Enable CPU affinity support on Android

[fio.git] / os / os-android.h

diff --git a/os/os-android.h b/os/os-android.h
index 18eb39ce052884b58dedc2f8f7a256281ab8aa95..34534239fd417237a19b40d59d8397f05a406ed1 100644 (file)
--- a/os/os-android.h
+++ b/os/os-android.h
@@ -24,6 +24,7 @@
   #define __has_builtin(x) 0  // Compatibility with non-clang compilers.
 #endif
 
+#define FIO_HAVE_CPU_AFFINITY
 #define FIO_HAVE_DISK_UTIL
 #define FIO_HAVE_IOSCHED_SWITCH
 #define FIO_HAVE_IOPRIO
@@ -44,6 +45,13 @@
 
 #define OS_MAP_ANON            MAP_ANONYMOUS
 
+typedef cpu_set_t os_cpu_mask_t;
+
+#define fio_setaffinity(pid, cpumask)          \
+       sched_setaffinity((pid), sizeof(cpumask), &(cpumask))
+#define fio_getaffinity(pid, ptr)      \
+       sched_getaffinity((pid), sizeof(cpu_set_t), (ptr))
+
 #ifndef POSIX_MADV_DONTNEED
 #define posix_madvise   madvise
 #define POSIX_MADV_DONTNEED MADV_DONTNEED
@@ -64,9 +72,27 @@
        pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
 #endif
 
+#define fio_cpu_clear(mask, cpu)       CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu)         CPU_SET((cpu), (mask))
+#define fio_cpu_isset(mask, cpu)       (CPU_ISSET((cpu), (mask)) != 0)
+#define fio_cpu_count(mask)            CPU_COUNT((mask))
+
+static inline int fio_cpuset_init(os_cpu_mask_t *mask)
+{
+       CPU_ZERO(mask);
+       return 0;
+}
+
+static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
+{
+       return 0;
+}
+
+#define FIO_MAX_CPUS                   CPU_SETSIZE
+
 #ifndef CONFIG_NO_SHM
 /*
- * Bionic doesn't support SysV shared memeory, so implement it using ashmem
+ * Bionic doesn't support SysV shared memory, so implement it using ashmem
  */
 #include <stdio.h>
 #include <linux/ashmem.h>
@@ -309,4 +335,8 @@ static inline int fio_set_sched_idle(void)
 }
 #endif
 
+#ifndef RWF_UNCACHED
+#define RWF_UNCACHED   0x00000040
+#endif
+
 #endif