diff --git a/lib/trace-cmd/trace-hooks.c b/lib/trace-cmd/trace-hooks.c
index e92ffc3a53c7..a58b5356df59 100644
--- a/lib/trace-cmd/trace-hooks.c
+++ b/lib/trace-cmd/trace-hooks.c
@@ -133,7 +133,7 @@ struct hook_list *tracecmd_create_event_hook(const char *arg)
 				hook->stack = 1;
 				break;
 			default:
-				tracecmd_warning("unknown flag %c\n", flags[i]);
+				tracecmd_warning("unknown flag %c", flags[i]);
 			}
 		}
 	}
diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
index ae3a9bbd01e1..49c1fab898be 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -1532,7 +1532,7 @@ static void __free_page(struct tracecmd_input *handle, struct page *page)
 	int index;
 
 	if (!page->ref_count) {
-		tracecmd_critical("Page ref count is zero!\n");
+		tracecmd_critical("Page ref count is zero!");
 		return;
 	}
 
@@ -4168,7 +4168,7 @@ struct tracecmd_input *tracecmd_alloc_fd(int fd, int flags)
 	version = read_string(handle);
 	if (!version)
 		goto failed_read;
-	tracecmd_info("version = %s\n", version);
+	tracecmd_info("version = %s", version);
 	ver = strtol(version, NULL, 10);
 	if (!ver && errno)
 		goto failed_read;
@@ -4396,7 +4396,7 @@ void tracecmd_close(struct tracecmd_input *handle)
 		return;
 
 	if (handle->ref <= 0) {
-		tracecmd_warning("tracecmd: bad ref count on handle\n");
+		tracecmd_warning("tracecmd: bad ref count on handle");
 		return;
 	}
 
@@ -5493,7 +5493,7 @@ tracecmd_buffer_instance_handle(struct tracecmd_input *handle, int indx)
 
 		ret = lseek64(handle->fd, buffer->offset, SEEK_SET);
 		if (ret == (off64_t)-1) {
-			tracecmd_warning("could not seek to buffer %s offset %ld\n",
+			tracecmd_warning("could not seek to buffer %s offset %ld",
 					  buffer->name, buffer->offset);
 			goto error;
 		}
@@ -5507,12 +5507,12 @@ tracecmd_buffer_instance_handle(struct tracecmd_input *handle, int indx)
 			ret = read_cpu_data(new_handle);
 
 		if (ret < 0) {
-			tracecmd_warning("failed to read sub buffer %s\n", buffer->name);
+			tracecmd_warning("failed to read sub buffer %s", buffer->name);
 			goto error;
 		}
 		ret = lseek64(handle->fd, offset, SEEK_SET);
 		if (ret < 0) {
-			tracecmd_warning("could not seek to back to offset %ld\n", offset);
+			tracecmd_warning("could not seek to back to offset %ld", offset);
 			goto error;
 		}
 	} else {
diff --git a/lib/trace-cmd/trace-msg.c b/lib/trace-cmd/trace-msg.c
index 4910ed5c3a79..03b853e4368b 100644
--- a/lib/trace-cmd/trace-msg.c
+++ b/lib/trace-cmd/trace-msg.c
@@ -430,7 +430,7 @@ void tracecmd_msg_set_done(struct tracecmd_msg_handle *msg_handle)
 
 static void error_operation(struct tracecmd_msg *msg)
 {
-	tracecmd_warning("Message: cmd=%d size=%d\n", ntohl(msg->hdr.cmd), ntohl(msg->hdr.size));
+	tracecmd_warning("Message: cmd=%d size=%d", ntohl(msg->hdr.cmd), ntohl(msg->hdr.size));
 }
 
 /*
@@ -460,7 +460,7 @@ static int tracecmd_msg_wait_for_msg(int fd, struct tracecmd_msg *msg)
 	ret = tracecmd_msg_recv_wait(fd, msg);
 	if (ret < 0) {
 		if (ret == -ETIMEDOUT)
-			tracecmd_warning("Connection timed out\n");
+			tracecmd_warning("Connection timed out");
 		return ret;
 	}
 
@@ -651,7 +651,7 @@ int tracecmd_msg_initial_setting(struct tracecmd_msg_handle *msg_handle)
 	ret = tracecmd_msg_recv_wait(msg_handle->fd, &msg);
 	if (ret < 0) {
 		if (ret == -ETIMEDOUT)
-			tracecmd_warning("Connection timed out\n");
+			tracecmd_warning("Connection timed out");
 		return ret;
 	}
 
diff --git a/lib/trace-cmd/trace-output.c b/lib/trace-cmd/trace-output.c
index de9198a54cea..35c6314ac88f 100644
--- a/lib/trace-cmd/trace-output.c
+++ b/lib/trace-cmd/trace-output.c
@@ -2277,7 +2277,7 @@ static int update_buffer_cpu_offset_v6(struct tracecmd_output *handle,
 
 	b_offset = get_buffer_file_offset(handle, name);
 	if (!b_offset) {
-		tracecmd_warning("Cannot find description for buffer %s\n", name);
+		tracecmd_warning("Cannot find description for buffer %s", name);
 		return -1;
 	}
 
@@ -2285,7 +2285,7 @@ static int update_buffer_cpu_offset_v6(struct tracecmd_output *handle,
 
 	/* Go to the option data, where will write the offest */
 	if (do_lseek(handle, b_offset, SEEK_SET) == (off64_t)-1) {
-		tracecmd_warning("could not seek to %lld\n", b_offset);
+		tracecmd_warning("could not seek to %lld", b_offset);
 		return -1;
 	}
 
@@ -2294,7 +2294,7 @@ static int update_buffer_cpu_offset_v6(struct tracecmd_output *handle,
 
 	/* Go back to end of file */
 	if (do_lseek(handle, current, SEEK_SET) == (off64_t)-1) {
-		tracecmd_warning("could not seek to %lld\n", offset);
+		tracecmd_warning("could not seek to %lld", offset);
 		return -1;
 	}
 	return 0;
diff --git a/lib/trace-cmd/trace-plugin.c b/lib/trace-cmd/trace-plugin.c
index 50c800c2f9ac..127771ea8091 100644
--- a/lib/trace-cmd/trace-plugin.c
+++ b/lib/trace-cmd/trace-plugin.c
@@ -108,13 +108,13 @@ load_plugin(struct trace_plugin_context *trace, const char *path,
 
 	ret = asprintf(&plugin, "%s/%s", path, file);
 	if (ret < 0) {
-		tracecmd_warning("could not allocate plugin memory\n");
+		tracecmd_warning("could not allocate plugin memory");
 		return;
 	}
 
 	handle = dlopen(plugin, RTLD_NOW | RTLD_GLOBAL);
 	if (!handle) {
-		tracecmd_warning("could not load plugin '%s'\n%s\n", plugin, dlerror());
+		tracecmd_warning("could not load plugin '%s'\n%s", plugin, dlerror());
 		goto out_free;
 	}
 
@@ -124,14 +124,14 @@ load_plugin(struct trace_plugin_context *trace, const char *path,
 
 	func = dlsym(handle, TRACECMD_PLUGIN_LOADER_NAME);
 	if (!func) {
-		tracecmd_warning("could not find func '%s' in plugin '%s'\n%s\n",
+		tracecmd_warning("could not find func '%s' in plugin '%s'\n%s",
 				 TRACECMD_PLUGIN_LOADER_NAME, plugin, dlerror());
 		goto out_free;
 	}
 
 	list = malloc(sizeof(*list));
 	if (!list) {
-		tracecmd_warning("could not allocate plugin memory\n");
+		tracecmd_warning("could not allocate plugin memory");
 		goto out_free;
 	}
 
@@ -256,7 +256,7 @@ load_plugins_hook(struct trace_plugin_context *trace, const char *suffix,
 
 	ret = asprintf(&path, "%s/%s", home, LOCAL_PLUGIN_DIR);
 	if (ret < 0) {
-		tracecmd_warning("could not allocate plugin memory\n");
+		tracecmd_warning("could not allocate plugin memory");
 		return;
 	}
 
diff --git a/lib/trace-cmd/trace-util.c b/lib/trace-cmd/trace-util.c
index 2cf8974ef4ee..91e8a30fb90b 100644
--- a/lib/trace-cmd/trace-util.c
+++ b/lib/trace-cmd/trace-util.c
@@ -30,7 +30,7 @@
 #define PROC_STACK_FILE "/proc/sys/kernel/stack_tracer_enabled"
 
 static bool debug;
-static int log_level = TEP_LOG_CRITICAL;
+static int log_level = TEP_LOG_INFO;
 static FILE *logfp;
 
 const static struct {
