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Austin Clements authored
Currently when a goroutine blocks on a GC assist, it emits a generic EvGoBlock event. Since assist blocking events and, in particular, the length of the blocked assist queue, are important for diagnosing GC behavior, this commit adds a new EvGoBlockGC event for blocking on a GC assist. The trace viewer uses this event to report a "waiting on GC" count in the "Goroutines" row. This makes sense because, unlike other blocked goroutines, these goroutines do have work to do, so being blocked on a GC assist is quite similar to being in the "runnable" state, which we also report in the trace viewer. Change-Id: Ic21a326992606b121ea3d3d00110d8d1fdc7a5ef Reviewed-on: https://go-review.googlesource.com/30704 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Dmitry Vyukov <dvyukov@google.com>
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parser.go | ||
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writer.go |