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Real-time block IOPS or throughput


From: Derek Su
Subject: Real-time block IOPS or throughput
Date: Wed, 22 Apr 2020 15:25:26 +0800
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

Hello,

Is there any command, third-party tool or method to get the real-time block IOPS or throughput of one block device?

I've checked the qmp command "query-block" and "query-blockstats".
But, "query-block" only shows the throttle iops/bps config, and
"query-blockstats" shows the total wr_bytes and rd_bytes.

Thanks.

Regards,
Derek



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