#include <sys/mman.h>
#include <sys/uio.h>
#include <sys/syscall.h>
+#include <sys/sysmacros.h>
#include <sys/vfs.h>
#include <unistd.h>
#include <fcntl.h>
#include <asm/byteorder.h>
#include "./os-linux-syscall.h"
-#include "binject.h"
#include "../file.h"
#ifndef __has_builtin // Optional of course.
#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
#define FIO_HAVE_HUGETLB
#define FIO_HAVE_BLKTRACE
#define FIO_HAVE_CL_SIZE
+#define FIO_HAVE_CGROUPS
#define FIO_HAVE_FS_STAT
#define FIO_HAVE_TRIM
#define FIO_HAVE_GETTID
#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
#define MAP_HUGETLB 0x40000 /* arch specific */
#endif
-#ifndef CONFIG_NO_SHM
-/*
- * Bionic doesn't support SysV shared memeory, so implement it using ashmem
- */
-#include <stdio.h>
-#include <linux/ashmem.h>
-#include <linux/shm.h>
-#define shmid_ds shmid64_ds
-#define SHM_HUGETLB 04000
+#ifdef CONFIG_PTHREAD_GETAFFINITY
+#define FIO_HAVE_GET_THREAD_AFFINITY
+#define fio_get_thread_affinity(mask) \
+ pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
+#endif
-#define ASHMEM_DEVICE "/dev/ashmem"
+#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 shmctl(int __shmid, int __cmd, struct shmid_ds *__buf)
+static inline int fio_cpuset_init(os_cpu_mask_t *mask)
{
- int ret=0;
- if (__cmd == IPC_RMID)
- {
- int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
- struct ashmem_pin pin = {0 , length};
- ret = ioctl(__shmid, ASHMEM_UNPIN, &pin);
- close(__shmid);
- }
- return ret;
+ CPU_ZERO(mask);
+ return 0;
}
-static inline int shmget(key_t __key, size_t __size, int __shmflg)
+static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
{
- int fd,ret;
- char keybuf[11];
-
- fd = open(ASHMEM_DEVICE, O_RDWR);
- if (fd < 0)
- return fd;
-
- sprintf(keybuf,"%d",__key);
- ret = ioctl(fd, ASHMEM_SET_NAME, keybuf);
- if (ret < 0)
- goto error;
-
- ret = ioctl(fd, ASHMEM_SET_SIZE, __size);
- if (ret < 0)
- goto error;
-
- return fd;
-
-error:
- close(fd);
- return ret;
+ return 0;
}
-static inline void *shmat(int __shmid, const void *__shmaddr, int __shmflg)
-{
- size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
- ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0);
- *ptr = size; //save size at beginning of buffer, for use with munmap
- return &ptr[1];
-}
+#define FIO_MAX_CPUS CPU_SETSIZE
-static inline int shmdt (const void *__shmaddr)
-{
- size_t *ptr, size;
- ptr = (size_t *)__shmaddr;
- ptr--;
- size = *ptr; //find mmap size which we stored at the beginning of the buffer
- return munmap((void *)ptr, size + sizeof(size_t));
-}
-#endif
+#include "os-ashmem.h"
#define SPLICE_DEF_SIZE (64*1024)
#define IOPRIO_MIN_PRIO_CLASS 0
#define IOPRIO_MAX_PRIO_CLASS 3
-static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+static inline int ioprio_value(int ioprio_class, int ioprio)
{
/*
* If no class is set, assume BE
*/
- if (!ioprio_class)
- ioprio_class = IOPRIO_CLASS_BE;
+ if (!ioprio_class)
+ ioprio_class = IOPRIO_CLASS_BE;
- ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
- return syscall(__NR_ioprio_set, which, who, ioprio);
+ return (ioprio_class << IOPRIO_CLASS_SHIFT) | ioprio;
+}
+
+static inline bool ioprio_value_is_class_rt(unsigned int priority)
+{
+ return (priority >> IOPRIO_CLASS_SHIFT) == IOPRIO_CLASS_RT;
+}
+
+static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+{
+ return syscall(__NR_ioprio_set, which, who,
+ ioprio_value(ioprio_class, ioprio));
}
#ifndef BLKGETSIZE64
return (unsigned long long) pages * (unsigned long long) pagesize;
}
-typedef struct { unsigned short r[3]; } os_random_state_t;
-
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
-{
- rs->r[0] = seed & 0xffff;
- seed >>= 16;
- rs->r[1] = seed & 0xffff;
- seed >>= 16;
- rs->r[2] = seed & 0xffff;
- seed48(rs->r);
-}
-
-static inline long os_random_long(os_random_state_t *rs)
-{
- return nrand48(rs->r);
-}
-
#ifdef O_NOATIME
#define FIO_O_NOATIME O_NOATIME
#else
return ret;
}
-static inline int os_trim(int fd, unsigned long long start,
+static inline int os_trim(struct fio_file *f, unsigned long long start,
unsigned long long len)
{
uint64_t range[2];
range[0] = start;
range[1] = len;
- if (!ioctl(fd, BLKDISCARD, range))
+ if (!ioctl(f->fd, BLKDISCARD, range))
return 0;
return errno;
}
#endif
+#ifndef RWF_UNCACHED
+#define RWF_UNCACHED 0x00000040
+#endif
+
#endif
projects / fio.git / blobdiff