#include <sys/syscall.h>
#include <unistd.h>
#include <fcntl.h>
+#include <errno.h>
+#include <sched.h>
#include <linux/unistd.h>
#include <linux/raw.h>
#include <linux/major.h>
+#include "indirect.h"
+
#define FIO_HAVE_LIBAIO
#define FIO_HAVE_POSIXAIO
#define FIO_HAVE_FADVISE
#define FIO_HAVE_ODIRECT
#define FIO_HAVE_HUGETLB
#define FIO_HAVE_RAWBIND
-
-#define OS_MAP_ANON (MAP_ANONYMOUS)
+#define FIO_HAVE_BLKTRACE
+#define FIO_HAVE_STRSEP
+#define FIO_HAVE_FALLOCATE
+#define FIO_HAVE_POSIXAIO_FSYNC
+#define FIO_HAVE_PSHARED_MUTEX
+#define FIO_HAVE_CL_SIZE
+#define FIO_HAVE_CGROUPS
+#define FIO_HAVE_FDATASYNC
+#define FIO_HAVE_SYNC_FILE_RANGE
+
+#define OS_MAP_ANON MAP_ANONYMOUS
+
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC 1
+#endif
typedef cpu_set_t os_cpu_mask_t;
+
typedef struct drand48_data os_random_state_t;
/*
* we want fadvise64 really, but it's so tangled... later
*/
+#ifdef FIO_HAVE_FADVISE
#define fadvise(fd, off, len, advice) \
posix_fadvise((fd), (off_t)(off), (len), (advice))
+#endif
-#define fio_setaffinity(td) \
- sched_setaffinity((td)->pid, sizeof((td)->o.cpumask), &(td)->o.cpumask)
+/*
+ * If you are on an ancient glibc (2.3.2), then define GLIBC_2_3_2 if you want
+ * the affinity helpers to work.
+ */
+#ifndef GLIBC_2_3_2
+#define fio_setaffinity(pid, cpumask) \
+ sched_setaffinity((pid), sizeof(cpumask), &(cpumask))
#define fio_getaffinity(pid, ptr) \
sched_getaffinity((pid), sizeof(cpu_set_t), (ptr))
+#else
+#define fio_setaffinity(pid, cpumask) \
+ sched_setaffinity((pid), &(cpumask))
+#define fio_getaffinity(pid, ptr) \
+ sched_getaffinity((pid), (ptr))
+#endif
+
+#define fio_cpu_clear(mask, cpu) CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu) CPU_SET((cpu), (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
static inline int ioprio_set(int which, int who, int ioprio)
{
#define SPLICE_F_GIFT (0x08) /* pages passed in are a gift */
static inline int splice(int fdin, loff_t *off_in, int fdout, loff_t *off_out,
- size_t len, unsigned long flags)
+ size_t len, unsigned int flags)
{
return syscall(__NR_sys_splice, fdin, off_in, fdout, off_out, len, flags);
}
static inline struct syslet_uatom *
async_exec(struct syslet_uatom *atom, struct async_head_user *ahu)
{
- return (void *) syscall(__NR_async_exec, atom, ahu);
+ return (struct syslet_uatom *) syscall(__NR_async_exec, atom, ahu);
}
static inline long
}
#endif /* FIO_HAVE_SYSLET */
+enum {
+ IOPRIO_CLASS_NONE,
+ IOPRIO_CLASS_RT,
+ IOPRIO_CLASS_BE,
+ IOPRIO_CLASS_IDLE,
+};
+
enum {
IOPRIO_WHO_PROCESS = 1,
IOPRIO_WHO_PGRP,
IOPRIO_WHO_USER,
};
+#define IOPRIO_BITS 16
#define IOPRIO_CLASS_SHIFT 13
#ifndef BLKGETSIZE64
return val;
}
-static inline double os_random_double(os_random_state_t *rs)
-{
- double val;
-
- drand48_r(rs, &val);
- return val;
-}
-
static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
{
struct raw_config_request rq;
return 0;
}
+#ifdef O_NOATIME
+#define FIO_O_NOATIME O_NOATIME
+#else
+#define FIO_O_NOATIME 0
+#endif
+
+#ifdef MADV_REMOVE
+#define FIO_MADV_FREE MADV_REMOVE
+#endif
+
+#define CACHE_LINE_FILE \
+ "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"
+
+static inline int arch_cache_line_size(void)
+{
+ char size[32];
+ int fd, ret;
+
+ fd = open(CACHE_LINE_FILE, O_RDONLY);
+ if (fd < 0)
+ return -1;
+
+ ret = read(fd, size, sizeof(size));
+
+ close(fd);
+
+ if (ret <= 0)
+ return -1;
+ else
+ return atoi(size);
+}
+
#endif