const runtime/pprof.tagProfile_DurationNanos

2 uses

	runtime/pprof (current package)
		proto.go#L81: 	tagProfile_DurationNanos     = 10 // int64
		proto.go#L355: 		b.pb.int64Opt(tagProfile_DurationNanos, b.end.Sub(b.start).Nanoseconds())

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