Add --create-trace option to ustctl

[ust.git] / libustcmd / ustcmd.c

diff --git a/libustcmd/ustcmd.c b/libustcmd/ustcmd.c
index d573a7fe2ef84ae845c698053322808252d2778d..d22fb5236f4b01f707a554c313216f4e84cfeec2 100644 (file)
--- a/libustcmd/ustcmd.c
+++ b/libustcmd/ustcmd.c
@@ -137,6 +137,24 @@ int ustcmd_setup_and_start(pid_t pid)
        return 0;
 }
 
+/**
+ * Creates an UST trace according to a PID.
+ *
+ * @param pid  Traced process ID
+ * @return     0 if successful, or error USTCMD_ERR_GEN
+ */
+int ustcmd_create_trace(pid_t pid)
+{
+       int result;
+
+       result = ustcmd_send_cmd("trace_create", pid, NULL);
+       if (result) {
+               return USTCMD_ERR_GEN;
+       }
+
+       return 0;
+}
+
 /**
  * Starts an UST trace according to a PID.
  *