diff options
Diffstat (limited to 'src/runtime/mpagecache_test.go')
| -rw-r--r-- | src/runtime/mpagecache_test.go | 103 |
1 files changed, 53 insertions, 50 deletions
diff --git a/src/runtime/mpagecache_test.go b/src/runtime/mpagecache_test.go index 6cb0620f7b..19b4e04807 100644 --- a/src/runtime/mpagecache_test.go +++ b/src/runtime/mpagecache_test.go @@ -269,23 +269,6 @@ func TestPageAllocAllocToCache(t *testing.T) { afterScav map[ChunkIdx][]BitRange } tests := map[string]test{ - "AllFree": { - beforeAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {}, - }, - beforeScav: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{1, 1}, {64, 64}}, - }, - hits: []PageCache{ - NewPageCache(PageBase(BaseChunkIdx, 0), ^uint64(0), 0x2), - NewPageCache(PageBase(BaseChunkIdx, 64), ^uint64(0), ^uint64(0)), - NewPageCache(PageBase(BaseChunkIdx, 128), ^uint64(0), 0), - NewPageCache(PageBase(BaseChunkIdx, 192), ^uint64(0), 0), - }, - afterAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, 256}}, - }, - }, "ManyArena": { beforeAlloc: map[ChunkIdx][]BitRange{ BaseChunkIdx: {{0, PallocChunkPages}}, @@ -306,72 +289,92 @@ func TestPageAllocAllocToCache(t *testing.T) { BaseChunkIdx + 2: {{0, PallocChunkPages}}, }, }, - "NotContiguous": { + + "Fail": { beforeAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, PallocChunkPages}}, - BaseChunkIdx + 0xff: {{0, 0}}, + BaseChunkIdx: {{0, PallocChunkPages}}, + }, + hits: []PageCache{ + NewPageCache(0, 0, 0), + NewPageCache(0, 0, 0), + NewPageCache(0, 0, 0), + }, + afterAlloc: map[ChunkIdx][]BitRange{ + BaseChunkIdx: {{0, PallocChunkPages}}, + }, + }, + "RetainScavBits": { + beforeAlloc: map[ChunkIdx][]BitRange{ + BaseChunkIdx: {{0, 1}, {10, 2}}, }, beforeScav: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, PallocChunkPages}}, - BaseChunkIdx + 0xff: {{31, 67}}, + BaseChunkIdx: {{0, 4}, {11, 1}}, }, hits: []PageCache{ - NewPageCache(PageBase(BaseChunkIdx+0xff, 0), ^uint64(0), ((uint64(1)<<33)-1)<<31), + NewPageCache(PageBase(BaseChunkIdx, 0), ^uint64(0x1|(0x3<<10)), 0x7<<1), }, afterAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, PallocChunkPages}}, - BaseChunkIdx + 0xff: {{0, 64}}, + BaseChunkIdx: {{0, 64}}, }, afterScav: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, PallocChunkPages}}, - BaseChunkIdx + 0xff: {{64, 34}}, + BaseChunkIdx: {{0, 1}, {11, 1}}, }, }, - "First": { + } + if PallocChunkPages >= 512 { + tests["AllFree"] = test{ beforeAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, 32}, {33, 31}, {96, 32}}, + BaseChunkIdx: {}, }, beforeScav: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{1, 4}, {31, 5}, {66, 2}}, + BaseChunkIdx: {{1, 1}, {64, 64}}, }, hits: []PageCache{ - NewPageCache(PageBase(BaseChunkIdx, 0), 1<<32, 1<<32), - NewPageCache(PageBase(BaseChunkIdx, 64), (uint64(1)<<32)-1, 0x3<<2), + NewPageCache(PageBase(BaseChunkIdx, 0), ^uint64(0), 0x2), + NewPageCache(PageBase(BaseChunkIdx, 64), ^uint64(0), ^uint64(0)), + NewPageCache(PageBase(BaseChunkIdx, 128), ^uint64(0), 0), + NewPageCache(PageBase(BaseChunkIdx, 192), ^uint64(0), 0), }, afterAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, 128}}, + BaseChunkIdx: {{0, 256}}, }, - }, - "Fail": { + } + tests["NotContiguous"] = test{ beforeAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, PallocChunkPages}}, + BaseChunkIdx: {{0, PallocChunkPages}}, + BaseChunkIdx + 0xff: {{0, 0}}, + }, + beforeScav: map[ChunkIdx][]BitRange{ + BaseChunkIdx: {{0, PallocChunkPages}}, + BaseChunkIdx + 0xff: {{31, 67}}, }, hits: []PageCache{ - NewPageCache(0, 0, 0), - NewPageCache(0, 0, 0), - NewPageCache(0, 0, 0), + NewPageCache(PageBase(BaseChunkIdx+0xff, 0), ^uint64(0), ((uint64(1)<<33)-1)<<31), }, afterAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, PallocChunkPages}}, + BaseChunkIdx: {{0, PallocChunkPages}}, + BaseChunkIdx + 0xff: {{0, 64}}, }, - }, - "RetainScavBits": { + afterScav: map[ChunkIdx][]BitRange{ + BaseChunkIdx: {{0, PallocChunkPages}}, + BaseChunkIdx + 0xff: {{64, 34}}, + }, + } + tests["First"] = test{ beforeAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, 1}, {10, 2}}, + BaseChunkIdx: {{0, 32}, {33, 31}, {96, 32}}, }, beforeScav: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, 4}, {11, 1}}, + BaseChunkIdx: {{1, 4}, {31, 5}, {66, 2}}, }, hits: []PageCache{ - NewPageCache(PageBase(BaseChunkIdx, 0), ^uint64(0x1|(0x3<<10)), 0x7<<1), + NewPageCache(PageBase(BaseChunkIdx, 0), 1<<32, 1<<32), + NewPageCache(PageBase(BaseChunkIdx, 64), (uint64(1)<<32)-1, 0x3<<2), }, afterAlloc: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, 64}}, - }, - afterScav: map[ChunkIdx][]BitRange{ - BaseChunkIdx: {{0, 1}, {11, 1}}, + BaseChunkIdx: {{0, 128}}, }, - }, + } } // Disable these tests on iOS since we have a small address space. // See #46860. |