Re: [PATCH v4 20/24] replay: simple auto-snapshot mode for record

2024-03-12 Thread Nicholas Piggin
On Tue Mar 12, 2024 at 7:00 PM AEST, Pavel Dovgalyuk wrote: > On 11.03.2024 20:40, Nicholas Piggin wrote: > > record makes an initial snapshot when the machine is created, to enable > > reverse-debugging. Often the issue being debugged appears near the end of > > the trace, so it is important for p

Re: [PATCH v4 20/24] replay: simple auto-snapshot mode for record

2024-03-12 Thread Pavel Dovgalyuk
On 11.03.2024 20:40, Nicholas Piggin wrote: record makes an initial snapshot when the machine is created, to enable reverse-debugging. Often the issue being debugged appears near the end of the trace, so it is important for performance to keep snapshots close to the end. This implements a period

[PATCH v4 20/24] replay: simple auto-snapshot mode for record

2024-03-11 Thread Nicholas Piggin
record makes an initial snapshot when the machine is created, to enable reverse-debugging. Often the issue being debugged appears near the end of the trace, so it is important for performance to keep snapshots close to the end. This implements a periodic snapshot mode that keeps a rolling set of r