Open http://localhost:8888/debug/pprof/在您的浏览器中。您将看到两个相关链接:“goroutine”(http://localhost:8888/debug/pprof/goroutine?debug=1)和“完整的 goroutine 堆栈转储”(http://localhost:8888/debug/pprof/goroutine?debug=2).
第一个将显示与一个条目共享相同代码的所有 goroutine,并在其名称之前显示此类 goroutine 的数量。例如:
1 @ 0x42f223 0x42f2e4 0x40542f 0x404f4b 0x4a0586 0x4600a1
# 0x4a0586 gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands.(*RunCommand).startWorkers+0x56 /home/me/go/src/gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands/multi.go:164
1 @ 0x42f223 0x43dfd7 0x43d532 0x4a04ed 0x4600a1
# 0x4a04ed gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands.(*RunCommand).processRunners+0x45d /home/me/go/src/gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands/multi.go:147
这两个 goroutine 都有一个,这就是 @ 之前的 1 的意思。
完整转储对于查找泄漏非常有用,它会分别向您显示每个 goroutine,以及它的堆栈跟踪和它正在执行的操作(例如,它等待从通道接收数据的时间):
goroutine 49 [chan receive, 2 minutes]:
gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands.(*RunCommand).startWorkers(0xc820103ee0, 0xc820274000, 0xc820274060, 0xc8201d65a0)
/home/me/go/src/gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands/multi.go:164 +0x56
created by gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands.(*RunCommand).Run
/home/me/go/src/gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands/multi.go:294 +0x41b
goroutine 50 [select]:
gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands.(*RunCommand).processRunners(0xc820103ee0, 0x0, 0xc820274060, 0xc8201d65a0)
/home/me/go/src/gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands/multi.go:147 +0x45d
created by gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands.(*RunCommand).startWorkers
/home/me/go/src/gitlab.com/gitlab-org/gitlab-ci-multi-runner/commands/multi.go:165 +0x96