回退 'Pull Request !342 : 增加/proc/fs_cache来显示文件系统缓存维测信息'

kernel/base/vm/los_vm_filemap.c

@@ -47,24 +47,6 @@
 #define UNUSED(x)          (VOID)x
 #endif
 
-#ifdef LOSCFG_DEBUG_VERSION
-static int g_totalPageCacheTry = 0;
-static int g_totalPageCacheHit = 0;
-#define TRACE_TRY_CACHE() do { g_totalPageCacheTry++; } while (0)
-#define TRACE_HIT_CACHE() do { g_totalPageCacheHit++; } while (0)
-
-VOID ResetPageCacheHitInfo(int *try, int *hit)
-{
-    *try = g_totalPageCacheTry;
-    *hit = g_totalPageCacheHit;
-    g_totalPageCacheHit = 0;
-    g_totalPageCacheTry = 0;
-}
-#else
-#define TRACE_TRY_CACHE()
-#define TRACE_HIT_CACHE()
-#endif
-
 #ifdef LOSCFG_KERNEL_VM
 
 STATIC VOID OsPageCacheAdd(LosFilePage *page, struct page_mapping *mapping, VM_OFFSET_T pgoff)
@@ -383,9 +365,7 @@ INT32 OsVmmFileFault(LosVmMapRegion *region, LosVmPgFault *vmf)
     /* get or create a new cache node */
     LOS_SpinLockSave(&mapping->list_lock, &intSave);
     fpage = OsFindGetEntry(mapping, vmf->pgoff);
-    TRACE_TRY_CACHE();
     if (fpage != NULL) {
-        TRACE_HIT_CACHE();
         OsPageRefIncLocked(fpage);
     } else {
         fpage = OsPageCacheAlloc(mapping, vmf->pgoff);