Commit a084b667 authored by David S. Miller's avatar David S. Miller

sparc: Add missing SW perf fault events.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e7bef6b0
......@@ -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 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
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;
......
......@@ -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 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
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);
......
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