c29d517558
unmodified. For others we'll need to add the missing probes and adjust. This is not attached to the build.
96 lines
2.2 KiB
D
Executable File
96 lines
2.2 KiB
D
Executable File
#!/usr/sbin/dtrace -s
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/*
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* stacksize.d - measure stack size for running threads.
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* Written using DTrace (Solaris 10 3/05).
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*
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* $Id: stacksize.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $
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*
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* USAGE: stacksize.d # hit Ctrl-C to end sample
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*
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* FIELDS:
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* value size of the user stack
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* count number of samples at this size
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*
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* SEE ALSO: pmap(1)
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*
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* COPYRIGHT: Copyright (c) 2006 Jonathan Adams
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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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* 16-Feb-2006 Jonathan Adams Created this.
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* 16-Feb-2006 " " Last update.
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*/
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#pragma D option quiet
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this uintptr_t stkinfoptr;
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this uintptr_t stkptr;
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dtrace:::BEGIN
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{
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trace("Sampling... Hit Ctrl-C to end\n");
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}
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sched:::on-cpu, profile:::profile-997
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{
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this->stkinfoptr = 0;
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this->stkptr = 0;
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}
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sched:::on-cpu, profile:::profile-997
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/execname != "sched"/
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{
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this->stkinfoptr = curthread->t_lwp->lwp_ustack;
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this->stkptr = (uintptr_t)0;
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}
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sched:::on-cpu, profile:::profile-997
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/this->stkinfoptr != 0 && curpsinfo->pr_dmodel == PR_MODEL_ILP32/
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{
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this->stkinfo32 = (stack32_t *)copyin(this->stkinfoptr,
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sizeof (stack32_t));
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this->stktop = (uintptr_t)this->stkinfo32->ss_sp +
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this->stkinfo32->ss_size;
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this->stkptr = (uintptr_t)uregs[R_SP];
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}
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sched:::on-cpu, profile:::profile-997
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/this->stkinfoptr != 0 && curpsinfo->pr_dmodel == PR_MODEL_LP64/
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{
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this->stkinfo = (stack_t *)copyin(this->stkinfoptr,
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sizeof (stack_t));
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this->stktop = (uintptr_t)this->stkinfo->ss_sp +
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this->stkinfo->ss_size;
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this->stkptr = (uintptr_t)uregs[R_SP];
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}
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sched:::on-cpu, profile:::profile-997
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/this->stkptr != 0/
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{
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@sizes[execname] = quantize(this->stktop - this->stkptr);
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}
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dtrace:::ERROR
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{
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@errors[execname] = count();
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}
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dtrace:::END
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{
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printa(@sizes);
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printf("\nErrors:\n");
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printa(" %@d %s\n", @errors);
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}
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