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| author | Joe Perches <joe@perches.com> | 2011-08-11 14:36:21 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-22 18:23:04 -0700 |
| commit | cbc4663552ee476f57933920d782222d94878e7e (patch) | |
| tree | 7fa60ec28e53114d239137b7cea65c66da15040c /lib/dynamic_debug.c | |
| parent | 25b8a88c10770e8c3f14bf2e222691dc6e79de78 (diff) | |
| download | linux-stable-cbc4663552ee476f57933920d782222d94878e7e.tar.gz linux-stable-cbc4663552ee476f57933920d782222d94878e7e.tar.bz2 linux-stable-cbc4663552ee476f57933920d782222d94878e7e.zip | |
dynamic_debug: Add __dynamic_dev_dbg
Unlike dynamic_pr_debug, dynamic uses of dev_dbg can not
currently add task_pid/KBUILD_MODNAME/__func__/__LINE__
to selected debug output.
Add a new function similar to dynamic_pr_debug to
optionally emit these prefixes.
Cc: Aloisio Almeida <aloisio.almeida@openbossa.org>
Noticed-by: Aloisio Almeida <aloisio.almeida@openbossa.org>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib/dynamic_debug.c')
| -rw-r--r-- | lib/dynamic_debug.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 75ca78f3a8c9..63b6f95ac552 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -30,6 +30,7 @@ #include <linux/jump_label.h> #include <linux/hardirq.h> #include <linux/sched.h> +#include <linux/device.h> extern struct _ddebug __start___verbose[]; extern struct _ddebug __stop___verbose[]; @@ -456,6 +457,43 @@ int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...) } EXPORT_SYMBOL(__dynamic_pr_debug); +int __dynamic_dev_dbg(struct _ddebug *descriptor, + const struct device *dev, const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + int res; + + BUG_ON(!descriptor); + BUG_ON(!fmt); + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; + + res = printk(KERN_DEBUG); + if (descriptor->flags & _DPRINTK_FLAGS_INCL_TID) { + if (in_interrupt()) + res += printk(KERN_CONT "<intr> "); + else + res += printk(KERN_CONT "[%d] ", task_pid_vnr(current)); + } + if (descriptor->flags & _DPRINTK_FLAGS_INCL_MODNAME) + res += printk(KERN_CONT "%s:", descriptor->modname); + if (descriptor->flags & _DPRINTK_FLAGS_INCL_FUNCNAME) + res += printk(KERN_CONT "%s:", descriptor->function); + if (descriptor->flags & _DPRINTK_FLAGS_INCL_LINENO) + res += printk(KERN_CONT "%d ", descriptor->lineno); + + res += __dev_printk(KERN_CONT, dev, &vaf); + + va_end(args); + + return res; +} +EXPORT_SYMBOL(__dynamic_dev_dbg); + static __initdata char ddebug_setup_string[1024]; static __init int ddebug_setup_query(char *str) { |