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| author | des <des@FreeBSD.org> | 2003-06-12 19:46:51 +0000 |
|---|---|---|
| committer | des <des@FreeBSD.org> | 2003-06-12 19:46:51 +0000 |
| commit | c4e22440ca79ff6a8d00e3d6d31f6029efa1cb8e (patch) | |
| tree | e4bb03fc545552145693904c8438aa9da638a79c /sys/kern | |
| parent | 5e5459f9e5630144605b59d4ae3a68e7450217e6 (diff) | |
| download | FreeBSD-src-c4e22440ca79ff6a8d00e3d6d31f6029efa1cb8e.zip FreeBSD-src-c4e22440ca79ff6a8d00e3d6d31f6029efa1cb8e.tar.gz | |
Document some sysctl variables.
Submitted by: hmp
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/subr_smp.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index 9b91d6a..96a2fa0 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -61,24 +61,29 @@ u_int mp_maxid; SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD, NULL, "Kernel SMP"); int smp_active = 0; /* are the APs allowed to run? */ -SYSCTL_INT(_kern_smp, OID_AUTO, active, CTLFLAG_RW, &smp_active, 0, ""); +SYSCTL_INT(_kern_smp, OID_AUTO, active, CTLFLAG_RW, &smp_active, 0, + "Number of Auxillary Processors (APs) that were successfully started"); int smp_disabled = 0; /* has smp been disabled? */ -SYSCTL_INT(_kern_smp, OID_AUTO, disabled, CTLFLAG_RD, &smp_disabled, 0, ""); +SYSCTL_INT(_kern_smp, OID_AUTO, disabled, CTLFLAG_RD, &smp_disabled, 0, + "SMP has been disabled from the loader"); TUNABLE_INT("kern.smp.disabled", &smp_disabled); int smp_cpus = 1; /* how many cpu's running */ -SYSCTL_INT(_kern_smp, OID_AUTO, cpus, CTLFLAG_RD, &smp_cpus, 0, ""); +SYSCTL_INT(_kern_smp, OID_AUTO, cpus, CTLFLAG_RD, &smp_cpus, 0, + "Number of CPUs online"); /* Enable forwarding of a signal to a process running on a different CPU */ static int forward_signal_enabled = 1; SYSCTL_INT(_kern_smp, OID_AUTO, forward_signal_enabled, CTLFLAG_RW, - &forward_signal_enabled, 0, ""); + &forward_signal_enabled, 0, + "Forwarding of a signal to a process on a different CPU"); /* Enable forwarding of roundrobin to all other cpus */ static int forward_roundrobin_enabled = 1; SYSCTL_INT(_kern_smp, OID_AUTO, forward_roundrobin_enabled, CTLFLAG_RW, - &forward_roundrobin_enabled, 0, ""); + &forward_roundrobin_enabled, 0, + "Forwarding of roundrobin to all other CPUs"); /* Variables needed for SMP rendezvous. */ static void (*smp_rv_setup_func)(void *arg); |
