ANDROID: vendor_hooks: tune reclaim swappiness or scan type
Add hooks for reclaim
Bug: 185438290
Change-Id: Ib9eec302b1df4da7e98c77b94541af28c34a8613
Signed-off-by: xiaofeng <xiaofeng5@xiaomi.com>
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1f68053..caa86c8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -63,6 +63,9 @@
#define CREATE_TRACE_POINTS
#include <trace/events/vmscan.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/vmscan.h>
+
struct scan_control {
/* How many pages shrink_list() should reclaim */
unsigned long nr_to_reclaim;
@@ -2267,6 +2270,7 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
goto out;
}
+ trace_android_vh_tune_swappiness(&swappiness);
/*
* Global reclaim will swap to prevent OOM even with no
* swappiness, but memcg users want to use this knob to
@@ -2337,6 +2341,7 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
fraction[1] = fp;
denominator = ap + fp;
out:
+ trace_android_vh_tune_scan_type((char *)(&scan_balance));
for_each_evictable_lru(lru) {
int file = is_file_lru(lru);
unsigned long lruvec_size;