kernel: event notifier: kernel-ctl interface

[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 053e7df6314fc1dfd7ba99e8822a5afaf5f5a33e..b73a1d68effbd0eb507be842ead973dec2052616 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.h
+++ b/src/common/kernel-ctl/kernel-ctl.h
@@ -1,24 +1,16 @@
 /*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
+ * Copyright (C) 2011 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, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _LTTNG_KERNEL_CTL_H
 #define _LTTNG_KERNEL_CTL_H
 
+#include <stdbool.h>
+
 #include <lttng/lttng.h>
 #include <common/lttng-kernel.h>
 #include <common/lttng-kernel-old.h>
@@ -36,7 +28,14 @@ int kernctl_disable(int fd);
 int kernctl_start_session(int fd);
 int kernctl_stop_session(int fd);
 
-/* Apply on event FD */
+int kernctl_create_event_notifier_group(int fd);
+
+/* Apply on event notifier_group file descriptor. */
+int kernctl_create_event_notifier_group_notification_fd(int fd);
+int kernctl_create_event_notifier(int fd,
+               const struct lttng_kernel_event_notifier *event_notifier);
+
+/* Apply on event file descriptor. */
 int kernctl_filter(int fd, struct lttng_filter_bytecode *filter);
 int kernctl_add_callsite(int fd, struct lttng_kernel_event_callsite *callsite);
 
@@ -47,7 +46,8 @@ int kernctl_tracer_abi_version(int fd, struct lttng_kernel_tracer_abi_version *v
 int kernctl_wait_quiescent(int fd);
 
 /*
- * kernctl_syscall_mask - Get syscall mask associated to a channel FD.
+ * kernctl_syscall_mask - Get syscall mask associated to a channel file
+ * descriptor.
  *
  * The parameter @syscall_mask should initially be either NULL or point
  * to memory allocated with malloc(3) or realloc(3). When the function
@@ -60,11 +60,15 @@ int kernctl_wait_quiescent(int fd);
 int kernctl_syscall_mask(int fd, char **syscall_mask,
                uint32_t *nr_bits);
 
-/* Process ID tracking can be applied to session FD */
+/* Process ID tracking can be applied to session file descriptor. */
 int kernctl_track_pid(int fd, int pid);
 int kernctl_untrack_pid(int fd, int pid);
 int kernctl_list_tracker_pids(int fd);
 
+int kernctl_track_id(int fd, enum lttng_process_attr process_attr, int id);
+int kernctl_untrack_id(int fd, enum lttng_process_attr process_attr, int id);
+int kernctl_list_tracker_ids(int fd, enum lttng_process_attr process_attr);
+
 int kernctl_session_regenerate_metadata(int fd);
 int kernctl_session_regenerate_statedump(int fd);
 int kernctl_session_set_name(int fd, const char *name);
@@ -97,8 +101,10 @@ int kernctl_put_subbuf(int fd);
 
 int kernctl_buffer_flush(int fd);
 int kernctl_buffer_flush_empty(int fd);
+int kernctl_buffer_clear(int fd);
 int kernctl_get_metadata_version(int fd, uint64_t *version);
 int kernctl_metadata_cache_dump(int fd);
+int kernctl_get_next_subbuf_metadata_check(int fd, bool *consistent);
 
 /* index */
 int kernctl_get_timestamp_begin(int fd, uint64_t *timestamp_begin);