + * js_cpudist.d - measure JavaScript on-CPU times for types of operation. + * Written for the JavaScript DTrace provider. + * + * $Id: js_cpudist.d 63 2007-10-04 04:34:38Z brendan $ + * + * This traces JavaScript activity from all browsers running on the system with + * JavaScript provider support. + * + * USAGE: js_cpudist.d # hit Ctrl-C to end + * + * FIELDS: + * 1 Filename of the JavaScript program + * 2 Type of call (func/obj-new) + * 3 Name of call + * + * Filename and function 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*:::function-entry +{ + self->depth++; + self->exclude[self->depth] = 0; + self->function[self->depth] = vtimestamp; +} + +javascript*:::function-return +/self->function[self->depth]/ +{ + this->oncpu_incl = vtimestamp - self->function[self->depth]; + this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth]; + self->function[self->depth] = 0; + self->exclude[self->depth] = 0; + this->file = basename(copyinstr(arg0)); + this->name = copyinstr(arg2); + + @types_incl[this->file, "func", this->name] = + quantize(this->oncpu_incl / 1000); + @types_excl[this->file, "func", this->name] = + quantize(this->oncpu_excl / 1000); + + self->depth--; + self->exclude[self->depth] += this->oncpu_incl; +} + +javascript*:::object-create-start +{ + self->object = vtimestamp; +} + +javascript*:::object-create-done +/self->object/ +{ + this->oncpu = vtimestamp - self->object; + self->object = 0; + this->file = basename(copyinstr(arg0)); + this->name = copyinstr(arg1); + + @types[this->file, "obj-new", this->name] = + quantize(this->oncpu / 1000); + + self->exclude[self->depth] += this->oncpu; +} + +dtrace:::END +{ + printf("\nElapsed times (us),\n"); + printa(" %s, %s, %s %@d\n", @types); + + printf("\nExclusive function on-CPU times (us),\n"); + printa(" %s, %s, %s %@d\n", @types_excl); + + printf("\nInclusive function on-CPU times (us),\n"); + printa(" %s, %s, %s %@d\n", @types_incl); +} |