+ char temp[TDM_PATH_LEN];
+ char *arg;
+ char *end;
+ tdm_output *output;
+ tdm_error ret;
+ tdm_output_type type;
+
+ snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
+
+ tdm_ttrace_output = output_id;
+ tdm_ttrace_module = 0;
+
+ output = tdm_display_get_output(private_display, output_id, &ret);
+ if (!output) {
+ TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
+ return ret;
+ }
+
+ ret = tdm_output_get_output_type(output, &type);
+ if (ret != TDM_ERROR_NONE) {
+ TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
+ return ret;
+ }
+
+ arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
+ while (arg) {
+ if (!strncmp(arg, "none", 4))
+ tdm_ttrace_module = 0;
+ else if (!strncmp(arg, "all", 3))
+ tdm_ttrace_module = 0xFFFFFFFF;
+ else if (!strncmp(arg, "vsync", 5))
+ tdm_ttrace_module |= TDM_TTRACE_VSYNC;
+ else if (!strncmp(arg, "client_vblank", 13))
+ tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
+ else if (!strncmp(arg, "server_vblank", 13))
+ tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
+ else if (!strncmp(arg, "vblank", 6))
+ tdm_ttrace_module |= TDM_TTRACE_VBLANK;
+ else if (!strncmp(arg, "layer", 5))
+ tdm_ttrace_module |= TDM_TTRACE_LAYER;
+ else if (!strncmp(arg, "pp", 2))
+ tdm_ttrace_module |= TDM_TTRACE_PP;
+ else if (!strncmp(arg, "capture", 7))
+ tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
+ else {
+ tdm_ttrace_module = 0;
+ tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
+ tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
+ TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
+ return TDM_ERROR_NONE;
+ }