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Searched refs:rand (Results 1 – 25 of 84) sorted by relevance

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/Linux-v5.4/tools/testing/radix-tree/
Dmain.c58 __gang_check(start, rand() % 113 + 1, rand() % 71, in __big_gang_check()
59 rand() % 157, rand() % 91 + 1); in __big_gang_check()
61 start += rand() % 1000000; in __big_gang_check()
164 start = rand(); in copy_tag_check()
165 end = rand(); in copy_tag_check()
166 if (start > end && (rand() % 10)) { in copy_tag_check()
173 cur = rand(); in copy_tag_check()
203 idx[i] = rand(); in copy_tag_check()
207 if (rand() & 1) { in copy_tag_check()
225 tmp = rand() % (count / 10 + 2); in copy_tag_check()
Dtag_check.c180 index = rand() % THRASH_SIZE; in do_thrash()
192 index = rand() % THRASH_SIZE; in do_thrash()
210 index = rand() % THRASH_SIZE; in do_thrash()
225 index = rand() % THRASH_SIZE; in do_thrash()
/Linux-v5.4/arch/x86/kernel/
Despfix_64.c97 unsigned long rand; in init_espfix_random() local
103 if (!arch_get_random_long(&rand)) { in init_espfix_random()
105 rand = rdtsc(); in init_espfix_random()
106 rand *= 0xc345c6b72fd16123UL; in init_espfix_random()
109 slot_random = rand % ESPFIX_STACKS_PER_PAGE; in init_espfix_random()
110 page_random = (rand / ESPFIX_STACKS_PER_PAGE) in init_espfix_random()
/Linux-v5.4/tools/testing/selftests/vm/
Dmlock-random-test.c161 int is_mlock = !!(rand() % 2); in test_mlock_within_limit()
162 int lock_size = rand() % alloc_size; in test_mlock_within_limit()
163 int start_offset = rand() % (alloc_size - lock_size); in test_mlock_within_limit()
232 int is_mlock = !!(rand() % 2); in test_mlock_outof_limit()
233 int lock_size = (rand() % (alloc_size - cur.rlim_cur)) in test_mlock_outof_limit()
235 int start_offset = rand() % (alloc_size - lock_size); in test_mlock_outof_limit()
/Linux-v5.4/tools/testing/selftests/bpf/
Dbpf_rand.h11 return (((uint64_t)(uint32_t)rand()) | in bpf_rand_mask()
12 ((uint64_t)(uint32_t)rand() << 32)) & mask; in bpf_rand_mask()
37 switch (rand() % 39) { in bpf_semi_rand_get()
Dtest_lpm_map.c183 rand() % 0xff, in test_lpm_order()
184 rand() % 0xff, in test_lpm_order()
185 }, rand() % 16 + 1); in test_lpm_order()
191 uint8_t key[] = { rand() % 0xff, rand() % 0xff }; in test_lpm_order()
245 value[j] = rand() & 0xff; in test_lpm_map()
246 value[keysize] = rand() % (8 * keysize + 1); in test_lpm_map()
258 data[j] = rand() & 0xff; in test_lpm_map()
295 data[j] = rand() & 0xff; in test_lpm_map()
/Linux-v5.4/tools/testing/selftests/powerpc/ptrace/
Dptrace-tm-spd-vsx.c135 fp_load[i] = 1 + rand(); in ptrace_tm_spd_vsx()
136 fp_load_new[i] = 1 + 2 * rand(); in ptrace_tm_spd_vsx()
137 fp_load_ckpt[i] = 1 + 3 * rand(); in ptrace_tm_spd_vsx()
138 fp_load_ckpt_new[i] = 1 + 4 * rand(); in ptrace_tm_spd_vsx()
Dptrace-tm-vsx.c119 fp_load[i] = 1 + rand(); in ptrace_tm_vsx()
120 fp_load_ckpt[i] = 1 + 2 * rand(); in ptrace_tm_vsx()
121 fp_load_ckpt_new[i] = 1 + 3 * rand(); in ptrace_tm_vsx()
Dptrace-vsx.c67 fp_load[i] = i + rand(); in ptrace_vsx()
70 fp_load_new[i] = i + 2 * rand(); in ptrace_vsx()
/Linux-v5.4/arch/x86/mm/
Dkaslr.c78 unsigned long rand, memory_tb; in kernel_randomize_memory() local
136 prandom_bytes_state(&rand_state, &rand, sizeof(rand)); in kernel_randomize_memory()
137 entropy = (rand % (entropy + 1)) & PUD_MASK; in kernel_randomize_memory()
/Linux-v5.4/tools/testing/selftests/net/
Dip_defrag.c245 if (!cfg_overlap && (rand() % 100 < 15)) { in send_udp_frags()
255 if (!cfg_overlap && (rand() % 100 < 20) && in send_udp_frags()
280 if (rand() % 100 == 1) in send_udp_frags()
299 offset = rand() % (payload_len / 2); in send_udp_frags()
300 frag_len = 2 * max_frag_len + 1 + rand() % 256; in send_udp_frags()
328 if (rand() % 100 == 1) in send_udp_frags()
364 payload_len += (rand() % 4096)) { in run_test()
375 rand() % (1500 - FRAG_HLEN - min_frag_len); in run_test()
389 max_frag_len += 8 * (rand() % 8); in run_test()
/Linux-v5.4/mm/
Dshuffle.c189 static u64 rand; in add_to_free_area_random() local
198 rand = get_random_u64(); in add_to_free_area_random()
201 if (rand & 1) in add_to_free_area_random()
206 rand >>= 1; in add_to_free_area_random()
/Linux-v5.4/net/rds/
Dthreads.c126 unsigned long rand; in rds_queue_reconnect() local
148 get_random_bytes(&rand, sizeof(rand)); in rds_queue_reconnect()
150 rand % cp->cp_reconnect_jiffies, cp->cp_reconnect_jiffies, in rds_queue_reconnect()
155 rand % cp->cp_reconnect_jiffies); in rds_queue_reconnect()
/Linux-v5.4/tools/perf/tests/
Dwp.c68 unsigned long tmp, tmp1 = rand(); in wp_ro_test()
87 unsigned long tmp, tmp1 = rand(); in wp_wo_test()
106 unsigned long tmp, tmp1 = rand(); in wp_rw_test()
126 unsigned long tmp = rand(); in wp_modify_test()
/Linux-v5.4/tools/testing/selftests/powerpc/dscr/
Ddscr_explicit_test.c29 double ret = uniform_deviate(rand()); in dscr_explicit()
46 ret = uniform_deviate(rand()); in dscr_explicit()
/Linux-v5.4/samples/bpf/
Dmap_perf_test_user.c375 key->prefixlen = rand() % 33; in fill_lpm_trie()
376 key->data[0] = rand() & 0xff; in fill_lpm_trie()
377 key->data[1] = rand() & 0xff; in fill_lpm_trie()
378 key->data[2] = rand() & 0xff; in fill_lpm_trie()
379 key->data[3] = rand() & 0xff; in fill_lpm_trie()
Dhbm_edt_kern.c132 unsigned int rand = bpf_get_prandom_u32(); in _hbm_out_cg() local
135 (rand % MARK_REGION_SIZE_NS)) { in _hbm_out_cg()
Dhbm_out_kern.c149 unsigned int rand = bpf_get_prandom_u32(); in _hbm_out_cg() local
152 (rand % MARK_REGION_SIZE)) { in _hbm_out_cg()
/Linux-v5.4/tools/testing/selftests/sync/
Dsync_stress_merge.c64 timeline_offset = rand() % timeline_count; in test_merge_stress_random_merge()
66 sync_point = rand(); in test_merge_stress_random_merge()
/Linux-v5.4/net/rose/
Drose_subr.c259 facilities->rand = ((p[1] << 8) & 0xFF00) + ((p[2] << 0) & 0x00FF); in rose_parse_national()
443 if (rose->rand != 0 || rose->source_ndigis == 1 || rose->dest_ndigis == 1) { in rose_create_facilities()
447 if (rose->rand != 0) { in rose_create_facilities()
449 *p++ = (rose->rand >> 8) & 0xFF; in rose_create_facilities()
450 *p++ = (rose->rand >> 0) & 0xFF; in rose_create_facilities()
/Linux-v5.4/tools/testing/selftests/timers/
Dfreq-step.c163 usleep(rand() % 2000000 * STEP_INTERVAL / 10); in run_test()
168 usleep(rand() % 2000000 * MEAN_SAMPLE_INTERVAL); in run_test()
251 freq_base = (rand() % (1 << 24) - (1 << 23)) / 65536e6; in main()
/Linux-v5.4/kernel/locking/
Dlocktorture.c622 static DEFINE_TORTURE_RANDOM(rand); in lock_torture_writer()
628 if ((torture_random(&rand) & 0xfffff) == 0) in lock_torture_writer()
631 cxt.cur_ops->task_boost(&rand); in lock_torture_writer()
640 cxt.cur_ops->write_delay(&rand); in lock_torture_writer()
659 static DEFINE_TORTURE_RANDOM(rand); in lock_torture_reader()
665 if ((torture_random(&rand) & 0xfffff) == 0) in lock_torture_reader()
674 cxt.cur_ops->read_delay(&rand); in lock_torture_reader()
/Linux-v5.4/net/bluetooth/
Dsmp.h85 __le64 rand; member
194 int smp_generate_oob(struct hci_dev *hdev, u8 hash[16], u8 rand[16]);
/Linux-v5.4/include/net/
Drose.h123 unsigned int rand; member
135 unsigned int lci, rand; member
/Linux-v5.4/kernel/rcu/
Drcutorture.c948 static DEFINE_TORTURE_RANDOM(rand); in rcu_torture_writer()
1005 udelay(torture_random(&rand) & 0x3ff); in rcu_torture_writer()
1018 switch (synctype[torture_random(&rand) % nsynctypes]) { in rcu_torture_writer()
1031 i = torture_random(&rand) % 16; in rcu_torture_writer()
1034 udelay(torture_random(&rand) % 1000); in rcu_torture_writer()
1053 !(torture_random(&rand) & 0xff & (!!expediting - 1))) { in rcu_torture_writer()
1100 DEFINE_TORTURE_RANDOM(rand); in rcu_torture_fakewriter()
1106 schedule_timeout_uninterruptible(1 + torture_random(&rand)%10); in rcu_torture_fakewriter()
1107 udelay(torture_random(&rand) & 0x3ff); in rcu_torture_fakewriter()
1109 torture_random(&rand) % (nfakewriters * 8) == 0) { in rcu_torture_fakewriter()
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