diff options
| author | Austin Clements <austin@google.com> | 2017-04-14 14:53:09 -0400 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2017-04-19 18:31:16 +0000 |
| commit | 7ca53f2f8b62fc850e1c8ba31afee7ebdff76084 (patch) | |
| tree | 8690b4cc058a93bbd2037333b2269b2cd831708e /src/cmd/trace | |
| parent | 22000f54073985958457168e8e19afa19e97821d (diff) | |
| download | go-7ca53f2f8b62fc850e1c8ba31afee7ebdff76084.tar.xz | |
cmd/trace: show swept and reclaimed bytes
This displays the swept and reclaimed bytes for sweep events in the
lower panel of the trace viewer.
Change-Id: If1665a1c02bbc47700e0d9f515e574f013f3f285
Reviewed-on: https://go-review.googlesource.com/40812
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Diffstat (limited to 'src/cmd/trace')
| -rw-r--r-- | src/cmd/trace/trace.go | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/cmd/trace/trace.go b/src/cmd/trace/trace.go index 72cab90de0..7db2188861 100644 --- a/src/cmd/trace/trace.go +++ b/src/cmd/trace/trace.go @@ -481,7 +481,13 @@ func generateTrace(params *traceParams) (ViewerData, error) { } ctx.emitSlice(&fakeMarkStart, text) case trace.EvGCSweepStart: - ctx.emitSlice(ev, "SWEEP") + slice := ctx.emitSlice(ev, "SWEEP") + if done := ev.Link; done != nil && done.Args[0] != 0 { + slice.Arg = struct { + Swept uint64 `json:"Swept bytes"` + Reclaimed uint64 `json:"Reclaimed bytes"` + }{done.Args[0], done.Args[1]} + } case trace.EvGoStart, trace.EvGoStartLabel: info := getGInfo(ev.G) if ev.Type == trace.EvGoStartLabel { @@ -574,8 +580,8 @@ func (ctx *traceContext) proc(ev *trace.Event) uint64 { } } -func (ctx *traceContext) emitSlice(ev *trace.Event, name string) { - ctx.emit(&ViewerEvent{ +func (ctx *traceContext) emitSlice(ev *trace.Event, name string) *ViewerEvent { + sl := &ViewerEvent{ Name: name, Phase: "X", Time: ctx.time(ev), @@ -583,7 +589,9 @@ func (ctx *traceContext) emitSlice(ev *trace.Event, name string) { Tid: ctx.proc(ev), Stack: ctx.stack(ev.Stk), EndStack: ctx.stack(ev.Link.Stk), - }) + } + ctx.emit(sl) + return sl } type heapCountersArg struct { |