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Dmitry Vyukov authored
On some VMs two events can happen at the same time. For examples: 179827399 GoStart p=2 g=11 off=936359 g=11 179827399 GoUnblock p=2 g=0 off=936355 g=11 If we do non-stable sort, the events can be reordered making the trace inconsistent. Do stable sort instead. Batches are dumped in FIFO order, so if these same-time events are split into separate batches, stable sort still works. Events on different CPUs go into different batches and can be reordered. But the intention is that causally-related events on different CPUs will have larger (non-zero) time diff. Update #11320 Change-Id: Id1df96af41dff68ea1782ab4b23d5afd63b890c9 Reviewed-on: https://go-review.googlesource.com/11834Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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