sh64: Hook up page fault events for software perf counters.

sh64 can use these as well, so tie them up there as well.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index fcbb6e135cef319ee30c5d27a12fb75b234608e1..3ce40ea34824914f6ad30ad2abb38a0d8ca9d401 100644 (file)
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003  Richard Curnow (/proc/tlb, bug fixes)
- * Copyright (C) 2003  Paul Mundt
+ * Copyright (C) 2003 - 2009 Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -20,6 +20,7 @@
 #include <linux/mman.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
+#include <linux/perf_counter.h>
 #include <linux/interrupt.h>
 #include <asm/system.h>
 #include <asm/io.h>
@@ -115,6 +116,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
        /* Not an IO address, so reenable interrupts */
        local_irq_enable();
 
+       perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+
        /*
         * If we're in an interrupt or have no user
         * context, we must not take the fault..
@@ -195,10 +198,16 @@ survive:
                        goto do_sigbus;
                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);
+       }
 
        /* If we get here, the page fault has been handled.  Do the TLB refill
           now from the newly-setup PTE, to avoid having to fault again right