kernctl commands to extract the stream instance id

[lttng-tools.git] / src / common / kernel-ctl / kernel-ctl.h

diff --git a/src/common/kernel-ctl/kernel-ctl.h b/src/common/kernel-ctl/kernel-ctl.h
index 2bfb2b0484cc0b07a20ecab2f6579959821d5010..929488841708206fa3016b44cd13991ea82a304e 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.h
+++ b/src/common/kernel-ctl/kernel-ctl.h
@@ -2,19 +2,18 @@
  * 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; only version 2
- * of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
  *
  * 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.
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _LTTNG_KERNEL_CTL_H
@@ -22,6 +21,8 @@
 
 #include <lttng/lttng.h>
 #include <common/lttng-kernel.h>
+#include <common/lttng-kernel-old.h>
+#include <common/sessiond-comm/sessiond-comm.h>        /* for struct lttng_filter_bytecode */
 
 int kernctl_create_session(int fd);
 int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops);
@@ -35,11 +36,34 @@ int kernctl_disable(int fd);
 int kernctl_start_session(int fd);
 int kernctl_stop_session(int fd);
 
+/* Apply on event FD */
+int kernctl_filter(int fd, struct lttng_filter_bytecode *filter);
+
 int kernctl_tracepoint_list(int fd);
+int kernctl_syscall_list(int fd);
 int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v);
+int kernctl_tracer_abi_version(int fd, struct lttng_kernel_tracer_abi_version *v);
 int kernctl_wait_quiescent(int fd);
 int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
 
+/*
+ * kernctl_syscall_mask - Get syscall mask associated to a channel FD.
+ *
+ * The parameter @syscall_mask should initially be either NULL or point
+ * to memory allocated with malloc(3) or realloc(3). When the function
+ * returns, it will point to a memory area of the size required for the
+ * bitmask (using realloc(3) to resize the memory).
+ *
+ * It returns 0 if OK, -1 on error. In all cases (error and OK),
+ * @syscall_mask should be freed by the caller with free(3).
+ */
+int kernctl_syscall_mask(int fd, char **syscall_mask,
+               uint32_t *nr_bits);
+
+/* Process ID tracking can be applied to session FD */
+int kernctl_track_pid(int fd, int pid);
+int kernctl_untrack_pid(int fd, int pid);
+int kernctl_list_tracker_pids(int fd);
 
 /* Buffer operations */
 
@@ -67,4 +91,15 @@ int kernctl_put_subbuf(int fd);
 
 int kernctl_buffer_flush(int fd);
 
+/* index */
+int kernctl_get_timestamp_begin(int fd, uint64_t *timestamp_begin);
+int kernctl_get_timestamp_end(int fd, uint64_t *timestamp_end);
+int kernctl_get_events_discarded(int fd, uint64_t *events_discarded);
+int kernctl_get_content_size(int fd, uint64_t *content_size);
+int kernctl_get_packet_size(int fd, uint64_t *packet_size);
+int kernctl_get_stream_id(int fd, uint64_t *stream_id);
+int kernctl_get_current_timestamp(int fd, uint64_t *ts);
+int kernctl_get_sequence_number(int fd, uint64_t *seq);
+int kernctl_get_instance_id(int fd, uint64_t *seq);
+
 #endif /* _LTTNG_KERNEL_CTL_H */