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authorChris Wilson <chris@chris-wilson.co.uk>2010-11-15 06:33:11 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-11-15 06:33:11 +0000
commit1bb95834bbcdc969e477a9284cf96c17a4c2616f (patch)
tree9cf66b22a611bb6bc78778c05dac72263bb45a23 /arch/mips/mm/fault.c
parent85345517fe6d4de27b0d6ca19fef9d28ac947c4a (diff)
parenta41c73e04673b47730df682446f0d52f95e32a5b (diff)
Merge remote branch 'airlied/drm-fixes' into drm-intel-fixes
Diffstat (limited to 'arch/mips/mm/fault.c')
-rw-r--r--arch/mips/mm/fault.c11
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;