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/linux-6.12.1/tools/testing/selftests/bpf/
Dverify_sig_setup.sh66 data_file=${tmp_dir}/data-file
68 dd if=/dev/urandom of=$data_file bs=1 count=12345 2> /dev/null
69 fsverity sign --key ${tmp_dir}/signing_key.pem $data_file $sig_file
80 data_file=${tmp_dir}/data-file
81 fsverity enable $data_file
/linux-6.12.1/samples/user_events/
Dexample.c18 const char *data_file = "/sys/kernel/tracing/user_events_data"; variable
45 data_fd = open(data_file, O_RDWR); in main()
/linux-6.12.1/tools/testing/selftests/user_events/
Dabi_test.c26 const char *data_file = "/sys/kernel/tracing/user_events_data"; variable
122 int fd = open(data_file, O_RDWR); in event_delete()
140 int fd = open(data_file, O_RDWR); in reg_enable_multi()
171 int fd = open(data_file, O_RDWR); in reg_enable_flags()
199 int fd = open(data_file, O_RDWR); in reg_disable()
Dperf_test.c22 const char *data_file = "/sys/kernel/tracing/user_events_data"; variable
93 int fd = open(data_file, O_RDWR); in clear()
120 self->data_fd = open(data_file, O_RDWR); in FIXTURE_SETUP()
Dftrace_test.c21 const char *data_file = "/sys/kernel/tracing/user_events_data"; variable
132 fd = open(data_file, O_RDWR); in clear()
171 fd = open(data_file, O_RDWR); in check_print_fmt()
216 self->data_fd = open(data_file, O_RDWR); in FIXTURE_SETUP()
/linux-6.12.1/Documentation/usb/
Dgadget_printer.rst106 To write printer data from a file (data_file) to the host::
108 # cat data_file | prn_example -write_data