X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.h;h=884929ac17753a5a90a429c56cd63d6534c1c37a;hp=2bfb2b0484cc0b07a20ecab2f6579959821d5010;hb=8ff4109e3e6089d04c018a10c96c8498f893fdfb;hpb=10a8a2237343699e3923d87e24dbf2d7fe225377 diff --git a/src/common/kernel-ctl/kernel-ctl.h b/src/common/kernel-ctl/kernel-ctl.h index 2bfb2b048..884929ac1 100644 --- 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 * Mathieu Desnoyers * - * 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 #include +#include +#include /* for struct lttng_filter_bytecode */ int kernctl_create_session(int fd); int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops); @@ -35,11 +36,38 @@ 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_add_callsite(int fd, struct lttng_kernel_event_callsite *callsite); + 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); + +int kernctl_session_regenerate_metadata(int fd); +int kernctl_session_regenerate_statedump(int fd); +int kernctl_session_set_name(int fd, const char *name); /* Buffer operations */ @@ -60,11 +88,26 @@ 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_get_metadata_version(int fd, uint64_t *version); +int kernctl_metadata_cache_dump(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 */