gethashespersec
Returns a recent hashes per second performance measurement while generating.
See the getgenerate and setgenerate calls to turn generation on and off.
Result:
n (numeric) The recent hashes per second when generation is on (will return 0 if generation is off)
Examples:
> bitcoin-cli gethashespersec
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "gethashespersec", "params": [] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/