x86, mm: trace when an IPI is about to be sent

[mirror_ubuntu-zesty-kernel.git] / arch / x86 / mm / tlb.c

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 90b924acd9822ffdd9409b9fd97325ea7954b97a..8ddb5d0d66fb6f6353e735760489a47a0b98dea7 100644 (file)
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -140,6 +140,7 @@ void native_flush_tlb_others(const struct cpumask *cpumask,
        info.flush_end = end;
 
        count_vm_tlb_event(NR_TLB_REMOTE_FLUSH);
+       trace_tlb_flush(TLB_REMOTE_SEND_IPI, end - start);
        if (is_uv_system()) {
                unsigned int cpu;