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sparc: Add missing SW perf fault events.

Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller 15 年之前
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a084b6678a
共有 2 个文件被更改,包括 20 次插入5 次删除
  1. 10 2
      arch/sparc/mm/fault_32.c
  2. 10 3
      arch/sparc/mm/fault_64.c

+ 10 - 2
arch/sparc/mm/fault_32.c

@@ -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;
 

+ 10 - 3
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);