diff options
| author | David S. Miller <davem@davemloft.net> | 2009-12-11 09:07:53 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-11 09:07:53 (GMT) |
| commit | 121dd5f2776522e03970916514b46e355480e538 (patch) | |
| tree | 0235f760d5e40cb4982b52368e309eac00f8826d /arch/sparc/math-emu | |
| parent | c658ad1b4e1520511da8323aa5e60d444cc303ed (diff) | |
| download | linux-121dd5f2776522e03970916514b46e355480e538.tar.xz | |
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/math-emu')
| -rw-r--r-- | arch/sparc/math-emu/math_32.c | 3 | ||||
| -rw-r--r-- | arch/sparc/math-emu/math_64.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/sparc/math-emu/math_32.c b/arch/sparc/math-emu/math_32.c index e13f65d..a3fccde 100644 --- a/arch/sparc/math-emu/math_32.c +++ b/arch/sparc/math-emu/math_32.c @@ -67,6 +67,7 @@ #include <linux/types.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/perf_event.h> #include <asm/uaccess.h> #include "sfp-util_32.h" @@ -163,6 +164,8 @@ int do_mathemu(struct pt_regs *regs, struct task_struct *fpt) int retcode = 0; /* assume all succeed */ unsigned long insn; + perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0); + #ifdef DEBUG_MATHEMU printk("In do_mathemu()... pc is %08lx\n", regs->pc); printk("fpqdepth is %ld\n", fpt->thread.fpqdepth); diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c index 6863c9b..56d2c44 100644 --- a/arch/sparc/math-emu/math_64.c +++ b/arch/sparc/math-emu/math_64.c @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/sched.h> #include <linux/errno.h> +#include <linux/perf_event.h> #include <asm/fpumacro.h> #include <asm/ptrace.h> @@ -183,6 +184,7 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f) if (tstate & TSTATE_PRIV) die_if_kernel("unfinished/unimplemented FPop from kernel", regs); + perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0); if (test_thread_flag(TIF_32BIT)) pc = (u32)pc; if (get_user(insn, (u32 __user *) pc) != -EFAULT) { |