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mars/brick_say.h

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improved memory handling (big change but necessary for long-time stability of mem allocs)
2011-11-14 17:52:05 +00:00
// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
#ifndef BRICK_SAY_H
#define BRICK_SAY_H
/////////////////////////////////////////////////////////////////////////
brick_say: make debug messages runtime-selectable
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extern int brick_say_debug;
brick_say: implement status files via intermediate .tmp files
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extern int brick_say_syslog_min;
extern int brick_say_syslog_max;
brick_say: allow delaying callers upon overflow
2012-11-20 08:09:33 +00:00
extern int delay_say_on_overflow;
brick_say: implement status files via intermediate .tmp files
2012-11-13 11:50:48 +00:00
improved memory handling (big change but necessary for long-time stability of mem allocs)
2011-11-14 17:52:05 +00:00
// printk() replacements
infra: rewrite brick_say to work with threads It was cumbersome to write to files in / after in_interrupt() & co. A master write thread will also reduce the peak IO parallelism on log data in /mars . Further work has to be done to utilize non-default write channels.
2012-10-11 06:25:41 +00:00
enum {
SAY_DEBUG,
SAY_INFO,
SAY_WARN,
SAY_ERROR,
SAY_FATAL,
SAY_TOTAL,
MAX_SAY_CLASS
};
usability: added /proc/sys/mars/{errors,warnings}
2012-02-02 10:16:06 +00:00
infra: rewrite brick_say to work with threads It was cumbersome to write to files in / after in_interrupt() & co. A master write thread will also reduce the peak IO parallelism on log data in /mars . Further work has to be done to utilize non-default write channels.
2012-10-11 06:25:41 +00:00
struct say_channel;
extern struct say_channel *default_channel;
extern struct say_channel *make_channel(const char *name);
extern void bind_to_channel(struct say_channel *ch, struct task_struct *whom);
#define bind_me(_name) \
bind_to_channel(make_channel(_name), current)
brick_say: implement status files via intermediate .tmp files
2012-11-13 11:50:48 +00:00
extern struct say_channel *get_binding(struct task_struct *whom);
extern void remove_binding_from(struct say_channel *ch, struct task_struct *whom);
infra: rewrite brick_say to work with threads It was cumbersome to write to files in / after in_interrupt() & co. A master write thread will also reduce the peak IO parallelism on log data in /mars . Further work has to be done to utilize non-default write channels.
2012-10-11 06:25:41 +00:00
extern void remove_binding(struct task_struct *whom);
usability: added /proc/sys/mars/{errors,warnings}
2012-02-02 10:16:06 +00:00
brick_say: implement status files via intermediate .tmp files
2012-11-13 11:50:48 +00:00
extern void rollover_channel(struct say_channel *ch);
extern void rollover_all(void);
infra: rewrite brick_say to work with threads It was cumbersome to write to files in / after in_interrupt() & co. A master write thread will also reduce the peak IO parallelism on log data in /mars . Further work has to be done to utilize non-default write channels.
2012-10-11 06:25:41 +00:00
extern void say_to(struct say_channel *ch, int class, const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
fixed logging to file, allow logrotate
2012-01-11 15:16:39 +00:00
infra: rewrite brick_say to work with threads It was cumbersome to write to files in / after in_interrupt() & co. A master write thread will also reduce the peak IO parallelism on log data in /mars . Further work has to be done to utilize non-default write channels.
2012-10-11 06:25:41 +00:00
#define say(_class, _fmt, _args...) \
say_to(NULL, _class, _fmt, ##_args)
improved printk flooding (long filename paths)
2012-01-09 16:12:06 +00:00
infra: rewrite brick_say to work with threads It was cumbersome to write to files in / after in_interrupt() & co. A master write thread will also reduce the peak IO parallelism on log data in /mars . Further work has to be done to utilize non-default write channels.
2012-10-11 06:25:41 +00:00
extern void brick_say_to(struct say_channel *ch, int class, bool dump, const char *prefix, const char *file, int line, const char *func, const char *fmt, ...) __attribute__ ((format (printf, 8, 9)));
#define brick_say(_class, _dump, _prefix, _file, _line, _func, _fmt, _args...) \
brick_say_to(NULL, _class, _dump, _prefix, _file, _line, _func, _fmt, ##_args)
improved printk flooding (long filename paths)
2012-01-09 16:12:06 +00:00
allow logging to /mars/log.txt instead of syslog
2012-01-10 12:55:50 +00:00
extern void init_say(void);
improved printk flooding (long filename paths)
2012-01-09 16:12:06 +00:00
extern void exit_say(void);
treat CONFIG_MARS_DEBUG independent from CONFIG_DEBUG_KERNEL
2012-02-08 11:44:42 +00:00
#ifdef CONFIG_MARS_DEBUG
improved memory handling (big change but necessary for long-time stability of mem allocs)
2011-11-14 17:52:05 +00:00
#define INLINE static inline
//#define INLINE __attribute__((__noinline__))
extern void brick_dump_stack(void);
treat CONFIG_MARS_DEBUG independent from CONFIG_DEBUG_KERNEL
2012-02-08 11:44:42 +00:00
#else // CONFIG_MARS_DEBUG
improved memory handling (big change but necessary for long-time stability of mem allocs)
2011-11-14 17:52:05 +00:00
#define INLINE static inline
#define brick_dump_stack() /*empty*/
treat CONFIG_MARS_DEBUG independent from CONFIG_DEBUG_KERNEL
2012-02-08 11:44:42 +00:00
#endif // CONFIG_MARS_DEBUG
improved memory handling (big change but necessary for long-time stability of mem allocs)
2011-11-14 17:52:05 +00:00
#endif