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Load the struct rusage text, data, and stack fields from the vmspace struct.

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Before they were all 0. We update them when we call getrusage() or on
process exit() so that the children rusage is accounted for.
This commit is contained in:
christos 2018-05-07 21:03:45 +00:00
parent 61768d92a9
commit e0983e96df
3 changed files with 19 additions and 5 deletions
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5
sys/kern/kern_exit.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_exit.c,v 1.270 2017/11/07 19:44:04 christos Exp $ */
/* $NetBSD: kern_exit.c,v 1.271 2018/05/07 21:03:45 christos Exp $ */
/*-
* Copyright (c) 1998, 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.270 2017/11/07 19:44:04 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.271 2018/05/07 21:03:45 christos Exp $");
#include "opt_ktrace.h"
#include "opt_dtrace.h"
@ -325,6 +325,7 @@ exit1(struct lwp *l, int exitcode, int signo)
* we run at this moment, nothing runs in userland
* anymore.
*/
ruspace(p); /* Update our vm resource use */
uvm_proc_exit(p);
/*

16
sys/kern/kern_resource.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_resource.c,v 1.177 2018/04/08 11:43:01 mlelstv Exp $ */
/* $NetBSD: kern_resource.c,v 1.178 2018/05/07 21:03:45 christos Exp $ */
/*-
* Copyright (c) 1982, 1986, 1991, 1993
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_resource.c,v 1.177 2018/04/08 11:43:01 mlelstv Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_resource.c,v 1.178 2018/05/07 21:03:45 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -577,6 +577,7 @@ getrusage1(struct proc *p, int who, struct rusage *ru) {
switch (who) {
case RUSAGE_SELF:
mutex_enter(p->p_lock);
ruspace(p);
memcpy(ru, &p->p_stats->p_ru, sizeof(*ru));
calcru(p, &ru->ru_utime, &ru->ru_stime, NULL, NULL);
rulwps(p, ru);
@ -594,6 +595,17 @@ getrusage1(struct proc *p, int who, struct rusage *ru) {
return 0;
}
void
ruspace(struct proc *p)
{
struct vmspace *vm = p->p_vmspace;
struct rusage *ru = &p->p_stats->p_ru;
ru->ru_ixrss = vm->vm_tsize << (PAGE_SHIFT - 10);
ru->ru_idrss = vm->vm_dsize << (PAGE_SHIFT - 10);
ru->ru_isrss = vm->vm_ssize << (PAGE_SHIFT - 10);
}
void
ruadd(struct rusage *ru, struct rusage *ru2)
{

3
sys/sys/resourcevar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: resourcevar.h,v 1.56 2015/10/18 00:28:15 jmcneill Exp $ */
/* $NetBSD: resourcevar.h,v 1.57 2018/05/07 21:03:45 christos Exp $ */
/*
* Copyright (c) 1991, 1993
@ -115,6 +115,7 @@ void lim_setcorename(struct proc *, char *, size_t);
void lim_free(struct plimit *);
void resource_init(void);
void ruspace(struct proc *);
void ruadd(struct rusage *, struct rusage *);
void rulwps(proc_t *, struct rusage *);
struct pstats *pstatscopy(struct pstats *);