getRecentPerformanceSamples RPC Method

Returns a list of recent performance samples, in reverse slot order. Performance samples are taken every 60 seconds and include the number of transactions and slots that occur in a given time window.

params

usizeoptional

Number of samples to return (maximum 720)

result

array

An array of performance sample objects containing:

$ curl https://api.devnet.solana.com -s -X \
>   POST -H "Content-Type: application/json" -d ' 
>   {
>     "jsonrpc": "2.0",
>     "id": 1,
>     "method": "getRecentPerformanceSamples",
>     "params": [
>       2
>     ]
>   }
> '

Response

{
  "jsonrpc": "2.0",
  "result": [
    {
      "slot": 348125,
      "numTransactions": 126,
      "numSlots": 126,
      "samplePeriodSecs": 60,
      "numNonVoteTransactions": 1
    },
    {
      "slot": 347999,
      "numTransactions": 126,
      "numSlots": 126,
      "samplePeriodSecs": 60,
      "numNonVoteTransactions": 1
    }
  ],
  "id": 1
}

$ curl https://api.devnet.solana.com -s -X \
>   POST -H "Content-Type: application/json" -d ' 
>   {
>     "jsonrpc": "2.0",
>     "id": 1,
>     "method": "getRecentPerformanceSamples",
>     "params": [
>       2
>     ]
>   }
> '