diff options
| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-12-20 13:15:04 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2011-07-18 15:43:27 -0700 |
| commit | c8eed1719afb337472c5ef31ec590d549770b173 (patch) | |
| tree | ead8933db533218a1c8fbd11e0d68c1bac938b11 /arch/x86/xen | |
| parent | ab78f7ad2c78fb1b724b278479adec998933be36 (diff) | |
xen/trace: add tlb flush tracepoints
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/mmu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 5dfa90a7ad1..c3abba17ab0 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 |