diff options
Diffstat (limited to 'sys/kern/subr_sleepqueue.c')
| -rw-r--r-- | sys/kern/subr_sleepqueue.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/sys/kern/subr_sleepqueue.c b/sys/kern/subr_sleepqueue.c index d4eb17951c5f..56515f033f5d 100644 --- a/sys/kern/subr_sleepqueue.c +++ b/sys/kern/subr_sleepqueue.c @@ -147,8 +147,10 @@ struct sleepqueue_chain { #ifdef SLEEPQUEUE_PROFILING u_int sleepq_max_depth; -static SYSCTL_NODE(_debug, OID_AUTO, sleepq, CTLFLAG_RD, 0, "sleepq profiling"); -static SYSCTL_NODE(_debug_sleepq, OID_AUTO, chains, CTLFLAG_RD, 0, +static SYSCTL_NODE(_debug, OID_AUTO, sleepq, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, + "sleepq profiling"); +static SYSCTL_NODE(_debug_sleepq, OID_AUTO, chains, + CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "sleepq chain stats"); SYSCTL_UINT(_debug_sleepq, OID_AUTO, max_depth, CTLFLAG_RD, &sleepq_max_depth, 0, "maxmimum depth achieved of a single chain"); @@ -195,7 +197,8 @@ init_sleepqueue_profiling(void) snprintf(chain_name, sizeof(chain_name), "%u", i); chain_oid = SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_debug_sleepq_chains), OID_AUTO, - chain_name, CTLFLAG_RD, NULL, "sleepq chain stats"); + chain_name, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, + "sleepq chain stats"); SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(chain_oid), OID_AUTO, "depth", CTLFLAG_RD, &sleepq_chains[i].sc_depth, 0, NULL); SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(chain_oid), OID_AUTO, @@ -1426,13 +1429,18 @@ dump_sleepq_prof_stats(SYSCTL_HANDLER_ARGS) return (error); } -SYSCTL_PROC(_debug_sleepq, OID_AUTO, stats, CTLTYPE_STRING | CTLFLAG_RD, - NULL, 0, dump_sleepq_prof_stats, "A", "Sleepqueue profiling statistics"); -SYSCTL_PROC(_debug_sleepq, OID_AUTO, reset, CTLTYPE_INT | CTLFLAG_RW, - NULL, 0, reset_sleepq_prof_stats, "I", +SYSCTL_PROC(_debug_sleepq, OID_AUTO, stats, + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, NULL, 0, + dump_sleepq_prof_stats, "A", + "Sleepqueue profiling statistics"); +SYSCTL_PROC(_debug_sleepq, OID_AUTO, reset, + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, + reset_sleepq_prof_stats, "I", "Reset sleepqueue profiling statistics"); -SYSCTL_PROC(_debug_sleepq, OID_AUTO, enable, CTLTYPE_INT | CTLFLAG_RW, - NULL, 0, enable_sleepq_prof, "I", "Enable sleepqueue profiling"); +SYSCTL_PROC(_debug_sleepq, OID_AUTO, enable, + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, + enable_sleepq_prof, "I", + "Enable sleepqueue profiling"); #endif #ifdef DDB |