锟斤拷锟斤拷位锟矫ｏ拷锟斤拷页 > 锟斤拷锟斤拷锟教筹拷 > 锟教筹拷 > 锟轿匡拷

锟轿匡拷

锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷|锟斤拷时锟戒：2024-04-08 11:47:52 |锟斤拷锟侥讹拷锟斤拷154锟斤拷|锟斤拷锟斤拷签锟斤拷锟斤拷 |锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟绞癸拷锟� pprof 锟斤拷锟斤拷位锟斤拷锟斤拷 Golang 锟斤拷锟解，锟窖撅拷锟斤拷一锟斤拷 Gopher 锟斤拷锟斤拷要锟斤拷锟秸的必憋拷锟斤拷锟斤拷锟剿★拷锟斤拷锟斤拷锟斤拷实锟绞癸拷锟斤拷锟斤拷也锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷位锟斤拷锟斤拷锟斤拷锟解。锟斤拷锟斤拷锟叫很讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 pprof 锟斤拷使锟矫ｏ拷锟斤拷锟斤拷实锟绞碉拷锟斤拷锟斤拷使锟矫筹拷锟斤拷锟斤拷却锟酵革拷锟斤拷锟斤拷锟铰碉拷锟斤拷锟斤拷锟侥讹拷锟斤拷锟斤拷些锟斤拷锟届。锟斤拷锟斤拷锟斤拷锟较大部凤拷锟斤拷锟铰讹拷锟斤拷锟斤拷锟斤拷悖癸拷锟斤拷锟斤拷锟斤拷写锟� we

锟斤拷锟斤拷锟斤拷锟较大部凤拷锟斤拷锟铰讹拷锟斤拷锟斤拷锟斤拷悖癸拷锟斤拷锟斤拷锟斤拷写锟� web 锟剿口ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟� web 锟斤拷锟芥，锟斤拷锟脚革拷锟斤拷锟斤拷锟斤拷锟斤拷锟� web 锟斤拷锟斤拷榭达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷牵锟斤拷锟斤拷堑锟斤拷锟斤拷戏锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 centos 锟斤拷锟斤拷系统锟叫的ｏ拷锟斤拷锟节帮拷全锟斤拷锟解，锟斤拷锟解，锟皆办公锟斤拷锟界不锟斤拷锟杰匡拷锟斤拷web 锟斤拷锟绞端口ｏ拷锟斤拷锟睫达拷通锟斤拷 web 锟斤拷锟斤拷榭达拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞此ｏ拷web 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫★拷

锟斤拷锟较伙拷锟斤拷一些锟斤拷锟铰革拷锟斤拷锟姐，锟斤拷锟绞癸拷锟� go tool pprof 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷位锟斤拷锟解。锟斤拷锟斤拷锟斤拷锟斤拷锟截碉拷前锟斤拷锟斤拷锟斤拷锟揭拷锟阶� go 锟斤拷锟竭★拷锟斤拷锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷羌锟斤拷洳伙拷锟斤拷锟侥ｏ拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫撅拷锟斤拷装锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷只锟结安装锟斤拷锟斤拷玫锟揭碉拷锟斤拷锟斤拷锟斤拷锟侥硷拷锟斤拷锟斤拷锟斤拷锟结安装 go 锟斤拷锟竭★拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷维权锟斤拷锟斤拷锟斤拷装 go 锟斤拷锟筋。锟绞此ｏ拷锟斤拷希锟斤拷知锟斤拷锟斤拷锟斤拷 go 锟斤拷锟竭碉拷时锟斤拷锟斤拷锟斤拷锟斤拷些什么锟斤拷

锟斤拷实锟斤拷使锟矫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟斤拷锟斤拷锟截ｏ拷- k8s 锟斤拷锟斤拷锟斤拷锟斤拷状态锟斤拷 centos7 锟斤拷锟斤拷系统锟侥撅拷锟今，撅拷锟斤拷锟叫达拷锟斤拷锟斤拷锟斤拷锟揭拷亩锟斤拷锟斤拷锟斤拷锟斤拷睿拷锟斤拷锟街拷猓伙拷锟阶帮拷嘶锟斤拷锟斤拷锟� vi锟斤拷curl 锟斤拷锟筋。

锟斤拷么锟斤拷寻锟斤拷一锟斤拷锟杰诧拷锟斤拷要锟斤拷装锟斤拷锟杰匡拷锟斤拷锟斤拷锟� Golang 锟斤拷锟斤拷锟斤拷锟斤拷陌旆拷锟斤拷锟斤拷写思锟铰硷拷锟�

pprof锟剿匡拷

锟斤拷锟饺ｏ拷first of all锟斤拷锟缴革拷锟斤拷为锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷锟斤拷拙锟斤拷锟斤拷锟斤拷诜锟斤拷锟斤拷锌锟斤拷锟斤拷锟揭伙拷锟� pprof 锟剿口★拷锟斤拷锟角的凤拷锟斤拷锟斤拷 web 锟斤拷锟酵的凤拷锟斤拷锟结供 http锟斤拷只锟斤拷要锟斤拷锟斤拷一锟叫达拷锟诫即锟缴★拷

import _ "net/http/pprof"

锟斤拷锟斤拷锟斤拷锟� web 锟斤拷锟斤拷幕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷目锟街拷猓拷锟斤拷锟揭拷锟斤拷锟揭伙拷锟� goroutine 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

go func() {
	log.Println(http.ListenAndServe("localhost:6060", nil))
}()

锟斤拷耍锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟叫癸拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷通锟斤拷锟斤拷锟截碉拷 6060 锟剿匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷伙拷取锟斤拷锟斤拷锟斤拷之锟襟，诧拷锟斤拷锟斤拷锟斤拷锟酵★拷

pprof 锟斤拷一锟斤拷锟阶餐ｏ拷锟斤拷锟斤拷锟叫诧拷锟劫诧拷食锟斤拷锟斤拷锟斤拷锟角斤拷锟斤拷锟斤拷要锟斤拷锟侥ｏ拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟诫定位锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷锟斤拷锟诫看锟斤拷锟斤拷锟铰硷拷锟斤拷锟斤拷锟解：

锟斤拷锟斤拷锟角凤拷锟斤拷goroutine 泄漏锟斤拷锟斤拷锟斤拷 go 锟斤拷锟斤拷锟斤拷裕锟斤拷芯浠八碉拷锟斤拷牵锟绞拷锟斤拷诖锟斤拷锟斤拷锟斤拷锟斤拷糯味锟斤拷锟斤拷锟斤拷锟� goroutine 泄漏锟斤拷
为什么锟斤拷锟斤拷锟斤拷么占锟斤拷 cpu
没锟斤拷 goroutine 泄漏锟斤拷为什么占锟斤拷锟斤拷锟斤拷么锟斤拷锟节达拷锟截ｏ拷

锟斤拷锟斤拷每锟斤拷锟斤拷锟解，锟斤拷锟角讹拷锟斤拷要使锟斤拷 pprof 锟阶硷拷锟叫讹拷应锟侥癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

goroutine泄漏

锟斤拷锟斤拷锟筋常锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 goroutine 泄漏锟斤拷锟斤拷 Golang 锟斤拷锟芥，锟斤拷锟斤拷一锟斤拷协锟斤拷锟斤拷锟斤拷么锟斤拷锟阶ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟节很讹拷胤锟斤拷锟� go 一锟斤拷锟斤拷锟斤拷锟斤拷去锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷预锟节伙拷锟斤拷锟斤拷锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷玫锟� pprof 锟斤拷锟斤拷锟� goroutine 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫凤拷锟斤拷锟剿★拷

锟斤拷 go 锟叫ｏ拷锟斤拷锟斤拷 goroutine锟斤拷锟斤拷锟角诧拷锟斤拷锟斤拷要锟斤拷装 go tool 锟斤拷锟竭ｏ拷pprof 锟剿匡拷锟结供锟斤拷锟斤拷直锟斤拷使锟斤拷 curl 锟斤拷锟斤拷锟斤拷卸锟轿伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷畛ｏ拷玫姆锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷确锟斤拷goroutine 锟侥分诧拷锟斤拷一锟斤拷状态值锟斤拷锟角匡拷锟斤拷直锟接达拷印锟斤拷锟斤拷锟侥ｏ拷锟斤拷前锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷 goroutine锟斤拷锟街憋拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷时锟斤拷尾锟斤拷锟斤拷锟�

curl -o goroutine.log localhost:6060/debug/pprof/goroutine?debug=1

锟斤拷锟斤拷锟� debug=1 锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷母锟绞斤拷锟斤拷锟斤拷锟街碉拷直锟斤拷锟� 1/2锟酵诧拷锟筋。

锟斤拷锟斤拷写debug=1 锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷强啥锟斤拷锟斤拷谋锟斤拷锟斤拷锟揭伙拷职锟斤拷蘸锟斤拷锟秸伙拷锟斤拷锟斤拷锟斤拷锟侥斤拷锟斤拷谋锟斤拷锟�

goroutine profile: total 2065
933 @ 0x4492d6 0x415e4c 0x4158b8 0x153ddf1 0x159a61e 0x47aa41
#       0x153ddf0       github.com/Shopify/sarama.(*partitionProducer).dispatch+0x1b0   /root/go/pkg/mod/github.com/!shopify/[email protected]/async_producer.go:545
#       0x159a61d       github.com/Shopify/sarama.withRecover+0x3d                      /root/go/pkg/mod/github.com/!shopify/[email protected]/utils.go:43

194 @ 0x4492d6 0x415e4c 0x4158b8 0x153f385 0x159a61e 0x47aa41
#       0x153f384       github.com/Shopify/sarama.(*asyncProducer).newBrokerProducer.func1+0x64 /root/go/pkg/mod/github.com/!shopify/[email protected]/async_producer.go:694
#       0x159a61d       github.com/Shopify/sarama.withRecover+0x3d                              /root/go/pkg/mod/github.com/!shopify/[email protected]/utils.go:43

锟斤拷锟斤拷锟斤拷锟侥憋拷锟斤拷说锟斤拷锟剿碉拷前锟斤拷锟斤拷锟杰癸拷锟斤拷锟斤拷锟斤拷 2065 锟斤拷 goroutine锟斤拷锟斤拷锟斤拷锟叫筹拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷 2 锟斤拷锟斤拷栈锟斤拷

锟斤拷一锟斤拷锟斤拷栈锟斤拷通锟斤拷 github.com/Shopify/sarama.(*partitionProducer).dispatch 锟斤拷锟斤拷锟斤拷 933 锟斤拷 goroutine锟斤拷锟斤拷预锟斤拷锟斤拷
锟节讹拷锟斤拷锟斤拷栈通锟斤拷 github.com/Shopify/sarama.(*asyncProducer).newBrokerProducer.func1 锟斤拷锟斤拷锟斤拷 194 锟斤拷 goroutine锟斤拷锟斤拷预锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷占锟斤拷 goroutine 锟斤拷锟斤拷锟侥讹拷栈锟斤拷锟酵达拷锟斤拷锟街拷锟揭碉拷锟斤拷锟斤拷锟角凤拷锟斤拷 goroutine 泄漏锟剿★拷debug=1 也锟斤拷锟斤拷锟筋常锟矫的凤拷锟斤拷锟斤拷式锟斤拷

锟斤拷写 debug=2 锟斤拷时锟斤拷锟斤拷锟斤拷锟揭诧拷强啥锟斤拷锟斤拷谋锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角帮拷锟斤拷 goroutine 锟斤拷锟斤拷慕锟斤拷锟侥憋拷锟斤拷

goroutine 34890598 [running]:
runtime/pprof.writeGoroutineStacks({0x2917520, 0xc002716c40})
        /usr/go/src/runtime/pprof/pprof.go:693 +0x70
runtime/pprof.writeGoroutine({0x2917520, 0xc002716c40}, 0x0)
        /usr/go/src/runtime/pprof/pprof.go:682 +0x2b
runtime/pprof.(*Profile).WriteTo(0x21ae7e0, {0x2917520, 0xc002716c40}, 0xc)
        /usr/go/src/runtime/pprof/pprof.go:331 +0x14b
net/http/pprof.handler.ServeHTTP({0xc00b075ea1, 0xc000153000}, {0x2939d10, 0xc002716c40}, 0xc00b075e94)
        /usr/go/src/net/http/pprof/pprof.go:253 +0x49a
net/http/pprof.Index({0x2939d10, 0xc002716c40}, 0xc007f8ce00)
        /usr/go/src/net/http/pprof/pprof.go:371 +0x12e
net/http.HandlerFunc.ServeHTTP(0xc00428aa30, {0x2939d10, 0xc002716c40}, 0xc00b075eab)
        /usr/go/src/net/http/server.go:2047 +0x2f
...

goroutine 1 [select, 6426 minutes]:
git.code.oa.com/my-go/server.(*Server).Serve(0xc000014cb0)
        /root/go/pkg/mod/[email protected]/server/serve_unix.go:46 +0x3ae
main.main()
        /data/__qci/root-workspaces/__qci-pipeline-251750-1/main.go:111 +0x4d6

goroutine 19 [syscall, 702 minutes]:
syscall.Syscall6(0xe8, 0x7, 0xc00020fbec, 0x7, 0xffffffffffffffff, 0x0, 0x0)
        /usr/go/src/syscall/asm_linux_amd64.s:43 +0x5
golang.org/x/sys/unix.EpollWait(0x2, {0xc00020fbec, 0x2, 0xc0091c98c0}, 0xc00020fcb4)
        /root/go/pkg/mod/golang.org/x/[email protected]/unix/zsyscall_linux_amd64.go:56 +0x58
github.com/fsnotify/fsnotify.(*fdPoller).wait(0xc000122300)
        /root/go/pkg/mod/github.com/fsnotify/[email protected]/inotify_poller.go:86 +0x7d
github.com/fsnotify/fsnotify.(*Watcher).readEvents(0xc00010e690)
        /root/go/pkg/mod/github.com/fsnotify/[email protected]/inotify.go:192 +0x2b0
created by github.com/fsnotify/fsnotify.NewWatcher
        /root/go/pkg/mod/github.com/fsnotify/[email protected]/inotify.go:59 +0x1c7

锟斤拷锟斤拷谋锟斤拷浅锟斤拷锟斤拷锟斤拷锟斤拷锟矫匡拷锟� goroutine 锟侥讹拷栈锟斤拷息锟斤拷锟斤拷锟斤拷状态锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟剿筹拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷 3 锟斤拷 gorouine 锟斤拷

锟斤拷一锟斤拷 gorourine 34890598 锟斤拷锟斤拷锟斤拷状态
锟节讹拷锟斤拷 goroutine 1 锟斤拷锟斤拷 select 锟斤拷锟斤拷状态锟斤拷锟窖撅拷锟斤拷锟斤拷锟斤拷 6426 锟斤拷锟斤拷锟剿★拷锟接讹拷栈锟斤拷锟皆匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟� gorourine 锟斤拷锟斤拷锟斤拷web 锟斤拷锟斤拷锟斤拷锟揭� goroutine
锟斤拷锟斤拷锟斤拷 goroutine 19 锟斤拷锟斤拷系统锟斤拷锟斤拷状态锟斤拷锟窖撅拷锟斤拷锟斤拷锟斤拷 702 锟斤拷锟斤拷锟剿★拷通锟斤拷锟斤拷栈锟斤拷锟斤拷锟斤拷也锟斤拷锟窖匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 epollwait 锟斤拷锟竭硷拷锟斤拷

debug=2 锟侥凤拷式锟斤拷锟斤拷锟矫的撅拷锟斤拷 goroutine 锟斤拷锟斤拷锟斤拷时锟斤拷锟酵革拷锟斤拷细锟侥讹拷栈锟斤拷息锟斤拷锟斤拷使锟斤拷 debug=1 锟斤拷位锟斤拷锟斤拷锟缴讹拷栈锟斤拷时锟斤拷锟矫讹拷栈锟侥猴拷锟斤拷去 debug=2 锟斤拷锟揭ｏ拷锟杰达拷趴锟斤拷锟斤拷锟斤拷锟斤拷丫锟斤拷锟斤拷锟斤拷锟矫ｏ拷锟斤拷锟斤拷锟斤拷亩锟秸伙拷锟斤拷锟叫╋拷锟斤拷锟角帮拷强锟斤拷锟斤拷母锟较低筹拷锟斤拷锟斤拷校锟斤拷芨锟斤拷於ㄎ伙拷锟斤拷狻�

锟斤拷锟斤拷锟斤拷 debug 锟斤拷值锟角匡拷锟斤拷直锟斤拷锟节匡拷锟斤拷台通锟斤拷 curl 锟斤拷 vi锟斤拷锟叫查看锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟角筹拷锟斤拷锟斤拷摹锟斤拷锟斤拷锟斤拷指锟斤拷 debug 锟斤拷锟斤拷锟斤拷锟� goroutine.log 锟津开撅拷锟斤拷一锟街讹拷锟斤拷锟斤拷锟斤拷锟诫，锟斤拷锟斤拷只锟斤拷通锟斤拷 go tool pprof 锟斤拷锟竭打开ｏ拷锟斤拷锟斤拷锟斤拷没锟斤拷go tool 锟侥伙拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷要锟斤拷旆拷锟阶� go 锟斤拷锟竭ｏ拷锟斤拷锟斤拷锟斤拷锟截碉拷锟斤拷 go 锟斤拷锟竭的伙拷锟斤拷锟斤拷锟斤拷锟侥讹拷锟剿★拷锟斤拷然使锟斤拷 go tool 锟斤拷锟竭猴拷锟介烦锟斤拷锟斤拷锟斤拷锟斤拷锟杰匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟较拷锟�

curl -o goroutine.log localhost:11014/debug/pprof/goroutine
go tool pprof goroutine.log

锟斤拷锟斤拷锟斤拷锟教拷锟斤拷锟斤拷锟斤拷畛Ｊ癸拷玫木锟斤拷锟� top [100] 锟斤拷锟筋，锟斤拷锟斤拷 top 100

(pprof) top100
Showing nodes accounting for 2027, 99.75% of 2032 total
Dropped 204 nodes (cum <= 10)
      flat  flat%   sum%        cum   cum%
      2027 99.75% 99.75%       2027 99.75%  runtime.gopark
         0     0% 99.75%        186  9.15%  bufio.(*Reader).Peek
         0     0% 99.75%         19  0.94%  bufio.(*Reader).Read
         0     0% 99.75%        187  9.20%  bufio.(*Reader).fill
         0     0% 99.75%         32  1.57%  my-go/kafka.(*singleConsumerHandler).ConsumeClaim
         0     0% 99.75%         16  0.79%  my-go/transport.(*serverTransport).servePacket
         0     0% 99.75%         16  0.79%  my-go/transport.(*serverTransport).serveUDP
         0     0% 99.75%         16  0.79%  github.com/Shopify/sarama.(*Broker).Fetch
         0     0% 99.75%         16  0.79%  github.com/Shopify/sarama.(*Broker).readFull
         0     0% 99.75%         62  3.05%  github.com/Shopify/sarama.(*Broker).responseReceiver
         0     0% 99.75%         16  0.79%  github.com/Shopify/sarama.(*Broker).sendAndReceive
         0     0% 99.75%        168  8.27%  github.com/Shopify/sarama.(*asyncProducer).newBrokerProducer.func1
         0     0% 99.75%         16  0.79%  github.com/Shopify/sarama.(*brokerConsumer).fetchNewMessages
         0     0% 99.75%         17  0.84%  github.com/Shopify/sarama.(*brokerConsumer).subscriptionConsumer
         0     0% 99.75%         17  0.84%  github.com/Shopify/sarama.(*brokerConsumer).subscriptionManager
         0     0% 99.75%        168  8.27%  github.com/Shopify/sarama.(*brokerProducer).run
         0     0% 99.75%         16  0.79%  github.com/Shopify/sarama.(*bufConn).Read
         0     0% 99.75%         32  1.57%  github.com/Shopify/sarama.(*consumerGroupSession).consume
         0     0% 99.75%         33  1.62%  github.com/Shopify/sarama.(*consumerGroupSession).consume.func1
         0     0% 99.75%         33  1.62%  github.com/Shopify/sarama.(*consumerGroupSession).consume.func2
         0     0% 99.75%         33  1.62%  github.com/Shopify/sarama.(*partitionConsumer).dispatcher
         0     0% 99.75%         33  1.62%  github.com/Shopify/sarama.(*partitionConsumer).responseFeeder
         0     0% 99.75%        933 45.92%  github.com/Shopify/sarama.(*partitionProducer).dispatch
         0     0% 99.75%         33  1.62%  github.com/Shopify/sarama.newConsumerGroupClaim.func1
         0     0% 99.75%         33  1.62%  github.com/Shopify/sarama.newConsumerGroupSession.func1
         0     0% 99.75%         32  1.57%  github.com/Shopify/sarama.newConsumerGroupSession.func2
         0     0% 99.75%       1453 71.51%  github.com/Shopify/sarama.withRecover

锟斤拷锟� top 锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷息锟斤拷值锟矫好猴拷锟斤拷磨锟斤拷磨锟剿★拷

Showing nodes accounting for 2027, 99.75% of 2032 total 锟斤拷锟斤拷锟� top 100 锟窖撅拷展示锟斤拷锟斤拷锟斤拷 2032 锟斤拷 goroutine 锟叫碉拷 2027 锟斤拷锟剿ｏ拷占锟斤拷 99.75%锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷蔷锟斤拷锟街拷锟斤拷锟絫op 100 锟斤拷锟窖撅拷锟杰癸拷锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟皆诧拷同锟斤拷锟斤拷锟斤拷 top 锟侥革拷锟斤拷锟剿★拷

锟斤拷锟角硷拷使锟斤拷 top100锟斤拷锟斤拷锟斤拷全锟斤拷展示也太锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷一些锟斤拷锟斤拷锟斤拷 Dropped 204 nodes (cum <= 10) 锟斤拷锟斤拷锟斤拷锟角ｏ拷锟斤拷锟斤拷锟叫憋拷锟斤拷锟斤拷锟斤拷 cum <= 10 锟侥猴拷锟斤拷锟斤拷锟斤拷锟斤拷 cum 值锟斤拷什么锟斤拷思锟截ｏ拷锟斤拷锟斤拷一锟斤拷说锟斤拷

flat, sum, cum 锟斤拷锟斤拷锟斤拷值锟斤拷 pprof 锟侥革拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷郑锟揭拷锟斤拷锟斤拷堑锟斤拷锟剿硷拷锟斤拷芙锟揭伙拷锟斤拷锟斤拷锟斤拷锟�

flat 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷约锟秸硷拷玫锟斤拷锟皆达拷锟斤拷锟斤拷锟斤拷锟斤拷 goroutine 锟斤拷锟斤拷
sum 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵碉拷锟斤拷锟揭的猴拷锟斤拷占锟矫碉拷锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟� gorourine 锟斤拷锟斤拷
cum 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭碉拷锟矫的猴拷锟斤拷占锟矫碉拷锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟� gouroutine 锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟叫革拷锟斤拷锟斤拷锟斤拷锟斤拷funcA -> funcB -> funcC锟斤拷锟斤拷锟斤拷 funcA/B/C 锟叫ｏ拷锟斤拷锟剿猴拷锟斤拷锟斤拷锟斤拷之锟解，锟斤拷锟角猴拷锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷源锟斤拷锟� goroutine锟斤拷锟斤拷锟角硷拷锟斤拷 funcA/B/C 锟斤拷锟皆猴拷锟斤拷锟斤拷锟斤拷锟斤拷 goroutine 锟斤拷为 1/2/3锟斤拷

锟斤拷么锟斤拷锟斤拷 funcB 锟斤拷锟皆ｏ拷锟斤拷锟斤拷 flat 指锟斤拷锟斤拷 funcB 锟斤拷锟斤拷锟斤拷锟斤拷约锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿� 2锟斤拷锟斤拷 sum 锟斤拷示锟斤拷锟斤拷 funB 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷暮锟斤拷锟� funcA 锟斤拷同锟斤拷锟斤拷锟斤拷 goroutine 锟斤拷锟斤拷锟斤拷锟斤拷为 1+2 =3锟斤拷锟斤拷 cum 锟斤拷示锟斤拷锟斤拷 funB 锟斤拷锟斤拷锟斤拷锟矫的猴拷锟斤拷 funcC 锟斤拷锟斤拷锟斤拷 goroutine 锟斤拷锟斤拷锟斤拷锟斤拷为 2+3 = 5锟斤拷

锟斤拷每锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟叫猴拷锟斤拷锟叫碉拷占锟饺撅拷为锟斤拷锟斤拷指锟斤拷锟接︼拷陌俜直龋锟絝lat% sum% cum%锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟角撅拷锟斤拷锟斤拷锟斤拷为什么锟节碉拷一锟叫碉拷gopark 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷值锟剿★拷

flat  flat%   sum%        cum   cum%
2027 99.75% 99.75%       2027 99.75%  runtime.gopark

锟斤拷锟斤拷一锟斤拷锟斤拷撞愫拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷械锟� goroutine 锟斤拷锟斤拷之锟襟都伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� goroutine 锟斤拷为 flat锟斤拷 2027锟斤拷锟斤拷锟斤拷没锟斤拷锟铰诧拷锟斤拷茫锟斤拷锟斤拷锟斤拷锟斤拷锟絚um 也为 2027锟斤拷

锟劫匡拷一锟斤拷锟节讹拷锟叫碉拷锟斤拷值锟斤拷

flat  flat%   sum%        cum   cum%
0     0%     99.75%        186  9.15%  bufio.(*Reader).Peek

bufio.(*Reader).Peek 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� goroutine锟斤拷flat = 0锟斤拷锟斤拷锟斤拷锟角碉拷锟斤拷锟斤拷锟侥猴拷锟斤拷锟斤拷锟斤拷锟斤拷 goroutine 占锟斤拷 ( 99.75% )锟斤拷锟斤拷锟斤拷锟铰诧拷锟斤拷么锟斤拷锟斤拷锟� 186 锟斤拷 goroutine锟斤拷占锟斤拷 9.15%锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷 goroutine 泄漏锟斤拷时锟斤拷要锟斤拷锟侥革拷值锟截ｏ拷- 锟皆的ｏ拷cum锟斤拷

锟揭碉拷 cum 占锟斤拷锟斤拷锟侥猴拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟角讹拷锟斤拷锟斤拷曳锟较低筹拷锟斤拷煤锟斤拷锟斤拷锟斤拷锟斤拷锟轿低筹拷锟斤拷煤锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解）锟斤拷锟斤拷么锟斤拷锟角撅拷知锟斤拷锟斤拷锟角碉拷锟侥革拷应锟矫猴拷锟斤拷锟斤拷锟斤拷 goroutine 泄漏锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷说锟铰ｏ拷锟叫碉拷锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷 list + 锟斤拷锟斤拷锟斤拷锟侥凤拷式锟斤拷锟叫筹拷锟斤拷占锟斤拷锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷然锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟介景锟斤拷为锟斤拷锟斤拷锟斤拷 - 锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷装源锟斤拷+锟斤拷锟斤拷锟解。锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷遣锟斤拷锟斤拷艿模锟斤拷锟斤拷锟斤拷锟斤拷list 锟斤拷锟斤拷锟斤拷实锟绞凤拷锟斤拷锟斤拷锟斤拷锟皆硷拷锟角猴拷锟斤拷锟矫碉拷锟侥★拷

cpu锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟� cpu 锟斤拷锟角碉拷锟斤拷锟解，锟斤拷锟角撅拷锟斤拷要使锟斤拷pprof 锟阶硷拷锟叫碉拷 profile 锟斤拷锟斤拷锟斤拷锟斤拷位锟斤拷锟侥革拷锟斤拷锟斤拷占锟斤拷 cpu 锟饺较多。

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷确一锟铰ｏ拷

锟斤拷锟斤拷说锟斤拷要锟斤拷位一锟斤拷锟斤拷锟斤拷锟� cpu 锟斤拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷一锟斤拷时锟斤拷胃锟斤拷睿拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟轿皇裁词憋拷锟斤拷锟节碉拷 cpu 锟斤拷锟侥★拷锟斤拷 - 锟斤拷锟斤当然锟睫凤拷锟斤拷位锟斤拷去时锟斤拷锟� cpu 锟斤拷锟侥ｏ拷锟斤拷锟斤拷只锟杰讹拷位锟斤拷锟斤拷锟斤拷时锟戒开始一锟斤拷时锟斤拷锟节碉拷 cpu 锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟节匡拷始锟斤拷 30s 锟斤拷为取锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷诘锟� cpu 锟斤拷时锟街诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷 pprof 锟剿匡拷锟斤拷锟斤拷锟筋，锟斤拷锟斤拷位抓取 30s 锟节碉拷锟斤拷锟侥ｏ拷同锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷 curl 锟斤拷锟筋即锟缴★拷

curl -o profile.log localhost:6060/debug/pprof/profile?seconds=30

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絪econds - 指锟斤拷锟斤拷锟斤拷时锟戒，锟杰猴拷锟斤拷锟解。锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� profile.log 锟斤拷锟斤拷一锟街讹拷锟斤拷锟斤拷锟斤拷锟诫，profile 锟斤拷没锟斤拷 debug 锟斤拷锟斤拷锟侥ｏ拷锟斤拷只锟斤拷通锟斤拷 go tool pprof 锟斤拷锟竭打开★拷锟斤拷锟斤拷锟斤拷前锟阶� go 锟斤拷锟竭ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷 profile.log 锟斤拷锟斤拷 go 锟斤拷锟竭的伙拷锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷锟侥讹拷锟斤拷- 锟斤拷锟斤拷锟斤拷潜冉锟斤拷榉筹拷锟揭伙拷锟斤拷恕锟�

锟斤拷锟斤拷锟斤拷锟揭ｏ拷锟侥讹拷锟侥凤拷锟斤拷同 goroutine 锟斤拷 top 锟斤拷锟斤拷锟斤拷锟狡ｏ拷唯一锟斤拷同锟斤拷锟角ｏ拷锟斤拷锟斤拷锟斤拷锟皆达拷锟斤拷锟斤拷撕锟斤拷锟斤拷锟斤拷牡锟� cpu 时锟戒。

(pprof) top100
Showing nodes accounting for 4.26s, 79.92% of 5.33s total
Dropped 370 nodes (cum <= 0.03s)
Showing top 100 nodes out of 395
      flat  flat%   sum%        cum   cum%
     0.49s  9.19%  9.19%      0.73s 13.70%  runtime.scanobject
     0.43s  8.07% 17.26%      0.43s  8.07%  runtime.futex
     0.32s  6.00% 23.26%      0.35s  6.57%  syscall.Syscall
     0.23s  4.32% 27.58%      0.53s  9.94%  runtime.mallocgc
     0.19s  3.56% 31.14%      0.19s  3.56%  runtime.epollwait
     0.13s  2.44% 33.58%      0.13s  2.44%  runtime.greyobject
     0.13s  2.44% 36.02%      0.14s  2.63%  runtime.heapBitsSetType
     0.13s  2.44% 38.46%      0.13s  2.44%  runtime.memmove
     0.12s  2.25% 40.71%      0.12s  2.25%  runtime.findObject
     0.12s  2.25% 42.96%      0.12s  2.25%  runtime.usleep
     0.10s  1.88% 44.84%      0.80s 15.01%  runtime.findrunnable
     0.10s  1.88% 46.72%      0.26s  4.88%  runtime.stealWork
     0.08s  1.50% 48.22%      0.08s  1.50%  [libc-2.28.so]
     0.08s  1.50% 49.72%      0.11s  2.06%  runtime.mapaccess2
     0.08s  1.50% 51.22%      0.08s  1.50%  runtime.memclrNoHeapPointers
     0.06s  1.13% 52.35%      0.11s  2.06%  go.uber.org/zap/zapcore.(*jsonEncoder).tryAddRuneSelf
     0.05s  0.94% 53.28%      0.19s  3.56%  google.golang.org/protobuf/internal/impl.(*MessageInfo).unmarshalPointer
     0.05s  0.94% 54.22%      0.06s  1.13%  runtime.lock2
     0.05s  0.94% 55.16%      0.15s  2.81%  runtime.mapassign_faststr
     0.05s  0.94% 56.10%      0.05s  0.94%  runtime.step

锟斤拷畏锟斤拷锟斤拷锟斤拷锟斤拷锟姐看锟斤拷 goroutine 锟角节ｏ拷锟斤拷知锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷路锟剿ｏ拷锟斤拷锟矫伙拷锌锟斤拷锟斤拷锟斤拷戏锟斤拷锟� - 1 锟斤拷 cum 值锟斤拷2 锟斤拷锟剿筹拷锟斤拷系统锟斤拷锟斤拷锟斤拷锟矫ｏ拷锟斤拷一锟斤拷占锟斤拷锟斤拷锟斤拷应锟矫猴拷锟斤拷锟斤拷锟斤拷锟斤拷目锟疥函锟斤拷锟剿ｏ拷然锟斤拷锟斤拷锟斤拷锟斤拷耄拷锟矫伙拷锟绞裁� for 锟斤拷循锟斤拷锟斤拷锟斤拷没锟斤拷什么锟斤拷 cpu 锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟剿★拷

锟节达拷锟斤拷锟斤拷

锟斤拷没锟斤拷 goroutine 泄漏锟斤拷前锟斤拷锟铰ｏ拷锟节达拷为什么占锟斤拷锟斤拷么锟斤拷锟截ｏ拷锟斤拷锟斤拷锟斤拷要 pprof 锟阶硷拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟竭ｏ拷allocs 锟斤拷 heap锟斤拷

为什么锟斤拷锟斤拷锟斤拷锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥诧拷锟斤拷锟斤拷allocs 锟斤拷锟斤拷锟斤拷锟斤拷某锟斤拷锟斤拷锟斤拷锟斤拷史锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟节存（锟斤拷锟斤拷锟窖撅拷锟斤拷锟斤拷锟剿的ｏ拷锟斤拷锟斤拷 heap 锟斤拷锟斤拷锟斤拷锟角碉拷前锟斤拷跃锟斤拷锟节达拷占锟矫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰匡拷锟斤拷 allocs 锟叫碉拷锟斤拷值锟斤拷锟� heap 锟斤拷锟剿非筹拷锟洁，一锟斤拷锟斤拷锟斤拷使锟斤拷 heap 锟饺较多。

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟筋都锟斤拷 debug 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 debug 锟斤拷锟斤拷只锟斤拷为 1 锟斤拷锟斤拷没锟叫★拷同 goroutine 锟斤拷锟斤拷一锟斤拷锟斤拷没锟斤拷 debug 锟斤拷锟斤拷锟斤拷只锟斤拷通锟斤拷 go tool 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟介烦些锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟� debug=1 锟侥可讹拷锟斤拷锟侥憋拷锟斤拷

curl -o allocs1.log localhost:6606/debug/pprof/allocs?debug=1

锟斤拷锟斤拷说一锟铰ｏ拷allocs 锟斤拷 heap 锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷 debug=1 锟侥诧拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷一锟斤拷锟侥ｏ拷锟缴讹拷锟斤拷锟侥憋拷锟斤拷锟芥不锟斤拷锟斤拷锟斤拷锟剿碉拷前锟斤拷跃锟斤拷锟节达拷锟斤拷息锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷史锟斤拷锟斤拷锟斤拷锟节达拷锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸故撅拷锟�

heap profile: 169: 18537048 [35672473: 126318298296] @ heap/1048576
1: 1810432 [1: 1810432] @ 0x41dbee 0x41d99c 0x1b75345 0x456203 0x456151 0x456151 0x456151 0x448ec6 0x47aa41
#       0x1b75344       github.com/mozillazg/go-pinyin.init+0x3c4       /root/go/pkg/mod/github.com/mozillazg/[email protected]/pinyin_dict.go:5
#       0x456202        runtime.doInit+0x122                            /usr/go/src/runtime/proc.go:6498
#       0x456150        runtime.doInit+0x70                             /usr/go/src/runtime/proc.go:6475
#       0x456150        runtime.doInit+0x70                             /usr/go/src/runtime/proc.go:6475
#       0x456150        runtime.doInit+0x70                             /usr/go/src/runtime/proc.go:6475
#       0x448ec5        runtime.main+0x1e5                              /usr/go/src/runtime/proc.go:238

锟斤拷一锟斤拷 169: 18537048 [35672473: 126318298296] 锟斤拷锟斤拷锟斤拷锟角ｏ拷锟斤拷锟斤拷锟斤拷锟侥壳帮拷锟皆� 169 锟斤拷锟斤拷锟斤拷占锟斤拷锟街斤拷锟斤拷18537048锟斤拷锟斤拷史锟叫癸拷 35672473 锟斤拷锟斤拷锟斤拷占锟斤拷锟街斤拷锟斤拷 126318298296锟斤拷 1048576 锟斤拷示锟节达拷锟斤拷锟斤拷锟狡碉拷剩锟侥拷喜锟斤拷锟狡碉拷锟斤拷锟�512kb 锟斤拷锟斤拷锟斤拷锟斤拷锟狡碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诖锟斤拷锟斤拷频锟绞ｏ拷1024 x 1024锟斤拷锟斤拷

锟节讹拷锟斤拷 1: 1810432 [1: 1810432] 锟斤拷锟斤拷锟斤拷锟角ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸伙拷锟皆� 1 锟斤拷锟斤拷锟斤拷占锟斤拷锟街斤拷锟斤拷 1810432锟斤拷锟斤拷史只锟叫癸拷 1 锟斤拷锟斤拷锟斤拷占锟斤拷锟街斤拷锟斤拷 1810432锟斤拷

锟斤拷锟斤拷实锟斤拷说锟斤拷锟斤拷锟斤拷锟节达拷锟斤拷锟斤拷锟斤拷锟斤拷 curl 锟侥凤拷式锟斤拷锟结看锟侥猴拷锟桔ｏ拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷锟轿猴拷太锟斤拷锟斤拷锟藉，锟斤拷锟斤拷占锟斤拷锟斤拷锟斤拷诖锟侥ｏ拷锟斤拷锟斤拷锟角非筹拷锟斤拷锟斤拷锟侥ｏ拷要锟斤拷锟斤拷锟斤拷锟芥几锟斤拷锟斤拷锟斤拷知锟斤拷锟侥革拷占锟斤拷锟节达拷蟛缓锟斤拷锟斤拷锟�

锟斤拷锟斤拷通锟斤拷 go tool 锟斤拷锟斤拷锟斤拷锟介看top 锟斤拷为锟斤拷荩锟�

锟斤拷锟斤拷锟斤拷 allocs 锟斤拷锟斤拷锟� top

(pprof) top10
Showing nodes accounting for 8273GB, 47.42% of 17444.69GB total
Dropped 2963 nodes (cum <= 87.22GB)
Showing top 10 nodes out of 267
      flat  flat%   sum%        cum   cum%
 1948.96GB 11.17% 11.17%  1948.96GB 11.17%  go.uber.org/zap/buffer.(*Buffer).AppendByte (inline)
 1260.22GB  7.22% 18.40%  1260.22GB  7.22%  my-go/codec.MetaData.Clone
  895.47GB  5.13% 23.53%  3649.40GB 20.92%  go.uber.org/zap/zapcore.(*ioCore).Write
  894.80GB  5.13% 28.66%   987.35GB  5.66%  google.golang.org/protobuf/internal/encoding/text.(*Encoder).WriteName (inline)
  813.76GB  4.66% 33.32%   813.76GB  4.66%  go.uber.org/zap/internal/bufferpool.init.func1
  780.93GB  4.48% 37.80%  3200.55GB 18.35%  fmt.Sprintf

锟斤拷锟斤拷锟斤拷 heap 锟斤拷锟斤拷锟� top

Showing nodes accounting for 47.06MB, 50.44% of 93.30MB total
Showing top 10 nodes out of 487
      flat  flat%   sum%        cum   cum%
   12.93MB 13.86% 13.86%    12.93MB 13.86%  google.golang.org/protobuf/internal/strs.(*Builder).AppendFullName
    9.06MB  9.71% 23.57%    17.50MB 18.75%  google.golang.org/protobuf/internal/filedesc.(*Message).unmarshalFull
    6.11MB  6.54% 30.12%     6.11MB  6.54%  github.com/rcrowley/go-metrics.newExpDecaySampleHeap
    3.50MB  3.75% 33.87%     6.50MB  6.97%  my-go/pkg/model/pb.v2ServiceInstancesToV1
    3.01MB  3.22% 37.09%     3.01MB  3.22%  github.com/Shopify/sarama.(*asyncProducer).newPartitionProducer
       3MB  3.22% 40.31%        3MB  3.22%  my-go/pkg/model/pb.v2StringToV1WrapperString (inline)

锟斤拷锟斤拷锟斤拷也锟杰匡拷锟斤拷锟斤拷alloc 锟斤拷锟斤拷值锟斤拷 heap 锟斤拷锟剿诧拷锟劫ｏ拷锟斤拷锟街拷拢锟絟eap 锟斤拷锟斤拷锟斤拷诜锟斤拷锟斤拷锟角帮拷锟斤拷锟斤拷诖锟秸硷拷酶锟斤拷锟斤拷锟斤拷谩锟�

锟斤拷锟斤拷

pprof 锟阶硷拷锟叫伙拷锟叫很多工锟竭ｏ拷锟斤拷锟斤拷些锟斤拷锟斤拷锟截ｏ拷锟斤拷锟矫凤拷锟斤拷去锟角ｏ拷直锟斤拷 curl 也锟杰匡拷锟斤拷锟斤拷锟斤拷

curl http://localhost:6606/debug/pprof/

锟斤拷锟斤拷锟� html 锟斤拷锟斤拷锟铰碉拷锟斤拷锟斤拷锟斤拷息锟斤拷

204775allocs
0block
0cmdline
1882goroutine
204775heap
0mutex
0profile
18threadcreate
0trace

allocs: 
 A sampling of all past memory allocations
block: 
 Stack traces that led to blocking on synchronization primitives
cmdline: 
 The command line invocation of the current program
goroutine: 
 Stack traces of all current goroutines
heap: 
 A sampling of memory allocations of live objects. You can specify the gc GET parameter to run GC before taking the heap sample.
mutex: 
 Stack traces of holders of contended mutexes
profile: 
 CPU profile. You can specify the duration in the seconds GET parameter. After you get the profile file, use the go tool pprof command to investigate the profile.
threadcreate: 
 Stack traces that led to the creation of new OS threads
trace: 
 A trace of execution of the current program. You can specify the duration in the seconds GET parameter. After you get the trace file, use the go tool trace command to investigate the trace.

锟斤拷 Claude 锟斤拷锟斤拷锟角斤拷锟斤拷锟铰ｏ拷

锟斤拷些锟斤拷 Go (golang) pprof 锟斤拷锟结供锟侥诧拷同锟侥凤拷锟斤拷锟斤拷锟斤拷,每锟斤拷锟斤拷锟竭讹拷锟斤拷锟截讹拷锟斤拷目锟斤拷,锟斤拷锟节凤拷锟斤拷锟酵碉拷锟斤拷 Go 应锟矫筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻ｏ拷锟斤拷锟斤拷锟矫匡拷锟斤拷锟斤拷叩墓锟斤拷锟�:

allocs : 锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷斯锟饺ワ拷锟斤拷锟斤拷诖锟斤拷锟斤拷牟锟斤拷锟�,锟斤拷锟斤拷锟斤拷识锟斤拷锟节达拷泄漏锟斤拷锟脚伙拷应锟矫筹拷锟斤拷锟斤拷诖锟绞癸拷谩锟�
block : 锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷锟斤拷锟斤拷锟斤拷锟酵拷锟皆拷锟�(锟界互锟斤拷锟斤拷锟斤拷通锟斤拷)锟较碉拷 goroutine 锟侥讹拷栈锟斤拷锟斤拷,锟缴帮拷锟斤拷识锟斤拷锟斤拷锟斤拷锟角憋拷诘锟狡匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻�
cmdline : 锟斤拷锟斤拷锟斤拷呒虻サ胤锟斤拷氐锟角帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷,锟斤拷锟斤拷锟斤拷锟剿斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥★拷
goroutine : 锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷锟斤拷锟斤拷械锟角� goroutine 锟侥讹拷栈锟斤拷锟斤拷,锟缴帮拷锟斤拷锟剿斤拷应锟矫筹拷锟斤拷锟斤拷锟斤拷宀拷锟斤拷锟�,锟斤拷识锟斤拷锟斤拷艽锟斤拷锟斤拷锟斤拷锟斤拷 goroutine锟斤拷
heap : 锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷嘶疃拷锟斤拷锟斤拷诖锟斤拷锟斤拷牟锟斤拷锟�,锟斤拷锟斤拷锟斤拷识锟斤拷锟节达拷使锟斤拷模式锟斤拷潜锟节碉拷锟节达拷泄漏锟斤拷
mutex : 锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷顺锟斤拷锟斤拷锟斤拷没锟斤拷锟斤拷锟斤拷锟� goroutine 锟侥讹拷栈锟斤拷锟斤拷,锟缴帮拷锟斤拷识锟斤拷应锟矫筹拷锟斤拷锟斤拷潜锟节的诧拷锟斤拷锟斤拷锟斤拷锟狡匡拷锟斤拷锟�
profile : 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� CPU 锟斤拷锟杰凤拷锟斤拷,锟斤拷锟斤拷锟斤拷识锟斤拷应锟矫筹拷锟斤拷锟斤拷 CPU 锟杰硷拷锟酵碉拷锟斤拷锟斤拷锟斤拷锟解。锟斤拷锟斤拷锟斤拷使锟斤拷 seconds GET 锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟侥筹拷锟斤拷时锟戒。
threadcreate : 锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷说锟斤拷锟斤拷碌牟锟斤拷锟较低筹拷叱檀锟斤拷锟斤拷亩锟秸伙拷锟斤拷锟�,锟斤拷锟斤拷锟斤拷锟剿斤拷应锟矫筹拷锟斤拷锟斤拷锟斤拷宀拷锟斤拷院锟斤拷锟皆达拷锟斤拷锟斤拷锟斤拷锟斤拷
trace : 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接︼拷贸锟斤拷锟街达拷械锟阶凤拷锟�,锟斤拷锟斤拷锟节凤拷锟斤拷应锟矫筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�,锟斤拷锟斤拷 goroutine 锟斤拷锟饺★拷I/O 锟斤拷同锟斤拷锟铰硷拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷 seconds GET 锟斤拷锟斤拷指锟斤拷追锟劫的筹拷锟斤拷时锟戒。