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/tools/testing/selftests/mm/
A Dmap_hugetlb.c24 static void write_bytes(char *addr, size_t length) in write_bytes() argument
28 for (i = 0; i < length; i++) in write_bytes()
32 static void read_bytes(char *addr, size_t length) in read_bytes() argument
37 for (i = 0; i < length; i++) in read_bytes()
48 size_t length = LENGTH; in main() local
54 if (hugepage_size > length) in main()
55 length = hugepage_size; in main()
61 length = atol(argv[1]) << 20; in main()
80 write_bytes(addr, length); in main()
81 read_bytes(addr, length); in main()
[all …]
A Dhugepage-mremap.c101 size_t length = 0; in main() local
114 length = (size_t)atoi(argv[1]); in main()
116 length = DEFAULT_LENGTH_MB; in main()
118 length = MB_TO_BYTES(length); in main()
125 void *haddr = mmap((void *)suggested_addr, length, PROTECTION, in main()
146 register_region_with_uffd(haddr, length); in main()
148 void *addr = mremap(haddr, length, length, in main()
155 write_bytes(addr, length); in main()
156 ret = read_bytes(addr, length); in main()
158 munmap(addr, length); in main()
[all …]
/tools/include/nolibc/sys/
A Dmman.h18 void *sys_mmap(void *addr, size_t length, int prot, int flags, int fd, in sys_mmap() argument
30 return (void *)my_syscall6(n, addr, length, prot, flags, fd, offset); in sys_mmap()
40 void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset) in mmap() argument
42 void *ret = sys_mmap(addr, length, prot, flags, fd, offset); in mmap()
71 int sys_munmap(void *addr, size_t length) in sys_munmap() argument
73 return my_syscall2(__NR_munmap, addr, length); in sys_munmap()
77 int munmap(void *addr, size_t length) in munmap() argument
79 return __sysret(sys_munmap(addr, length)); in munmap()
/tools/firewire/
A Dnosy-dump.c143 sa->length = length; in subaction_create()
621 if (length == 0) { in handle_packet()
669 if (length > 128) in dump_data()
672 print_length = length; in dump_data()
679 if (print_length < length) in dump_data()
750 if (length == 4) { in print_packet()
835 if (length == 0) in print_stats()
899 int length, retval, view; in main() local
975 if (fread(&length, sizeof length, 1, input) != 1) in main()
997 fwrite(&length, sizeof length, 1, output); in main()
[all …]
/tools/testing/selftests/bpf/progs/
A Dtest_jhash.h36 u32 jhash(const void *key, u32 length, u32 initval) in jhash() argument
41 a = b = c = JHASH_INITVAL + length + initval; in jhash()
43 while (length > 12) { in jhash()
48 length -= 12; in jhash()
51 switch (length) { in jhash()
73 static __always_inline u32 jhash2(const u32 *k, u32 length, u32 initval) in jhash2() argument
78 a = b = c = JHASH_INITVAL + (length<<2) + initval; in jhash2()
81 while (length > 3) { in jhash2()
86 length -= 3; in jhash2()
91 switch (length) { in jhash2()
A Dloop6.c32 unsigned int length; member
83 bpf_probe_read_kernel(&len, sizeof(len), &sgp->length); in BPF_KPROBE()
93 bpf_probe_read_kernel(&len, sizeof(len), &sgp->length); in BPF_KPROBE()
/tools/include/linux/
A Djhash.h70 static inline u32 jhash(const void *key, u32 length, u32 initval) in jhash() argument
76 a = b = c = JHASH_INITVAL + length + initval; in jhash()
79 while (length > 12) { in jhash()
84 length -= 12; in jhash()
89 switch (length) { in jhash()
117 static inline u32 jhash2(const u32 *k, u32 length, u32 initval) in jhash2() argument
122 a = b = c = JHASH_INITVAL + (length<<2) + initval; in jhash2()
125 while (length > 3) { in jhash2()
130 length -= 3; in jhash2()
135 switch (length) { in jhash2()
/tools/perf/util/intel-pt-decoder/
A Dintel-pt-insn-decoder.c38 intel_pt_insn->length = insn->length; in intel_pt_insn_decoder()
97 intel_pt_insn->length = insn->length; in intel_pt_insn_decoder()
164 intel_pt_insn->length = insn->length; in intel_pt_insn_decoder()
198 if (ret < 0 || insn.length > len) in intel_pt_get_insn()
202 if (insn.length < INTEL_PT_INSN_BUF_SZ) in intel_pt_get_insn()
203 memcpy(intel_pt_insn->buf, buf, insn.length); in intel_pt_get_insn()
228 if (ret < 0 || insn.length > inlen) in dump_insn()
231 *lenp = insn.length; in dump_insn()
235 for (i = 0; i < insn.length; i++) { in dump_insn()
/tools/testing/selftests/iommu/
A Diommufd_utils.h71 if (ftruncate(mfd, length)) in memfd_mmap()
401 .length = length, in _test_cmd_get_dirty_bitmap()
428 .length = length, in _test_cmd_mock_domain_set_dirty()
588 .length = length, in _test_ioctl_ioas_map()
653 size_t length, uint64_t *out_len) in _test_ioctl_ioas_unmap() argument
659 .length = length, in _test_ioctl_ioas_unmap()
665 *out_len = cmd.length; in _test_ioctl_ioas_unmap()
670 length, NULL))
678 iova, length, NULL))
690 .length = length, in _test_ioctl_ioas_map_file()
[all …]
/tools/testing/nvdimm/test/
A Dnfit.c542 ars_status->length = len; in post_ars_status()
584 ars_start->length); in nfit_test_cmd_ars_start()
2015 spa->length = SPA0_SIZE; in nfit_test0_setup()
2029 spa->length = SPA1_SIZE; in nfit_test0_setup()
2039 spa->length = DCR_SIZE; in nfit_test0_setup()
2049 spa->length = DCR_SIZE; in nfit_test0_setup()
2059 spa->length = DCR_SIZE; in nfit_test0_setup()
2069 spa->length = DCR_SIZE; in nfit_test0_setup()
3021 .length = test_val, in nfit_ctl_test()
3043 .length = test_val, in nfit_ctl_test()
[all …]
/tools/testing/selftests/ia64/
A Daliasing-test.c24 static int map_mem(char *path, off_t offset, size_t length, int touch) in map_mem() argument
42 addr = mmap(NULL, length, PROT_READ|PROT_WRITE, MAP_SHARED, fd, offset); in map_mem()
48 while (c < (int *) (addr + length)) in map_mem()
52 rc = munmap(addr, length); in map_mem()
62 static int scan_tree(char *path, char *file, off_t offset, size_t length, int touch) in scan_tree() argument
89 rc = map_mem(path2, offset, length, touch); in scan_tree()
91 …fprintf(stderr, "PASS: %s 0x%lx-0x%lx is %s\n", path2, offset, offset + length, touch ? "readable"… in scan_tree()
93 fprintf(stderr, "PASS: %s 0x%lx-0x%lx not mappable\n", path2, offset, offset + length); in scan_tree()
95 fprintf(stderr, "FAIL: %s 0x%lx-0x%lx not accessible\n", path2, offset, offset + length); in scan_tree()
101 rc = scan_tree(path2, file, offset, length, touch); in scan_tree()
/tools/usb/usbip/libsrc/
A Dsysfs_utils.c14 int length; in write_sysfs_attribute() local
22 length = write(fd, new_value, len); in write_sysfs_attribute()
23 if (length < 0) { in write_sysfs_attribute()
/tools/power/acpi/os_specific/service_layers/
A Dosunixmap.c63 void *acpi_os_map_memory(acpi_physical_address where, acpi_size length) in acpi_os_map_memory() argument
83 mapped_memory = mmap(NULL, (length + offset), PROT_READ, MMAP_FLAGS, in acpi_os_map_memory()
109 void acpi_os_unmap_memory(void *where, acpi_size length) in acpi_os_unmap_memory() argument
116 munmap((u8 *)where - offset, (length + offset)); in acpi_os_unmap_memory()
/tools/testing/selftests/timers/
A Dnanosleep.c121 long long length; in main() local
140 length = 10; in main()
141 while (length <= (NSEC_PER_SEC * 10)) { in main()
142 ret = nanosleep_test(clockid, length); in main()
151 length *= 100; in main()
A Dnsleep-lat.c133 long long length; in main() local
148 length = 10; in main()
149 while (length <= (NSEC_PER_SEC * 10)) { in main()
150 ret = nanosleep_lat_test(clockid, length); in main()
153 length *= 100; in main()
/tools/testing/selftests/arm64/fp/
A DREADME7 sve-probe-vls - Checks the SVE vector length enumeration interface
28 Vector length: 512 bits
31 Vector length: 512 bits
34 Vector length: 512 bits
37 Vector length: 512 bits
40 Vector length: 512 bits
43 Vector length: 512 bits
46 Vector length: 512 bits
49 Vector length: 512 bits
52 Vector length: 512 bits
/tools/perf/util/
A Dsymbol_fprintf.c25 size_t length; in __symbol__fprintf_symname_offs() local
28 length = fprintf(fp, "%s", sym->name); in __symbol__fprintf_symname_offs()
34 length += fprintf(fp, "+0x%lx", offset); in __symbol__fprintf_symname_offs()
36 return length; in __symbol__fprintf_symname_offs()
A Dstring.c25 s64 length; in perf_atoll() local
32 length = strtoll(str, &p, 10); in perf_atoll()
40 return length; in perf_atoll()
45 length <<= 10; in perf_atoll()
48 length <<= 20; in perf_atoll()
51 length <<= 30; in perf_atoll()
54 length <<= 40; in perf_atoll()
65 return length; in perf_atoll()
A Darm64-frame-pointer-unwind-support.c15 size_t length; member
33 entries->stack[entries->length++] = entry->ip; in add_entry()
66 if (ret || entries.length != 2) in get_leaf_frame_caller_aarch64()
/tools/power/acpi/tools/acpidump/
A Dapdump.c46 if (table->length < sizeof(struct acpi_table_header)) { in ap_is_valid_header()
48 table->length); in ap_is_valid_header()
83 status = acpi_ut_verify_checksum(table, table->length); in ap_is_valid_checksum()
123 return (table->length); in ap_get_table_length()
386 if (table->length > file_size) { in ap_dump_table_from_file()
389 table->length, file_size, pathname); in ap_dump_table_from_file()
/tools/usb/
A Dffs-test.c241 length = le32_to_cpu(in->header.length); in descs_to_legacy()
242 if (length <= sizeof in->header) in descs_to_legacy()
244 length -= sizeof in->header; in descs_to_legacy()
253 if (length < 4) \ in descs_to_legacy()
256 length -= 4; \ in descs_to_legacy()
278 if (length < *descs_end) in descs_to_legacy()
280 length -= *descs_end; in descs_to_legacy()
295 out = malloc(length); in descs_to_legacy()
297 out->header.length = cpu_to_le32(length); in descs_to_legacy()
304 return length; in descs_to_legacy()
[all …]
/tools/testing/selftests/net/
A Dtcp_mmap.c109 while (length >= 8*sizeof(long)) { in hash_zone()
120 length -= 8*sizeof(long); in hash_zone()
122 while (length >= 1) { in hash_zone()
125 length--; in hash_zone()
231 if (zc.length) { in child_thread()
232 assert(zc.length <= chunk_size); in child_thread()
234 EVP_DigestUpdate(ctx, addr, zc.length); in child_thread()
235 total_mmap += zc.length; in child_thread()
237 hash_zone(addr, zc.length); in child_thread()
241 madvise(addr, zc.length, MADV_DONTNEED); in child_thread()
[all …]
/tools/perf/arch/x86/util/
A Darchinsn.c25 if (ret >= 0 && insn.length <= len) in arch_fetch_insn()
26 sample->insn_len = insn.length; in arch_fetch_insn()
/tools/virtio/linux/
A Dscatterlist.h10 unsigned int length; member
64 sg->length = len; in sg_set_page()
98 prv[prv_nents - 1].length = 0; in sg_chain()
/tools/testing/selftests/net/netfilter/packetdrill/
A Dconntrack_synack_old.pkt4 …seq 2375731741, win 29200, options [mss 1460,sackOK,TS val 2083107423 ecr 0,nop,wscale 7], length 0
6 …0523, win 65535, options [mss 8952,nop,wscale 5,TS val 3215437785 ecr 2082921663,nop,nop], length 0
8 …ck 1, win 65535, options [mss 8952,nop,wscale 5,TS val 3215443451 ecr 2082921663,nop,nop], length 0
10 …seq 2375731741, win 29200, options [mss 1460,sackOK,TS val 2083115583 ecr 0,nop,wscale 7], length 0
13 …1742, win 65535, options [mss 8952,nop,wscale 5,TS val 3215445754 ecr 2083115583,nop,nop], length 0

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