a66af7280d
Enabled when the tool runs with DEBUG_MEMORY_USAGE=1 env var. After reporting the usage, it waits until user enters input (helpful when checking top or other memory monitor) Also adds net/http/pprof to export debug endpoints. From the trace included in #21870 $ DEBUG_MEMORY_USAGE=1 go tool trace trace.out 2018/02/21 16:04:49 Parsing trace... after parsing trace Alloc: 3385747848 Bytes Sys: 3661654648 Bytes HeapReleased: 0 Bytes HeapSys: 3488907264 Bytes HeapInUse: 3426377728 Bytes HeapAlloc: 3385747848 Bytes Enter to continue... 2018/02/21 16:05:09 Serializing trace... after generating trace Alloc: 4908929616 Bytes Sys: 5319063640 Bytes HeapReleased: 0 Bytes HeapSys: 5032411136 Bytes HeapInUse: 4982865920 Bytes HeapAlloc: 4908929616 Bytes Enter to continue... 2018/02/21 16:05:18 Splitting trace... after spliting trace Alloc: 4909026200 Bytes Sys: 5319063640 Bytes HeapReleased: 0 Bytes HeapSys: 5032411136 Bytes HeapInUse: 4983046144 Bytes HeapAlloc: 4909026200 Bytes Enter to continue... 2018/02/21 16:05:39 Opening browser. Trace viewer is listening on http://127.0.0.1:33661 after httpJsonTrace Alloc: 5288336048 Bytes Sys: 7790245896 Bytes HeapReleased: 0 Bytes HeapSys: 7381123072 Bytes HeapInUse: 5324120064 Bytes HeapAlloc: 5288336048 Bytes Enter to continue... Change-Id: I88bb3cb1af3cb62e4643a8cbafd5823672b2e464 Reviewed-on: https://go-review.googlesource.com/92355 Reviewed-by: Peter Weinberger <pjw@google.com> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.
Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.
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Install From Source
If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.
Contributing
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To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.