diff options
Diffstat (limited to 'TODO.virt-top')
| -rw-r--r-- | TODO.virt-top | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/TODO.virt-top b/TODO.virt-top new file mode 100644 index 0000000..479c5ac --- /dev/null +++ b/TODO.virt-top @@ -0,0 +1,72 @@ +$Id: TODO.virt-top,v 1.2 2007/08/30 13:52:40 rjones Exp $ + +This is a list of bugs & tasks for virt-top. +---------------------------------------------------------------------- + +*** 0 Use public CVS and bug tracker to replace this file (!) + +*** 1 Segfault [FIXED 0.3.2.6] + +I have seen this segfault once: +https://www.redhat.com/archives/libvir-list/2007-August/msg00214.html + +It appeared to happen when several domains were shut down at the same +time, but has since been unreproducible. Suspect crazy reference +counting in libvirt to be part of the problem. + +[As suspected, turned out to be the crazy reference counting in +libvirt]. + +*** 2 Virt-top fails silently when started as non-root [FIXED 0.3.2.5] + +*** 3 Irix/Solaris mode + +'I' (toggles between 100% = all CPUs / 100% = single CPU). +In top this is called "Irix/Solaris mode" :-) + +*** 4 [jmh] Build out the stats collected by the --csv <filename.csv> option. + +Suggested being able to give a selection of VMs to monitor from the +command line. Also, being able to monitor just particular subsystems +(-sc for CPU, -sm for memory, etc. as in collectl). + +*** 5 [jmh & jneedham] Monitor resources used by dom0 on behalf of the guests. + +So that if dom0 is throttled right down, is that affecting throughput +of guests? I honestly don't know if it's possible to do this, but +I'll raise the issue upstream to see if they have any suggestions. + +*** 6 Per-guest / per-interface network statistics. [PARTIALLY DONE 0.3.2.6] + +Have a separate screen which breaks out the domain name / device name +and gives complete interface stats. + +RXBY TXBY RXRQ TXRQ DOMAIN INTERFACE + 5M 0 48 0 debian vif2.0 + 2M 0 20 0 oracle vif3.1 + 1M 5K 8 2 oracle vif3.0 + +*** 7 Per-guest / per-device block statistics. [PARTIALLY DONE 0.3.2.6] + +Have a separate screen which breaks out the domain name / device name +and gives complete block stats. + +RDBY WRBY RDRQ WRRQ DOMAIN DEVICE + 5M 0 48 0 debian hdb + 2M 0 20 0 debian hda + 1M 5K 8 2 oracle hda + +*** 8 [jneedham asked for] %WAIT + +I'm assuming this would mean in the context of the hypervisor, how +long are runnable domains waiting in the runqueue for access to a free +pCPU. I will ask upstream whether this stat is available through Xen, +and if so put in place the infrastructure to monitor it. + +*** 9 [jmh asked for] Configuration file or environment variable + +Thinking about maybe this is something we could controly via a +.virt-top-init file or an environment variable ? The same could also +be true for other options such as the selection of subsystems and/or +ordering/sorting ? + |