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Hana Kim authored
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/92355Reviewed-by:
Peter Weinberger <pjw@google.com>
a66af728
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