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runtime: remove runtime frames from stacks in traces

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Stip uninteresting bottom and top frames from trace stacks.
This makes both binary and json trace files smaller,
and also makes stacks shorter and more readable in the viewer.

Change-Id: Ib9c80ccc280504f0e235f867f53f1d2652c41583
Reviewed-on: https://go-review.googlesource.com/5523
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Dmitry Vyukov <dvyukov@google.com>
This commit is contained in:
Dmitry Vyukov 2015-02-21 21:01:40 +03:00
parent fdd49d2be0
commit 919fd24884
16 changed files with 389 additions and 164 deletions
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4
src/internal/trace/parser.go
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@ -609,7 +609,7 @@ const (
EvGoBlockNet = 27 // goroutine blocks on network [timestamp, stack]
EvGoSysCall = 28 // syscall enter [timestamp, stack]
EvGoSysExit = 29 // syscall exit [timestamp, goroutine id]
EvGoSysBlock = 30 // syscall blocks [timestamp, stack]
EvGoSysBlock = 30 // syscall blocks [timestamp]
EvGoWaiting = 31 // denotes that goroutine is blocked when tracing starts [goroutine id]
EvGoInSyscall = 32 // denotes that goroutine is in syscall when tracing starts [goroutine id]
EvHeapAlloc = 33 // memstats.heap_alloc change [timestamp, heap_alloc]
@ -653,7 +653,7 @@ var EventDescriptions = [EvCount]struct {
EvGoBlockNet: {"GoBlockNet", true, []string{}},
EvGoSysCall: {"GoSysCall", true, []string{}},
EvGoSysExit: {"GoSysExit", false, []string{"g"}},
EvGoSysBlock: {"GoSysBlock", true, []string{}},
EvGoSysBlock: {"GoSysBlock", false, []string{}},
EvGoWaiting: {"GoWaiting", false, []string{"g"}},
EvGoInSyscall: {"GoInSyscall", false, []string{"g"}},
EvHeapAlloc: {"HeapAlloc", false, []string{"mem"}},