#include <linux/init.h>
#include <linux/oprofile.h>
#include <linux/errno.h>
+#include <linux/slab.h>
#include <linux/sysdev.h>
#include <linux/mutex.h>
static int op_arm_enabled;
static DEFINE_MUTEX(op_arm_mutex);
-struct op_counter_config counter_config[OP_MAX_COUNTER];
+struct op_counter_config *counter_config;
static int op_arm_create_files(struct super_block *sb, struct dentry *root)
{
for (i = 0; i < op_arm_model->num_counters; i++) {
struct dentry *dir;
- char buf[2];
+ char buf[4];
snprintf(buf, sizeof buf, "%d", i);
dir = oprofilefs_mkdir(sb, root, buf);
}
static struct sysdev_class oprofile_sysclass = {
- set_kset_name("oprofile"),
+ .name = "oprofile",
.resume = op_arm_resume,
.suspend = op_arm_suspend,
};
struct op_arm_model_spec *spec = NULL;
int ret = -ENODEV;
+ ops->backtrace = arm_backtrace;
+
#ifdef CONFIG_CPU_XSCALE
spec = &op_xscale_spec;
#endif
+#ifdef CONFIG_OPROFILE_ARMV6
+ spec = &op_armv6_spec;
+#endif
+
+#ifdef CONFIG_OPROFILE_MPCORE
+ spec = &op_mpcore_spec;
+#endif
+
if (spec) {
ret = spec->init();
if (ret < 0)
return ret;
+ counter_config = kcalloc(spec->num_counters, sizeof(struct op_counter_config),
+ GFP_KERNEL);
+ if (!counter_config)
+ return -ENOMEM;
+
op_arm_model = spec;
init_driverfs();
ops->create_files = op_arm_create_files;
ops->start = op_arm_start;
ops->stop = op_arm_stop;
ops->cpu_type = op_arm_model->name;
- ops->backtrace = arm_backtrace;
printk(KERN_INFO "oprofile: using %s\n", spec->name);
}
exit_driverfs();
op_arm_model = NULL;
}
+ kfree(counter_config);
}