X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=libkernelctl%2Flibkernelctl.c;h=1f30c77c0bb42e9502d6899557dae183362ddf36;hp=c29d4ae0e4b71b691234d26432d6ea3db37558d6;hb=6e2d116c6138874c0357b1afb1db5aa7cd80ceb6;hpb=ee0326c0c46f4b02e9eab0b2917b62d2c55aa346

diff --git a/libkernelctl/libkernelctl.c b/libkernelctl/libkernelctl.c
index c29d4ae0e..1f30c77c0 100644
--- a/libkernelctl/libkernelctl.c
+++ b/libkernelctl/libkernelctl.c
@@ -1,10 +1,11 @@
 /*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
+ *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * 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.
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,3 +16,153 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
+
+#include <sys/ioctl.h>
+
+#include "kernel-ioctl.h"
+#include "libkernelctl.h"
+
+int kernctl_add_context(int fd, struct lttng_kernel_context *ctx)
+{
+	return ioctl(fd, LTTNG_KERNEL_CONTEXT, ctx);
+}
+
+int kernctl_buffer_flush(int fd)
+{
+	return ioctl(fd, RING_BUFFER_FLUSH);
+}
+
+int kernctl_create_channel(int fd, struct lttng_channel_attr *chops)
+{
+	return ioctl(fd, LTTNG_KERNEL_CHANNEL, chops);
+}
+
+int kernctl_create_event(int fd, struct lttng_kernel_event *ev)
+{
+	return ioctl(fd, LTTNG_KERNEL_EVENT, ev);
+}
+
+int kernctl_create_session(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_SESSION);
+}
+
+int kernctl_create_stream(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_STREAM);
+}
+
+/* Enable event, channel and session ioctl */
+int kernctl_enable(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_ENABLE);
+}
+
+/* Disable event, channel and session ioctl */
+int kernctl_disable(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_DISABLE);
+}
+
+/* returns the maximum size for sub-buffers. */
+int kernctl_get_max_subbuf_size(int fd, unsigned long *len)
+{
+	return ioctl(fd, RING_BUFFER_GET_MAX_SUBBUF_SIZE, len);
+}
+
+/* returns the length to mmap. */
+int kernctl_get_mmap_len(int fd, unsigned long *len)
+{
+	return ioctl(fd, RING_BUFFER_GET_MMAP_LEN, len);
+}
+
+/* returns the offset of the subbuffer belonging to the mmap reader. */
+int kernctl_get_mmap_read_offset(int fd, unsigned long *off)
+{
+	return ioctl(fd, RING_BUFFER_GET_MMAP_READ_OFFSET, off);
+}
+
+/* Get exclusive read access to the next sub-buffer that can be read. */
+int kernctl_get_next_subbuf(int fd)
+{
+	return ioctl(fd, RING_BUFFER_GET_NEXT_SUBBUF);
+}
+
+/* returns the size of the current sub-buffer, without padding (for mmap). */
+int kernctl_get_padded_subbuf_size(int fd, unsigned long *len)
+{
+	return ioctl(fd, RING_BUFFER_GET_PADDED_SUBBUF_SIZE, len);
+}
+
+/* Get exclusive read access to the specified sub-buffer position */
+int kernctl_get_subbuf(int fd, unsigned long *len)
+{
+	return ioctl(fd, RING_BUFFER_GET_SUBBUF, len);
+}
+
+/* returns the size of the current sub-buffer, without padding (for mmap). */
+int kernctl_get_subbuf_size(int fd, unsigned long *len)
+{
+	return ioctl(fd, RING_BUFFER_GET_SUBBUF_SIZE, len);
+}
+
+/* open the metadata global channel */
+int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops)
+{
+	return ioctl(fd, LTTNG_KERNEL_METADATA, chops);
+}
+
+/* Release exclusive sub-buffer access, move consumer forward. */
+int kernctl_put_next_subbuf(int fd)
+{
+	return ioctl(fd, RING_BUFFER_PUT_NEXT_SUBBUF);
+}
+
+/* Release exclusive sub-buffer access */
+int kernctl_put_subbuf(int fd)
+{
+	return ioctl(fd, RING_BUFFER_PUT_SUBBUF);
+}
+
+/* Get a snapshot of the current ring buffer producer and consumer positions */
+int kernctl_snapshot(int fd)
+{
+	return ioctl(fd, RING_BUFFER_SNAPSHOT);
+}
+
+/* Get the consumer position (iteration start) */
+int kernctl_snapshot_get_consumed(int fd, unsigned long *pos)
+{
+	return ioctl(fd, RING_BUFFER_SNAPSHOT_GET_CONSUMED, pos);
+}
+
+/* Get the producer position (iteration end) */
+int kernctl_snapshot_get_produced(int fd, unsigned long *pos)
+{
+	return ioctl(fd, RING_BUFFER_SNAPSHOT_GET_PRODUCED, pos);
+}
+
+int kernctl_start_session(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_SESSION_START);
+}
+
+int kernctl_stop_session(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_SESSION_STOP);
+}
+
+int kernctl_tracepoint_list(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_TRACEPOINT_LIST);
+}
+
+int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v)
+{
+	return ioctl(fd, LTTNG_KERNEL_TRACER_VERSION, v);
+}
+
+int kernctl_wait_quiescent(int fd)
+{
+	return ioctl(fd, LTTNG_KERNEL_WAIT_QUIESCENT);
+}