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If the user passes enough space, output the per cpu states instead of 

aggregating them.
This commit is contained in:
christos 2003-10-03 15:33:42 +00:00
parent 72eafe083f
commit 1f6ab188f9
1 changed files with 27 additions and 10 deletions
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37
sys/kern/kern_sysctl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_sysctl.c,v 1.148 2003/10/02 09:30:16 kleink Exp $ */
/* $NetBSD: kern_sysctl.c,v 1.149 2003/10/03 15:33:42 christos Exp $ */
/*-
* Copyright (c) 1982, 1986, 1989, 1993
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sysctl.c,v 1.148 2003/10/02 09:30:16 kleink Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sysctl.c,v 1.149 2003/10/03 15:33:42 christos Exp $");
#include "opt_ddb.h"
#include "opt_insecure.h"
@ -295,19 +295,36 @@ static int
sysctl_docptime(void *oldp, size_t *oldlenp, void *newp)
{
u_int64_t cp_time[CPUSTATES];
int i;
struct cpu_info *ci;
CPU_INFO_ITERATOR cii;
int ncpus = sysctl_ncpus();
for (i = 0; i < CPUSTATES; i++)
cp_time[i] = 0;
if (*oldlenp == sizeof(cp_time)) {
size_t i;
for (CPU_INFO_FOREACH(cii, ci)) {
for (i = 0; i < CPUSTATES; i++)
cp_time[i] += ci->ci_schedstate.spc_cp_time[i];
}
return (sysctl_rdstruct(oldp, oldlenp, newp,
cp_time, sizeof(cp_time)));
cp_time[i] = 0;
for (CPU_INFO_FOREACH(cii, ci)) {
for (i = 0; i < CPUSTATES; i++)
cp_time[i] += ci->ci_schedstate.spc_cp_time[i];
}
return sysctl_rdstruct(oldp, oldlenp, newp,
cp_time, sizeof(cp_time));
} else if (*oldlenp == sizeof(cp_time) * ncpus) {
int error;
for (CPU_INFO_FOREACH(cii, ci)) {
if ((error = sysctl_rdstruct(oldp, oldlenp, newp,
ci->ci_schedstate.spc_cp_time,
sizeof(ci->ci_schedstate.spc_cp_time))) != 0)
return error;
oldp = ((char *)oldp) + sizeof(cp_time);
}
*oldlenp = ncpus * sizeof(cp_time);
return 0;
} else
return EINVAL;
}
static int