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#!/usr/sbin/dtrace -Zs
/*
* rb_calls.d - count Ruby calls using DTrace.
* Written for the Ruby DTrace provider.
*
* $Id: rb_calls.d 28 2007-09-13 10:49:37Z brendan $
*
* This traces activity from all Ruby programs on the system that are
* running with Ruby provider support.
*
* USAGE: rb_calls.d # hit Ctrl-C to end
*
* FIELDS:
* FILE Filename of the Ruby program
* TYPE Type of call (method/obj-new/...)
* NAME Descriptive name of call
* COUNT Number of calls during sample
*
* Filename and method 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");
}
ruby*:::function-entry
{
this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1));
@calls[basename(copyinstr(arg2)), "method", this->name] = count();
}
ruby*:::object-create-start
{
this->name = copyinstr(arg0);
this->filename = basename(copyinstr(arg1));
this->filename = this->filename != NULL ? this->filename : ".";
@calls[this->filename, "obj-new", this->name] = count();
}
ruby*:::object-free
{
this->name = copyinstr(arg0);
@calls[".", "obj-free", this->name] = count();
}
ruby*:::gc-begin
{
@calls[".", "gc", "begin"] = count();
}
ruby*:::raise
{
this->name = copyinstr(arg0);
@calls[basename(copyinstr(arg1)), "raise", this->name] = count();
}
ruby*:::rescue
{
@calls[basename(copyinstr(arg0)), "rescue", "-"] = count();
}
dtrace:::END
{
printf(" %-24s %-10s %-30s %8s\n", "FILE", "TYPE", "NAME", "CALLS");
printa(" %-24s %-10s %-30s %@8d\n", @calls);
}
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