commit 9ce673b69e82578044958f66d93dcaddb23f6e95
Author: Florian Weimer <fweimer@redhat.com>
Date:   Wed Aug 30 16:20:20 2017 +0200

    Do not scale NPTL tests with available number of CPUs
    
    On very large multi-processor systems, creating hundreds of threads
    runs into a test time out.  The tests do not seem to benefit from
    massive over-scheduling.

Index: b/nptl/tst-cond16.c
===================================================================
--- a/nptl/tst-cond16.c
+++ b/nptl/tst-cond16.c
@@ -27,7 +27,7 @@ pthread_cond_t cv = PTHREAD_COND_INITIAL
 pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
 bool n, exiting;
 FILE *f;
-int count;
+enum { count = 8 };		/* Number of worker threads.  */
 
 void *
 tf (void *dummy)
@@ -70,11 +70,6 @@ do_test (void)
       return 1;
     }
 
-  count = sysconf (_SC_NPROCESSORS_ONLN);
-  if (count <= 0)
-    count = 1;
-  count *= 4;
-
   pthread_t th[count];
   pthread_attr_t attr;
   int i, ret, sz;
Index: b/nptl/tst-cond18.c
===================================================================
--- a/nptl/tst-cond18.c
+++ b/nptl/tst-cond18.c
@@ -27,7 +27,8 @@
 pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
 pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
 bool exiting;
-int fd, count, spins, nn;
+int fd, spins, nn;
+enum { count = 8 };		/* Number of worker threads.  */
 
 void *
 tf (void *id)
@@ -81,11 +82,6 @@ do_test (void)
       return 1;
     }
 
-  count = sysconf (_SC_NPROCESSORS_ONLN);
-  if (count <= 0)
-    count = 1;
-  count *= 8;
-
   pthread_t th[count + 1];
   pthread_attr_t attr;
   int i, ret, sz;