diff options
Diffstat (limited to 'arch/mips/kernel/smtc-proc.c')
-rw-r--r-- | arch/mips/kernel/smtc-proc.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/mips/kernel/smtc-proc.c b/arch/mips/kernel/smtc-proc.c deleted file mode 100644 index 38635a996cbf..000000000000 --- a/arch/mips/kernel/smtc-proc.c +++ /dev/null | |||
@@ -1,102 +0,0 @@ | |||
1 | /* | ||
2 | * /proc hooks for SMTC kernel | ||
3 | * Copyright (C) 2005 Mips Technologies, Inc | ||
4 | */ | ||
5 | |||
6 | #include <linux/kernel.h> | ||
7 | #include <linux/sched.h> | ||
8 | #include <linux/cpumask.h> | ||
9 | #include <linux/interrupt.h> | ||
10 | |||
11 | #include <asm/cpu.h> | ||
12 | #include <asm/processor.h> | ||
13 | #include <linux/atomic.h> | ||
14 | #include <asm/hardirq.h> | ||
15 | #include <asm/mmu_context.h> | ||
16 | #include <asm/mipsregs.h> | ||
17 | #include <asm/cacheflush.h> | ||
18 | #include <linux/proc_fs.h> | ||
19 | #include <linux/seq_file.h> | ||
20 | |||
21 | #include <asm/smtc_proc.h> | ||
22 | |||
23 | /* | ||
24 | * /proc diagnostic and statistics hooks | ||
25 | */ | ||
26 | |||
27 | /* | ||
28 | * Statistics gathered | ||
29 | */ | ||
30 | unsigned long selfipis[NR_CPUS]; | ||
31 | |||
32 | struct smtc_cpu_proc smtc_cpu_stats[NR_CPUS]; | ||
33 | |||
34 | atomic_t smtc_fpu_recoveries; | ||
35 | |||
36 | static int smtc_proc_show(struct seq_file *m, void *v) | ||
37 | { | ||
38 | int i; | ||
39 | extern unsigned long ebase; | ||
40 | |||
41 | seq_printf(m, "SMTC Status Word: 0x%08x\n", smtc_status); | ||
42 | seq_printf(m, "Config7: 0x%08x\n", read_c0_config7()); | ||
43 | seq_printf(m, "EBASE: 0x%08lx\n", ebase); | ||
44 | seq_printf(m, "Counter Interrupts taken per CPU (TC)\n"); | ||
45 | for (i=0; i < NR_CPUS; i++) | ||
46 | seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].timerints); | ||
47 | seq_printf(m, "Self-IPIs by CPU:\n"); | ||
48 | for(i = 0; i < NR_CPUS; i++) | ||
49 | seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].selfipis); | ||
50 | seq_printf(m, "%d Recoveries of \"stolen\" FPU\n", | ||
51 | atomic_read(&smtc_fpu_recoveries)); | ||
52 | return 0; | ||
53 | } | ||
54 | |||
55 | static int smtc_proc_open(struct inode *inode, struct file *file) | ||
56 | { | ||
57 | return single_open(file, smtc_proc_show, NULL); | ||
58 | } | ||
59 | |||
60 | static const struct file_operations smtc_proc_fops = { | ||
61 | .open = smtc_proc_open, | ||
62 | .read = seq_read, | ||
63 | .llseek = seq_lseek, | ||
64 | .release = single_release, | ||
65 | }; | ||
66 | |||
67 | void init_smtc_stats(void) | ||
68 | { | ||
69 | int i; | ||
70 | |||
71 | for (i=0; i<NR_CPUS; i++) { | ||
72 | smtc_cpu_stats[i].timerints = 0; | ||
73 | smtc_cpu_stats[i].selfipis = 0; | ||
74 | } | ||
75 | |||
76 | atomic_set(&smtc_fpu_recoveries, 0); | ||
77 | |||
78 | proc_create("smtc", 0444, NULL, &smtc_proc_fops); | ||
79 | } | ||
80 | |||
81 | static int proc_cpuinfo_chain_call(struct notifier_block *nfb, | ||
82 | unsigned long action_unused, void *data) | ||
83 | { | ||
84 | struct proc_cpuinfo_notifier_args *pcn = data; | ||
85 | struct seq_file *m = pcn->m; | ||
86 | unsigned long n = pcn->n; | ||
87 | |||
88 | if (!cpu_has_mipsmt) | ||
89 | return NOTIFY_OK; | ||
90 | |||
91 | seq_printf(m, "VPE\t\t\t: %d\n", cpu_data[n].vpe_id); | ||
92 | seq_printf(m, "TC\t\t\t: %d\n", cpu_data[n].tc_id); | ||
93 | |||
94 | return NOTIFY_OK; | ||
95 | } | ||
96 | |||
97 | static int __init proc_cpuinfo_notifier_init(void) | ||
98 | { | ||
99 | return proc_cpuinfo_notifier(proc_cpuinfo_chain_call, 0); | ||
100 | } | ||
101 | |||
102 | subsys_initcall(proc_cpuinfo_notifier_init); | ||