#include <linux/module.h>
#include <linux/init.h>
#include <linux/kexec.h>
+#include <linux/profile.h>
#include <linux/sched.h>
#define KERNEL_ATTR_RO(_name) \
KERNEL_ATTR_RW(uevent_helper);
#endif
+#ifdef CONFIG_PROFILING
+static ssize_t profiling_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%d\n", prof_on);
+}
+static ssize_t profiling_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ int ret;
+
+ if (prof_on)
+ return -EEXIST;
+ /*
+ * This eventually calls into get_option() which
+ * has a ton of callers and is not const. It is
+ * easiest to cast it away here.
+ */
+ profile_setup((char *)buf);
+ ret = profile_init();
+ if (ret)
+ return ret;
+ ret = create_proc_profile();
+ if (ret)
+ return ret;
+ return count;
+}
+KERNEL_ATTR_RW(profiling);
+#endif
+
#ifdef CONFIG_KEXEC
static ssize_t kexec_loaded_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
&uevent_seqnum_attr.attr,
&uevent_helper_attr.attr,
#endif
+#ifdef CONFIG_PROFILING
+ &profiling_attr.attr,
+#endif
#ifdef CONFIG_KEXEC
&kexec_loaded_attr.attr,
&kexec_crash_loaded_attr.attr,