Add syscall listing support

[lttng-tools.git] / src / bin / lttng-sessiond / kernel.c

diff --git a/src/bin/lttng-sessiond/kernel.c b/src/bin/lttng-sessiond/kernel.c
index 1fae30f0ad7372bdd2f439d10b1044181048f127..2aeef263d6bd38c7238db96b0c99de4d230bdee2 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.c
+++ b/src/bin/lttng-sessiond/kernel.c
@@ -32,6 +32,7 @@
 #include "kernel.h"
 #include "kernel-consumer.h"
 #include "kern-modules.h"
+#include "utils.h"
 
 /*
  * Add context on a kernel channel.
@@ -351,6 +352,18 @@ error:
        return ret;
 }
 
+int kernel_enable_syscall(const char *syscall_name,
+               struct ltt_kernel_channel *channel)
+{
+       return kernctl_enable_syscall(channel->fd, syscall_name);
+}
+
+int kernel_disable_syscall(const char *syscall_name,
+               struct ltt_kernel_channel *channel)
+{
+       return kernctl_disable_syscall(channel->fd, syscall_name);
+}
+
 /*
  * Create kernel metadata, open from the kernel tracer and add it to the
  * kernel session.
@@ -931,3 +944,17 @@ error:
        rcu_read_unlock();
        return ret;
 }
+
+/*
+ * Get the syscall mask array from the kernel tracer.
+ *
+ * Return 0 on success else a negative value. In both case, syscall_mask should
+ * be freed.
+ */
+int kernel_syscall_mask(int chan_fd, char **syscall_mask, uint32_t *nr_bits)
+{
+       assert(syscall_mask);
+       assert(nr_bits);
+
+       return kernctl_syscall_mask(chan_fd, syscall_mask, nr_bits);
+}