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authorPaul Mundt <lethal@linux-sh.org>2010-10-13 06:55:26 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-10-13 06:55:26 +0900
commitace2dc7d12693545b67f15ab8cdb3d255c937713 (patch)
tree18fa828ebe254e0137ec96a9e1cd4e146c6a7119 /arch/sh/kernel/traps_64.c
parent5a30d7bfcd33c03f1f67d3e1c317eb5d6a6bc811 (diff)
sh: wire up perf alignment and emulation faults.
This plugs in the alignment and emulation fault reporting for perf sw events. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/traps_64.c')
-rw-r--r--arch/sh/kernel/traps_64.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
index fda6355654b..6713ca97e55 100644
--- a/arch/sh/kernel/traps_64.c
+++ b/arch/sh/kernel/traps_64.c
@@ -24,6 +24,7 @@
#include <linux/interrupt.h>
#include <linux/sysctl.h>
#include <linux/module.h>
+#include <linux/perf_event.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -433,6 +434,8 @@ static int misaligned_load(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, address);
+
destreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;
@@ -509,6 +512,8 @@ static int misaligned_store(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, address);
+
srcreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;
@@ -583,6 +588,8 @@ static int misaligned_fpu_load(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, address);
+
destreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;
@@ -658,6 +665,8 @@ static int misaligned_fpu_store(struct pt_regs *regs,
return error;
}
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, address);
+
srcreg = (opcode >> 4) & 0x3f;
if (user_mode(regs)) {
__u64 buffer;