83 lines
2.1 KiB
D
Executable File
83 lines
2.1 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* pl_cpudist.d - measure Perl on-CPU times for subroutines.
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* Written for the Perl DTrace provider.
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*
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* $Id: pl_cpudist.d 28 2007-09-13 10:49:37Z brendan $
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*
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* This traces Perl activity from all programs running on the system with
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* Perl provider support.
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*
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* USAGE: pl_cpudist.d # hit Ctrl-C to end
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*
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* This script prints distribution plots of elapsed time for Perl subrotines.
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* Use pl_cputime.d for summary reports.
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*
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* FIELDS:
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* 1 Filename of the Perl program
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* 2 Type of call (sub)
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* 3 Name of call
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*
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* Filename and subroutine 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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perl*:::sub-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->sub[self->depth] = vtimestamp;
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}
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perl*:::sub-return
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/self->sub[self->depth]/
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{
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this->oncpu_incl = vtimestamp - self->sub[self->depth];
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this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth];
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self->sub[self->depth] = 0;
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self->exclude[self->depth] = 0;
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this->file = basename(copyinstr(arg1));
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this->name = copyinstr(arg0);
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@types_incl[this->file, "sub", this->name] =
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quantize(this->oncpu_incl / 1000);
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@types_excl[this->file, "sub", this->name] =
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quantize(this->oncpu_excl / 1000);
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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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dtrace:::END
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{
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printf("\nExclusive subroutine on-CPU times (us),\n");
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printa(" %s, %s, %s %@d\n", @types_excl);
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printf("\nInclusive subroutine on-CPU times (us),\n");
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printa(" %s, %s, %s %@d\n", @types_incl);
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}
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