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Add code to handle cp_id. From atatat.

This commit is contained in:
christos 2005-06-16 14:56:36 +00:00
parent dfa8191fb3
commit 29a6465002
1 changed files with 89 additions and 2 deletions
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91
sbin/sysctl/sysctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: sysctl.c,v 1.102 2005/04/06 21:13:03 christos Exp $ */
/* $NetBSD: sysctl.c,v 1.103 2005/06/16 14:56:36 christos Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -72,7 +72,7 @@ __COPYRIGHT(
#if 0
static char sccsid[] = "@(#)sysctl.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: sysctl.c,v 1.102 2005/04/06 21:13:03 christos Exp $");
__RCSID("$NetBSD: sysctl.c,v 1.103 2005/06/16 14:56:36 christos Exp $");
#endif
#endif /* not lint */
@ -165,6 +165,7 @@ static void kern_clockrate(HANDLER_PROTO);
static void kern_boottime(HANDLER_PROTO);
static void kern_consdev(HANDLER_PROTO);
static void kern_cp_time(HANDLER_PROTO);
static void kern_cp_id(HANDLER_PROTO);
static void vm_loadavg(HANDLER_PROTO);
static void proc_limit(HANDLER_PROTO);
#ifdef CPU_DISKINFO
@ -188,6 +189,7 @@ static const struct handlespec {
{ "/kern/consdev", kern_consdev },
{ "/kern/cp_time(/[0-9]+)?", kern_cp_time },
{ "/kern/sysvipc_info", printother, NULL, "ipcs" },
{ "/kern/cp_id(/[0-9]+)?", kern_cp_id },
{ "/vm/vmmeter", printother, NULL,
"vmstat' or 'systat" },
@ -2190,6 +2192,91 @@ kern_cp_time(HANDLER_ARGS)
free(cp_time);
}
/*ARGSUSED*/
static void
kern_cp_id(HANDLER_ARGS)
{
u_int64_t *cp_id;
size_t sz, osz;
int rc, i, n;
char s[sizeof("kern.cp_id.nnnnnn")];
const char *tname;
struct sysctlnode node = *pnode;
/*
* three things to do here.
* case 1: print a specific cpu id (namelen == 3)
* case 2: print all cpu ids separately (Aflag set)
* case 3: print all cpu ids on one line
*/
if (namelen == 2) {
sz = sizeof(n);
rc = sysctlbyname("hw.ncpu", &n, &sz, NULL, 0);
if (rc != 0)
return; /* XXX print an error, eh? */
sz = n * sizeof(u_int64_t);
}
else {
n = -1; /* Just print one cpu id. */
sz = sizeof(u_int64_t);
}
cp_id = malloc(sz);
if (cp_id == NULL) {
sysctlerror(1);
return;
}
osz = sz;
rc = sysctl(name, namelen, cp_id, &osz, NULL, 0);
if (rc == -1) {
sysctlerror(1);
free(cp_id);
return;
}
/*
* Check that we got back what we asked for.
*/
if (osz != sz)
errx(1, "%s: !returned size wrong!", sname);
/* pretend for output purposes */
node.sysctl_flags = SYSCTL_FLAGS(pnode->sysctl_flags) |
SYSCTL_TYPE(CTLTYPE_QUAD);
tname = sname;
if (namelen == 3)
display_number(&node, tname, cp_id,
sizeof(u_int64_t),
DISPLAY_VALUE);
else if (Aflag) {
for (i = 0; i < n; i++)
(void)snprintf(s, sizeof(s), "%s%s%d", sname, sep, i);
tname = s;
display_number(&node, tname, &cp_id[i],
sizeof(u_int64_t),
DISPLAY_VALUE);
}
else {
if (xflag || rflag)
display_struct(pnode, tname, cp_id, sz, DISPLAY_VALUE);
else {
if (!nflag)
printf("%s: ", tname);
for (i = 0; i < n; i++) {
if (i)
printf(", ");
printf("%d = %" PRIu64, i, cp_id[i]);
}
printf("\n");
}
}
free(cp_id);
}
/*ARGSUSED*/
static void
vm_loadavg(HANDLER_ARGS)