MIPS: add support for software performance events

[net-next-2.6.git] / arch / mips / math-emu / cp1emu.c

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index ec3faa413f3bb2d7dee3fc300d3291ba6cb729eb..b2ad1b0910ffb86d009dac8769310f30af3c3fcc 100644 (file)
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -36,6 +36,7 @@
 #include <linux/sched.h>
 #include <linux/module.h>
 #include <linux/debugfs.h>
+#include <linux/perf_event.h>
 
 #include <asm/inst.h>
 #include <asm/bootinfo.h>
@@ -258,6 +259,8 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
        }
 
       emul:
+       perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS,
+                       1, 0, xcp, 0);
        MIPS_FPU_EMU_INC_STATS(emulated);
        switch (MIPSInst_OPCODE(ir)) {
        case ldc1_op:{