利用go testing的benchmark功能，对列出的三方库进行压力测试，利用testing的Parallel进行并发测试，分别把cpu参数设置为1，2，4进行测试。
测试脚本： https://github.com/senses2008/go-logger-benchmark
zap的性能很突出，zerolog也符合“Zero Allocation JSON Logger”的定义。
| 库名 | op time(cpu-1) | allocs size(cpu-1) | alloc times(cpu-1) | op time(cpu-2) | allocs size(cpu-2) | alloc count(cpu-2) | op time(cpu-4) | allocs size(cpu-4) | alloc count(cpu-4) |
|---|---|---|---|---|---|---|---|---|---|
| logrus | 10850 ns/op | 368 B/op | 11 allocs/op | 13538 ns/op | 368 B/op | 11 allocs/op | 13925 ns/op | 368 B/op | 11 allocs/op |
| zap | 912 ns/op | 0 B/op | 0 allocs/op | 510 ns/op | 0 B/op | 0 allocs/op | 268 ns/op | 0 B/op | 0 allocs/op |
| go-logging | 10143 ns/op | 920 B/op | 15 allocs/op | 13608 ns/op | 920 B/op | 15 allocs/op | 13342 ns/op | 920 B/op | 15 allocs/op |
| zerolog | 8294 ns/op | 0 B/op | 0 allocs/op | 10622 ns/op | 0 B/op | 0 allocs/op | 10414 ns/op | 0 B/op | 0 allocs/op |
| seelog | 10315 ns/op | 440 B/op | 11 allocs/op | 13015 ns/op | 440 B/op | 11 allocs/op | 12318 ns/op | 440 B/op | 11 allocs/op |
| log15 | 12184 ns/op | 840 B/op | 14 allocs/op | 16081 ns/op | 840 B/op | 14 allocs/op | 15236 ns/op | 840 B/op | 14 allocs/op |
| go-kit | 7289 ns/op | 96 B/op | 2 allocs/op | 9025 ns/op | 96 B/op | 2 allocs/op | 9516 ns/op | 96 B/op | 2 allocs/op |
| 库名 | op time(cpu-1) | allocs size(cpu-1) | alloc times(cpu-1) | op time(cpu-2) | allocs size(cpu-2) | alloc count(cpu-2) | op time(cpu-4) | allocs size(cpu-4) | alloc count(cpu-4) |
|---|---|---|---|---|---|---|---|---|---|
| logrus | 16302 ns/op | 2144 B/op | 32 allocs/op | 20125 ns/op | 2144 B/op | 32 allocs/op | 19650 ns/op | 2144 B/op | 32 allocs/op |
| zap | 1159 ns/op | 192 B/op | 1 allocs/op | 630 ns/op | 192 B/op | 1 allocs/op | 372 ns/op | 192 B/op | 1 allocs/op |
| zerolog | 9050 ns/op | 0 B/op | 0 allocs/op | 11362 ns/op | 0 B/op | 0 allocs/op | 12227 ns/op | 0 B/op | 0 allocs/op |
| log15 | 19535 ns/op | 2240 B/op | 32 allocs/op | 23066 ns/op | 2240 B/op | 32 allocs/op | 23577 ns/op | 2240 B/op | 32 allocs/op |
| go-kit | 9221 ns/op | 298 B/op | 5 allocs/op | 12312 ns/op | 298 B/op | 24 allocs/op | 15428 ns/op | 298 B/op | 5 allocs/op |