diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/dist/Shell/sh_flowtime.d')
-rwxr-xr-x | cddl/contrib/dtracetoolkit/dist/Shell/sh_flowtime.d | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/dist/Shell/sh_flowtime.d b/cddl/contrib/dtracetoolkit/dist/Shell/sh_flowtime.d new file mode 100755 index 0000000..5df118b --- /dev/null +++ b/cddl/contrib/dtracetoolkit/dist/Shell/sh_flowtime.d @@ -0,0 +1,118 @@ +#!/usr/sbin/dtrace -Zs +/* + * sh_flowtime.d - snoop Bourne shell execution with flow and delta times. + * Written for the sh DTrace provider. + * + * $Id: sh_flowtime.d 45 2007-09-17 08:54:56Z brendan $ + * + * This traces shell activity from all Bourne shells on the system that are + * running with sh provider support. + * + * USAGE: sh_flowtime.d # hit Ctrl-C to end + * + * This watches shell function entries and returns, and indents child + * function calls. Shell builtins are also printed. + * + * FIELDS: + * C CPU-id + * TIME(us) Time since boot, us + * FILE Filename that this function belongs to + * NAME Shell function or builtin name + * + * LEGEND: + * -> function entry + * <- function return + * > builtin + * | external command + * + * DELTAs: + * -> previous line to the start of this function + * <- previous line to the end of this function + * > previous line to the end of this builtin + * | previous line to the end of this command + * + * See sh_flowinfo.d for more verbose and more straightforward delta times. + * + * Filename and function names are printed if available. + * + * WARNING: Watch the first column carefully, it prints the CPU-id. If it + * changes, then it is very likely that the output has been shuffled. + * + * 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 +#pragma D option switchrate=10 + +self int depth; + +self uint64_t last; + +dtrace:::BEGIN +{ + printf("%3s %-16s %-16s %9s -- %s\n", "C", "TIME(us)", "FILE", + "DELTA(us)", "NAME"); +} + +sh*:::function-entry, +sh*:::function-return, +sh*:::builtin-return, +sh*:::command-return +/self->last == 0/ +{ + self->last = timestamp; +} + +sh*:::function-entry +{ + this->elapsed = (timestamp - self->last) / 1000; + printf("%3d %-16d %-16s %9d %*s-> %s\n", cpu, timestamp / 1000, + basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "", + copyinstr(arg1)); + self->depth++; + self->last = timestamp; +} + +sh*:::function-return +{ + this->elapsed = (timestamp - self->last) / 1000; + self->depth -= self->depth > 0 ? 1 : 0; + printf("%3d %-16d %-16s %9d %*s<- %s\n", cpu, timestamp / 1000, + basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "", + copyinstr(arg1)); + self->last = timestamp; +} + +sh*:::builtin-return +{ + this->elapsed = (timestamp - self->last) / 1000; + printf("%3d %-16d %-16s %9d %*s> %s\n", cpu, timestamp / 1000, + basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "", + copyinstr(arg1)); + self->last = timestamp; +} + +sh*:::command-return +{ + this->elapsed = (timestamp - self->last) / 1000; + printf("%3d %-16d %-16s %9d %*s| %s\n", cpu, timestamp / 1000, + basename(copyinstr(arg0)), this->elapsed, self->depth * 2, "", + copyinstr(arg1)); + self->last = timestamp; +} |