diff options
Diffstat (limited to '')
-rw-r--r-- | src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/rwinfo.d | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/rwinfo.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/rwinfo.d new file mode 100644 index 00000000..866678ef --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/struct/rwinfo.d @@ -0,0 +1,59 @@ +/* + * 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. + */ + +struct callinfo { + uint64_t ts; /* timestamp of last syscall entry */ + uint64_t elapsed; /* total elapsed time in nanoseconds */ + uint64_t calls; /* number of calls made */ + size_t maxbytes; /* maximum byte count argument */ +}; + +struct callinfo i[string]; /* declare i as an associative array */ + +syscall::read:entry, syscall::write:entry +/pid == $1/ +{ + i[probefunc].ts = timestamp; + i[probefunc].calls++; + i[probefunc].maxbytes = arg2 > i[probefunc].maxbytes ? + arg2 : i[probefunc].maxbytes; +} + +syscall::read:return, syscall::write:return +/i[probefunc].ts != 0 && pid == $1/ +{ + i[probefunc].elapsed += timestamp - i[probefunc].ts; +} + +END +{ + printf(" calls max bytes elapsed nsecs\n"); + printf("------ ----- --------- -------------\n"); + printf(" read %5d %9d %d\n", + i["read"].calls, i["read"].maxbytes, i["read"].elapsed); + printf(" write %5d %9d %d\n", + i["write"].calls, i["write"].maxbytes, i["write"].elapsed); +} |