diff options
Diffstat (limited to 'arch/sh/kernel/traps_64.c')
| -rw-r--r-- | arch/sh/kernel/traps_64.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c index e67e140..6713ca9 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> @@ -50,7 +51,7 @@ asmlinkage void do_##name(unsigned long error_code, struct pt_regs *regs) \ do_unhandled_exception(trapnr, signr, str, __stringify(name), error_code, regs, current); \ } -spinlock_t die_lock; +static DEFINE_SPINLOCK(die_lock); void die(const char * str, struct pt_regs * regs, long err) { @@ -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; |
