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| author | Emmanuel Vadot <manu@FreeBSD.org> | 2021-12-09 14:46:39 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2022-01-13 07:56:00 +0000 |
| commit | 4003cdd81b8776cb451395ffa53423ad52328bc9 (patch) | |
| tree | 54f11d4462c6e6814c32891d74584aa5918655ca | |
| parent | e3ef89ba96730180f55b9fc6af4c29e1482b9ac6 (diff) | |
| download | src-4003cdd81b8776cb451395ffa53423ad52328bc9.tar.gz src-4003cdd81b8776cb451395ffa53423ad52328bc9.zip | |
loader: ip: Do not call getsecs so much
getsecs is very costly, reuse the values we got before.
Fetching a ~30MB kernel with the tftp command use to take ~26 seconds
and now it's ~18 seconds.
Reviewed by: imp, tsoome
MFC after: 2 weeks
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D33408
(cherry picked from commit c5f24f5e0db24c8e33e6278a4fbb7e68364ca18d)
| -rw-r--r-- | stand/libsa/net.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/stand/libsa/net.c b/stand/libsa/net.c index 3142616a5bf0..e04a370e466e 100644 --- a/stand/libsa/net.c +++ b/stand/libsa/net.c @@ -101,10 +101,9 @@ sendrecv(struct iodesc *d, tmo = MINTMO; tlast = 0; tleft = 0; - tref = getsecs(); - t = getsecs(); + tref = t = getsecs(); for (;;) { - if (MAXWAIT > 0 && (getsecs() - tref) >= MAXWAIT) { + if (MAXWAIT > 0 && (t - tref) >= MAXWAIT) { errno = ETIMEDOUT; return -1; } |