From: compudj <compudj@04897980-b3bd-0310-b5e0-8ef037075253>
Date: Tue, 13 May 2008 19:20:42 +0000 (+0000)
Subject: update
X-Git-Tag: v0.12.20~581
X-Git-Url: https://git.lttng.org/?a=commitdiff_plain;h=0526b61f03dbbac0164f9f4e21fd531a1d048119;p=lttv.git

update

git-svn-id: http://ltt.polymtl.ca/svn@2908 04897980-b3bd-0310-b5e0-8ef037075253
---

diff --git a/tests/kernel/Makefile b/tests/kernel/Makefile
index a7a7d5bc..a246c501 100644
--- a/tests/kernel/Makefile
+++ b/tests/kernel/Makefile
@@ -18,6 +18,7 @@ endif
 	obj-m += test-trace-speed.o
 	obj-m += test-rcu-speed.o
 	obj-m += test-fct-speed.o
+	obj-m += test-int3-speed.o
 	obj-m += test-kprobes2.o
 	#obj-m += test-mark-speed.o
 	#obj-m += test-mark-speed-edit.o
diff --git a/tests/kernel/test-int3-speed.c b/tests/kernel/test-int3-speed.c
new file mode 100644
index 00000000..0160670b
--- /dev/null
+++ b/tests/kernel/test-int3-speed.c
@@ -0,0 +1,65 @@
+/* test-mark.c
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/timex.h>
+#include <linux/marker.h>
+#include <asm/ptrace.h>
+
+	//asm volatile ("");
+struct proc_dir_entry *pentry = NULL;
+
+void test(unsigned long arg)
+{
+	asm volatile ("int3;\n\t");
+	//trace_mark(test_marker, "arg1 %lu arg2 %p", arg, current);
+}
+
+static int my_open(struct inode *inode, struct file *file)
+{
+	unsigned int i;
+	cycles_t cycles1, cycles2;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	rdtsc_barrier();
+	cycles1 = get_cycles();
+	rdtsc_barrier();
+	for(i=0; i<20000; i++) {
+		test(i);
+	}
+	rdtsc_barrier();
+	cycles2 = get_cycles();
+	rdtsc_barrier();
+	local_irq_restore(flags);
+	printk("cycles : %llu\n", cycles2-cycles1);
+	return -EPERM;
+}
+
+
+static struct file_operations my_operations = {
+	.open = my_open,
+};
+
+int init_module(void)
+{
+	pentry = create_proc_entry("testmark", 0444, NULL);
+	if (pentry)
+		pentry->proc_fops = &my_operations;
+
+	printk("test addr %p\n", &test);
+	return 0;
+}
+
+void cleanup_module(void)
+{
+	remove_proc_entry("testmark", NULL);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Marker Test");
+