Benchtests: Add bench for pthread_spin_{try}lock and mutex_trylock

Reuses infrastructure from previous pthread_mutex_lock benchmarks to
test other performance sensitive functions.

1 files changed, 37 insertions, 0 deletions

diff --git a/benchtests/bench-pthread-mutex-trylock.c b/benchtests/bench-pthread-mutex-trylock.c
new file mode 100644
index 0000000000..66318f499f
--- /dev/null
+++ b/benchtests/bench-pthread-mutex-trylock.c
@@ -0,0 +1,37 @@
+/* Measure mutex_trylock for different threads and critical sections.
+   Copyright (C) 2022 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#define LOCK(lock)                                                            \
+  while (pthread_mutex_trylock (lock) != 0)                                   \
+    {                                                                         \
+      non_critical_section (non_crt_len);                                     \
+    }
+
+#define UNLOCK(lock) pthread_mutex_unlock (lock)
+#define LOCK_INIT(lock, attr) pthread_mutex_init (lock, attr)
+#define LOCK_DESTROY(lock) pthread_mutex_destroy (lock)
+#define LOCK_ATTR_INIT(attr)                                                  \
+  pthread_mutexattr_init (attr);                                              \
+  pthread_mutexattr_settype (attr, PTHREAD_MUTEX_ADAPTIVE_NP);
+
+#define bench_lock_t pthread_mutex_t
+#define bench_lock_attr_t pthread_mutexattr_t
+
+#define TEST_NAME "pthread-mutex-trylock"
+
+#include "bench-pthread-lock-base.c"