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xen/trace: add tlb flush tracepoints

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Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge
2010-12-20 13:15:04 -08:00
parent ab78f7ad2c
commit c8eed1719a
2 changed files with 56 additions and 0 deletions
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8
arch/x86/xen/mmu.c
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@ -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