X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.hpp;fp=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.hpp;h=4f47488b56b0e131152cf4e2ccb7e03d09b400e9;hp=0000000000000000000000000000000000000000;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c

diff --git a/src/common/kernel-ctl/kernel-ctl.hpp b/src/common/kernel-ctl/kernel-ctl.hpp
new file mode 100644
index 000000000..4f47488b5
--- /dev/null
+++ b/src/common/kernel-ctl/kernel-ctl.hpp
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2011 EfficiOS Inc.
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#ifndef _LTTNG_KERNEL_CTL_H
+#define _LTTNG_KERNEL_CTL_H
+
+#include <stdbool.h>
+
+#include <lttng/lttng.h>
+#include <common/lttng-kernel.hpp>
+#include <common/lttng-kernel-old.hpp>
+#include <common/sessiond-comm/sessiond-comm.hpp>	/* for struct lttng_filter_bytecode */
+
+int kernctl_create_session(int fd);
+int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops);
+int kernctl_create_channel(int fd, struct lttng_channel_attr *chops);
+int kernctl_create_stream(int fd);
+int kernctl_create_event(int fd, struct lttng_kernel_abi_event *ev);
+int kernctl_add_context(int fd, struct lttng_kernel_abi_context *ctx);
+
+int kernctl_enable(int fd);
+int kernctl_disable(int fd);
+int kernctl_start_session(int fd);
+int kernctl_stop_session(int 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_group_error_counter(int fd,
+		const struct lttng_kernel_abi_counter_conf *error_counter_conf);
+int kernctl_create_event_notifier(int fd,
+		const struct lttng_kernel_abi_event_notifier *event_notifier);
+
+int kernctl_counter_get_aggregate_value(int counter_fd,
+		struct lttng_kernel_abi_counter_aggregate *value);
+int kernctl_counter_clear(int counter_fd,
+		struct lttng_kernel_abi_counter_clear *clear);
+
+/* Apply on event file descriptor. */
+int kernctl_filter(int fd, const struct lttng_bytecode *filter);
+int kernctl_add_callsite(int fd, struct lttng_kernel_abi_event_callsite *callsite);
+int kernctl_capture(int fd, const struct lttng_bytecode *capture);
+
+int kernctl_tracepoint_list(int fd);
+int kernctl_syscall_list(int fd);
+int kernctl_tracer_version(int fd, struct lttng_kernel_abi_tracer_version *v);
+int kernctl_tracer_abi_version(int fd, struct lttng_kernel_abi_tracer_abi_version *v);
+int kernctl_wait_quiescent(int 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
+ * 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 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);
+int kernctl_session_set_creation_time(int fd, time_t time);
+
+/* Buffer operations */
+
+/* For mmap mode, readable without "get" operation */
+int kernctl_get_mmap_len(int fd, unsigned long *len);
+int kernctl_get_max_subbuf_size(int fd, unsigned long *len);
+
+/*
+ * For mmap mode, operate on the current packet (between get/put or
+ * get_next/put_next).
+ */
+int kernctl_get_mmap_read_offset(int fd, unsigned long *len);
+int kernctl_get_subbuf_size(int fd, unsigned long *len);
+int kernctl_get_padded_subbuf_size(int fd, unsigned long *len);
+
+int kernctl_get_next_subbuf(int fd);
+int kernctl_put_next_subbuf(int fd);
+
+/* snapshot */
+int kernctl_snapshot(int fd);
+int kernctl_snapshot_sample_positions(int fd);
+int kernctl_snapshot_get_consumed(int fd, unsigned long *pos);
+int kernctl_snapshot_get_produced(int fd, unsigned long *pos);
+int kernctl_get_subbuf(int fd, unsigned long *pos);
+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);
+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 */