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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-03-05 15:46:18 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-03-05 15:46:18 -0500 |
| commit | 3fa04ecd72780da31ba8b329e148179bc24a9c7d (patch) | |
| tree | f5d462fd4aee086952d18f159f737c450ab46b3b /arch/arm/mm/fault.c | |
| parent | 180b62a3d837613fcac3ce89576526423926c3c3 (diff) | |
| parent | 1cda707d52e51a6cafac0aef12d2bd7052d572e6 (diff) | |
Merge branch 'writeback-for-2.6.34' into nfs-for-2.6.34
Diffstat (limited to 'arch/arm/mm/fault.c')
| -rw-r--r-- | arch/arm/mm/fault.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 10e06801afb..9d40c341e07 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -18,6 +18,7 @@ #include <linux/page-flags.h> #include <linux/sched.h> #include <linux/highmem.h> +#include <linux/perf_event.h> #include <asm/system.h> #include <asm/pgtable.h> @@ -302,6 +303,12 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) fault = __do_page_fault(mm, addr, fsr, tsk); up_read(&mm->mmap_sem); + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, addr); + if (fault & VM_FAULT_MAJOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, regs, addr); + else if (fault & VM_FAULT_MINOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, regs, addr); + /* * Handle the "normal" case first - VM_FAULT_MAJOR / VM_FAULT_MINOR */ |