sparc: Add missing SW perf fault events.
authorDavid S. Miller <davem@davemloft.net>
Wed, 20 Jan 2010 11:04:14 +0000 (03:04 -0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 21 Jan 2010 00:23:03 +0000 (16:23 -0800)
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/mm/fault_32.c
arch/sparc/mm/fault_64.c

index b99f81c4906f72ae3486c54d3cc1e69d15822383..a3413acb8f127ce4bbd92d6305a83a9e428819fe 100644 (file)
@@ -18,6 +18,7 @@
 #include <linux/signal.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
+#include <linux/perf_event.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/kdebug.h>
@@ -203,6 +204,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
         if (in_atomic() || !mm)
                 goto no_context;
 
+       perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+
        down_read(&mm->mmap_sem);
 
        /*
@@ -249,10 +252,15 @@ 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);
        return;
 
index 6081936bf03b84579ce488b7488b8bc7c6e395ac..b9d4ff02b8fc2229a9f0028e38fb621f5376b7b6 100644 (file)
@@ -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);