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| author | Tejun Heo <tj@kernel.org> | 2010-02-02 14:38:15 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-02-02 14:38:15 +0900 |
| commit | ab386128f20c44c458a90039ab1bdc265ac474c9 (patch) | |
| tree | 2ad188744922b1bb951fd10ff50dc04c83acce22 /arch/sparc/mm/fault_64.c | |
| parent | dbfc196a3cc1a2514ad0737a82f764de23bd65e6 (diff) | |
| parent | ab658321f32770b903a4426e2a6fae0392757755 (diff) | |
| download | kernel-crypto-ab386128f20c44c458a90039ab1bdc265ac474c9.tar.gz kernel-crypto-ab386128f20c44c458a90039ab1bdc265ac474c9.tar.xz kernel-crypto-ab386128f20c44c458a90039ab1bdc265ac474c9.zip | |
Merge branch 'master' into percpu
Diffstat (limited to 'arch/sparc/mm/fault_64.c')
| -rw-r--r-- | arch/sparc/mm/fault_64.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index 6081936bf03..b9d4ff02b8f 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -16,6 +16,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/perf_event.h> #include <linux/interrupt.h> #include <linux/kprobes.h> #include <linux/kdebug.h> @@ -296,6 +297,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) if (in_atomic() || !mm) goto intr_or_no_mm; + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); + if (!down_read_trylock(&mm->mmap_sem)) { if ((regs->tstate & TSTATE_PRIV) && !search_exception_tables(regs->tpc)) { @@ -400,11 +403,15 @@ good_area: goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) + if (fault & VM_FAULT_MAJOR) { current->maj_flt++; - else + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, + regs, address); + } else { current->min_flt++; - + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, + regs, address); + } up_read(&mm->mmap_sem); mm_rss = get_mm_rss(mm); |