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

/*
 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
 *                      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.
 *
 * 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

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

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

/* 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"

#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH       "/lttng-ust-apps-wait"
#define DEFAULT_HOME_APPS_WAIT_SHM_PATH         "/lttng-ust-apps-wait-%u"

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

/* 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"


/* Default lttng run directory */
#define DEFAULT_LTTNG_RUNDIR                    "/var/run/lttng"
#define DEFAULT_LTTNG_HOME_RUNDIR               "%s/.lttng"

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

/*
 * 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

/* Default channel attributes */
#define DEFAULT_CHANNEL_NAME            "channel0"
#define DEFAULT_CHANNEL_OVERWRITE       0       /* usec */
/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
#define DEFAULT_CHANNEL_SUBBUF_SIZE     4096    /* bytes */
/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
#define DEFAULT_CHANNEL_SUBBUF_NUM      4
#define DEFAULT_CHANNEL_SWITCH_TIMER    0       /* usec */
#define DEFAULT_CHANNEL_READ_TIMER		200     /* usec */
#define DEFAULT_CHANNEL_OUTPUT          LTTNG_EVENT_MMAP

#define DEFAULT_METADATA_SUBBUF_SIZE    4096
#define DEFAULT_METADATA_SUBBUF_NUM     2

/* Kernel has different defaults */

/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE  262144    /* bytes */
/*
 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
 * Update help manually if override.
 */
#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM   DEFAULT_CHANNEL_SUBBUF_NUM
/* See lttng-kernel.h enum lttng_kernel_output for channel output */
#define DEFAULT_KERNEL_CHANNEL_OUTPUT       LTTNG_EVENT_SPLICE

/* User space defaults */

/* Must be a power of 2 */
#define DEFAULT_UST_CHANNEL_SUBBUF_SIZE     4096    /* bytes */
/* Must be a power of 2. Update help manuall if override. */
#define DEFAULT_UST_CHANNEL_SUBBUF_NUM      DEFAULT_CHANNEL_SUBBUF_NUM
/* See lttng-ust.h enum lttng_ust_output */
#define DEFAULT_UST_CHANNEL_OUTPUT          LTTNG_EVENT_MMAP

/*
 * 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 network ports for trace streaming support */
#define DEFAULT_NETWORK_CONTROL_PORT        5342
#define DEFAULT_NETWORK_DATA_PORT           5343

/*
 * 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

#endif /* _DEFAULTS_H */
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
	3	* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License, version 2 only,
	7	* as published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along
	15	* with this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	17	*/
	18
	19	#ifndef _DEFAULTS_H
	20	#define _DEFAULTS_H
	21
	22	/* Default unix group name for tracing. */
	23	#define DEFAULT_TRACING_GROUP "tracing"
	24
	25	/* Environment variable to set session daemon binary path. */
	26	#define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
	27
	28	/* Default trace output directory name */
	29	#define DEFAULT_TRACE_DIR_NAME "lttng-traces"
	30
	31	/* Default size of a hash table */
	32	#define DEFAULT_HT_SIZE 4
	33
	34	/* Default session daemon paths */
	35	#define DEFAULT_HOME_DIR "/tmp"
	36	#define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
	37	#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
	38	#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
	39
	40	#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait"
	41	#define DEFAULT_HOME_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait-%u"
	42
	43	/* Default directory where the trace are written in per domain */
	44	#define DEFAULT_KERNEL_TRACE_DIR "/kernel"
	45	#define DEFAULT_UST_TRACE_DIR "/ust"
	46
	47	/* Default consumer paths */
	48	#define DEFAULT_CONSUMERD_RUNDIR "%s"
	49
	50	/* Kernel consumer path */
	51	#define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
	52	#define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
	53	#define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
	54
	55	/* UST 64-bit consumer path */
	56	#define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
	57	#define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
	58	#define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
	59
	60	/* UST 32-bit consumer path */
	61	#define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
	62	#define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
	63	#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
	64
	65
	66	/* Default lttng run directory */
	67	#define DEFAULT_LTTNG_RUNDIR "/var/run/lttng"
	68	#define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
	69
	70	/* Default unix socket path */
	71	#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
	72	#define DEFAULT_GLOBAL_APPS_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/apps-lttng-sessiond"
	73	#define DEFAULT_HOME_APPS_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/apps-lttng-sessiond"
	74	#define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
	75	#define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/health.sock"
	76	#define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/health.sock"
	77
	78	/*
	79	* Value taken from the hard limit allowed by the kernel when using setrlimit
	80	* with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
	81	*/
	82	#define DEFAULT_POLL_SIZE 65535
	83
	84	/* Default channel attributes */
	85	#define DEFAULT_CHANNEL_NAME "channel0"
	86	#define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */
	87	/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
	88	#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
	89	/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
	90	#define DEFAULT_CHANNEL_SUBBUF_NUM 4
	91	#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
	92	#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
	93	#define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
	94
	95	#define DEFAULT_METADATA_SUBBUF_SIZE 4096
	96	#define DEFAULT_METADATA_SUBBUF_NUM 2
	97
	98	/* Kernel has different defaults */
	99
	100	/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
	101	#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */
	102	/*
	103	* DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
	104	* Update help manually if override.
	105	*/
	106	#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
	107	/* See lttng-kernel.h enum lttng_kernel_output for channel output */
	108	#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
	109
	110	/* User space defaults */
	111
	112	/* Must be a power of 2 */
	113	#define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
	114	/* Must be a power of 2. Update help manuall if override. */
	115	#define DEFAULT_UST_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
	116	/* See lttng-ust.h enum lttng_ust_output */
	117	#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
	118
	119	/*
	120	* Default timeout value for the sem_timedwait() call. Blocking forever is not
	121	* wanted so a timeout is used to control the data flow and not freeze the
	122	* session daemon.
	123	*/
	124	#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
	125
	126	/* Default network ports for trace streaming support */
	127	#define DEFAULT_NETWORK_CONTROL_PORT 5342
	128	#define DEFAULT_NETWORK_DATA_PORT 5343
	129
	130	/*
	131	* If a thread stalls for this amount of time, it will be considered bogus (bad
	132	* health).
	133	*/
	134	#define DEFAULT_HEALTH_CHECK_DELTA_S 20
	135	#define DEFAULT_HEALTH_CHECK_DELTA_NS 0
	136
	137	#endif /* _DEFAULTS_H */