diff options
| author | rwatson <rwatson@FreeBSD.org> | 2004-08-06 03:39:28 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2004-08-06 03:39:28 +0000 |
| commit | 6680706c2bf89170fdfb9bd5bc9332aa7319a17a (patch) | |
| tree | b0aa387b5f5855b35997943772914216d07c1961 /sys/kern/kern_intr.c | |
| parent | b4bae139fdb215c76a40d08f96e4f9b338cf7393 (diff) | |
| download | FreeBSD-src-6680706c2bf89170fdfb9bd5bc9332aa7319a17a.zip FreeBSD-src-6680706c2bf89170fdfb9bd5bc9332aa7319a17a.tar.gz | |
In ithread_schedule(), when we plan to go harvest some entropy as
a result of scheduling an ithread, cut a KTR_INTR trace record so
that it's clear in tracing interrupt activity where and when the
entropy harvesting code is invoked.
Diffstat (limited to 'sys/kern/kern_intr.c')
| -rw-r--r-- | sys/kern/kern_intr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c index 99283ff..267efac 100644 --- a/sys/kern/kern_intr.c +++ b/sys/kern/kern_intr.c @@ -379,19 +379,21 @@ ithread_schedule(struct ithd *ithread) return (EINVAL); ctd = curthread; + td = ithread->it_td; + p = td->td_proc; /* * If any of the handlers for this ithread claim to be good * sources of entropy, then gather some. */ if (harvest.interrupt && ithread->it_flags & IT_ENTROPY) { + CTR3(KTR_INTR, "%s: pid %d (%s) gathering entropy", __func__, + p->p_pid, p->p_comm); entropy.vector = ithread->it_vector; entropy.proc = ctd->td_proc; random_harvest(&entropy, sizeof(entropy), 2, 0, RANDOM_INTERRUPT); } - td = ithread->it_td; - p = td->td_proc; KASSERT(p != NULL, ("ithread %s has no process", ithread->it_name)); CTR4(KTR_INTR, "%s: pid %d: (%s) need = %d", __func__, p->p_pid, p->p_comm, ithread->it_need); |
