diff options
Diffstat (limited to 'src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d')
-rw-r--r-- | src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d new file mode 100644 index 00000000..19a63c5e --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/agg/dateprof.d @@ -0,0 +1,52 @@ +/* + * 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 usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +syscall::exec:return, +syscall::exece:return +/execname == "date"/ +{ + self->start = vtimestamp; +} + +syscall:::entry +/self->start/ +{ + /* + * We linearly quantize on the current virtual time minus our + * process's start time. We divide by 1000 to yield microseconds + * rather than nanoseconds. The range runs from 0 to 10 milliseconds + * in steps of 100 microseconds; we expect that no date(1) process + * will take longer than 10 milliseconds to complete. + */ + @["system calls over time"] = + lquantize((vtimestamp - self->start) / 1000, 0, 10000, 100); +} + +syscall::rexit:entry +/self->start/ +{ + self->start = 0; +} |