On Jan 16 14:08, Corinna Vinschen via Cygwin wrote: > On Jan 16 11:19, Corinna Vinschen via Cygwin wrote: > > On Jan 15 22:04, System Administrator via Cygwin wrote: > > > Hello, > > > > > > I am trying to migrate my framework to Windows 11 running Cygwin. > > > When executing vmstat it returns the following error: > > > > > > "Unable to create system stat structure” > > > [...] > While that's obviously wrong, it's not the problem. It turns out that > vmstat from procps-ng 4.0.2 stumbles over the fact, that /proc/cpuinfo > only prints the following fields if the CPU is a multi core CPU:
...in short, the topology info. > On Linux the output of those fields only depends on the configuration > of the kernel. If it has been built with CONFIG_SMP, these fields are > part of the /proc/cpuinfo output. > > On Cygwin, the output of these fields actually depends on the fact if > the HTT CPU flag is set or not. If not, it's not a multi core CPU and > the aforementioned fields are omitted. > > I could reproduce this issue by changing the CPU topology in my QEMU/KVM > Windows 10 machine. The default topology was 4 CPUs with 1 core and 1 > thread each. I changed that to 2 CPUs with 2 cores and 1 thread each. > After restarting the W10 machine, vmstat from procps-ng 4.0.2 started > working as desired. > > So we can fix this issue by tweaking Cygwin instead. I guess this will > be fodder for the upcoming 3.4.4 release. > > I'll also provide a test release in a bit, stay tuned. For testing, please check out the Cygwin test release 3.5.0-0.110.g75c375e86df3 via the setup tool and report back. Thanks, Corinna -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
