static int trace_disable(int argc, char **argv)
{
const char *tracer = argv[optind];
int ret;
struct sd_req hdr;
struct sd_rsp *rsp = (struct sd_rsp *)&hdr;
sd_init_req(&hdr, SD_OP_TRACE_DISABLE);
hdr.flags = SD_FLAG_CMD_WRITE;
hdr.data_length = strlen(tracer) + 1;
ret = dog_exec_req(&sd_nid, &hdr, (void *)tracer);
if (ret < 0)
return EXIT_SYSFAIL;
switch (rsp->result) {
case SD_RES_SUCCESS:
break;
case SD_RES_NO_SUPPORT:
sd_err("no such tracer %s", tracer);
return EXIT_FAILURE;
case SD_RES_INVALID_PARMS:
sd_err("tracer %s is not enabled", tracer);
return EXIT_FAILURE;
default:
sd_err("unknown error (%s)", sd_strerror(rsp->result));
return EXIT_SYSFAIL;
}
return trace_read_buffer();
}
static int trace_stop(int argc, char **argv)
{
int ret;
struct sd_req hdr;
struct sd_rsp *rsp = (struct sd_rsp *)&hdr;
sd_init_req(&hdr, SD_OP_TRACE);
hdr.data_length = 0;
ret = send_light_req(&hdr, sdhost, sdport);
if (ret) {
fprintf(stderr, "Trace stop failed: %s\n",
sd_strerror(rsp->result));
return EXIT_FAILURE;
}
return trace_read_buffer();
}