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authorDavid Daney <david.daney@cavium.com>2014-12-03 22:12:23 +0300
committerRalf Baechle <ralf@linux-mips.org>2015-04-01 18:21:57 +0300
commit2707cd293cc2386f8eea6fee1ba72e8b190f25cc (patch)
treeeaf18d32c09f61a82a2bf33746a8d93c7567753a /arch/mips/math-emu/me-debugfs.c
parent7d168923a35551ed6572d02a0f159e7d61f62cfc (diff)
downloadlinux-2707cd293cc2386f8eea6fee1ba72e8b190f25cc.tar.xz
MIPS: Add FPU emulator counter for emulated delay slots.
Delay slot emulation in the FPU emulator is the only kernel user of an executable stack, it is also very slow. Add a counter so we can see how many of these emulations are done. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8634/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu/me-debugfs.c')
-rw-r--r--arch/mips/math-emu/me-debugfs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/math-emu/me-debugfs.c b/arch/mips/math-emu/me-debugfs.c
index becdd63e14a9..f308e0f05fc5 100644
--- a/arch/mips/math-emu/me-debugfs.c
+++ b/arch/mips/math-emu/me-debugfs.c
@@ -61,6 +61,7 @@ do { \
FPU_STAT_CREATE(ieee754_overflow);
FPU_STAT_CREATE(ieee754_zerodiv);
FPU_STAT_CREATE(ieee754_invalidop);
+ FPU_STAT_CREATE(ds_emul);
return 0;
}