# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1156405495 -32400
# Node ID 545440872f603e60a0d457ca250e3b9eceb0bf53
# Parent  1a2695d2a79a6f79826759e759a0a3d7abc13142
add perfcounter for vTLB flush.
PATCHNAME: perfc_for_vtlb_flush

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

diff -r 1a2695d2a79a -r 545440872f60 xen/arch/ia64/xen/domain.c
--- a/xen/arch/ia64/xen/domain.c	Mon Jul 24 21:25:25 2006 +0900
+++ b/xen/arch/ia64/xen/domain.c	Thu Aug 24 16:44:55 2006 +0900
@@ -101,6 +101,7 @@ static void flush_vtlb_for_context_switc
 			vhpt_flush();
 		}
 		local_flush_tlb_all();
+		perfc_incrc(flush_vtlb_for_context_switch);
 	}
 }
 
diff -r 1a2695d2a79a -r 545440872f60 xen/arch/ia64/xen/vhpt.c
--- a/xen/arch/ia64/xen/vhpt.c	Mon Jul 24 21:25:25 2006 +0900
+++ b/xen/arch/ia64/xen/vhpt.c	Thu Aug 24 16:44:55 2006 +0900
@@ -155,6 +155,8 @@ 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)
@@ -178,6 +180,7 @@ 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)
@@ -200,6 +203,7 @@ 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)
@@ -236,6 +240,7 @@ 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 1a2695d2a79a -r 545440872f60 xen/include/asm-ia64/perfc_defn.h
--- a/xen/include/asm-ia64/perfc_defn.h	Mon Jul 24 21:25:25 2006 +0900
+++ b/xen/include/asm-ia64/perfc_defn.h	Thu Aug 24 16:44:55 2006 +0900
@@ -107,3 +107,12 @@ PERFPRIVOPADDR(get_ifa)
 PERFPRIVOPADDR(get_ifa)
 PERFPRIVOPADDR(thash)
 #endif
+
+// 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")