# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1155023261 -32400
# Node ID 3fa2d558686ff6de72d7fdfea2dc0f5e5350bcac
# Parent  15498beef5d816c171938dff9b1f5bfa7a513c28
add perfcounter for vTLB flush.
PATCHNAME: perfc_for_vtlb_flush

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 15498beef5d8 -r 3fa2d558686f xen/arch/ia64/xen/domain.c
--- a/xen/arch/ia64/xen/domain.c	Tue Aug 08 14:42:34 2006 -0600
+++ b/xen/arch/ia64/xen/domain.c	Tue Aug 08 16:47:41 2006 +0900
@@ -102,6 +102,7 @@ static void flush_vtlb_for_context_switc
 			vhpt_flush();
 		}
 		local_flush_tlb_all();
+		perfc_incrc(flush_vtlb_for_context_switch);
 	}
 }
 
diff -r 15498beef5d8 -r 3fa2d558686f xen/arch/ia64/xen/vhpt.c
--- a/xen/arch/ia64/xen/vhpt.c	Tue Aug 08 14:42:34 2006 -0600
+++ b/xen/arch/ia64/xen/vhpt.c	Tue Aug 08 16:47:41 2006 +0900
@@ -144,6 +144,8 @@ void vcpu_flush_vtlb_all(struct vcpu *v)
 	/* We could clear bit in d->domain_dirty_cpumask only if domain d in
 	   not running on this processor.  There is currently no easy way to
 	   check this.  */
+
+	perfc_incrc(vcpu_flush_vtlb_all);
 }
 
 static void __vcpu_flush_vtlb_all(void *vcpu)
@@ -167,6 +169,7 @@ void domain_flush_vtlb_all (void)
 						 __vcpu_flush_vtlb_all,
 						 v, 1, 1);
 	}
+	perfc_incrc(domain_flush_vtlb_all);
 }
 
 static void cpu_flush_vhpt_range (int cpu, u64 vadr, u64 addr_range)
@@ -189,6 +192,7 @@ void vcpu_flush_tlb_vhpt_range (u64 vadr
 	cpu_flush_vhpt_range (current->processor, vadr, 1UL << log_range);
 	ia64_ptcl(vadr, log_range << 2);
 	ia64_srlz_i();
+	perfc_incrc(vcpu_flush_tlb_vhpt_range);
 }
 
 void domain_flush_vtlb_range (struct domain *d, u64 vadr, u64 addr_range)
@@ -225,6 +229,7 @@ void domain_flush_vtlb_range (struct dom
 
 	/* ptc.ga  */
 	ia64_global_tlb_purge(vadr,vadr+addr_range,PAGE_SHIFT);
+	perfc_incrc(domain_flush_vtlb_range);
 }
 
 static void flush_tlb_vhpt_all (struct domain *d)
diff -r 15498beef5d8 -r 3fa2d558686f xen/include/asm-ia64/perfc_defn.h
--- a/xen/include/asm-ia64/perfc_defn.h	Tue Aug 08 14:42:34 2006 -0600
+++ b/xen/include/asm-ia64/perfc_defn.h	Tue Aug 08 16:47:41 2006 +0900
@@ -40,3 +40,12 @@ PERFCOUNTER_ARRAY(fast_hyperprivop,   "f
 
 PERFCOUNTER_ARRAY(slow_reflect,       "slow reflection", 0x80)
 PERFCOUNTER_ARRAY(fast_reflect,       "fast reflection", 0x80)
+
+// vhpt.c
+PERFCOUNTER_CPU(vcpu_flush_vtlb_all,		"vcpu_flush_vtlb_all")
+PERFCOUNTER_CPU(domain_flush_vtlb_all,		"domain_flush_vtlb_all")
+PERFCOUNTER_CPU(vcpu_flush_tlb_vhpt_range,      "vcpu_flush_tlb_vhpt_range")
+PERFCOUNTER_CPU(domain_flush_vtlb_range,        "domain_flush_vtlb_range")
+
+// domain.c
+PERFCOUNTER_CPU(flush_vtlb_for_context_switch,  "flush_vtlb_for_context_switch")