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/tools/testing/selftests/net/
A Dproc_net_pktgen.c155 len = write(self->ctrl_fd, wrong_ctrl_cmd, i); in TEST_F()
164 len = write(self->ctrl_fd, ctrl_cmd_stop, sizeof(ctrl_cmd_stop)); in TEST_F()
170 len = write(self->ctrl_fd, ctrl_cmd_start, sizeof(ctrl_cmd_start)); in TEST_F()
187 len = write(self->thr_fd, wrong_thr_cmd, i); in TEST_F()
197 len = write(self->thr_fd, legacy_thr_cmd, i); in TEST_F()
213 len = write(self->dev_fd, wrong_dev_cmd, i); in TEST_F()
503 len = write(self->dev_fd, dev_cmd_dst_0, sizeof(dev_cmd_dst_0)); in TEST_F()
587 len = write(self->dev_fd, dev_cmd_spi_0, sizeof(dev_cmd_spi_0)); in TEST_F()
665 len = write(self->dev_fd, dev_cmd_tos_0, sizeof(dev_cmd_tos_0)); in TEST_F()
668 len = write(self->dev_fd, dev_cmd_tos_1, sizeof(dev_cmd_tos_1)); in TEST_F()
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/tools/testing/selftests/kvm/x86/
A Dhyperv_features.c27 bool write; member
49 if (msr->write) in guest_msr()
67 if (msr->write) in guest_msr()
169 msr->write = false; in guest_test_msrs_access()
174 msr->write = false; in guest_test_msrs_access()
184 msr->write = true; in guest_test_msrs_access()
213 msr->write = true; in guest_test_msrs_access()
232 msr->write = true; in guest_test_msrs_access()
251 msr->write = true; in guest_test_msrs_access()
269 msr->write = true; in guest_test_msrs_access()
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/tools/testing/selftests/bpf/
A Dgenerate_udp_fragments.py33 f.write("// SPDX-License-Identifier: GPL-2.0\n")
35 f.write("\n")
36 f.write("#ifndef _IP_CHECK_DEFRAG_FRAGS_H\n")
37 f.write("#define _IP_CHECK_DEFRAG_FRAGS_H\n")
38 f.write("\n")
39 f.write("#include <stdint.h>\n")
40 f.write("\n")
52 f.write(f"\t{chunk},\n")
53 f.write(f"}};\n")
57 f.write("\n")
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/tools/perf/pmu-events/
A Djevents.py534 _args.output_file.write(
544 _args.output_file.write(f"""
590 _args.output_file.write(
599 _args.output_file.write(f"""
695 _args.output_file.write("""
792 _args.output_file.write("""{
804 _args.output_file.write("""
1297 _args.output_file.write("""
1302 _args.output_file.write(
1305 _args.output_file.write("""
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/tools/testing/selftests/net/packetdrill/
A Dtcp_blocking_blocking-write.pkt2 // Test for blocking write.
24 // A write of 60000 does not block.
25 +0...0.300 write(4, ..., 61000) = 61000 // this write() blocks
31 // This ACK should wakeup the write(). An ACK of 35001 does not.
A Dtcp_nagle_sockopt_cork_nodelay.pkt17 +0 write(4, ..., 40) = 40
18 +.05 write(4, ..., 40) = 40
28 +0 write(4, ..., 40) = 40
29 +.05 write(4, ..., 40) = 40
A Dtcp_user_timeout_user-timeout-probe.pkt18 +0 write(4, ..., 24) = 24
26 +0 write(4, ..., 24) = 24
31 +3.250 write(4, ..., 24) = 24
33 +.100 write(4, ..., 24) = -1 ETIMEDOUT (Connection timed out)
A Dtcp_sack_sack-route-refresh-ip-tos.pkt3 // cause problems matching SACKs with packets in the write queue.
17 +.01 write(3, ..., 5840) = 5840
21 +.01 write(3, ..., 5840) = 5840
25 +.01 write(3, ..., 14600) = 14600
A Dtcp_nagle_https_client.pkt20 +0 write(4, ..., 517) = 517
29 +0 write(4, ..., 51) = 51
31 +.03 write(4, ..., 2002) = 2002
/tools/testing/selftests/bpf/prog_tests/
A Dctx_rewrite.c50 char *write; member
80 .write = "r11 = *(u8 *)($ctx + sk_buff::__mono_tc_offset);"
91 .write = "*(u32 *)($ctx + sk_buff::priority) = $src;",
96 .write = "*(u32 *)($ctx + sk_buff::mark) = $src;",
111 .write = "*(u16 *)($ctx + sk_buff::tc_index) = $src;",
134 .write = "*(u32 *)($ctx + sock::sk_mark) = $src;",
139 .write = "*(u32 *)($ctx + sock::sk_priority) = $src;",
151 .write = "*(u64 *)($ctx + bpf_sysctl_kern::tmp_reg) = r9;"
752 if (test->write || test->write_st || test->write_stx) { in run_one_testcase()
776 if (test->write || test->write_stx) { in run_one_testcase()
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/tools/perf/scripts/python/
A Dcompaction-times.py206 sys.stdout.write("total: %s\n" % chead.str())
249 sys.stdout.write(usage)
250 sys.stdout.write("\n")
251 sys.stdout.write("-h display this help\n")
252 sys.stdout.write("-p display by process\n")
253 sys.stdout.write("-pv display by process (verbose)\n")
254 sys.stdout.write("-t display stall times only\n")
255 sys.stdout.write("-m display stats for migration\n")
256 sys.stdout.write("-fs display stats for free scanner\n")
257 sys.stdout.write("-ms display stats for migration scanner\n")
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A Dexport-to-postgresql.py741 file.write(file_header)
745 file.write(file_trailer)
758 file.write(file_trailer)
981 evsel_file.write(value)
999 comm_file.write(value)
1015 dso_file.write(value)
1046 call_file.write(value)
1062 cbr_file.write(value)
1070 mwait_file.write(value)
1079 pwre_file.write(value)
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/tools/testing/selftests/core/
A Dunshare_test.c48 write(fd, buf2, n2); in TEST()
55 write(fd, buf, n); in TEST()
62 write(fd, buf, n); in TEST()
70 write(fd, buf, n); in TEST()
79 write(fd, buf, n); in TEST()
/tools/perf/util/
A Dtrace-event-info.c59 if (write(output_fd, &size, hdr_sz) != hdr_sz) in record_file()
67 if (write(output_fd, buf, r) != r) in record_file()
192 if (write(output_fd, &count, 4) != 4) { in copy_event_system()
285 if (write(output_fd, &count, 4) != 4) { in record_event_files()
352 if (write(output_fd, &size, 4) != 4) in record_ftrace_printk()
380 if (write(output_fd, &size, 8) != 8) in record_saved_cmdline()
564 if (write(output_fd, buf, 10) != 10) in tracing_data_header()
568 if (write(output_fd, VERSION, size) != size) in tracing_data_header()
577 if (write(output_fd, buf, 1) != 1) in tracing_data_header()
582 if (write(output_fd, buf, 1) != 1) in tracing_data_header()
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/tools/memory-model/litmus-tests/
A DZ6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus9 * P0's write, which means that there are two non-rf links: P1() to P2()
10 * is a write-to-write link (AKA a "coherence" or just "co" link) and P2()
11 * to P0() is a read-to-write link (AKA a "from-reads" or just "fr" link).
A DCoWW+poonceonce.litmus6 * Test of write-write coherence, that is, whether or not two successive
A DCoRW+poonceonce+Once.litmus6 * Test of read-write coherence, that is, whether or not a read from
7 * a given variable and a later write to that same variable are ordered.
A DCoWR+poonceonce+Once.litmus6 * Test of write-read coherence, that is, whether or not a write to a
/tools/testing/selftests/mm/
A Dwrite_hugetlb_memory.sh8 write=$3
22 ./write_to_hugetlbfs -p "$path" -s "$size" "$write" "$populate" -m "$method" \
A Dwrite_to_hugetlbfs.c76 int write = 0; in main() local
106 write = 1; in main()
146 if (!write) in main()
225 if (write) { in main()
/tools/testing/selftests/powerpc/mm/
A Dlarge_vm_fork_separation.c55 FAIL_IF(write(c2p[1], &c, 1) != 1); in test()
61 FAIL_IF(write(p2c[1], &c, 1) != 1); in test()
74 FAIL_IF(write(p2c[1], &c, 1) != 1); in test()
/tools/testing/selftests/wireguard/qemu/
A Dinit.c116 if (write(fd, "9\n", 2) != 2) in enable_logging()
122 if (write(fd, "1\n", 2) != 2) in enable_logging()
198 if (write(fd, "success\n", 8) != 8) in launch_tests()
228 if (write(1, "\0\0\0\0\n", 5) == 5) in ensure_console()
242 write(fd, "clear\n", 5); in clear_leaks()
255 write(fd, "scan\n", 5); in check_leaks()
/tools/virtio/virtio-trace/
A DREADME8 - write trace data to stdout by using -o option
13 2) Create a read/write thread per CPU. Each thread is bound to a CPU.
14 The read/write threads hold it.
17 the controller wake read/write threads.
18 5) The read/write threads start to read trace data from ring-buffers and
19 write the data to virtio-serial.
20 6) If the controller receives a stop order from a host, the read/write threads
31 trace-agent-ctl.c: includes controller function for read/write threads
32 trace-agent-rw.c: includes read/write threads function
103 read/write threads in the agent wait for start order from host. If you add -o
/tools/testing/selftests/landlock/
A Dscoped_signal_test.c141 ASSERT_EQ(1, write(pipe_parent[1], ".", 1)); in TEST_F()
202 ASSERT_EQ(1, write(pipe_child[1], ".", 1)); in TEST_F()
243 ASSERT_EQ(1, write(pipe_parent[1], ".", 1)); in TEST_F()
286 EXPECT_EQ(1, write(thread_pipe[1], ".", 1)); in TEST()
311 EXPECT_EQ(1, write(thread_pipe[1], ".", 1)); in TEST()
368 EXPECT_EQ(1, write(pipe_parent[1], ".", 1)); in TEST()
500 ASSERT_EQ(1, write(pipe_child[1], ".", 1)); in TEST_F()
528 ASSERT_EQ(1, write(pipe_parent[1], ".", 1)); in TEST_F()
545 ASSERT_EQ(1, write(pipe_parent[1], ".", 1)); in TEST_F()
553 ASSERT_EQ(1, write(pipe_parent[1], ".", 1)); in TEST_F()
/tools/testing/selftests/net/mptcp/
A Dmptcp_inq.c267 ret = write(unixfd, &len, sizeof(len)); in connect_one_server()
270 ret = write(fd, buf, len); in connect_one_server()
284 ret = write(unixfd, &total, sizeof(total)); in connect_one_server()
295 ret = write(fd, buf, len); in connect_one_server()
311 ret = write(fd, buf, 1); in connect_one_server()
314 ret = write(unixfd, "closed", 6); in connect_one_server()
353 ret = write(unixfd, "xmit", 4); in process_one_client()
405 ret = write(unixfd, "huge", 4); in process_one_client()
433 ret = write(unixfd, "shut", 4); in process_one_client()
493 r = write(unixfd, "conn", 4); in server()

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