source: branches/3.2/mindi-busybox/sysklogd/Config.src @ 3232

Last change on this file since 3232 was 3232, checked in by bruno, 5 years ago
  • Update mindi-busybox to 1.21.1
File size: 5.0 KB
Line 
1#
2# For a description of the syntax of this configuration file,
3# see scripts/kbuild/config-language.txt.
4#
5
6menu "System Logging Utilities"
7
8INSERT
9
10config SYSLOGD
11    bool "syslogd"
12    default y
13    help
14      The syslogd utility is used to record logs of all the
15      significant events that occur on a system. Every
16      message that is logged records the date and time of the
17      event, and will generally also record the name of the
18      application that generated the message. When used in
19      conjunction with klogd, messages from the Linux kernel
20      can also be recorded. This is terribly useful,
21      especially for finding what happened when something goes
22      wrong. And something almost always will go wrong if
23      you wait long enough....
24
25config FEATURE_ROTATE_LOGFILE
26    bool "Rotate message files"
27    default y
28    depends on SYSLOGD
29    help
30      This enables syslogd to rotate the message files
31      on his own. No need to use an external rotatescript.
32
33config FEATURE_REMOTE_LOG
34    bool "Remote Log support"
35    default y
36    depends on SYSLOGD
37    help
38      When you enable this feature, the syslogd utility can
39      be used to send system log messages to another system
40      connected via a network. This allows the remote
41      machine to log all the system messages, which can be
42      terribly useful for reducing the number of serial
43      cables you use. It can also be a very good security
44      measure to prevent system logs from being tampered with
45      by an intruder.
46
47config FEATURE_SYSLOGD_DUP
48    bool "Support -D (drop dups) option"
49    default y
50    depends on SYSLOGD
51    help
52      Option -D instructs syslogd to drop consecutive messages
53      which are totally the same.
54
55config FEATURE_SYSLOGD_CFG
56    bool "Support syslog.conf"
57    default y
58    depends on SYSLOGD
59    help
60      Supports restricted syslogd config. See docs/syslog.conf.txt
61
62config FEATURE_SYSLOGD_READ_BUFFER_SIZE
63    int "Read buffer size in bytes"
64    default 256
65    range 256 20000
66    depends on SYSLOGD
67    help
68      This option sets the size of the syslog read buffer.
69      Actual memory usage increases around five times the
70      change done here.
71
72config FEATURE_IPC_SYSLOG
73    bool "Circular Buffer support"
74    default y
75    depends on SYSLOGD
76    help
77      When you enable this feature, the syslogd utility will
78      use a circular buffer to record system log messages.
79      When the buffer is filled it will continue to overwrite
80      the oldest messages. This can be very useful for
81      systems with little or no permanent storage, since
82      otherwise system logs can eventually fill up your
83      entire filesystem, which may cause your system to
84      break badly.
85
86config FEATURE_IPC_SYSLOG_BUFFER_SIZE
87    int "Circular buffer size in Kbytes (minimum 4KB)"
88    default 16
89    range 4 2147483647
90    depends on FEATURE_IPC_SYSLOG
91    help
92      This option sets the size of the circular buffer
93      used to record system log messages.
94
95config LOGREAD
96    bool "logread"
97    default y
98    depends on FEATURE_IPC_SYSLOG
99    help
100      If you enabled Circular Buffer support, you almost
101      certainly want to enable this feature as well. This
102      utility will allow you to read the messages that are
103      stored in the syslogd circular buffer.
104
105config FEATURE_LOGREAD_REDUCED_LOCKING
106    bool "Double buffering"
107    default y
108    depends on LOGREAD
109    help
110      'logread' ouput to slow serial terminals can have
111      side effects on syslog because of the semaphore.
112      This option make logread to double buffer copy
113      from circular buffer, minimizing semaphore
114      contention at some minor memory expense.
115
116config FEATURE_KMSG_SYSLOG
117    bool "Linux kernel printk buffer support"
118    default y
119    depends on SYSLOGD
120    select PLATFORM_LINUX
121    help
122      When you enable this feature, the syslogd utility will
123      write system log message to the Linux kernel's printk buffer.
124      This can be used as a smaller alternative to the syslogd IPC
125      support, as klogd and logread aren't needed.
126
127      NOTICE: Syslog facilities in log entries needs kernel 3.5+.
128
129config KLOGD
130    bool "klogd"
131    default y
132    help
133      klogd is a utility which intercepts and logs all
134      messages from the Linux kernel and sends the messages
135      out to the 'syslogd' utility so they can be logged. If
136      you wish to record the messages produced by the kernel,
137      you should enable this option.
138
139comment "klogd should not be used together with syslog to kernel printk buffer"
140    depends on KLOGD && FEATURE_KMSG_SYSLOG
141
142config FEATURE_KLOGD_KLOGCTL
143    bool "Use the klogctl() interface"
144    default y
145    depends on KLOGD
146    select PLATFORM_LINUX
147    help
148      The klogd applet supports two interfaces for reading
149      kernel messages. Linux provides the klogctl() interface
150      which allows reading messages from the kernel ring buffer
151      independently from the file system.
152
153      If you answer 'N' here, klogd will use the more portable
154      approach of reading them from /proc or a device node.
155      However, this method requires the file to be available.
156
157      If in doubt, say 'Y'.
158
159config LOGGER
160    bool "logger"
161    default y
162    select FEATURE_SYSLOG
163    help
164        The logger utility allows you to send arbitrary text
165        messages to the system log (i.e. the 'syslogd' utility) so
166        they can be logged. This is generally used to help locate
167        problems that occur within programs and scripts.
168
169endmenu
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