@GetMapping({"/{id}/perf", "/{id}/graph"})
	@PreAuthorize("permitAll")
	public Map<String, Object> getPerfGraph(@PathVariable long id,
											@RequestParam(defaultValue = "") String dataType,
											@RequestParam(defaultValue = "false") boolean onlyTotal,
											@RequestParam int imgWidth) {
		String[] dataTypes = checkNotEmpty(StringUtils.split(dataType, ","), "dataType argument should be provided");
		return getPerfGraphData(id, dataTypes, onlyTotal, imgWidth);
	}
Get the detailed report graph data for the given perf test id.
This method returns the appropriate points based on the given imgWidth.

@param id       test id
@param dataType which data
@param imgWidth imageWidth
@return perf test result list.
ngrinder-controller/src/main/java/org/ngrinder/perftest/controller/PerfTestApiController.java