[lttng-tools.git] / src / common / defaults.h

/*
 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
 *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *               2015 - Jérémie Galarneau <jeremie.galarneau@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.
 *
 * 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 _DEFAULTS_H
#define _DEFAULTS_H

#include <pthread.h>
#include <common/macros.h>

/* Default unix group name for tracing. */
#define DEFAULT_TRACING_GROUP                   "tracing"

/*
 * This value is defined in the CTF specification (see
 * git://git.efficios.com/ctf.git in the file
 * common-trace-format-specification.txt.
 */
#define DEFAULT_METADATA_NAME                   "metadata"

/* Environment variable to set session daemon binary path. */
#define DEFAULT_SESSIOND_PATH_ENV               "LTTNG_SESSIOND_PATH"

/* Environment variable to set man pager binary path. */
#define DEFAULT_MAN_BIN_PATH_ENV                "LTTNG_MAN_BIN_PATH"

/* Default man pager binary path. */
#define DEFAULT_MAN_BIN_PATH                    "/usr/bin/man"

/* Default trace output directory name */
#define DEFAULT_TRACE_DIR_NAME                  "lttng-traces"

/* Default size of a hash table */
#define DEFAULT_HT_SIZE                         4

/* Default session daemon paths */
#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"

/* Default directory where the trace are written in per domain */
#define DEFAULT_KERNEL_TRACE_DIR                "/kernel"
#define DEFAULT_UST_TRACE_DIR                   "/ust"

/* Subpath for per PID or UID sessions. */
#define DEFAULT_UST_TRACE_PID_PATH               "/pid"
#define DEFAULT_UST_TRACE_UID_PATH               "/uid/%d/%u-bit"

/*
 * Default session name for the lttng command line. This default value will
 * get the date and time appended (%Y%m%d-%H%M%S) to it.
 */
#define DEFAULT_SESSION_NAME                    "auto"

/* Default consumer paths */
#define DEFAULT_CONSUMERD_RUNDIR                "%s"

/* Kernel consumer path */
#define DEFAULT_KCONSUMERD_PATH                 DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
#define DEFAULT_KCONSUMERD_CMD_SOCK_PATH        DEFAULT_KCONSUMERD_PATH "/command"
#define DEFAULT_KCONSUMERD_ERR_SOCK_PATH        DEFAULT_KCONSUMERD_PATH "/error"

/* UST 64-bit consumer path */
#define DEFAULT_USTCONSUMERD64_PATH             DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
#define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH    DEFAULT_USTCONSUMERD64_PATH "/command"
#define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH    DEFAULT_USTCONSUMERD64_PATH "/error"

/* UST 32-bit consumer path */
#define DEFAULT_USTCONSUMERD32_PATH             DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
#define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH    DEFAULT_USTCONSUMERD32_PATH "/command"
#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH    DEFAULT_USTCONSUMERD32_PATH "/error"

/* Relayd path */
#define DEFAULT_RELAYD_RUNDIR			"%s"
#define DEFAULT_RELAYD_PATH			DEFAULT_RELAYD_RUNDIR "/relayd"

#define DEFAULT_RELAYD_MIN_FD_POOL_SIZE		100
/*
 * The file descriptor pool size needs a reserve buffer to accomodate the
 * indirect use of short-lived file descriptors. For instance, glibc will
 * create a socket (and thus, use an fd) during calls to gethostname() or
 * when querying the user's group. Other calls also probably make use of
 * short-lived FDs.
 *
 * The theoritical maximal reserve corresponds to the number of threads as,
 * in the worst case, they could all be making such calls.
 *
 * This value must be less than DEFAULT_RELAYD_MIN_FD_POOL_SIZE.
 */
#define DEFAULT_RELAYD_FD_POOL_SIZE_RESERVE	10

/* Default lttng run directory */
#define DEFAULT_LTTNG_HOME_ENV_VAR              "LTTNG_HOME"
#define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR	"HOME"
#define DEFAULT_LTTNG_RUNDIR                    CONFIG_LTTNG_SYSTEM_RUNDIR
#define DEFAULT_LTTNG_HOME_RUNDIR               "%s/.lttng"
#define DEFAULT_LTTNG_SESSIOND_PIDFILE          "lttng-sessiond.pid"
#define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE   "agent.port"
#define DEFAULT_LTTNG_SESSIOND_LOCKFILE         "lttng-sessiond.lck"

/* Default probes list */
#define DEFAULT_LTTNG_KMOD_PROBES		"LTTNG_KMOD_PROBES"

/* Default extra probes list */
#define DEFAULT_LTTNG_EXTRA_KMOD_PROBES		"LTTNG_EXTRA_KMOD_PROBES"

/* Default unix socket path */
#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK         DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
#define DEFAULT_HOME_CLIENT_UNIX_SOCK           DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
#define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK         DEFAULT_LTTNG_RUNDIR "/sessiond-health"
#define DEFAULT_HOME_HEALTH_UNIX_SOCK		DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health"

/* Default consumer health unix socket path */
#define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK	DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
#define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK	DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
#define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK	DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
#define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK	DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
#define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK	DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
#define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK		DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"

/* Default relay health unix socket path */
#define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK		DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
#define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK		DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"

/* Default daemon configuration file path */
#define DEFAULT_SYSTEM_CONFIGPATH               CONFIG_LTTNG_SYSTEM_CONFIGDIR \
	"/lttng"

#define DEFAULT_DAEMON_CONFIG_FILE              "lttng.conf"
#define DEFAULT_DAEMON_HOME_CONFIGPATH          DEFAULT_LTTNG_HOME_RUNDIR "/" \
	DEFAULT_DAEMON_CONFIG_FILE
#define DEFAULT_DAEMON_SYSTEM_CONFIGPATH        DEFAULT_SYSTEM_CONFIGPATH "/" \
	DEFAULT_DAEMON_CONFIG_FILE

/* Default session configuration file path */
#define DEFAULT_SESSION_PATH                    "sessions"
/* Auto load session in that directory. */
#define DEFAULT_SESSION_CONFIG_AUTOLOAD         "auto"
#define DEFAULT_SESSION_HOME_CONFIGPATH         DEFAULT_LTTNG_HOME_RUNDIR "/" \
	DEFAULT_SESSION_PATH
#define DEFAULT_SESSION_SYSTEM_CONFIGPATH       DEFAULT_SYSTEM_CONFIGPATH "/" \
	DEFAULT_SESSION_PATH
#define DEFAULT_SESSION_CONFIG_FILE_EXTENSION   ".lttng"
#define DEFAULT_SESSION_CONFIG_XSD_FILENAME     "session.xsd"
#define DEFAULT_SESSION_CONFIG_XSD_PATH         CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/"
#define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV     "LTTNG_SESSION_CONFIG_XSD_PATH"

#define DEFAULT_GLOBAL_APPS_UNIX_SOCK \
	DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
#define DEFAULT_HOME_APPS_UNIX_SOCK \
	DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
	"/" LTTNG_UST_WAIT_FILENAME
#define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
	DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"

/*
 * Value taken from the hard limit allowed by the kernel when using setrlimit
 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
 */
#define DEFAULT_POLL_SIZE 65535

/*
 * Format is %s_%d respectively channel name and CPU number. Eigth bytes
 * are added here to add space for the CPU number. I guess 2^8 CPUs is more
 * than enough. We might end up with quantum computing in a cell phone when
 * reaching this limit.
 */
#define DEFAULT_STREAM_NAME_LEN        LTTNG_SYMBOL_NAME_LEN + 8

/* Default channel attributes */
#define DEFAULT_CHANNEL_NAME            "channel0"
/* Default JUL domain channel name. */
#define DEFAULT_JUL_CHANNEL_NAME        "lttng_jul_channel"
/* Default JUL tracepoint name. This is a wildcard for the JUL domain. */
#define DEFAULT_JUL_EVENT_COMPONENT     "lttng_jul"
#define DEFAULT_JUL_EVENT_NAME          DEFAULT_JUL_EVENT_COMPONENT ":*"

/* Default log4j domain channel name. */
#define DEFAULT_LOG4J_CHANNEL_NAME        "lttng_log4j_channel"
/* Default log4j tracepoint name. This is a wildcard for the log4j domain. */
#define DEFAULT_LOG4J_EVENT_COMPONENT     "lttng_log4j"
#define DEFAULT_LOG4J_EVENT_NAME          DEFAULT_LOG4J_EVENT_COMPONENT ":*"

/* Default Python domain channel name. */
#define DEFAULT_PYTHON_CHANNEL_NAME       "lttng_python_channel"
/* Default Python tracepoint name. This is a wildcard for the python domain. */
#define DEFAULT_PYTHON_EVENT_COMPONENT    "lttng_python"
#define DEFAULT_PYTHON_EVENT_NAME         DEFAULT_PYTHON_EVENT_COMPONENT ":*"

#define DEFAULT_CHANNEL_OVERWRITE       -1
#define DEFAULT_CHANNEL_TRACEFILE_SIZE  CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
#define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT

#define _DEFAULT_CHANNEL_SUBBUF_SIZE   CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
#define _DEFAULT_CHANNEL_OUTPUT			LTTNG_EVENT_MMAP

/* Metadata channel defaults. */
#define DEFAULT_METADATA_SUBBUF_SIZE    CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
#define DEFAULT_METADATA_SUBBUF_NUM     CONFIG_DEFAULT_METADATA_SUBBUF_NUM
#define DEFAULT_METADATA_CACHE_SIZE     CONFIG_DEFAULT_METADATA_CACHE_SIZE
#define DEFAULT_METADATA_SWITCH_TIMER	0
#define DEFAULT_METADATA_READ_TIMER	0
#define DEFAULT_METADATA_OVERWRITE 	0
#define DEFAULT_METADATA_OUTPUT		LTTNG_EVENT_MMAP

/* Kernel has different defaults */

/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE	CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
/*
 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
 * Update help manually if override.
 */
#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM	CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
/* See lttng-kernel.h enum lttng_kernel_output for channel output */
#define DEFAULT_KERNEL_CHANNEL_OUTPUT			LTTNG_EVENT_SPLICE
#define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER	CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
#define DEFAULT_KERNEL_CHANNEL_READ_TIMER	CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
#define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER	CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER

/* User space defaults */

/* Must be a power of 2 */
#define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE	CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
#define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE	CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
/* Must be a power of 2. Update help manuall if override. */
#define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM	CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
#define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM	CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
/* See lttng-ust.h enum lttng_ust_output */
#define DEFAULT_UST_PID_CHANNEL_OUTPUT			_DEFAULT_CHANNEL_OUTPUT
#define DEFAULT_UST_UID_CHANNEL_OUTPUT			_DEFAULT_CHANNEL_OUTPUT
/* Timers in usec. */
#define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER	CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
#define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER	CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
#define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER	CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
#define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER	CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER

#define DEFAULT_UST_PID_CHANNEL_READ_TIMER      CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
#define DEFAULT_UST_UID_CHANNEL_READ_TIMER      CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER

/*
 * Default timeout value for the sem_timedwait() call. Blocking forever is not
 * wanted so a timeout is used to control the data flow and not freeze the
 * session daemon.
 */
#define DEFAULT_SEM_WAIT_TIMEOUT            30    /* in seconds */

/* Default bind addresses for network services. */
#define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS    CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
#define DEFAULT_NETWORK_DATA_BIND_ADDRESS      	CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
#define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS     CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
#define DEFAULT_AGENT_BIND_ADDRESS              CONFIG_DEFAULT_AGENT_BIND_ADDRESS

/* Default network ports for trace streaming support. */
#define DEFAULT_NETWORK_CONTROL_PORT        CONFIG_DEFAULT_NETWORK_CONTROL_PORT
#define DEFAULT_NETWORK_DATA_PORT           CONFIG_DEFAULT_NETWORK_DATA_PORT
#define DEFAULT_NETWORK_VIEWER_PORT         CONFIG_DEFAULT_NETWORK_VIEWER_PORT

/* Agent registration TCP port. */
#define DEFAULT_AGENT_TCP_PORT              CONFIG_DEFAULT_AGENT_TCP_PORT

/*
 * If a thread stalls for this amount of time, it will be considered bogus (bad
 * health).
 */
#define DEFAULT_HEALTH_CHECK_DELTA_S        20
#define DEFAULT_HEALTH_CHECK_DELTA_NS       0

/*
 * Wait period before retrying the lttng_data_pending command in the lttng
 * stop command of liblttng-ctl.
 */
#define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000  /* usec */

/*
 * Wait period before retrying the lttng_consumer_flushed_cache when
 * the consumer receives metadata.
 */
#define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000  /* usec */

/*
 * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
 * 180 and 60 seconds on most Linux system and the default value since kernel
 * 2.2 thus using the highest value. See tcp(7) for more details.
 */
#define DEFAULT_INET_TCP_TIMEOUT			180	/* sec */

/* Maximum payload size for a control connection */

#define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE 134217728

/*
 * Default receiving and sending timeout for an application socket.
 */
#define DEFAULT_APP_SOCKET_RW_TIMEOUT       CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
#define DEFAULT_APP_SOCKET_TIMEOUT_ENV      "LTTNG_APP_SOCKET_TIMEOUT"

#define DEFAULT_UST_STREAM_FD_NUM			2 /* Number of fd per UST stream. */

#define DEFAULT_SNAPSHOT_NAME				"snapshot"
#define DEFAULT_SNAPSHOT_MAX_SIZE			0 /* Unlimited. */

/* Suffix of an index file. */
#define DEFAULT_INDEX_FILE_SUFFIX			".idx"
#define DEFAULT_INDEX_DIR					"index"

/* Default lttng command live timer value in usec. */
#define DEFAULT_LTTNG_LIVE_TIMER			CONFIG_DEFAULT_LTTNG_LIVE_TIMER

/* Default runas worker name */
#define DEFAULT_RUN_AS_WORKER_NAME			"lttng-runas"

/* Default LTTng MI XML namespace. */
#define DEFAULT_LTTNG_MI_NAMESPACE		"https://lttng.org/xml/ns/lttng-mi"

/* Default thread stack size; the default mandated by pthread_create(3) */
#define DEFAULT_LTTNG_THREAD_STACK_SIZE		2097152

#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE"
#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME"
#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT"
#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL"
#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD"

#define DEFAULT_LTTNG_RELAYD_WORKING_DIRECTORY_ENV "LTTNG_RELAYD_WORKING_DIRECTORY"

/*
 * Returns the default subbuf size.
 *
 * This function depends on a value that is set at constructor time, so it is
 * unsafe to call it from another constructor.
 */
LTTNG_HIDDEN
size_t default_get_channel_subbuf_size(void);

/*
 * Returns the default metadata subbuf size.
 *
 * This function depends on a value that is set at constructor time, so it is
 * unsafe to call it from another constructor.
 */
LTTNG_HIDDEN
size_t default_get_metadata_subbuf_size(void);

/*
 * Returns the default subbuf size for the kernel domain.
 *
 * This function depends on a value that is set at constructor time, so it is
 * unsafe to call it from another constructor.
 */
LTTNG_HIDDEN
size_t default_get_kernel_channel_subbuf_size(void);

/*
 * Returns the default subbuf size for the UST domain per PID.
 *
 * This function depends on a value that is set at constructor time, so it is
 * unsafe to call it from another constructor.
 */
LTTNG_HIDDEN
size_t default_get_ust_pid_channel_subbuf_size(void);

/*
 * Returns the default subbuf size for the UST domain per UID.
 *
 * This function depends on a value that is set at constructor time, so it is
 * unsafe to call it from another constructor.
 */
LTTNG_HIDDEN
size_t default_get_ust_uid_channel_subbuf_size(void);

/*
 * Get the default pthread_attr to use on thread creation.
 *
 * Some libc, such as musl, don't honor the limit set for the stack size and use
 * their own empirically chosen static value. This function checks if the
 * current stack size is smaller than the stack size limit and if so returns a
 * pthread_attr_t pointer where the thread stack size is set to the soft stack
 * size limit.
 */
LTTNG_HIDDEN
pthread_attr_t *default_pthread_attr(void);

#endif /* _DEFAULTS_H */
Commit	Line	Data
9bda164d	1	/*
e848fc76 DG	2	* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
e848fc76 DG	3	* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
78d8fb4f	4	* 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
9bda164d	5	*
d14d33bf AM	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License, version 2 only,
	8	* as published by the Free Software Foundation.
9bda164d	9	*
e848fc76 DG	10	* This program is distributed in the hope that it will be useful, but WITHOUT
e848fc76 DG	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
d14d33bf	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
e848fc76	13	* more details.
9bda164d	14	*
d14d33bf AM	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, write to the Free Software Foundation, Inc.,
	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
9bda164d DG	18	*/
9bda164d DG	19
990570ed DG	20	#ifndef _DEFAULTS_H
990570ed DG	21	#define _DEFAULTS_H
e848fc76	22
757eebfd	23	#include <pthread.h>
d893a65a	24	#include <common/macros.h>
78d8fb4f	25
bbccc3d2 DG	26	/* Default unix group name for tracing. */
	27	#define DEFAULT_TRACING_GROUP "tracing"
	28
30079b6b DG	29	/*
	30	* This value is defined in the CTF specification (see
	31	* git://git.efficios.com/ctf.git in the file
	32	* common-trace-format-specification.txt.
	33	*/
	34	#define DEFAULT_METADATA_NAME "metadata"
	35
bbccc3d2 DG	36	/* Environment variable to set session daemon binary path. */
	37	#define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
	38
4ba92f18 PP	39	/* Environment variable to set man pager binary path. */
	40	#define DEFAULT_MAN_BIN_PATH_ENV "LTTNG_MAN_BIN_PATH"
	41
	42	/* Default man pager binary path. */
	43	#define DEFAULT_MAN_BIN_PATH "/usr/bin/man"
	44
bbccc3d2 DG	45	/* Default trace output directory name */
	46	#define DEFAULT_TRACE_DIR_NAME "lttng-traces"
	47
f6a9efaa	48	/* Default size of a hash table */
60922cb0 DG	49	#define DEFAULT_HT_SIZE 4
	50
	51	/* Default session daemon paths */
	52	#define DEFAULT_HOME_DIR "/tmp"
	53	#define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
	54	#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
	55	#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
	56
00e2e675 DG	57	/* Default directory where the trace are written in per domain */
	58	#define DEFAULT_KERNEL_TRACE_DIR "/kernel"
	59	#define DEFAULT_UST_TRACE_DIR "/ust"
	60
7972aab2 DG	61	/* Subpath for per PID or UID sessions. */
	62	#define DEFAULT_UST_TRACE_PID_PATH "/pid"
	63	#define DEFAULT_UST_TRACE_UID_PATH "/uid/%d/%u-bit"
	64
a4b92340 DG	65	/*
	66	* Default session name for the lttng command line. This default value will
	67	* get the date and time appended (%Y%m%d-%H%M%S) to it.
	68	*/
07424f16	69	#define DEFAULT_SESSION_NAME "auto"
a4b92340	70
60922cb0 DG	71	/* Default consumer paths */
	72	#define DEFAULT_CONSUMERD_RUNDIR "%s"
	73
	74	/* Kernel consumer path */
	75	#define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
	76	#define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
	77	#define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
	78
	79	/* UST 64-bit consumer path */
	80	#define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
	81	#define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
	82	#define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
	83
	84	/* UST 32-bit consumer path */
	85	#define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
	86	#define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
	87	#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
	88
65931c8b MD	89	/* Relayd path */
	90	#define DEFAULT_RELAYD_RUNDIR "%s"
	91	#define DEFAULT_RELAYD_PATH DEFAULT_RELAYD_RUNDIR "/relayd"
	92
47bd3dfa JG	93	#define DEFAULT_RELAYD_MIN_FD_POOL_SIZE 100
	94	/*
	95	* The file descriptor pool size needs a reserve buffer to accomodate the
	96	* indirect use of short-lived file descriptors. For instance, glibc will
	97	* create a socket (and thus, use an fd) during calls to gethostname() or
	98	* when querying the user's group. Other calls also probably make use of
	99	* short-lived FDs.
	100	*
	101	* The theoritical maximal reserve corresponds to the number of threads as,
	102	* in the worst case, they could all be making such calls.
	103	*
	104	* This value must be less than DEFAULT_RELAYD_MIN_FD_POOL_SIZE.
	105	*/
	106	#define DEFAULT_RELAYD_FD_POOL_SIZE_RESERVE 10
a2cc5ee8	107
990570ed	108	/* Default lttng run directory */
feb0f3e5 AM	109	#define DEFAULT_LTTNG_HOME_ENV_VAR "LTTNG_HOME"
feb0f3e5 AM	110	#define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR "HOME"
d386c872	111	#define DEFAULT_LTTNG_RUNDIR CONFIG_LTTNG_SYSTEM_RUNDIR
60922cb0	112	#define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
35f90c40	113	#define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid"
1b2ef7fe	114	#define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE "agent.port"
c9cb3e7d	115	#define DEFAULT_LTTNG_SESSIOND_LOCKFILE "lttng-sessiond.lck"
990570ed	116
fbb9748b JG	117	/* Default probes list */
	118	#define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES"
	119
c9d42407 PP	120	/* Default extra probes list */
	121	#define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES"
	122
990570ed	123	/* Default unix socket path */
60922cb0	124	#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
60922cb0	125	#define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
6c71277b MD	126	#define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-health"
6c71277b MD	127	#define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health"
990570ed	128
5c635c72	129	/* Default consumer health unix socket path */
6c71277b MD	130	#define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
	131	#define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
	132	#define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
	133	#define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
	134	#define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
	135	#define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"
5c635c72	136
65931c8b MD	137	/* Default relay health unix socket path */
	138	#define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
	139	#define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"
	140
1501a7f3	141	/* Default daemon configuration file path */
fb198a11 JG	142	#define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \
	143	"/lttng"
	144
1501a7f3 JG	145	#define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf"
	146	#define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
	147	DEFAULT_DAEMON_CONFIG_FILE
fb198a11 JG	148	#define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
	149	DEFAULT_DAEMON_CONFIG_FILE
	150
	151	/* Default session configuration file path */
	152	#define DEFAULT_SESSION_PATH "sessions"
ab38c13f DG	153	/* Auto load session in that directory. */
ab38c13f DG	154	#define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto"
fb198a11 JG	155	#define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
	156	DEFAULT_SESSION_PATH
	157	#define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
	158	DEFAULT_SESSION_PATH
	159	#define DEFAULT_SESSION_CONFIG_FILE_EXTENSION ".lttng"
54e399cb JG	160	#define DEFAULT_SESSION_CONFIG_XSD_FILENAME "session.xsd"
	161	#define DEFAULT_SESSION_CONFIG_XSD_PATH CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/"
	162	#define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV "LTTNG_SESSION_CONFIG_XSD_PATH"
1501a7f3	163
d0b96690 DG	164	#define DEFAULT_GLOBAL_APPS_UNIX_SOCK \
	165	DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
	166	#define DEFAULT_HOME_APPS_UNIX_SOCK \
	167	DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
	168	#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
	169	"/" LTTNG_UST_WAIT_FILENAME
	170	#define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
	171	DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"
	172
990570ed DG	173	/*
	174	* Value taken from the hard limit allowed by the kernel when using setrlimit
	175	* with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
	176	*/
	177	#define DEFAULT_POLL_SIZE 65535
	178
ce2a9e76 DG	179	/*
	180	* Format is %s_%d respectively channel name and CPU number. Eigth bytes
	181	* are added here to add space for the CPU number. I guess 2^8 CPUs is more
	182	* than enough. We might end up with quantum computing in a cell phone when
	183	* reaching this limit.
	184	*/
	185	#define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8
	186
f3ed775e	187	/* Default channel attributes */
3817e7df	188	#define DEFAULT_CHANNEL_NAME "channel0"
0475c50c	189	/* Default JUL domain channel name. */
f20baf8e DG	190	#define DEFAULT_JUL_CHANNEL_NAME "lttng_jul_channel"
f20baf8e DG	191	/* Default JUL tracepoint name. This is a wildcard for the JUL domain. */
dac8e046 JG	192	#define DEFAULT_JUL_EVENT_COMPONENT "lttng_jul"
dac8e046 JG	193	#define DEFAULT_JUL_EVENT_NAME DEFAULT_JUL_EVENT_COMPONENT ":*"
da6c3a50 DG	194
	195	/* Default log4j domain channel name. */
	196	#define DEFAULT_LOG4J_CHANNEL_NAME "lttng_log4j_channel"
	197	/* Default log4j tracepoint name. This is a wildcard for the log4j domain. */
dac8e046 JG	198	#define DEFAULT_LOG4J_EVENT_COMPONENT "lttng_log4j"
dac8e046 JG	199	#define DEFAULT_LOG4J_EVENT_NAME DEFAULT_LOG4J_EVENT_COMPONENT ":*"
da6c3a50	200
0e115563 DG	201	/* Default Python domain channel name. */
	202	#define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel"
	203	/* Default Python tracepoint name. This is a wildcard for the python domain. */
dac8e046 JG	204	#define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python"
dac8e046 JG	205	#define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*"
0e115563	206
8d5841ea	207	#define DEFAULT_CHANNEL_OVERWRITE -1
7659d490 PP	208	#define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
	209	#define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
	210
	211	#define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
0a9c6494 DG	212	#define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
	213
	214	/* Metadata channel defaults. */
7659d490 PP	215	#define DEFAULT_METADATA_SUBBUF_SIZE CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
	216	#define DEFAULT_METADATA_SUBBUF_NUM CONFIG_DEFAULT_METADATA_SUBBUF_NUM
	217	#define DEFAULT_METADATA_CACHE_SIZE CONFIG_DEFAULT_METADATA_CACHE_SIZE
038abe40 JG	218	#define DEFAULT_METADATA_SWITCH_TIMER 0
	219	#define DEFAULT_METADATA_READ_TIMER 0
	220	#define DEFAULT_METADATA_OVERWRITE 0
	221	#define DEFAULT_METADATA_OUTPUT LTTNG_EVENT_MMAP
e6ddca71	222
b389abbe MD	223	/* Kernel has different defaults */
	224
	225	/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
7659d490	226	#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
9f778c9a MD	227	/*
	228	* DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
	229	* Update help manually if override.
	230	*/
7659d490	231	#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
b389abbe	232	/* See lttng-kernel.h enum lttng_kernel_output for channel output */
0a9c6494	233	#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
7659d490 PP	234	#define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
	235	#define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
	236	#define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER
6bb9e85f	237
0b0dd29a DG	238	/* User space defaults */
	239
	240	/* Must be a power of 2 */
7659d490 PP	241	#define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
7659d490 PP	242	#define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
9f778c9a	243	/* Must be a power of 2. Update help manuall if override. */
7659d490 PP	244	#define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
7659d490 PP	245	#define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
28ca4a8b	246	/* See lttng-ust.h enum lttng_ust_output */
0a9c6494 DG	247	#define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
	248	#define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
	249	/* Timers in usec. */
7659d490 PP	250	#define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
	251	#define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
	252	#define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
	253	#define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER
0b0dd29a	254
7659d490 PP	255	#define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
7659d490 PP	256	#define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER
6bb9e85f	257
ee0b0061 DG	258	/*
	259	* Default timeout value for the sem_timedwait() call. Blocking forever is not
	260	* wanted so a timeout is used to control the data flow and not freeze the
	261	* session daemon.
	262	*/
	263	#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
	264
fa91dc52	265	/* Default bind addresses for network services. */
7659d490 PP	266	#define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
	267	#define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
	268	#define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
	269	#define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS
fa91dc52 MD	270
fa91dc52 MD	271	/* Default network ports for trace streaming support. */
7659d490 PP	272	#define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT
	273	#define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT
	274	#define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT
3a5713da	275
022d91ba	276	/* Agent registration TCP port. */
7659d490	277	#define DEFAULT_AGENT_TCP_PORT CONFIG_DEFAULT_AGENT_TCP_PORT
4d076222	278
8809eec0 MD	279	/*
	280	* If a thread stalls for this amount of time, it will be considered bogus (bad
	281	* health).
	282	*/
	283	#define DEFAULT_HEALTH_CHECK_DELTA_S 20
	284	#define DEFAULT_HEALTH_CHECK_DELTA_NS 0
	285
38ee087f	286	/*
6d805429	287	* Wait period before retrying the lttng_data_pending command in the lttng
38ee087f DG	288	* stop command of liblttng-ctl.
	289	*/
	290	#define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
	291
331744e3 JD	292	/*
	293	* Wait period before retrying the lttng_consumer_flushed_cache when
	294	* the consumer receives metadata.
	295	*/
	296	#define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
	297
d831c249 DG	298	/*
	299	* The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
	300	* 180 and 60 seconds on most Linux system and the default value since kernel
	301	* 2.2 thus using the highest value. See tcp(7) for more details.
	302	*/
	303	#define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */
	304
44a2fbf1 JG	305	/* Maximum payload size for a control connection */
	306
	307	#define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE 134217728
	308
ae9e45b3 DG	309	/*
	310	* Default receiving and sending timeout for an application socket.
	311	*/
7659d490	312	#define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
ae9e45b3 DG	313	#define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
ae9e45b3 DG	314
ffe60014	315	#define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
8b3bd7a3	316
da3c9ec1	317	#define DEFAULT_SNAPSHOT_NAME "snapshot"
27babd3a	318	#define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */
da3c9ec1	319
309167d2 JD	320	/* Suffix of an index file. */
309167d2 JD	321	#define DEFAULT_INDEX_FILE_SUFFIX ".idx"
1c20f0e2	322	#define DEFAULT_INDEX_DIR "index"
309167d2	323
d73c5802	324	/* Default lttng command live timer value in usec. */
7659d490	325	#define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER
d73c5802	326
7567352f MD	327	/* Default runas worker name */
	328	#define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas"
	329
41af1adf	330	/* Default LTTng MI XML namespace. */
07334a07	331	#define DEFAULT_LTTNG_MI_NAMESPACE "https://lttng.org/xml/ns/lttng-mi"
41af1adf	332
4d5fb75f JG	333	/* Default thread stack size; the default mandated by pthread_create(3) */
	334	#define DEFAULT_LTTNG_THREAD_STACK_SIZE 2097152
	335
2fc6b1ab JR	336	#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE"
	337	#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME"
	338	#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT"
	339	#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL"
	340	#define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD"
	341
c7cc870e JR	342	#define DEFAULT_LTTNG_RELAYD_WORKING_DIRECTORY_ENV "LTTNG_RELAYD_WORKING_DIRECTORY"
c7cc870e JR	343
8b3bd7a3 SM	344	/*
	345	* Returns the default subbuf size.
	346	*
	347	* This function depends on a value that is set at constructor time, so it is
	348	* unsafe to call it from another constructor.
	349	*/
78d8fb4f JG	350	LTTNG_HIDDEN
78d8fb4f JG	351	size_t default_get_channel_subbuf_size(void);
8b3bd7a3 SM	352
	353	/*
	354	* Returns the default metadata subbuf size.
	355	*
	356	* This function depends on a value that is set at constructor time, so it is
	357	* unsafe to call it from another constructor.
	358	*/
78d8fb4f JG	359	LTTNG_HIDDEN
78d8fb4f JG	360	size_t default_get_metadata_subbuf_size(void);
8b3bd7a3 SM	361
	362	/*
	363	* Returns the default subbuf size for the kernel domain.
	364	*
	365	* This function depends on a value that is set at constructor time, so it is
	366	* unsafe to call it from another constructor.
	367	*/
78d8fb4f JG	368	LTTNG_HIDDEN
78d8fb4f JG	369	size_t default_get_kernel_channel_subbuf_size(void);
8b3bd7a3 SM	370
8b3bd7a3 SM	371	/*
0a9c6494 DG	372	* Returns the default subbuf size for the UST domain per PID.
	373	*
	374	* This function depends on a value that is set at constructor time, so it is
	375	* unsafe to call it from another constructor.
	376	*/
78d8fb4f JG	377	LTTNG_HIDDEN
78d8fb4f JG	378	size_t default_get_ust_pid_channel_subbuf_size(void);
0a9c6494 DG	379
	380	/*
	381	* Returns the default subbuf size for the UST domain per UID.
8b3bd7a3 SM	382	*
	383	* This function depends on a value that is set at constructor time, so it is
	384	* unsafe to call it from another constructor.
	385	*/
78d8fb4f JG	386	LTTNG_HIDDEN
78d8fb4f JG	387	size_t default_get_ust_uid_channel_subbuf_size(void);
8b3bd7a3	388
1a1a34b4 MJ	389	/*
	390	* Get the default pthread_attr to use on thread creation.
	391	*
	392	* Some libc, such as musl, don't honor the limit set for the stack size and use
	393	* their own empirically chosen static value. This function checks if the
	394	* current stack size is smaller than the stack size limit and if so returns a
	395	* pthread_attr_t pointer where the thread stack size is set to the soft stack
	396	* size limit.
	397	*/
	398	LTTNG_HIDDEN
	399	pthread_attr_t *default_pthread_attr(void);
	400
990570ed	401	#endif /* _DEFAULTS_H */