Re: Controlling time in QEMU

2025-07-08 Thread Pierrick Bouvier
On 7/3/25 1:36 PM, Dr. David Alan Gilbert wrote: * Pierrick Bouvier (pierrick.bouv...@linaro.org) wrote: Hi, I recently needed to slow down time within a virtual machine, due to a timeout being hit because my QEMU binary which was not fast enough (gcov debug build if you're curious about the us

Re: Controlling time in QEMU

2025-07-03 Thread Dr. David Alan Gilbert
* Pierrick Bouvier (pierrick.bouv...@linaro.org) wrote: > Hi, > > I recently needed to slow down time within a virtual machine, due to a > timeout being hit because my QEMU binary which was not fast enough (gcov > debug build if you're curious about the use case). > > Currently, people tend to us

Re: Controlling time in QEMU

2025-06-10 Thread Pierrick Bouvier
On 6/6/25 12:03 PM, Pierrick Bouvier wrote: Hi, I recently needed to slow down time within a virtual machine, due to a timeout being hit because my QEMU binary which was not fast enough (gcov debug build if you're curious about the use case). Currently, people tend to use -icount shift=X with l

Re: Controlling time in QEMU

2025-06-10 Thread Pierrick Bouvier
Hi Bernard, On 6/10/25 3:22 AM, Bernhard Beschow wrote: As it seems a bit too good to be true, time for questions: - Has it already been considered? - Any obvious downside I might have skipped? The only downside I can see is that it seems to disturb QEMU's internal timekeeping. The GTK gui fr

Re: Controlling time in QEMU

2025-06-10 Thread Bernhard Beschow
Am 6. Juni 2025 19:03:32 UTC schrieb Pierrick Bouvier : >Hi, > >I recently needed to slow down time within a virtual machine, due to a timeout >being hit because my QEMU binary which was not fast enough (gcov debug build >if you're curious about the use case). > >Currently, people tend to use

Controlling time in QEMU

2025-06-06 Thread Pierrick Bouvier
Hi, I recently needed to slow down time within a virtual machine, due to a timeout being hit because my QEMU binary which was not fast enough (gcov debug build if you're curious about the use case). Currently, people tend to use -icount shift=X with low values for that, as it roughly maps ti