diff options
Diffstat (limited to 'arch/mips/mm/fault.c')
| -rw-r--r-- | arch/mips/mm/fault.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 783ad0065fd..137ee76a004 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -18,6 +18,7 @@ #include <linux/smp.h> #include <linux/module.h> #include <linux/kprobes.h> +#include <linux/perf_event.h> #include <asm/branch.h> #include <asm/mmu_context.h> @@ -144,6 +145,7 @@ good_area: * the fault. */ fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0); + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -151,10 +153,15 @@ good_area: goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) + if (fault & VM_FAULT_MAJOR) { + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, + 1, 0, regs, address); tsk->maj_flt++; - else + } else { + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, + 1, 0, regs, address); tsk->min_flt++; + } up_read(&mm->mmap_sem); return; |