[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 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"

/*
 * 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 */

#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>
9bda164d	4	*
d14d33bf AM	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.
9bda164d	8	*
e848fc76 DG	9	* This program is distributed in the hope that it will be useful, but WITHOUT
e848fc76 DG	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
d14d33bf	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
e848fc76	12	* more details.
9bda164d	13	*
d14d33bf AM	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.
9bda164d DG	17	*/
9bda164d DG	18
990570ed DG	19	#ifndef _DEFAULTS_H
990570ed DG	20	#define _DEFAULTS_H
e848fc76	21
bbccc3d2 DG	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
f6a9efaa	31	/* Default size of a hash table */
60922cb0 DG	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 consumer paths */
	44	#define DEFAULT_CONSUMERD_RUNDIR "%s"
	45
	46	/* Kernel consumer path */
	47	#define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
	48	#define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
	49	#define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
	50
	51	/* UST 64-bit consumer path */
	52	#define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
	53	#define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
	54	#define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
	55
	56	/* UST 32-bit consumer path */
	57	#define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
	58	#define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
	59	#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
	60
f6a9efaa	61
990570ed	62	/* Default lttng run directory */
60922cb0 DG	63	#define DEFAULT_LTTNG_RUNDIR "/var/run/lttng"
60922cb0 DG	64	#define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
990570ed DG	65
990570ed DG	66	/* Default unix socket path */
60922cb0 DG	67	#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
	68	#define DEFAULT_GLOBAL_APPS_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/apps-lttng-sessiond"
	69	#define DEFAULT_HOME_APPS_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/apps-lttng-sessiond"
	70	#define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
990570ed DG	71
	72	/*
	73	* Value taken from the hard limit allowed by the kernel when using setrlimit
	74	* with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
	75	*/
	76	#define DEFAULT_POLL_SIZE 65535
	77
f3ed775e	78	/* Default channel attributes */
3817e7df DG	79	#define DEFAULT_CHANNEL_NAME "channel0"
3817e7df DG	80	#define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */
7d452e12	81	/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
3817e7df	82	#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
7d452e12	83	/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
9f778c9a	84	#define DEFAULT_CHANNEL_SUBBUF_NUM 4
3817e7df	85	#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
b389abbe	86	#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
3817e7df	87	#define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
b389abbe	88
3817e7df DG	89	#define DEFAULT_METADATA_SUBBUF_SIZE 4096
3817e7df DG	90	#define DEFAULT_METADATA_SUBBUF_NUM 2
e6ddca71	91
b389abbe MD	92	/* Kernel has different defaults */
	93
	94	/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
3817e7df	95	#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */
9f778c9a MD	96	/*
	97	* DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
	98	* Update help manually if override.
	99	*/
	100	#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
b389abbe	101	/* See lttng-kernel.h enum lttng_kernel_output for channel output */
3817e7df	102	#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
f3ed775e	103
0b0dd29a DG	104	/* User space defaults */
	105
	106	/* Must be a power of 2 */
	107	#define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
9f778c9a MD	108	/* Must be a power of 2. Update help manuall if override. */
9f778c9a MD	109	#define DEFAULT_UST_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
28ca4a8b	110	/* See lttng-ust.h enum lttng_ust_output */
d41f73b7	111	#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
0b0dd29a	112
ee0b0061 DG	113	/*
	114	* Default timeout value for the sem_timedwait() call. Blocking forever is not
	115	* wanted so a timeout is used to control the data flow and not freeze the
	116	* session daemon.
	117	*/
	118	#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
	119
990570ed	120	#endif /* _DEFAULTS_H */