xen/trace: add tlb flush tracepoints

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 5dfa90a7ad18..c3abba17ab00 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1222,6 +1222,8 @@ static void xen_flush_tlb(void)
         struct mmuext_op *op;
         struct multicall_space mcs;
 
+        trace_xen_mmu_flush_tlb(0);
+
         preempt_disable();
 
         mcs = xen_mc_entry(sizeof(*op));
@@ -1240,6 +1242,8 @@ static void xen_flush_tlb_single(unsigned long addr)
         struct mmuext_op *op;
         struct multicall_space mcs;
 
+        trace_xen_mmu_flush_tlb_single(addr);
+
         preempt_disable();
 
         mcs = xen_mc_entry(sizeof(*op));
@@ -1266,6 +1270,8 @@ static void xen_flush_tlb_others(const struct cpumask *cpus,
         } *args;
         struct multicall_space mcs;
 
+        trace_xen_mmu_flush_tlb_others(cpus, mm, va);
+
         if (cpumask_empty(cpus))
                 return;         /* nothing to do */
 
@@ -1305,6 +1311,8 @@ static void __xen_write_cr3(bool kernel, unsigned long cr3)
         struct multicall_space mcs;
         unsigned long mfn;
 
+        trace_xen_mmu_write_cr3(kernel, cr3);
+
         if (cr3)
                 mfn = pfn_to_mfn(PFN_DOWN(cr3));
         else