optionally add class->name_version and class->subclass to the class name
Signed-off-by: Peter Zijlstra <[email protected]>
---
kernel/lockdep_proc.c | 24 +++++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
Index: linux-2.6/kernel/lockdep_proc.c
===================================================================
--- linux-2.6.orig/kernel/lockdep_proc.c
+++ linux-2.6/kernel/lockdep_proc.c
@@ -421,8 +421,30 @@ static void seq_stats(struct seq_file *m
class = data->class;
stats = &data->stats;
- snprintf(name, 38, "%s", class->name);
+ namelen = 38;
+ if (class->name_version > 1)
+ namelen -= 2; /* XXX truncates versions > 9 */
+ if (class->subclass)
+ namelen -= 2;
+
+ if (!class->name) {
+ char str[KSYM_NAME_LEN];
+ const char *key_name;
+
+ key_name = __get_key_name(class->key, str);
+ snprintf(name, namelen, "%s", key_name);
+ } else {
+ snprintf(name, namelen, "%s", class->name);
+ }
namelen = strlen(name);
+ if (class->name_version > 1) {
+ snprintf(name+namelen, 3, "#%d", class->name_version);
+ namelen += 2;
+ }
+ if (class->subclass) {
+ snprintf(name+namelen, 3, "/%d", class->subclass);
+ namelen += 2;
+ }
if (stats->write_holdtime.nr) {
if (stats->read_holdtime.nr)
--
-
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