diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Ruby/rb_flow.d')
-rwxr-xr-x | cddl/contrib/dtracetoolkit/Ruby/rb_flow.d | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Ruby/rb_flow.d b/cddl/contrib/dtracetoolkit/Ruby/rb_flow.d new file mode 100755 index 0000000..e4ff760 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Ruby/rb_flow.d @@ -0,0 +1,72 @@ +#!/usr/sbin/dtrace -Zs +/* + * rb_flow.d - snoop Ruby execution showing method flow using DTrace. + * Written for the Ruby DTrace provider. + * + * $Id: rb_flow.d 41 2007-09-17 02:20:10Z brendan $ + * + * This traces activity from all Ruby programs on the system that are + * running with Ruby provider support. + * + * USAGE: rb_flow.d # hit Ctrl-C to end + * + * FIELDS: + * C CPU-id + * TIME(us) Time since boot, us + * FILE Filename that this method belongs to + * CLASS::METHOD Ruby classname and method + * + * LEGEND: + * -> method entry + * <- method return + * + * Filename and method 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; + +dtrace:::BEGIN +{ + printf("%3s %-16s %-22s -- %s\n", "C", "TIME(us)", "FILE", + "CLASS::METHOD"); +} + +ruby*:::function-entry +{ + printf("%3d %-16d %-22s %*s-> %s::%s\n", cpu, timestamp / 1000, + basename(copyinstr(arg2)), self->depth * 2, "", copyinstr(arg0), + copyinstr(arg1)); + self->depth++; +} + +ruby*:::function-return +{ + self->depth -= self->depth > 0 ? 1 : 0; + printf("%3d %-16d %-22s %*s<- %s::%s\n", cpu, timestamp / 1000, + basename(copyinstr(arg2)), self->depth * 2, "", copyinstr(arg0), + copyinstr(arg1)); +} |