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130 lines
3.5 KiB
D
Executable File
130 lines
3.5 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* rb_cputime.d - measure Ruby on-CPU times for types of operation.
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* Written for the Ruby DTrace provider.
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*
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* $Id: rb_cputime.d 49 2007-09-17 12:03:20Z brendan $
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*
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* This traces Ruby activity from all programs running on the system with
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* Ruby provider support.
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*
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* USAGE: rb_cputime.d # hit Ctrl-C to end
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*
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* FIELDS:
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* FILE Filename of the Ruby program
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* TYPE Type of call (method/obj-new/gc/total)
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* NAME Name of call
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* TOTAL Total on-CPU time for calls (us)
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*
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* Filename and method names are printed if available.
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*
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* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 09-Sep-2007 Brendan Gregg Created this.
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*/
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#pragma D option quiet
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dtrace:::BEGIN
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{
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printf("Tracing... Hit Ctrl-C to end.\n");
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}
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ruby*:::function-entry
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{
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self->depth++;
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self->exclude[self->depth] = 0;
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self->function[self->depth] = vtimestamp;
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}
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ruby*:::function-return
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/self->function[self->depth]/
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{
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this->oncpu_incl = vtimestamp - self->function[self->depth];
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this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth];
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self->function[self->depth] = 0;
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self->exclude[self->depth] = 0;
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this->file = basename(copyinstr(arg2));
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this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1));
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@num[this->file, "func", this->name] = count();
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@num["-", "total", "-"] = count();
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@types_incl[this->file, "func", this->name] = sum(this->oncpu_incl);
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@types_excl[this->file, "func", this->name] = sum(this->oncpu_excl);
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@types_excl["-", "total", "-"] = sum(this->oncpu_excl);
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self->depth--;
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self->exclude[self->depth] += this->oncpu_incl;
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}
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ruby*:::object-create-start
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{
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self->object = vtimestamp;
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}
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ruby*:::object-create-done
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/self->object/
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{
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this->oncpu = vtimestamp - self->object;
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self->object = 0;
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this->file = basename(copyinstr(arg1));
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this->file = this->file != NULL ? this->file : ".";
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this->name = copyinstr(arg0);
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@num[this->file, "obj-new", this->name] = count();
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@types[this->file, "obj-new", this->name] = sum(this->oncpu);
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self->exclude[self->depth] += this->oncpu;
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}
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ruby*:::gc-begin
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{
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self->gc = vtimestamp;
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}
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ruby*:::gc-end
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/self->gc/
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{
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this->oncpu = vtimestamp - self->gc;
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self->gc = 0;
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@num[".", "gc", "-"] = count();
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@types[".", "gc", "-"] = sum(this->oncpu);
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self->exclude[self->depth] += this->oncpu;
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}
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dtrace:::END
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{
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printf("\nCount,\n");
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printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
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printa(" %-20s %-10s %-32s %@8d\n", @num);
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normalize(@types, 1000);
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printf("\nElapsed times (us),\n");
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printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
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printa(" %-20s %-10s %-32s %@8d\n", @types);
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normalize(@types_excl, 1000);
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printf("\nExclusive function on-CPU times (us),\n");
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printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
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printa(" %-20s %-10s %-32s %@8d\n", @types_excl);
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normalize(@types_incl, 1000);
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printf("\nInclusive function on-CPU times (us),\n");
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printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
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printa(" %-20s %-10s %-32s %@8d\n", @types_incl);
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}
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