X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=91ea88cb7c593a5c5f8cb010016a4f5f9816b8d4;hp=bf6097b64609097b1cdf60d97400baf72098cc27;hb=ccf10263bcd2ca4667b9e1fc4dab64a3c8d8c4d8;hpb=309fc9bf0c244ed47c4d7c3a47119e596a40eb73

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index bf6097b64..91ea88cb7 100644
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -929,6 +929,90 @@ error:
 	return ret;
 }
 
+/*
+ * Command LTTNG_TRACK_PID processed by the client thread.
+ */
+int cmd_track_pid(struct ltt_session *session, int domain, int pid)
+{
+	int ret;
+
+	rcu_read_lock();
+
+	switch (domain) {
+	case LTTNG_DOMAIN_KERNEL:
+	{
+		struct ltt_kernel_session *ksess;
+
+		ksess = session->kernel_session;
+
+		ret = kernel_track_pid(ksess, pid);
+		if (ret != LTTNG_OK) {
+			goto error;
+		}
+
+		kernel_wait_quiescent(kernel_tracer_fd);
+		break;
+	}
+#if 0
+	case LTTNG_DOMAIN_UST:
+	case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
+	case LTTNG_DOMAIN_UST_EXEC_NAME:
+	case LTTNG_DOMAIN_UST_PID:
+#endif
+	default:
+		ret = LTTNG_ERR_UNKNOWN_DOMAIN;
+		goto error;
+	}
+
+	ret = LTTNG_OK;
+
+error:
+	rcu_read_unlock();
+	return ret;
+}
+
+/*
+ * Command LTTNG_UNTRACK_PID processed by the client thread.
+ */
+int cmd_untrack_pid(struct ltt_session *session, int domain, int pid)
+{
+	int ret;
+
+	rcu_read_lock();
+
+	switch (domain) {
+	case LTTNG_DOMAIN_KERNEL:
+	{
+		struct ltt_kernel_session *ksess;
+
+		ksess = session->kernel_session;
+
+		ret = kernel_untrack_pid(ksess, pid);
+		if (ret != LTTNG_OK) {
+			goto error;
+		}
+
+		kernel_wait_quiescent(kernel_tracer_fd);
+		break;
+	}
+#if 0
+	case LTTNG_DOMAIN_UST:
+	case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
+	case LTTNG_DOMAIN_UST_EXEC_NAME:
+	case LTTNG_DOMAIN_UST_PID:
+#endif
+	default:
+		ret = LTTNG_ERR_UNKNOWN_DOMAIN;
+		goto error;
+	}
+
+	ret = LTTNG_OK;
+
+error:
+	rcu_read_unlock();
+	return ret;
+}
+
 /*
  * Command LTTNG_ENABLE_CHANNEL processed by the client thread.
  *