X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Fltt-sessiond.h;h=2b09a06baab9eb6cdc05be21b2bda0d2cfa85b43;hp=97f8658e1ab764a24774e04fe2e527423cf02169;hb=050349bbb362ea993533591532643022efeab864;hpb=ca95a21633510288dbb18a3cd8825195e5cbb4f3 diff --git a/ltt-sessiond/ltt-sessiond.h b/ltt-sessiond/ltt-sessiond.h index 97f8658e1..2b09a06ba 100644 --- a/ltt-sessiond/ltt-sessiond.h +++ b/ltt-sessiond/ltt-sessiond.h @@ -1,87 +1,71 @@ -/* Copyright (C) 2011 - David Goulet +/* + * Copyright (C) 2011 - David Goulet * * 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 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * 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. - * */ #ifndef _LTT_SESSIOND_H #define _LTT_SESSIOND_H -#define DEFAULT_HOME_DIR "/tmp" -#define DEFAULT_UST_SOCK_DIR "/tmp/ust-app-socks" -#define DEFAULT_GLOBAL_APPS_PIPE "/tmp/ust-app-socks/global" +#define DEFAULT_HOME_DIR "/tmp" +#define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks" +#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global" +#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng" -extern const char default_home_dir[], - default_tracing_group[], - default_ust_sock_dir[], - default_global_apps_pipe[]; - -/* LTTng trace representation */ -struct ltt_lttng_trace { - struct cds_list_head list; - char trace_name[NAME_MAX]; - struct cds_list_head marker_list; +struct module_param { + const char *name; + int required; }; -/* UST trace representation */ -struct ltt_ust_trace { - struct cds_list_head list; - int shmid; - char trace_name[NAME_MAX]; - struct cds_list_head markers; +/* LTTng kernel tracer modules list */ +const struct module_param kernel_modules_list[] = { + { "lttng-ftrace", 0 }, + { "lttng-kprobes", 0 }, + { "lttng-kretprobes", 0 }, + { "lib-ring-buffer", 1 }, + { "ltt-relay", 1 }, + { "ltt-ring-buffer-client-discard", 1 }, + { "ltt-ring-buffer-client-overwrite", 1 }, + { "ltt-ring-buffer-metadata-client", 1 }, + { "ltt-ring-buffer-client-mmap-discard", 1 }, + { "ltt-ring-buffer-client-mmap-overwrite", 1 }, + { "ltt-ring-buffer-metadata-mmap-client", 1 }, + { "lttng-probe-lttng", 1 }, + { "lttng-types", 0 }, + { "lttng-probe-block", 0 }, + { "lttng-probe-irq", 0 }, + { "lttng-probe-kvm", 0 }, + { "lttng-probe-sched", 0 }, + { "lttng-probe-syscalls", 0 }, }; -struct ltt_ust_marker { - struct cds_list_head list; - char *name; - char *channel; -}; - -/* Global session list */ -struct ltt_session_list { - struct cds_list_head head; -}; - -/* Traceable application list */ -struct ltt_traceable_app_list { - struct cds_list_head head; -}; - -/* - * Registered traceable applications. Libust registers - * to the session daemon and a linked list is kept - * of all running traceable app. - */ -struct ltt_traceable_app { - struct cds_list_head list; - pid_t pid; - uid_t uid; /* User ID that owns the apps */ -}; +extern const char default_home_dir[], + default_tracing_group[], + default_ust_sock_dir[], + default_global_apps_pipe[]; /* - * ltt-session - This data structure contains information needed - * to identify a tracing session for both LTTng and UST. + * This contains extra data needed for processing a command received by the + * session daemon from the lttng client. */ -struct ltt_session { - char *name; - struct cds_list_head list; - uuid_t uuid; - struct cds_list_head ust_traces; - struct cds_list_head lttng_traces; - pid_t ust_consumer; - pid_t lttng_consumer; +struct command_ctx { + int ust_sock; + unsigned int lttng_msg_size; + struct ltt_session *session; + struct lttcomm_lttng_msg *llm; + struct lttcomm_session_msg *lsm; }; #endif /* _LTT_SESSIOND_H */