diff options
author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-09-14 20:26:05 +0200 |
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committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-09-14 20:26:05 +0200 |
commit | ac8d513a6801c8636922ccf4f30211810c9a56ce (patch) | |
tree | 83ba584487a6a612c8fcf2563c28c0263df35ba2 /arch/s390/mm/fault.c | |
parent | bf992fa2bc1ad1bb2aeb0bdfadb43f236b9297fd (diff) | |
parent | 99bc47067910f7070e65ee318a6dd79a2371f1e5 (diff) |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/s390/mm/fault.c')
-rw-r--r-- | arch/s390/mm/fault.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index e5e119fe03b..1abbadd497e 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -10,6 +10,7 @@ * Copyright (C) 1995 Linus Torvalds */ +#include <linux/perf_counter.h> #include <linux/signal.h> #include <linux/sched.h> #include <linux/kernel.h> @@ -305,7 +306,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int write) * interrupts again and then search the VMAs */ local_irq_enable(); - + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); down_read(&mm->mmap_sem); si_code = SEGV_MAPERR; @@ -363,11 +364,15 @@ good_area: } BUG(); } - if (fault & VM_FAULT_MAJOR) + if (fault & VM_FAULT_MAJOR) { tsk->maj_flt++; - else + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, + regs, address); + } else { tsk->min_flt++; - + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, + regs, address); + } up_read(&mm->mmap_sem); /* * The instruction that caused the program check will |