Date: Sun, 31 Mar 2013 03:56:48 +0000 (UTC) From: Neel Natu <neel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r248938 - head/sys/amd64/vmm/io Message-ID: <201303310356.r2V3umuS088637@svn.freebsd.org>
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Author: neel Date: Sun Mar 31 03:56:48 2013 New Revision: 248938 URL: http://svnweb.freebsd.org/changeset/base/248938 Log: Add counter to keep track of the number of timer interrupts generated by the local apic for each virtual cpu. Modified: head/sys/amd64/vmm/io/vlapic.c Modified: head/sys/amd64/vmm/io/vlapic.c ============================================================================== --- head/sys/amd64/vmm/io/vlapic.c Sun Mar 31 02:03:34 2013 (r248937) +++ head/sys/amd64/vmm/io/vlapic.c Sun Mar 31 03:56:48 2013 (r248938) @@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$"); #include <machine/vmm.h> +#include "vmm_stat.h" #include "vmm_lapic.h" #include "vmm_ktr.h" #include "vdev.h" @@ -410,6 +411,8 @@ vlapic_periodic_timer(struct vlapic *vla return (vlapic_get_lvt_field(lvt, APIC_LVTT_TM_PERIODIC)); } +static VMM_STAT(VLAPIC_INTR_TIMER, "timer interrupts generated by vlapic"); + static void vlapic_fire_timer(struct vlapic *vlapic) { @@ -419,6 +422,7 @@ vlapic_fire_timer(struct vlapic *vlapic) lvt = vlapic_get_lvt(vlapic, APIC_OFFSET_TIMER_LVT); if (!vlapic_get_lvt_field(lvt, APIC_LVTT_M)) { + vmm_stat_incr(vlapic->vm, vlapic->vcpuid, VLAPIC_INTR_TIMER, 1); vector = vlapic_get_lvt_field(lvt,APIC_LVTT_VECTOR); vlapic_set_intr_ready(vlapic, vector); }
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