On Fri, 2005-06-10 at 09:43 -0700, Raj, Ashok wrote: > Just PCI device interrupts are level triggered, interesting would be to > get edge triggered cases, esp MSI capable devices. This can locate if > fixup_irqs() need any special handling. > > Also unsolicited intr, from network are great loads, since during cpu > remove we bring system to > Knees, nothing originates locally, but we cant stop outside world > talking to us, these are great cases to find missing intr as well. What if we ran a database workload (DBT2 for example) from a client that remotely mounts (using NFS V4) its database? Then offline a CPU on the NFS Server. Would that qualify? We could also offline a cpu on the client, as there should be lots of threads (to capture Craig's case.) > > Also Shaohua (cced) found some corruption problem in large cache cases, > iam checking if he can send us test specifics, so we could incorporate > them as well. > > Cheers, > ashok raj > - Open Source Technology Center > > > >-----Original Message----- > >From: hotplug_sig-bounces@xxxxxxxxxxxxxx > [mailto:hotplug_sig-bounces@xxxxxxxxxxxxxx] On Behalf Of Joel > >Schopp > >Sent: Friday, June 10, 2005 9:35 AM > >To: Craig Thomas > >Cc: hotplug_sig@xxxxxxxxxxxxxx > >Subject: Re: [Hotplug_sig] MINUTES for Hotplug SIG Con Call 03/26 > > > >> One of the background loads needs to consist of several > >> threaded applications running concurrently. Threads really mess > >> up the scheduler and CPU usage. Java programs and just plain > >> C programs that are threaded will make good background loads. > > > >Yes, and loads which generate lots of interrupts. Most SCSI and > >ethernet traffic generates interrupts at a frantic pace. So any disk > or > >network benchmark would do wonders at causing interrupts at the wrong > >place or at the wrong time. > > > > > _______________________________________________ > Hotplug_sig mailing list > Hotplug_sig@xxxxxxxxxxxxxx > http://lists.osdl.org/mailman/listinfo/hotplug_sig -- Mary Edie Meredith maryedie@xxxxxxxx 503-906-1942 Data Center Linux Initiative Manager Open Source Development Labs
