gops:列出和诊断系统中正在运行Go 进程的命令行工具

gops 是一个用来列出系统中正在使用的Go程序，同时还可以诊断正在运行的Go程序。

$ gops 983 uplink-soecks (/usr/local/bin/uplink-soecks) 52697 gops (/Users/jbd/bin/gops) 51130 gocode (/Users/jbd/bin/gocode) 诊断 stack $ gops <pid> stack goroutine 35 [running]: github.com/google/gops/agent.handle(0x11897a0, 0xc4200d0000, 0xc4200c6000, 0x1, 0x1, 0x0, 0x0) /Users/jbd/src/github.com/google/gops/agent/agent.go:63 +0x182 github.com/google/gops/agent.init.1.func2(0x1189140, 0xc420078450) /Users/jbd/src/github.com/google/gops/agent/agent.go:50 +0x242 created by github.com/google/gops/agent.init.1 /Users/jbd/src/github.com/google/gops/agent/agent.go:56 +0x240 goroutine 1 [sleep]: time.Sleep(0x34630b8a000) /Users/jbd/go/src/runtime/time.go:59 +0xf7 main.main() /Users/jbd/src/github.com/google/gops/examples/hello/main.go:14 +0x30 goroutine 17 [syscall, locked to thread]: runtime.goexit() /Users/jbd/go/src/runtime/asm_amd64.s:2184 +0x1 goroutine 20 [syscall]: os/signal.signal_recv(0x0) /Users/jbd/go/src/runtime/sigqueue.go:116 +0xff os/signal.loop() /Users/jbd/go/src/os/signal/signal_unix.go:22 +0x22 created by os/signal.init.1 /Users/jbd/go/src/os/signal/signal_unix.go:28 +0x41 goroutine 21 [select, locked to thread]: runtime.gopark(0x1114a80, 0x0, 0x110d5ec, 0x6, 0x18, 0x2) /Users/jbd/go/src/runtime/proc.go:261 +0x13a runtime.selectgoImpl(0xc42003ff50, 0x0, 0x18) /Users/jbd/go/src/runtime/select.go:423 +0x1307 runtime.selectgo(0xc42003ff50) /Users/jbd/go/src/runtime/select.go:238 +0x1c runtime.ensureSigM.func1() /Users/jbd/go/src/runtime/signal_unix.go:408 +0x265 runtime.goexit() /Users/jbd/go/src/runtime/asm_amd64.s:2184 +0x1 goroutine 34 [chan receive]: github.com/google/gops/agent.init.1.func1(0xc4200740c0, 0xc4200880e0, 0x13) /Users/jbd/src/github.com/google/gops/agent/agent.go:33 +0x40 created by github.com/google/gops/agent.init.1 /Users/jbd/src/github.com/google/gops/agent/agent.go:36 +0x214 gc $ gops gc -p=<pid> memstats $ gops memstats -p=<pid> alloc: 219792 total-alloc: 219792 sys: 2822144 lookups: 9 mallocs: 336 frees: 8 heap-alloc: 219792 heap-sys: 1605632 heap-idle: 1015808 heap-in-use: 589824 heap-released: 0 heap-objects: 328 stack-in-use: 491520 stack-sys: 491520 next-gc: 4473924 last-gc: 0 ns ago gc-pause: 0 ns num-gc: 0 enable-gc: true debug-gc: false version $ gops version -p=<pid> devel +4141054 Thu Nov 3 17:42:01 2016 +0000 $ gops