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Diffstat (limited to 'lib/dynamic_debug.c')
-rw-r--r--lib/dynamic_debug.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index fdd6d9800a70..6fba6423cc10 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -88,10 +88,11 @@ static inline const char *trim_prefix(const char *path)
return path + skip;
}
-static struct { unsigned flag:8; char opt_char; } opt_array[] = {
+static const struct { unsigned flag:8; char opt_char; } opt_array[] = {
{ _DPRINTK_FLAGS_PRINT, 'p' },
{ _DPRINTK_FLAGS_INCL_MODNAME, 'm' },
{ _DPRINTK_FLAGS_INCL_FUNCNAME, 'f' },
+ { _DPRINTK_FLAGS_INCL_SOURCENAME, 's' },
{ _DPRINTK_FLAGS_INCL_LINENO, 'l' },
{ _DPRINTK_FLAGS_INCL_TID, 't' },
{ _DPRINTK_FLAGS_NONE, '_' },
@@ -808,7 +809,7 @@ const struct kernel_param_ops param_ops_dyndbg_classes = {
};
EXPORT_SYMBOL(param_ops_dyndbg_classes);
-#define PREFIX_SIZE 64
+#define PREFIX_SIZE 128
static int remaining(int wrote)
{
@@ -836,6 +837,9 @@ static char *__dynamic_emit_prefix(const struct _ddebug *desc, char *buf)
if (desc->flags & _DPRINTK_FLAGS_INCL_FUNCNAME)
pos += snprintf(buf + pos, remaining(pos), "%s:",
desc->function);
+ if (desc->flags & _DPRINTK_FLAGS_INCL_SOURCENAME)
+ pos += snprintf(buf + pos, remaining(pos), "%s:",
+ trim_prefix(desc->filename));
if (desc->flags & _DPRINTK_FLAGS_INCL_LINENO)
pos += snprintf(buf + pos, remaining(pos), "%d:",
desc->lineno);