| // 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 main |
| |
| import ( |
| "allocator" |
| ) |
| |
| var footprint int64 |
| func bigger() { |
| if footprint < allocator.footprint { |
| footprint = allocator.footprint; |
| println("Footprint", footprint); |
| } |
| } |
| |
| func main() { |
| for i := 0; i < 1<<16; i++ { |
| for j := 1; j <= 1<<22; j<<=1 { |
| if i == 0 { |
| println("First alloc:", j); |
| } |
| b := allocator.malloc(j); |
| allocator.free(b); |
| bigger(); |
| } |
| if i%(1<<10) == 0 { |
| println(i); |
| } |
| if i == 0 { |
| println("Primed", i); |
| allocator.frozen = true; |
| } |
| } |
| } |