X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fdefaults.h;h=efcd7924b1ab16f38752eecca3ddfe6dabb05a92;hp=b15bdc9e2cb6b35ac4c67b8f0f4447726cd82d1a;hb=8b3bd7a32e514aae56e718491a10f582b03140c3;hpb=60922cb08cc9fb683c6148da4ff91da8c2c0c4d5 diff --git a/src/common/defaults.h b/src/common/defaults.h index b15bdc9e2..efcd7924b 100644 --- a/src/common/defaults.h +++ b/src/common/defaults.h @@ -2,23 +2,32 @@ * Copyright (C) 2011 - David Goulet * 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 + * 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 _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 @@ -31,6 +40,16 @@ #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 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" @@ -59,6 +78,8 @@ #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 @@ -66,13 +87,21 @@ */ #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" #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 8 +#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 @@ -84,8 +113,11 @@ /* 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 */ -#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM 4 +/* + * 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 @@ -93,8 +125,8 @@ /* Must be a power of 2 */ #define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ -/* Must be a power of 2 */ -#define DEFAULT_UST_CHANNEL_SUBBUF_NUM 4 +/* 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 @@ -105,4 +137,82 @@ */ #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 + +/* + * 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 */ + +/* + * Default receiving and sending timeout for an application socket. + */ +#define DEFAULT_APP_SOCKET_RW_TIMEOUT 5 /* sec */ +#define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT" + + +extern size_t default_channel_subbuf_size; +extern size_t default_metadata_subbuf_size; +extern size_t default_ust_channel_subbuf_size; +extern size_t default_kernel_channel_subbuf_size; + + +/* + * 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. + */ +static inline +size_t default_get_channel_subbuf_size(void) +{ + return default_channel_subbuf_size; +} + +/* + * 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. + */ +static inline +size_t default_get_metadata_subbuf_size(void) +{ + return default_metadata_subbuf_size; +} + +/* + * 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. + */ +static inline +size_t default_get_kernel_channel_subbuf_size(void) +{ + return default_kernel_channel_subbuf_size; +} + +/* + * Returns the default subbuf size for the UST domain. + * + * This function depends on a value that is set at constructor time, so it is + * unsafe to call it from another constructor. + */ +static inline +size_t default_get_ust_channel_subbuf_size(void) +{ + return default_ust_channel_subbuf_size; +} + #endif /* _DEFAULTS_H */