X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Fevent.c;h=66e134e4641be8690f9fffbbb10086a96d229bdc;hp=3e3ecd32049c07b10e9979d967e1e12034676dbc;hb=8c9ae521a34f2d83c42ced6b00a599518e8473e8;hpb=9928e7b733043d2f44bd2a4b0e041a0553fd427f

diff --git a/ltt-sessiond/event.c b/ltt-sessiond/event.c
index 3e3ecd320..66e134e46 100644
--- a/ltt-sessiond/event.c
+++ b/ltt-sessiond/event.c
@@ -25,6 +25,19 @@
 #include "event.h"
 #include "kernel-ctl.h"
 
+/*
+ * Setup a lttng_event used to enable *all* syscall tracing.
+ */
+static void init_syscalls_kernel_event(struct lttng_event *event)
+{
+	event->name[0] = '\0';
+	/*
+	 * We use LTTNG_EVENT* here since the trace kernel creation will make the
+	 * right changes for the kernel.
+	 */
+	event->type = LTTNG_EVENT_SYSCALL;
+}
+
 /*
  * Disable kernel event for a channel from the kernel session.
  */
@@ -153,3 +166,27 @@ int event_kernel_enable_all(struct ltt_kernel_session *ksession,
 error:
 	return ret;
 }
+
+/*
+ * Enable all kernel syscalls tracing.
+ */
+int event_kernel_enable_syscalls(struct ltt_kernel_session *ksession,
+		struct ltt_kernel_channel *kchan, int kernel_tracer_fd)
+{
+	int ret;
+	struct lttng_event event;
+
+	init_syscalls_kernel_event(&event);
+
+	DBG("Enabling all syscall tracing");
+
+	ret = kernel_create_event(&event, kchan);
+	if (ret < 0) {
+		goto error;
+	}
+
+	ret = LTTCOMM_OK;
+
+error:
+	return ret;
+}