Add lttng-kernel header

[lttng-tools.git] / include / lttng-kernel.h

diff --git a/include/lttng-kernel.h b/include/lttng-kernel.h
new file mode 100644 (file)
index 0000000..b8eb456
--- /dev/null
+++ b/include/lttng-kernel.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
+ *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *                      David Goulet <david.goulet@polymtl.ca>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef _LTTNG_KERNEL_H
+#define _LTTNG_KERNEL_H
+
+#include <stdint.h>
+
+typedef uint64_t u64;
+
+/*
+ * LTTng DebugFS ABI structures.
+ */
+enum lttng_instrum_type {
+       INSTRUM_TRACEPOINTS,
+};
+
+struct lttng_channel {
+       int overwrite;         /* 1: overwrite, 0: discard */
+       u64 subbuf_size;
+       u64 num_subbuf;
+       unsigned int switch_timer_interval;
+       unsigned int read_timer_interval;
+};
+
+struct lttng_event {
+       enum lttng_instrum_type itype;
+       char name[];
+};
+
+#endif /* _LTTNG_KERNEL_H */