X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttngctl%2Fliblttngctl.c;h=bd02a13b2c451fad17d6b0612472bba7b5652023;hb=ee0326c0c46f4b02e9eab0b2917b62d2c55aa346;hp=a586b34f53a61d2ba6dd630204325d1f71a31835;hpb=df0da1392bb6c77fff7fc65be518dce7de457ed7;p=lttng-tools.git

diff --git a/liblttngctl/liblttngctl.c b/liblttngctl/liblttngctl.c
index a586b34f5..bd02a13b2 100644
--- a/liblttngctl/liblttngctl.c
+++ b/liblttngctl/liblttngctl.c
@@ -167,6 +167,36 @@ const char *lttng_get_readable_code(int code)
 	return lttcomm_get_readable_code(code);
 }
 
+/*
+ *  lttng_ust_start_trace
+ *
+ *  Request a trace start for pid.
+ */
+int lttng_ust_start_trace(pid_t pid)
+{
+	int ret;
+
+	lsm.pid = pid;
+	ret = ask_sessiond(UST_START_TRACE, NULL);
+
+	return ret;
+}
+
+/*
+ *  lttng_ust_stop_trace
+ *
+ *  Request a trace stop for pid.
+ */
+int lttng_ust_stop_trace(pid_t pid)
+{
+	int ret;
+
+	lsm.pid = pid;
+	ret = ask_sessiond(UST_STOP_TRACE, NULL);
+
+	return ret;
+}
+
 /*
  *  lttng_ust_create_trace
  *
@@ -203,6 +233,28 @@ int lttng_ust_list_apps(pid_t **pids)
 	return ret / sizeof(pid_t);
 }
 
+/*
+ *  lttng_list_traces
+ *
+ *  Ask the session daemon for all traces (kernel and ust)
+ *  for the session identified by uuid.
+ *
+ *  Return the number of traces.
+ */
+int lttng_list_traces(uuid_t *uuid, struct lttng_trace **traces)
+{
+	int ret;
+
+	uuid_copy(lsm.session_id, *uuid);
+
+	ret = ask_sessiond(LTTNG_LIST_TRACES, (void **) traces);
+	if (ret < 0) {
+		return ret;
+	}
+
+	return ret / sizeof(struct lttng_trace);
+}
+
 /*
  *  lttng_create_session
  *