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runtime/pprof: document content of heap profile

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Fixes #11343.

Change-Id: I46efc24b687b9d060ad864fbb238c74544348e38
Reviewed-on: https://go-review.googlesource.com/12556
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Russ Cox 2015-07-23 00:14:33 -04:00
parent 9d56c1813e
commit 6b8762104a
1 changed files with 7 additions and 0 deletions
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7
src/runtime/pprof/pprof.go
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@ -41,6 +41,13 @@ import (
// These predefined profiles maintain themselves and panic on an explicit
// Add or Remove method call.
//
// The heap profile reports statistics as of the most recently completed
// garbage collection; it elides more recent allocation to avoid skewing
// the profile away from live data and toward garbage.
// If there has been no garbage collection at all, the heap profile reports
// all known allocations. This exception helps mainly in programs running
// without garbage collection enabled, usually for debugging purposes.
//
// The CPU profile is not available as a Profile. It has a special API,
// the StartCPUProfile and StopCPUProfile functions, because it streams
// output to a writer during profiling.