VictoriaMetrics/app/vminsert/opentsdbhttp/parser_timing_test.go

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package opentsdbhttp
import (
"fmt"
"testing"
"github.com/valyala/fastjson"
)
func BenchmarkRowsUnmarshal(b *testing.B) {
s := `[{"metric": "cpu.usage_user", "timestamp": 1234556768, "value": 1.23, "tags": {"a":"b", "x": "y"}},
{"metric": "cpu.usage_system", "timestamp": 1234556768, "value": 23.344, "tags": {"a":"b"}},
{"metric": "cpu.usage_iowait", "timestamp": 1234556769, "value":3.3443, "tags": {"a":"b"}},
{"metric": "cpu.usage_irq", "timestamp": 1234556768, "value": 0.34432, "tags": {"a":"b"}}
]
`
b.SetBytes(int64(len(s)))
b.ReportAllocs()
b.RunParallel(func(pb *testing.PB) {
var rows Rows
var p fastjson.Parser
for pb.Next() {
v, err := p.Parse(s)
if err != nil {
panic(fmt.Errorf("cannot parse %q: %s", s, err))
}
if err := rows.Unmarshal(v); err != nil {
panic(fmt.Errorf("cannot unmarshal %q: %s", s, err))
}
}
})
}