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edac: add more verbose debug info

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A patch for making a debugging information more verbose for use in
development debugging.

By enabling the new option "More verbose debugging", information about
source file and line number will be added to debugging message.

This is sample output,

EDAC MC0: Giving out device to 'e7xxx_edac' 'E7205': DEV 0000:00:00.0
EDAC DEBUG: in drivers/edac/edac_pci.c, line at 48: edac_pci_alloc_ctl_info()
EDAC DEBUG: in drivers/edac/edac_pci.c, line at 334: edac_pci_add_device()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Signed-off-by: Hitoshi Mitake <h.mitake@gmail.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hitoshi Mitake 2009-04-02 16:58:43 -07:00 committed by Linus Torvalds
parent 15746fcaa3
commit cc18e3cd53
2 changed files with 22 additions and 1 deletions
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8
drivers/edac/Kconfig
View file

@ -40,6 +40,14 @@ config EDAC_DEBUG
there're four debug levels (x=0,1,2,3 from low to high).
Usually you should select 'N'.
config EDAC_DEBUG_VERBOSE
bool "More verbose debugging"
depends on EDAC_DEBUG
help
This option makes debugging information more verbose.
Source file name and line number where debugging message
printed will be added to debugging message.
config EDAC_MM_EDAC
tristate "Main Memory EDAC (Error Detection And Correction) reporting"
default y

15
drivers/edac/edac_core.h
View file

@ -49,6 +49,10 @@
#define edac_printk(level, prefix, fmt, arg...) \
printk(level "EDAC " prefix ": " fmt, ##arg)
#define edac_printk_verbose(level, prefix, fmt, arg...) \
printk(level "EDAC " prefix ": " "in %s, line at %d: " fmt, \
__FILE__, __LINE__, ##arg)
#define edac_mc_printk(mci, level, fmt, arg...) \
printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg)
@ -71,11 +75,20 @@
#ifdef CONFIG_EDAC_DEBUG
extern int edac_debug_level;
#ifndef CONFIG_EDAC_DEBUG_VERBOSE
#define edac_debug_printk(level, fmt, arg...) \
do { \
if (level <= edac_debug_level) \
edac_printk(KERN_DEBUG, EDAC_DEBUG, fmt, ##arg); \
} while(0)
} while (0)
#else /* CONFIG_EDAC_DEBUG_VERBOSE */
#define edac_debug_printk(level, fmt, arg...) \
do { \
if (level <= edac_debug_level) \
edac_printk_verbose(KERN_DEBUG, EDAC_DEBUG, fmt, \
##arg); \
} while (0)
#endif
#define debugf0( ... ) edac_debug_printk(0, __VA_ARGS__ )
#define debugf1( ... ) edac_debug_printk(1, __VA_ARGS__ )