1 #include <linux/cpumask.h>
2 #include <linux/debugfs.h>
4 #include <linux/init.h>
5 #include <linux/percpu.h>
6 #include <linux/types.h>
7 #include <asm/fpu_emulator.h>
10 DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats);
12 static int fpuemu_stat_get(void *data, u64 *val)
15 unsigned long sum = 0;
17 for_each_online_cpu(cpu) {
18 struct mips_fpu_emulator_stats *ps;
21 ps = &per_cpu(fpuemustats, cpu);
22 pv = (void *)ps + (unsigned long)data;
23 sum += local_read(pv);
28 DEFINE_SIMPLE_ATTRIBUTE(fops_fpuemu_stat, fpuemu_stat_get, NULL, "%llu\n");
30 extern struct dentry *mips_debugfs_dir;
31 static int __init debugfs_fpuemu(void)
33 struct dentry *d, *dir;
35 if (!mips_debugfs_dir)
37 dir = debugfs_create_dir("fpuemustats", mips_debugfs_dir);
41 #define FPU_EMU_STAT_OFFSET(m) \
42 offsetof(struct mips_fpu_emulator_stats, m)
44 #define FPU_STAT_CREATE(m) \
46 d = debugfs_create_file(#m , S_IRUGO, dir, \
47 (void *)FPU_EMU_STAT_OFFSET(m), \
53 FPU_STAT_CREATE(emulated);
54 FPU_STAT_CREATE(loads);
55 FPU_STAT_CREATE(stores);
56 FPU_STAT_CREATE(cp1ops);
57 FPU_STAT_CREATE(cp1xops);
58 FPU_STAT_CREATE(errors);
59 FPU_STAT_CREATE(ieee754_inexact);
60 FPU_STAT_CREATE(ieee754_underflow);
61 FPU_STAT_CREATE(ieee754_overflow);
62 FPU_STAT_CREATE(ieee754_zerodiv);
63 FPU_STAT_CREATE(ieee754_invalidop);
67 __initcall(debugfs_fpuemu);