more interrupts (lower performance) in bare-metal compared with running VM

2012-07-27 Thread sheng qiu
Hi all, i am comparing network throughput performance under bare-metal case with that running VM with assigned-device (assigned NIC). i have two physical machines (each has a 10Gbit NIC), one is used as remote server (run netserver) and the other is used as the target tested one (run netperf with

more interrupts (lower performance) in bare-metal compared with running VM

2012-07-27 Thread sheng qiu
Hi all, i am comparing network throughput performance under bare-metal case with that running VM with assigned-device (assigned NIC). i have two physical machines (each has a 10Gbit NIC), one is used as remote server (run netserver) and the other is used as the target tested one (run netperf with

Re: lots of APIC_TMICT exit on VM with assigned NIC

2012-07-12 Thread sheng qiu
perhaps we can set some slack > on the timer so it's not re-set every time. > > > -- > error compiling committee.c: too many arguments to function > > -- Sheng Qiu Texas A & M University Room 332B Wisenbaker email: herbert1984...@gmail.com College Station, TX 77843-3259

Re: lots of APIC_TMICT exit on VM with assigned NIC

2012-07-12 Thread sheng qiu
02:54 AM, sheng qiu wrote: Hi all, i saw lots of APIC_TMICT exits while running a linux guest with assigned NIC. The APIC_TMICT exits is only a little fewer than the number of injected interrupts while handling network traffic on the assigned NIC. The network traffic was generated by running

lots of APIC_TMICT exit on VM with assigned NIC

2012-07-11 Thread sheng qiu
Hi all, i saw lots of APIC_TMICT exits while running a linux guest with assigned NIC. The APIC_TMICT exits is only a little fewer than the number of injected interrupts while handling network traffic on the assigned NIC. The network traffic was generated by running netperf on another machine

lots of APIC_TMICT exit on VM with assigned NIC

2012-07-11 Thread sheng qiu
Hi all, i saw lots of APIC_TMICT exits while running a linux guest with assigned NIC. The APIC_TMICT exits is only a little fewer than the number of injected interrupts while handling network traffic on the assigned NIC. The network traffic was generated by running netperf on another machine