On 9 Oct 19:03 , Henk Langeveld wrote:
Incidentally, I was testing two methods to collect stats on drive delay:
1. scanning kstat quite aggressively (1s. intervals) for sd:::[wr]cnt
[...]
2. Scanning the wait/actv/wsvc_t/ascv_t and %w and %b columns of iostat.
I've got a question on the latter: Why does 'wsvc_t' only appear with
the -n option, and none other? I guess when -n was introduced changed
the order of the columns anyway, it would be one of the few times an
existing interface could be modified.
Henk
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