Author: pfg
Date: Sat Oct 28 21:26:49 2017
New Revision: 325067
URL: https://svnweb.freebsd.org/changeset/base/325067
Log:
bsnmpd: Only refresh devtree if devd event is a new or removed device.
It makes sense to refresh the tree only when a device is inserted or
removed, otherwise bsnmpd wastes lot of CPU.
PR: 209368
MFC after: 1 week
Modified:
head/usr.sbin/bsnmpd/modules/snmp_hostres/hostres_device_tbl.c
Modified: head/usr.sbin/bsnmpd/modules/snmp_hostres/hostres_device_tbl.c
==============================================================================
--- head/usr.sbin/bsnmpd/modules/snmp_hostres/hostres_device_tbl.c Sat Oct
28 20:09:34 2017 (r325066)
+++ head/usr.sbin/bsnmpd/modules/snmp_hostres/hostres_device_tbl.c Sat Oct
28 21:26:49 2017 (r325067)
@@ -479,7 +479,9 @@ again:
} else {
if (read_len == sizeof(buf))
goto again;
- refresh_device_tbl(1);
+ /* Only refresh device table on a device add or remove event. */
+ if (buf[0] == '+' || buf[0] == '-')
+ refresh_device_tbl(1);
}
}
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