diff options
Diffstat (limited to 'libgo/go/runtime/pprof/mprof_test.go')
| -rw-r--r-- | libgo/go/runtime/pprof/mprof_test.go | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/libgo/go/runtime/pprof/mprof_test.go b/libgo/go/runtime/pprof/mprof_test.go index 54daefa23d7..079af15588d 100644 --- a/libgo/go/runtime/pprof/mprof_test.go +++ b/libgo/go/runtime/pprof/mprof_test.go @@ -7,6 +7,7 @@ package pprof_test import ( "bytes" "fmt" + "reflect" "regexp" "runtime" . "runtime/pprof" @@ -42,6 +43,17 @@ func allocatePersistent1K() { } } +// Allocate transient memory using reflect.Call. + +func allocateReflectTransient() { + memSink = make([]byte, 2<<20) +} + +func allocateReflect() { + rv := reflect.ValueOf(allocateReflectTransient) + rv.Call(nil) +} + var memoryProfilerRun = 0 func TestMemoryProfiler(t *testing.T) { @@ -61,6 +73,7 @@ func TestMemoryProfiler(t *testing.T) { allocateTransient1M() allocateTransient2M() allocatePersistent1K() + allocateReflect() memSink = nil runtime.GC() // materialize stats @@ -74,21 +87,25 @@ func TestMemoryProfiler(t *testing.T) { tests := []string{ fmt.Sprintf(`%v: %v \[%v: %v\] @ 0x[0-9,a-f x]+ -# 0x[0-9,a-f]+ pprof_test\.allocatePersistent1K\+0x[0-9,a-f]+ .*/mprof_test\.go:40 -# 0x[0-9,a-f]+ runtime_pprof_test\.TestMemoryProfiler\+0x[0-9,a-f]+ .*/mprof_test\.go:63 +# 0x[0-9,a-f]+ pprof_test\.allocatePersistent1K\+0x[0-9,a-f]+ .*/mprof_test\.go:41 +# 0x[0-9,a-f]+ runtime_pprof_test\.TestMemoryProfiler\+0x[0-9,a-f]+ .*/mprof_test\.go:75 `, 32*memoryProfilerRun, 1024*memoryProfilerRun, 32*memoryProfilerRun, 1024*memoryProfilerRun), fmt.Sprintf(`0: 0 \[%v: %v\] @ 0x[0-9,a-f x]+ -# 0x[0-9,a-f]+ pprof_test\.allocateTransient1M\+0x[0-9,a-f]+ .*/mprof_test.go:21 -# 0x[0-9,a-f]+ runtime_pprof_test\.TestMemoryProfiler\+0x[0-9,a-f]+ .*/mprof_test.go:61 +# 0x[0-9,a-f]+ pprof_test\.allocateTransient1M\+0x[0-9,a-f]+ .*/mprof_test.go:22 +# 0x[0-9,a-f]+ runtime_pprof_test\.TestMemoryProfiler\+0x[0-9,a-f]+ .*/mprof_test.go:73 `, (1<<10)*memoryProfilerRun, (1<<20)*memoryProfilerRun), // This should start with "0: 0" but gccgo's imprecise // GC means that sometimes the value is not collected. fmt.Sprintf(`(0|%v): (0|%v) \[%v: %v\] @ 0x[0-9,a-f x]+ -# 0x[0-9,a-f]+ pprof_test\.allocateTransient2M\+0x[0-9,a-f]+ .*/mprof_test.go:27 -# 0x[0-9,a-f]+ runtime_pprof_test\.TestMemoryProfiler\+0x[0-9,a-f]+ .*/mprof_test.go:62 +# 0x[0-9,a-f]+ pprof_test\.allocateTransient2M\+0x[0-9,a-f]+ .*/mprof_test.go:28 +# 0x[0-9,a-f]+ runtime_pprof_test\.TestMemoryProfiler\+0x[0-9,a-f]+ .*/mprof_test.go:74 `, memoryProfilerRun, (2<<20)*memoryProfilerRun, memoryProfilerRun, (2<<20)*memoryProfilerRun), + + fmt.Sprintf(`0: 0 \[%v: %v\] @( 0x[0-9,a-f]+)+ +# 0x[0-9,a-f]+ pprof_test\.allocateReflectTransient\+0x[0-9,a-f]+ .*/mprof_test.go:49 +`, memoryProfilerRun, (2<<20)*memoryProfilerRun), } for _, test := range tests { |