diff options
Diffstat (limited to 'libgo/go/runtime/extern.go')
| -rw-r--r-- | libgo/go/runtime/extern.go | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/libgo/go/runtime/extern.go b/libgo/go/runtime/extern.go index a85fbb0..8d10c85 100644 --- a/libgo/go/runtime/extern.go +++ b/libgo/go/runtime/extern.go @@ -78,10 +78,23 @@ 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. - 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 - more quickly. + 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=0 will use MADV_FREE + instead of MADV_DONTNEED on Linux when returning memory to the + kernel. This is more efficient, but means RSS numbers will + drop only when the OS is under memory pressure. memprofilerate: setting memprofilerate=X will update the value of runtime.MemProfileRate. When set to 0 memory profiling is disabled. Refer to the description of |