6969d9bf03
This is especially helpful in programs with very large numbers of goroutines: the bulk of the goroutines will show up at the top. Before: 1 @ 0x86ab8 0x86893 0x82164 0x8e7ce 0x7b798 0x5b871 # 0x86ab8 runtime/pprof.writeRuntimeProfile+0xb8 /Users/rsc/go/src/runtime/pprof/pprof.go:545 # 0x86893 runtime/pprof.writeGoroutine+0x93 /Users/rsc/go/src/runtime/pprof/pprof.go:507 # 0x82164 runtime/pprof.(*Profile).WriteTo+0xd4 /Users/rsc/go/src/runtime/pprof/pprof.go:236 # 0x8e7ce runtime/pprof_test.TestGoroutineCounts+0x15e /Users/rsc/go/src/runtime/pprof/pprof_test.go:603 # 0x7b798 testing.tRunner+0x98 /Users/rsc/go/src/testing/testing.go:473 1 @ 0x2d373 0x2d434 0x560f 0x516b 0x7cd42 0x7b861 0x2297 0x2cf90 0x5b871 # 0x7cd42 testing.RunTests+0x8d2 /Users/rsc/go/src/testing/testing.go:583 # 0x7b861 testing.(*M).Run+0x81 /Users/rsc/go/src/testing/testing.go:515 # 0x2297 main.main+0x117 runtime/pprof/_test/_testmain.go:72 # 0x2cf90 runtime.main+0x2b0 /Users/rsc/go/src/runtime/proc.go:188 10 @ 0x2d373 0x2d434 0x560f 0x516b 0x8e5b6 0x5b871 # 0x8e5b6 runtime/pprof_test.func1+0x36 /Users/rsc/go/src/runtime/pprof/pprof_test.go:582 50 @ 0x2d373 0x2d434 0x560f 0x516b 0x8e656 0x5b871 # 0x8e656 runtime/pprof_test.func3+0x36 /Users/rsc/go/src/runtime/pprof/pprof_test.go:584 40 @ 0x2d373 0x2d434 0x560f 0x516b 0x8e606 0x5b871 # 0x8e606 runtime/pprof_test.func2+0x36 /Users/rsc/go/src/runtime/pprof/pprof_test.go:583 After: 50 @ 0x2d373 0x2d434 0x560f 0x516b 0x8ecc6 0x5b871 # 0x8ecc6 runtime/pprof_test.func3+0x36 /Users/rsc/go/src/runtime/pprof/pprof_test.go:584 40 @ 0x2d373 0x2d434 0x560f 0x516b 0x8ec76 0x5b871 # 0x8ec76 runtime/pprof_test.func2+0x36 /Users/rsc/go/src/runtime/pprof/pprof_test.go:583 10 @ 0x2d373 0x2d434 0x560f 0x516b 0x8ec26 0x5b871 # 0x8ec26 runtime/pprof_test.func1+0x36 /Users/rsc/go/src/runtime/pprof/pprof_test.go:582 1 @ 0x2d373 0x2d434 0x560f 0x516b 0x7cd42 0x7b861 0x2297 0x2cf90 0x5b871 # 0x7cd42 testing.RunTests+0x8d2 /Users/rsc/go/src/testing/testing.go:583 # 0x7b861 testing.(*M).Run+0x81 /Users/rsc/go/src/testing/testing.go:515 # 0x2297 main.main+0x117 runtime/pprof/_test/_testmain.go:72 # 0x2cf90 runtime.main+0x2b0 /Users/rsc/go/src/runtime/proc.go:188 1 @ 0x87128 0x86f03 0x82164 0x8ee30 0x7b798 0x5b871 # 0x87128 runtime/pprof.writeRuntimeProfile+0xb8 /Users/rsc/go/src/runtime/pprof/pprof.go:566 # 0x86f03 runtime/pprof.writeGoroutine+0x93 /Users/rsc/go/src/runtime/pprof/pprof.go:528 # 0x82164 runtime/pprof.(*Profile).WriteTo+0xd4 /Users/rsc/go/src/runtime/pprof/pprof.go:236 # 0x8ee30 runtime/pprof_test.TestGoroutineCounts+0x150 /Users/rsc/go/src/runtime/pprof/pprof_test.go:603 # 0x7b798 testing.tRunner+0x98 /Users/rsc/go/src/testing/testing.go:473 Change-Id: I43de9eee2d96f9c46f7b0fbe099a0571164324f5 Reviewed-on: https://go-review.googlesource.com/20107 Reviewed-by: Ian Lance Taylor <iant@golang.org> |
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The Go Programming Language
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For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
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Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.