1 files changed, 26 insertions, 0 deletions
diff --git a/tools/xentrace/tbctl.c b/tools/xentrace/tbctl.c
new file mode 100644
index 0000000000..fd9dc3a9c8
--- /dev/null
+++ b/tools/xentrace/tbctl.c
@@ -0,0 +1,26 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <xenctrl.h>
+
+int main(int argc, char * argv[])
+{
+    int enable;
+    int xc_handle = xc_interface_open();
+    
+    if (argc < 2) {
+      printf("usage: %s [0|1]\n", argv[0]);
+      exit(1);
+    }
+    enable = atoi(argv[1]);
+
+    if (xc_tbuf_enable(xc_handle, enable) != 0) {
+        perror("Enable/Disable Hypercall failure");
+        exit(1);
+    }
+    else
+      printf("Tracing now %s\n", (enable ? "enabled" : "disabled"));
+
+    xc_interface_close(xc_handle);
+    return 0;
+}