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Searched refs:pread (Results 1 – 25 of 48) sorted by relevance

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/linux/tools/testing/selftests/intel_pstate/
H A Daperf.c66 pread(fd, &old_tsc, sizeof(old_tsc), 0x10); in main()
67 pread(fd, &old_aperf, sizeof(old_mperf), 0xe7); in main()
68 pread(fd, &old_mperf, sizeof(old_aperf), 0xe8); in main()
78 pread(fd, &new_tsc, sizeof(new_tsc), 0x10); in main()
79 pread(fd, &new_aperf, sizeof(new_mperf), 0xe7); in main()
80 pread(fd, &new_mperf, sizeof(new_aperf), 0xe8); in main()
H A Dmsr.c36 pread(fd, &msr, sizeof(msr), 0x199); in main()
/linux/include/media/
H A Ddvb_ringbuffer.h44 ssize_t pread; member
126 ((rbuf)->data[((rbuf)->pread + (offs)) % (rbuf)->size])
135 (rbuf)->pread = ((rbuf)->pread + (num)) % (rbuf)->size;\
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dtest_veristat.c197 pread(fix->fd, fix->output, fix->sz, 0); in test_array_index_for_non_array()
204 pread(fix->fd, fix->output, fix->sz, 0); in test_array_index_for_non_array()
219 pread(fix->fd, fix->output, fix->sz, 0); in test_no_array_index_for_array()
226 pread(fix->fd, fix->output, fix->sz, 0); in test_no_array_index_for_array()
/linux/tools/testing/selftests/turbostat/
H A Dsmi_aperf_mperf.py6 from os import pread
58 if len(pread(file_msr.fileno(), 8, MSR_IA32_MPERF)) != 8:
61 if len(pread(file_msr.fileno(), 8, MSR_IA32_APERF)) != 8:
H A Dadded_perf_counters.py6 from os import pread
/linux/tools/testing/selftests/mm/
H A Dvm_util.c29 ret = pread(fd, &entry, sizeof(entry), pfn * sizeof(entry)); in pagemap_get_entry()
282 if (pread(pagemap_fd, ent, sizeof(ent), in allocate_transhuge()
345 count = pread(kpageflags_fd, flags, sizeof(*flags), in pageflags_get()
592 ret = pread(fd, buf, sizeof(buf), 0); in detect_huge_zeropage()
616 read_size = pread(proc_self_ksm_stat_fd, buf, sizeof(buf) - 1, 0); in ksm_get_self_zero_pages()
642 ret = pread(proc_self_ksm_merging_pages_fd, buf, sizeof(buf) - 1, 0); in ksm_get_self_merging_pages()
661 ret = pread(ksm_full_scans_fd, buf, sizeof(buf) - 1, 0); in ksm_get_full_scans()
H A Dmemfd_secret.c53 (pread(fd, buf, sizeof(buf), 0) >= 0) || in test_file_apis()
/linux/tools/testing/selftests/powerpc/papr_vpd/
H A Dpapr_vpd.c54 ssize_t consumed = pread(fd, buf, size, 0); in dev_papr_vpd_get_handle_all()
203 ssize_t consumed = pread(fd, bufs[i], size, 0); in papr_vpd_reread()
286 ssize_t consumed = pread(fd, buf, size, 0); in papr_vpd_system_loc_code()
/linux/tools/testing/selftests/kvm/
H A Dkvm_binary_stats_test.c44 ret = pread(stats_fd, id, header.name_size, sizeof(header)); in stats_test()
156 ret = pread(stats_fd, stats_data, size_data, header.data_offset); in stats_test()
H A Daccess_tracking_perf_test.c115 TEST_ASSERT(pread(fd, &value, sizeof(value), offset) == sizeof(value), in pread_uint64()
116 "pread from %s offset 0x%" PRIx64 " failed!", in pread_uint64()
/linux/tools/testing/selftests/proc/
H A Dproc-uptime.h45 rv = pread(fd, buf, sizeof(buf), 0); in proc_uptime()
/linux/tools/lib/perf/
H A Dlib.c46 ssize_t ret = pread(fd, buf, left, offs); in preadn()
/linux/tools/hv/
H A Dhv_fcopy_daemon.c
H A Dhv_fcopy_uio_daemon.c527 ret = pread(fcopy_fd, &tmp, sizeof(int), 0); in main()
/linux/tools/testing/selftests/kvm/x86/
H A Daperfmperf_test.c43 rc = pread(msr_fd, &data, sizeof(data), msr); in read_dev_msr()
/linux/tools/perf/util/
H A Ddso.c1003 ret = pread(dso__data(dso)->fd, data, DSO__DATA_CACHE_SIZE, offset); in file_read()
1237 if (pread(fd, &e_ident, sizeof(e_ident), 0) != sizeof(e_ident)) in dso__read_e_machine()
1264 if (pread(fd, &e_machine, sizeof(e_machine), 18) != sizeof(e_machine)) in dso__read_e_machine()
1283 if (pread(fd, e_flags, sizeof(*e_flags), offset) != sizeof(*e_flags)) { in dso__read_e_machine()
1925 count = pread(fd, code_buf, len, data.offset); in __dso__read_symbol()
/linux/tools/testing/selftests/kvm/arm64/
H A Dsea_to_user.c70 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) { in translate_to_host_paddr()
/linux/arch/um/drivers/
H A Dvfio_user.c285 if (pread(dev->device, buf, size, dev->region[index].offset + offset) < 0) in vfio_region_read()
H A Dcow_user.c273 return pread(fd, buf, len, offset); in file_reader()
/linux/Documentation/translations/zh_TW/filesystems/
H A Dsysfs.txt201 向後搜索到零或使用‘0’偏移執行一個pread(2)操作，show()方法將
/linux/Documentation/translations/zh_CN/filesystems/
H A Dsysfs.txt198 向后搜索到零或使用‘0’偏移执行一个pread(2)操作，show()方法将
/linux/drivers/gpu/drm/i915/gem/
H A Di915_gem_userptr.c395 .pread = i915_gem_userptr_pread,
/linux/tools/testing/selftests/vfio/lib/
H A Dvfio_pci_device.c194 ret = pread(device->fd, data, size, config_space->offset + config); in vfio_pci_config_access()
/linux/drivers/gpu/drm/i915/
H A Di915_gem.c489 if (obj->ops->pread) in i915_gem_pread_ioctl()
490 ret = obj->ops->pread(obj, args); in i915_gem_pread_ioctl()

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