diff options
Diffstat (limited to 'arch/mips/kernel/smtc-proc.c')
| -rw-r--r-- | arch/mips/kernel/smtc-proc.c | 64 | 
1 files changed, 26 insertions, 38 deletions
diff --git a/arch/mips/kernel/smtc-proc.c b/arch/mips/kernel/smtc-proc.c index aee7c8177b5..9fb714450e9 100644 --- a/arch/mips/kernel/smtc-proc.c +++ b/arch/mips/kernel/smtc-proc.c @@ -16,6 +16,7 @@  #include <asm/mipsregs.h>  #include <asm/cacheflush.h>  #include <linux/proc_fs.h> +#include <linux/seq_file.h>  #include <asm/smtc_proc.h> @@ -30,51 +31,39 @@ unsigned long selfipis[NR_CPUS];  struct smtc_cpu_proc smtc_cpu_stats[NR_CPUS]; -static struct proc_dir_entry *smtc_stats; -  atomic_t smtc_fpu_recoveries; -static int proc_read_smtc(char *page, char **start, off_t off, -			  int count, int *eof, void *data) +static int smtc_proc_show(struct seq_file *m, void *v)  { -	int totalen = 0; -	int len;  	int i;  	extern unsigned long ebase; -	len = sprintf(page, "SMTC Status Word: 0x%08x\n", smtc_status); -	totalen += len; -	page += len; -	len = sprintf(page, "Config7: 0x%08x\n", read_c0_config7()); -	totalen += len; -	page += len; -	len = sprintf(page, "EBASE: 0x%08lx\n", ebase); -	totalen += len; -	page += len; -	len = sprintf(page, "Counter Interrupts taken per CPU (TC)\n"); -	totalen += len; -	page += len; -	for (i=0; i < NR_CPUS; i++) { -		len = sprintf(page, "%d: %ld\n", i, smtc_cpu_stats[i].timerints); -		totalen += len; -		page += len; -	} -	len = sprintf(page, "Self-IPIs by CPU:\n"); -	totalen += len; -	page += len; -	for(i = 0; i < NR_CPUS; i++) { -		len = sprintf(page, "%d: %ld\n", i, smtc_cpu_stats[i].selfipis); -		totalen += len; -		page += len; -	} -	len = sprintf(page, "%d Recoveries of \"stolen\" FPU\n", -		      atomic_read(&smtc_fpu_recoveries)); -	totalen += len; -	page += len; +	seq_printf(m, "SMTC Status Word: 0x%08x\n", smtc_status); +	seq_printf(m, "Config7: 0x%08x\n", read_c0_config7()); +	seq_printf(m, "EBASE: 0x%08lx\n", ebase); +	seq_printf(m, "Counter Interrupts taken per CPU (TC)\n"); +	for (i=0; i < NR_CPUS; i++) +		seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].timerints); +	seq_printf(m, "Self-IPIs by CPU:\n"); +	for(i = 0; i < NR_CPUS; i++) +		seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].selfipis); +	seq_printf(m, "%d Recoveries of \"stolen\" FPU\n", +		   atomic_read(&smtc_fpu_recoveries)); +	return 0; +} -	return totalen; +static int smtc_proc_open(struct inode *inode, struct file *file) +{ +	return single_open(file, smtc_proc_show, NULL);  } +static const struct file_operations smtc_proc_fops = { +	.open		= smtc_proc_open, +	.read		= seq_read, +	.llseek		= seq_lseek, +	.release	= seq_release, +}; +  void init_smtc_stats(void)  {  	int i; @@ -86,6 +75,5 @@ void init_smtc_stats(void)  	atomic_set(&smtc_fpu_recoveries, 0); -	smtc_stats = create_proc_read_entry("smtc", 0444, NULL, -					    proc_read_smtc, NULL); +	proc_create("smtc", 0444, NULL, &smtc_proc_fops);  }  |