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sheddingstat.go
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/
sheddingstat.go
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package load
import (
"sync/atomic"
"time"
"github.com/sjclijie/go-zero/core/logx"
"github.com/sjclijie/go-zero/core/stat"
)
type (
SheddingStat struct {
name string
total int64
pass int64
drop int64
}
snapshot struct {
Total int64
Pass int64
Drop int64
}
)
func NewSheddingStat(name string) *SheddingStat {
st := &SheddingStat{
name: name,
}
go st.run()
return st
}
func (s *SheddingStat) IncrementTotal() {
atomic.AddInt64(&s.total, 1)
}
func (s *SheddingStat) IncrementPass() {
atomic.AddInt64(&s.pass, 1)
}
func (s *SheddingStat) IncrementDrop() {
atomic.AddInt64(&s.drop, 1)
}
func (s *SheddingStat) reset() snapshot {
return snapshot{
Total: atomic.SwapInt64(&s.total, 0),
Pass: atomic.SwapInt64(&s.pass, 0),
Drop: atomic.SwapInt64(&s.drop, 0),
}
}
func (s *SheddingStat) run() {
ticker := time.NewTicker(time.Minute)
defer ticker.Stop()
for range ticker.C {
c := stat.CpuUsage()
st := s.reset()
if st.Drop == 0 {
logx.Statf("(%s) shedding_stat [1m], cpu: %d, total: %d, pass: %d, drop: %d",
s.name, c, st.Total, st.Pass, st.Drop)
} else {
logx.Statf("(%s) shedding_stat_drop [1m], cpu: %d, total: %d, pass: %d, drop: %d",
s.name, c, st.Total, st.Pass, st.Drop)
}
}
}