diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_sysctl.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c index 9efc6ec6562..68685933775 100644 --- a/sys/kern/kern_sysctl.c +++ b/sys/kern/kern_sysctl.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_sysctl.c,v 1.98 2004/01/07 21:51:30 millert Exp $ */ +/* $OpenBSD: kern_sysctl.c,v 1.99 2004/02/14 15:09:22 grange Exp $ */ /* $NetBSD: kern_sysctl.c,v 1.17 1996/05/20 17:49:05 mrg Exp $ */ /*- @@ -96,8 +96,8 @@ int sysctl_intrcnt(int *, u_int, void *, size_t *); int sysctl_sensors(int *, u_int, void *, size_t *, void *, size_t); int sysctl_emul(int *, u_int, void *, size_t *, void *, size_t); -int (*cpu_cpuspeed)(void *, size_t *, void *, size_t); -int (*cpu_setperf)(void *, size_t *, void *, size_t); +int (*cpu_cpuspeed)(int *); +int (*cpu_setperf)(int); /* * Lock to avoid too many processes vslocking a large amount of memory @@ -516,6 +516,9 @@ hw_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) { extern char machine[], cpu_model[]; int err; + int cpuspeed; + static int perflevel = 100; + int operflevel; /* all sysctl names at this level except sensors are terminal */ if (name[0] != HW_SENSORS && namelen != 1) @@ -560,11 +563,22 @@ hw_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) case HW_CPUSPEED: if (!cpu_cpuspeed) return (EOPNOTSUPP); - return (cpu_cpuspeed(oldp, oldlenp, newp, newlen)); + err = cpu_cpuspeed(&cpuspeed); + if (err) + return err; + return (sysctl_rdint(oldp, oldlenp, newp, cpuspeed)); case HW_SETPERF: if (!cpu_setperf) return (EOPNOTSUPP); - return (cpu_setperf(oldp, oldlenp, newp, newlen)); + operflevel = perflevel; + err = sysctl_int(oldp, oldlenp, newp, newlen, &perflevel); + if (err) + return err; + if (perflevel == operflevel) + return (0); + if (perflevel > 100) + perflevel = 100; + return (cpu_setperf(perflevel)); default: return (EOPNOTSUPP); } |