#include "event_buffer.h"
#include "oprofile_stats.h"
#include "oprof.h"
-
+
unsigned long fs_buffer_size = 131072;
unsigned long fs_cpu_buffer_size = 8192;
unsigned long fs_buffer_watershed = 32768; /* FIXME: tune */
.write = depth_write
};
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+
static ssize_t pointer_size_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
{
return oprofilefs_ulong_to_user(sizeof(void *), buf, count, offset);
{
return oprofilefs_str_to_user(oprofile_ops.cpu_type, buf, count, offset);
}
-
-
+
+
static const struct file_operations cpu_type_fops = {
.read = cpu_type_read,
};
-
-
+
+
static ssize_t enable_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
{
return oprofilefs_ulong_to_user(oprofile_started, buf, count, offset);
retval = oprofilefs_ulong_from_user(&val, buf, count);
if (retval)
return retval;
-
+
if (val)
retval = oprofile_start();
else
return count;
}
-
+
static const struct file_operations enable_fops = {
.read = enable_read,
.write = enable_write,
static const struct file_operations dump_fops = {
.write = dump_write,
};
-
+
void oprofile_create_files(struct super_block *sb, struct dentry *root)
{
oprofilefs_create_file(sb, root, "enable", &enable_fops);
oprofilefs_create_ulong(sb, root, "buffer_size", &fs_buffer_size);
oprofilefs_create_ulong(sb, root, "buffer_watershed", &fs_buffer_watershed);
oprofilefs_create_ulong(sb, root, "cpu_buffer_size", &fs_cpu_buffer_size);
- oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops);
+ oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops);
oprofilefs_create_file(sb, root, "backtrace_depth", &depth_fops);
oprofilefs_create_file(sb, root, "pointer_size", &pointer_size_fops);
oprofile_create_stats_files(sb, root);