Commit-ID: 501b32653ebf49114cccb9afbf9150cf18fd8700 Gitweb: http://git.kernel.org/tip/501b32653ebf49114cccb9afbf9150cf18fd8700 Author: Feng Wu <feng.wu@xxxxxxxxx> AuthorDate: Tue, 19 May 2015 17:07:17 +0800 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Tue, 19 May 2015 15:51:17 +0200 x86/irq: Show statistics information for posted-interrupts Show the statistics information for notification event and wakeup event for posted-interrupt in /proc/interrupts. [ tglx: Named the short identifiers PIN and PIW to match the long identifiers ] Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx> Cc: jiang.liu@xxxxxxxxxxxxxxx Link: http://lkml.kernel.org/r/1432026437-16560-5-git-send-email-feng.wu@xxxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/x86/kernel/irq.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 90b2f705..7e10c8b 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -142,6 +142,18 @@ int arch_show_interrupts(struct seq_file *p, int prec) #if defined(CONFIG_X86_IO_APIC) seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count)); #endif +#ifdef CONFIG_HAVE_KVM + seq_printf(p, "%*s: ", prec, "PIN"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->kvm_posted_intr_ipis); + seq_puts(p, " Posted-interrupt notification event\n"); + + seq_printf(p, "%*s: ", prec, "PIW"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", + irq_stats(j)->kvm_posted_intr_wakeup_ipis); + seq_puts(p, " Posted-interrupt wakeup event\n"); +#endif return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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