Hi,
I want to get some specific I/O data from FreeBSD. IOStat command does not return what I want, so I think about using dtrace. The problem is that I am getting this error while executing dtrace command:
It seems it is loaded in kernel, but I don't know what should I do to make it works. My FreeBSD info:
There is a pfsense loaded in this system (if this information helps).
Thanks.
I want to get some specific I/O data from FreeBSD. IOStat command does not return what I want, so I think about using dtrace. The problem is that I am getting this error while executing dtrace command:
Code:
[2.3.1-RELEASE][admin@machine]/usr/share/dtrace: dtrace -s iotime.d
dtrace: failed to initialize dtrace: DTrace device not available on system
[2.3.1-RELEASE][admin@machine]/usr/share/dtrace: which dtrace
/usr/sbin/dtrace
[2.3.1-RELEASE][admin@machine]/usr/share/dtrace: dtrace -V
dtrace: Sun D 1.12.1
It seems it is loaded in kernel, but I don't know what should I do to make it works. My FreeBSD info:
Code:
[2.3.1-RELEASE][admin@machine]/usr/share/dtrace: uname -a
FreeBSD machine 10.3-RELEASE-p3 FreeBSD 10.3-RELEASE-p3 #2 1988fec(RELENG_2_3_1): Wed May 25 14:14:46 CDT 2016 root@ce23-amd64-builder:/builder/pfsense-231/tmp/obj/builder/pfsense-231/tmp/FreeBSD-src/sys/pfSense amd64
There is a pfsense loaded in this system (if this information helps).
Thanks.