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Diffstat (limited to 'src/pkg/runtime/mem.go')
-rw-r--r-- | src/pkg/runtime/mem.go | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/pkg/runtime/mem.go b/src/pkg/runtime/mem.go deleted file mode 100644 index fa308b5d9..000000000 --- a/src/pkg/runtime/mem.go +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package runtime - -import "unsafe" - -// Note: the MemStats struct should be kept in sync with -// struct MStats in malloc.h - -// A MemStats records statistics about the memory allocator. -type MemStats struct { - // General statistics. - Alloc uint64 // bytes allocated and still in use - TotalAlloc uint64 // bytes allocated (even if freed) - Sys uint64 // bytes obtained from system (sum of XxxSys below) - Lookups uint64 // number of pointer lookups - Mallocs uint64 // number of mallocs - Frees uint64 // number of frees - - // Main allocation heap statistics. - HeapAlloc uint64 // bytes allocated and still in use - HeapSys uint64 // bytes obtained from system - HeapIdle uint64 // bytes in idle spans - HeapInuse uint64 // bytes in non-idle span - HeapReleased uint64 // bytes released to the OS - HeapObjects uint64 // total number of allocated objects - - // Low-level fixed-size structure allocator statistics. - // Inuse is bytes used now. - // Sys is bytes obtained from system. - StackInuse uint64 // bootstrap stacks - StackSys uint64 - MSpanInuse uint64 // mspan structures - MSpanSys uint64 - MCacheInuse uint64 // mcache structures - MCacheSys uint64 - BuckHashSys uint64 // profiling bucket hash table - GCSys uint64 // GC metadata - OtherSys uint64 // other system allocations - - // Garbage collector statistics. - NextGC uint64 // next run in HeapAlloc time (bytes) - LastGC uint64 // last run in absolute time (ns) - PauseTotalNs uint64 - PauseNs [256]uint64 // circular buffer of recent GC pause times, most recent at [(NumGC+255)%256] - NumGC uint32 - EnableGC bool - DebugGC bool - - // Per-size allocation statistics. - // 61 is NumSizeClasses in the C code. - BySize [61]struct { - Size uint32 - Mallocs uint64 - Frees uint64 - } -} - -var sizeof_C_MStats uintptr // filled in by malloc.goc - -func init() { - var memStats MemStats - if sizeof_C_MStats != unsafe.Sizeof(memStats) { - println(sizeof_C_MStats, unsafe.Sizeof(memStats)) - panic("MStats vs MemStatsType size mismatch") - } -} - -// ReadMemStats populates m with memory allocator statistics. -func ReadMemStats(m *MemStats) - -// GC runs a garbage collection. -func GC() |