| From | "Elliott, Robert (Server Storage)" <> | Subject | RE: [patch 22/26] x86: Add proper vector accounting for HyperV | Date | Mon, 22 Sep 2014 21:03:57 +0000 |
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> -----Original Message----- > From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel- > owner@vger.kernel.org] On Behalf Of Thomas Gleixner > Sent: Sunday, 23 February, 2014 3:40 PM > To: LKML > Cc: Ingo Molnar; Peter Zijlstra; x86; Konrad Rzeszutek Wilk; K. Y. Srinivasan > Subject: [patch 22/26] x86: Add proper vector accounting for HyperV > > HyperV abuses a device interrupt to account for the > HYPERVISOR_CALLBACK_VECTOR. > > Provide proper accounting as we have for the other vectors as well. ... > Index: tip/arch/x86/kernel/irq.c > =================================================================== > --- tip.orig/arch/x86/kernel/irq.c > +++ tip/arch/x86/kernel/irq.c > @@ -125,6 +125,12 @@ int arch_show_interrupts(struct seq_file > seq_printf(p, "%10u ", per_cpu(mce_poll_count, j)); > seq_printf(p, " Machine check polls\n"); > #endif > +#if defined(CONFIG_HYPERV) || defined(CONFIG_XEN) > + seq_printf(p, "%*s: ", prec, "THR"); > + for_each_online_cpu(j) > + seq_printf(p, "%10u ", irq_stats(j)->irq_hv_callback_count); > + seq_printf(p, " Hypervisor callback interrupts\n"); > +#endif ...
Should this have used a different short string than "THR", which is already used for "Threshold APIC interrupts"?
--- Rob Elliott HP Server Storage
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