diff options
Diffstat (limited to 'freebsd/sys/kern/init_main.c')
| -rw-r--r-- | freebsd/sys/kern/init_main.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/freebsd/sys/kern/init_main.c b/freebsd/sys/kern/init_main.c index 42afff5e..fa4951d8 100644 --- a/freebsd/sys/kern/init_main.c +++ b/freebsd/sys/kern/init_main.c @@ -122,6 +122,18 @@ int bootverbose = BOOTVERBOSE; SYSCTL_INT(_debug, OID_AUTO, bootverbose, CTLFLAG_RW, &bootverbose, 0, "Control the output of verbose kernel messages"); +#ifdef VERBOSE_SYSINIT +/* + * We'll use the defined value of VERBOSE_SYSINIT from the kernel config to + * dictate the default VERBOSE_SYSINIT behavior. Significant values for this + * option and associated tunable are: + * - 0, 'compiled in but silent by default' + * - 1, 'compiled in but verbose by default' (default) + */ +int verbose_sysinit = VERBOSE_SYSINIT; +TUNABLE_INT("debug.verbose_sysinit", &verbose_sysinit); +#endif + #ifdef INVARIANTS FEATURE(invariants, "Kernel compiled with INVARIANTS, may affect performance"); #endif @@ -287,7 +299,7 @@ restart: continue; #if defined(VERBOSE_SYSINIT) - if ((*sipp)->subsystem > last) { + if ((*sipp)->subsystem > last && verbose_sysinit != 0) { verbose = 1; last = (*sipp)->subsystem; printf("subsystem %x\n", last); @@ -526,6 +538,7 @@ proc0_init(void *dummy __unused) p->p_peers = 0; p->p_leader = p; p->p_reaper = p; + p->p_treeflag |= P_TREE_REAPER; LIST_INIT(&p->p_reaplist); strncpy(p->p_comm, "kernel", sizeof (p->p_comm)); @@ -642,17 +655,23 @@ proc0_post(void *dummy __unused) */ sx_slock(&allproc_lock); FOREACH_PROC_IN_SYSTEM(p) { + PROC_LOCK(p); + if (p->p_state == PRS_NEW) { + PROC_UNLOCK(p); + continue; + } microuptime(&p->p_stats->p_start); PROC_STATLOCK(p); rufetch(p, &ru); /* Clears thread stats */ - PROC_STATUNLOCK(p); p->p_rux.rux_runtime = 0; p->p_rux.rux_uticks = 0; p->p_rux.rux_sticks = 0; p->p_rux.rux_iticks = 0; + PROC_STATUNLOCK(p); FOREACH_THREAD_IN_PROC(p, td) { td->td_runtime = 0; } + PROC_UNLOCK(p); } sx_sunlock(&allproc_lock); PCPU_SET(switchtime, cpu_ticks()); @@ -857,7 +876,6 @@ create_init(const void *udata __unused) PROC_LOCK(initproc); initproc->p_flag |= P_SYSTEM | P_INMEM; initproc->p_treeflag |= P_TREE_REAPER; - LIST_INSERT_HEAD(&initproc->p_reaplist, &proc0, p_reapsibling); oldcred = initproc->p_ucred; crcopy(newcred, oldcred); #ifdef MAC |