Documentation/trace/events.rst

677   struct dynevent_cmd cmd;
683   /* Before generating the command, initialize the cmd object */
684   synth_event_cmd_init(&cmd, buf, MAX_DYNEVENT_CMD_LEN);
686   ret = synth_event_gen_cmd_start(&cmd, "schedtest", THIS_MODULE,
693   ret = synth_event_gen_cmd_array_start(&cmd, "schedtest", THIS_MODULE,
702   ret = synth_event_add_field(&cmd, "int", "intfield");
711   ret = synth_event_add_fields(&cmd, sched_fields, 4);
720   ret = synth_event_gen_cmd_end(&cmd);
940   struct dynevent_cmd cmd;
946   /* Before generating the command, initialize the cmd object */
947   kprobe_event_cmd_init(&cmd, buf, MAX_DYNEVENT_CMD_LEN);
953   ret = kprobe_event_gen_cmd_start(&cmd, "gen_kprobe_test", "do_sys_open",
962   ret = kprobe_event_add_fields(&cmd, "flags=%cx", "mode=+4($stack)");
969   ret = kprobe_event_gen_cmd_end(&cmd);
973   ret = kretprobe_event_gen_cmd_end(&cmd);
982   ret = kretprobe_event_gen_cmd_start(&cmd, "gen_kretprobe_test",
1025   struct dynevent_cmd cmd;
1031   dynevent_cmd_init(cmd, buf, maxlen, DYNEVENT_TYPE_FOO,
1057   ret = dynevent_arg_add(cmd, &arg);
1076   ret = dynevent_arg_pair_add(cmd, &arg_pair);
1088 (until its length surpasses cmd->maxlen).  When all the arguments have
1093   ret = dynevent_create(&cmd);