character device throughput

Erik R. Jensen erikrj at
Wed Jun 14 23:54:50 MDT 2006

I am looking for a way to monitor throughput on a character device in
linux. In particular I am trying to monitor /dev/st0, a tape device. I was
hoping iostat would give me something like reads/s and writes/s for
character devices, but it appears it only works for block devices. I am
able to get this data for character devices in Solaris. Does anyone know
how to get this information in Linux?


Erik R. Jensen

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