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Diffstat (limited to 'src/runtime/extern.go')
| -rw-r--r-- | src/runtime/extern.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/runtime/extern.go b/src/runtime/extern.go index 7316503ed2..b75507b8f8 100644 --- a/src/runtime/extern.go +++ b/src/runtime/extern.go @@ -78,6 +78,19 @@ It is a comma-separated list of name=val pairs setting these named variables: If the line ends with "(forced)", this GC was forced by a runtime.GC() call. + inittrace: setting inittrace=1 causes the runtime to emit a single line to standard + error for each package with init work, summarizing the execution time and memory + allocation. No information is printed for inits executed as part of plugin loading + and for packages without both user defined and compiler generated init work. + The format of this line is subject to change. Currently, it is: + init # @#ms, # ms clock, # bytes, # allocs + where the fields are as follows: + init # the package name + @# ms time in milliseconds when the init started since program start + # clock wall-clock time for package initialization work + # bytes memory allocated on the heap + # allocs number of heap allocations + madvdontneed: setting madvdontneed=1 will use MADV_DONTNEED instead of MADV_FREE on Linux when returning memory to the kernel. This is less efficient, but causes RSS numbers to drop |