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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:48:43 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:48:43 -0700 |
commit | 0f166396e7e8931bb4acfd1a6ea1bd4f0b43f1dd (patch) | |
tree | 6279fa70695a4c56b7e935018a4c0fc1dfa82e68 /arch/mips/math-emu/cp1emu.c | |
parent | 5f60cfd932b42c69ed3226400cb5eab152576c3a (diff) | |
parent | 105b1bca4d7bed85bb296f7e7caec2fc643e9fbf (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (62 commits)
[MIPS] PNX8550: Cleanup proc code.
[MIPS] WRPPMC: Fix build.
[MIPS] Yosemite: Fix modpost warnings.
[MIPS] Change names of local variables to silence sparse
[MIPS] SB1: Fix modpost warning.
[MIPS] PNX: Fix modpost warnings.
[MIPS] Alchemy: Fix modpost warnings.
[MIPS] Non-FPAFF: Fix warning.
[MIPS] DEC: Fix modpost warning.
[MIPS] MIPSsim: Enable MIPSsim virtual network driver.
[MIPS] Delete Ocelot 3 support.
[MIPS] remove LASAT Networks platforms support
[MIPS] Early check for SMTC kernel on non-MT processor
[MIPS] Add debugfs files to show fpuemu statistics
[MIPS] Add some debugfs files to debug unaligned accesses
[MIPS] rbtx4938: Fix secondary PCIC and glue internal NICs
[MIPS] tc35815: Load MAC address via platform_device
[MIPS] Move FPU affinity code into separate file.
[MIPS] Make ioremap() work on TX39/49 special unmapped segment
[MIPS] rbtx4938: Update and minimize defconfig
...
Diffstat (limited to 'arch/mips/math-emu/cp1emu.c')
-rw-r--r-- | arch/mips/math-emu/cp1emu.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 80531b35cd6..d7f05b0abe1 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -35,6 +35,7 @@ * better performance by compiling with -msoft-float! */ #include <linux/sched.h> +#include <linux/debugfs.h> #include <asm/inst.h> #include <asm/bootinfo.h> @@ -1277,3 +1278,36 @@ int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx, return sig; } + +#ifdef CONFIG_DEBUG_FS +extern struct dentry *mips_debugfs_dir; +static int __init debugfs_fpuemu(void) +{ + struct dentry *d, *dir; + int i; + static struct { + const char *name; + unsigned int *v; + } vars[] __initdata = { + { "emulated", &fpuemustats.emulated }, + { "loads", &fpuemustats.loads }, + { "stores", &fpuemustats.stores }, + { "cp1ops", &fpuemustats.cp1ops }, + { "cp1xops", &fpuemustats.cp1xops }, + { "errors", &fpuemustats.errors }, + }; + + if (!mips_debugfs_dir) + return -ENODEV; + dir = debugfs_create_dir("fpuemustats", mips_debugfs_dir); + if (IS_ERR(dir)) + return PTR_ERR(dir); + for (i = 0; i < ARRAY_SIZE(vars); i++) { + d = debugfs_create_u32(vars[i].name, S_IRUGO, dir, vars[i].v); + if (IS_ERR(d)) + return PTR_ERR(d); + } + return 0; +} +__initcall(debugfs_fpuemu); +#endif |