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| author | David S. Miller <davem@davemloft.net> | 2009-12-11 01:07:53 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-11 01:07:53 -0800 |
| commit | 121dd5f2776522e03970916514b46e355480e538 (patch) | |
| tree | 0235f760d5e40cb4982b52368e309eac00f8826d /arch/sparc/kernel/unaligned_32.c | |
| parent | c658ad1b4e1520511da8323aa5e60d444cc303ed (diff) | |
sparc: Add alignment and emulation fault perf events.
This mirrors commit 196f02bf900c5eb6f85d889c4f70e7cc11fda7e8
(powerpc: perf_event: Add alignment-faults and emulation-faults software events)
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/unaligned_32.c')
| -rw-r--r-- | arch/sparc/kernel/unaligned_32.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c index 6b1e6cde6fff..f8514e291e15 100644 --- a/arch/sparc/kernel/unaligned_32.c +++ b/arch/sparc/kernel/unaligned_32.c @@ -17,8 +17,7 @@ #include <asm/uaccess.h> #include <linux/smp.h> #include <linux/smp_lock.h> - -/* #define DEBUG_MNA */ +#include <linux/perf_event.h> enum direction { load, /* ld, ldd, ldh, ldsh */ @@ -29,12 +28,6 @@ enum direction { invalid, }; -#ifdef DEBUG_MNA -static char *dirstrings[] = { - "load", "store", "both", "fpload", "fpstore", "invalid" -}; -#endif - static inline enum direction decode_direction(unsigned int insn) { unsigned long tmp = (insn >> 21) & 1; @@ -255,10 +248,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) unsigned long addr = compute_effective_address(regs, insn); int err; -#ifdef DEBUG_MNA - printk("KMNA: pc=%08lx [dir=%s addr=%08lx size=%d] retpc[%08lx]\n", - regs->pc, dirstrings[dir], addr, size, regs->u_regs[UREG_RETPC]); -#endif + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr); switch (dir) { case load: err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f), @@ -350,6 +340,7 @@ asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn) } addr = compute_effective_address(regs, insn); + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr); switch(dir) { case load: err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f), |