linux-kernel - [PATCH 1/3] MIPS: Add FPU emulator counter for non-FPU instructions emulated.

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Date:	Wed,  3 Dec 2014 15:44:16 -0800
From:	David Daney <ddaney.cavm@...il.com>
To:	linux-mips@...ux-mips.org, ralf@...ux-mips.org
Cc:	Leonid Yegoshin <Leonid.Yegoshin@...tec.com>,
	Zubair.Kakakhel@...tec.com, geert+renesas@...der.be,
	peterz@...radead.org, paul.gortmaker@...driver.com,
	macro@...ux-mips.org, chenhc@...ote.com, cl@...ux.com,
	mingo@...nel.org, richard@....at, zajec5@...il.com,
	james.hogan@...tec.com, keescook@...omium.org, tj@...nel.org,
	alex@...x-smith.me.uk, pbonzini@...hat.com, blogic@...nwrt.org,
	paul.burton@...tec.com, qais.yousef@...tec.com,
	linux-kernel@...r.kernel.org, markos.chandras@...tec.com,
	dengcheng.zhu@...tec.com, manuel.lauss@...il.com,
	lars.persson@...s.com, David Daney <david.daney@...ium.com>
Subject: [PATCH 1/3] MIPS: Add FPU emulator counter for non-FPU instructions emulated.

From: David Daney <david.daney@...ium.com>

Used in follow-on patch, the counter is called "insn_emul".

Signed-off-by: David Daney <david.daney@...ium.com>
---
 arch/mips/include/asm/fpu_emulator.h | 1 +
 arch/mips/math-emu/me-debugfs.c      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h
index 6370c82..bd5b63f 100644
--- a/arch/mips/include/asm/fpu_emulator.h
+++ b/arch/mips/include/asm/fpu_emulator.h
@@ -45,6 +45,7 @@ struct mips_fpu_emulator_stats {
 	unsigned long ieee754_zerodiv;
 	unsigned long ieee754_invalidop;
 	unsigned long ds_emul;
+	unsigned long insn_emul;
 };
 
 DECLARE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats);
diff --git a/arch/mips/math-emu/me-debugfs.c b/arch/mips/math-emu/me-debugfs.c
index f308e0f..93fc155 100644
--- a/arch/mips/math-emu/me-debugfs.c
+++ b/arch/mips/math-emu/me-debugfs.c
@@ -62,6 +62,7 @@ do {									\
 	FPU_STAT_CREATE(ieee754_zerodiv);
 	FPU_STAT_CREATE(ieee754_invalidop);
 	FPU_STAT_CREATE(ds_emul);
+	FPU_STAT_CREATE(insn_emul);
 
 	return 0;
 }
-- 
1.7.11.7

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