search for: bh_enable

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2008 Dec 17
4
[Patch 0 of 2]: PV-domain SMP performance
...4.06 user: 0.74 sys: 58.88 2 runs: real: 999.77 user: 1.27 sys: 98.61 4 runs: real: 1251.00 user: 16.58 sys: 291.66 This result was achieved by avoiding descheduling of a vcpu only when irqs are blocked. Even better results might be possible with some fine tuning (e.g. instrumenting bh_enable/bh_disable). I think system time has dropped remarkably! Patch 1 is hypervisor support Patch 2 is my Linux support in irq_enable and irq_disable Juergen -- Juergen Gross Principal Developer IP SW OS6 Telephone: +49 (0) 89 636 47950 Fujitsu Sieme...