[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/samples/tracepoints/tracepoint-sample.c b/ap/os/linux/linux-3.4.x/samples/tracepoints/tracepoint-sample.c
new file mode 100644
index 0000000..f4d89e0
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/samples/tracepoints/tracepoint-sample.c
@@ -0,0 +1,57 @@
+/* tracepoint-sample.c
+ *
+ * Executes a tracepoint when /proc/tracepoint-sample is opened.
+ *
+ * (C) Copyright 2007 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ *
+ * This file is released under the GPLv2.
+ * See the file COPYING for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/proc_fs.h>
+#include "tp-samples-trace.h"
+
+DEFINE_TRACE(subsys_event);
+DEFINE_TRACE(subsys_eventb);
+
+struct proc_dir_entry *pentry_sample;
+
+static int my_open(struct inode *inode, struct file *file)
+{
+ int i;
+
+ trace_subsys_event(inode, file);
+ for (i = 0; i < 10; i++)
+ trace_subsys_eventb();
+ return -EPERM;
+}
+
+static const struct file_operations mark_ops = {
+ .open = my_open,
+ .llseek = noop_llseek,
+};
+
+static int __init sample_init(void)
+{
+ printk(KERN_ALERT "sample init\n");
+ pentry_sample = proc_create("tracepoint-sample", 0444, NULL,
+ &mark_ops);
+ if (!pentry_sample)
+ return -EPERM;
+ return 0;
+}
+
+static void __exit sample_exit(void)
+{
+ printk(KERN_ALERT "sample exit\n");
+ remove_proc_entry("tracepoint-sample", NULL);
+}
+
+module_init(sample_init)
+module_exit(sample_exit)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Tracepoint sample");