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-rw-r--r--arch/mips/kernel/smtc-proc.c102
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 */
30unsigned long selfipis[NR_CPUS];
31
32struct smtc_cpu_proc smtc_cpu_stats[NR_CPUS];
33
34atomic_t smtc_fpu_recoveries;
35
36static 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
55static int smtc_proc_open(struct inode *inode, struct file *file)
56{
57 return single_open(file, smtc_proc_show, NULL);
58}
59
60static 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
67void 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
81static 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
97static int __init proc_cpuinfo_notifier_init(void)
98{
99 return proc_cpuinfo_notifier(proc_cpuinfo_chain_call, 0);
100}
101
102subsys_initcall(proc_cpuinfo_notifier_init);