X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Flib%2Flttng-ctl%2Flttng-ctl.cpp;h=96ed7b41b8abc5f5afc60a6b20de84950c1445ca;hb=d93bbc2a50cd24ea2837d8710c99b71b5d1a5f11;hp=03ed2aa10a4459891018fe038b7a8cbdbaf50c75;hpb=dd7ef1243236f524e57b25baa038973e793d5d72;p=lttng-tools.git

diff --git a/src/lib/lttng-ctl/lttng-ctl.cpp b/src/lib/lttng-ctl/lttng-ctl.cpp
index 03ed2aa10..96ed7b41b 100644
--- a/src/lib/lttng-ctl/lttng-ctl.cpp
+++ b/src/lib/lttng-ctl/lttng-ctl.cpp
@@ -24,6 +24,7 @@
 #include <common/filter/filter-ast.hpp>
 #include <common/filter/filter-parser.hpp>
 #include <common/filter/memstream.hpp>
+#include <common/make-unique-wrapper.hpp>
 #include <common/payload-view.hpp>
 #include <common/payload.hpp>
 #include <common/sessiond-comm/sessiond-comm.hpp>
@@ -1180,7 +1181,7 @@ int lttng_enable_event_with_exclusions(struct lttng_handle *handle,
 serialize:
 	ret = lttng_event_serialize(ev,
 				    exclusion_count,
-				    const_cast<const char **>(exclusion_list),
+				    exclusion_list,
 				    filter_expression,
 				    bytecode_len,
 				    (ctx && bytecode_len) ? &ctx->bytecode->b : nullptr,
@@ -2877,6 +2878,34 @@ end:
 	return ret;
 }
 
+/*
+ * Get the status of the kernel tracer
+ *
+ * Sets the value of the argument
+ */
+enum lttng_error_code lttng_get_kernel_tracer_status(enum lttng_kernel_tracer_status *out_status)
+{
+	if (out_status == nullptr) {
+		return LTTNG_ERR_INVALID;
+	}
+
+	struct lttcomm_session_msg lsm = {};
+	lsm.cmd_type = LTTCOMM_SESSIOND_COMMAND_KERNEL_TRACER_STATUS;
+
+	uint32_t *raw_tracer_status = nullptr;
+	const auto ask_ret = lttng_ctl_ask_sessiond(&lsm, (void **) &raw_tracer_status);
+
+	const auto tracer_status =
+		lttng::make_unique_wrapper<uint32_t, lttng::free>(raw_tracer_status);
+
+	if (ask_ret != 4) {
+		return LTTNG_ERR_INVALID;
+	}
+
+	*out_status = (enum lttng_kernel_tracer_status) * tracer_status;
+	return LTTNG_OK;
+}
+
 /*
  * Regenerate the metadata for a session.
  * Return 0 on success, a negative error code on error.