gistfile1.txt

From 1e70fbfeb4949dec62dfb1d06e4f830b69d09f03 Mon Sep 17 00:00:00 2001
From: Paul Gofman <pgofman@codeweavers.com>
Date: Fri, 6 May 2022 14:39:27 -0500
Subject: [PATCH] iphlpapi/tests: (temp) Test GetAdaptersInfo() performance.

---
 dlls/iphlpapi/tests/iphlpapi.c | 42 ++++++++++++++++++++++++++++++----
 1 file changed, 38 insertions(+), 4 deletions(-)

diff --git a/dlls/iphlpapi/tests/iphlpapi.c b/dlls/iphlpapi/tests/iphlpapi.c
index c40ae3989c6..a9aa9b064e2 100644
--- a/dlls/iphlpapi/tests/iphlpapi.c
+++ b/dlls/iphlpapi/tests/iphlpapi.c
@@ -1380,15 +1380,31 @@ static void testGetInterfaceInfo(void)
     }
 }
 
+static LARGE_INTEGER perf_freq;
+
+static double curr_time_ms(void)
+{
+    LARGE_INTEGER c;
+
+    QueryPerformanceCounter(&c);
+    return 1000.0 * c.QuadPart / perf_freq.QuadPart;
+}
+
 static void testGetAdaptersInfo(void)
 {
+    static const int test_count = 500;
+    int i;
+
     IP_ADAPTER_INFO *ptr, *buf;
     NET_LUID luid;
     GUID guid;
     char name[ARRAY_SIZE(ptr->AdapterName)];
     DWORD err;
-    ULONG len = 0;
+    ULONG len = 0, len2;
     MIB_IFROW row;
+    double t1, t2;
+
+    QueryPerformanceFrequency(&perf_freq);
 
     err = GetAdaptersInfo( NULL, NULL );
     ok( err == ERROR_INVALID_PARAMETER, "got %ld\n", err );
@@ -1399,6 +1415,19 @@ static void testGetAdaptersInfo(void)
     buf = malloc( len );
     err = GetAdaptersInfo( buf, &len );
     ok( !err, "got %ld\n", err );
+
+    t1 = curr_time_ms();
+    for (i = 0; i < test_count; ++i)
+    {
+        len2 = 0;
+        err = GetAdaptersInfo( NULL, &len2);
+        ok(err == ERROR_BUFFER_OVERFLOW && len == len2, "Unexpected err %ld, len2 %ld.\n", err, len2);
+        err = GetAdaptersInfo( buf, &len );
+        ok( !err, "got %ld\n", err );
+        t2 = curr_time_ms();
+    }
+    trace("time1 %.1lf.\n", (t2 - t1) / test_count);
+
     ptr = buf;
     while (ptr)
     {
@@ -1465,8 +1494,10 @@ IpRenewAddress
 */
 static DWORD CALLBACK testWin98Functions(void *p)
 {
-  testGetInterfaceInfo();
+  if (0)
+    testGetInterfaceInfo();
   testGetAdaptersInfo();
+return 0;
   testGetNetworkParams();
   return 0;
 }
@@ -2683,13 +2714,16 @@ START_TEST(iphlpapi)
   if (hLibrary) {
     HANDLE thread;
 
+if(0){
     testWin98OnlyFunctions();
     testWinNT4Functions();
+}
 
     /* run testGetXXXX in two threads at once to make sure we don't crash in that case */
-    thread = CreateThread(NULL, 0, testWin98Functions, NULL, 0, NULL);
+//    thread = CreateThread(NULL, 0, testWin98Functions, NULL, 0, NULL);
     testWin98Functions(NULL);
-    WaitForSingleObject(thread, INFINITE);
+//    WaitForSingleObject(thread, INFINITE);
+return;
 
     testWin2KFunctions();
     test_GetAdaptersAddresses();
-- 
2.36.1