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Developer Documentation
- Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
- Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
- PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
/lib/xhprof/xhprof_lib/utils/ -> xhprof_lib.php (source)
Differences Between: [Versions 310 and 311] [Versions 310 and 400] [Versions 310 and 401] [Versions 310 and 402] [Versions 310 and 403]
(no description)
| File Size: | 945 lines (27 kb) |
| Included or required: | 0 times |
| Referenced: | 0 times |
| Includes or requires: | 0 files |
Defines 23 functions
xhprof_error()
xhprof_get_possible_metrics()
init_metrics()
xhprof_get_metrics()
xhprof_parse_parent_child()
xhprof_build_parent_child_key()
xhprof_valid_run()
xhprof_trim_run()
xhprof_normalize_metrics()
xhprof_aggregate_runs()
xhprof_compute_flat_info()
xhprof_compute_diff()
xhprof_compute_inclusive_times()
xhprof_prune_run()
xhprof_array_set()
xhprof_array_unset()
xhprof_get_param_helper()
xhprof_get_string_param()
xhprof_get_uint_param()
xhprof_get_float_param()
xhprof_get_bool_param()
xhprof_param_init()
xhprof_get_matching_functions()
xhprof_get_possible_metrics()
init_metrics()
xhprof_get_metrics()
xhprof_parse_parent_child()
xhprof_build_parent_child_key()
xhprof_valid_run()
xhprof_trim_run()
xhprof_normalize_metrics()
xhprof_aggregate_runs()
xhprof_compute_flat_info()
xhprof_compute_diff()
xhprof_compute_inclusive_times()
xhprof_prune_run()
xhprof_array_set()
xhprof_array_unset()
xhprof_get_param_helper()
xhprof_get_string_param()
xhprof_get_uint_param()
xhprof_get_float_param()
xhprof_get_bool_param()
xhprof_param_init()
xhprof_get_matching_functions()
Functions that are not part of a class:
| xhprof_error($message) X-Ref |
| No description |
| xhprof_get_possible_metrics() X-Ref |
| No description |
| init_metrics($xhprof_data, $rep_symbol, $sort, $diff_report = false) X-Ref |
| Initialize the metrics we'll display based on the information in the raw data. author: Kannan |
| xhprof_get_metrics($xhprof_data) X-Ref |
| No description |
| xhprof_parse_parent_child($parent_child) X-Ref |
| Takes a parent/child function name encoded as "a==>b" and returns array("a", "b"). author: Kannan |
| xhprof_build_parent_child_key($parent, $child) X-Ref |
| Given parent & child function name, composes the key in the format present in the raw data. author: Kannan |
| xhprof_valid_run($run_id, $raw_data) X-Ref |
| Checks if XHProf raw data appears to be valid and not corrupted. param: int $run_id Run id of run to be pruned. param: array $raw_data XHProf raw data to be pruned author: Kannan return: bool true on success, false on failure |
| xhprof_trim_run($raw_data, $functions_to_keep) X-Ref |
| Return a trimmed version of the XHProf raw data. Note that the raw data contains one entry for each unique parent/child function combination.The trimmed version of raw data will only contain entries where either the parent or child function is in the list of $functions_to_keep. Note: Function main() is also always kept so that overall totals can still be obtained from the trimmed version. param: array XHProf raw data param: array array of function names author: Kannan return: array Trimmed XHProf Report |
| xhprof_normalize_metrics($raw_data, $num_runs) X-Ref |
| Takes raw XHProf data that was aggregated over "$num_runs" number of runs averages/nomalizes the data. Essentially the various metrics collected are divided by $num_runs. author: Kannan |
| xhprof_aggregate_runs($xhprof_runs_impl, $runs,$wts, $source="phprof",$use_script_name=false) X-Ref |
| Get raw data corresponding to specified array of runs aggregated by certain weightage. Suppose you have run:5 corresponding to page1.php, run:6 corresponding to page2.php, and run:7 corresponding to page3.php and you want to accumulate these runs in a 2:4:1 ratio. You can do so by calling: xhprof_aggregate_runs(array(5, 6, 7), array(2, 4, 1)); The above will return raw data for the runs aggregated in 2:4:1 ratio. param: object $xhprof_runs_impl An object that implements param: array $runs run ids of the XHProf runs.. param: array $wts integral (ideally) weights for $runs param: string $source source to fetch raw data for run from param: bool $use_script_name If true, a fake edge from main() to author: Kannan return: array Return aggregated raw data |
| xhprof_compute_flat_info($raw_data, &$overall_totals) X-Ref |
| Analyze hierarchical raw data, and compute per-function (flat) inclusive and exclusive metrics. Also, store overall totals in the 2nd argument. param: array $raw_data XHProf format raw profiler data. param: array &$overall_totals OUT argument for returning author: Kannan Muthukkaruppan return: array Returns a map from function name to its |
| xhprof_compute_diff($xhprof_data1, $xhprof_data2) X-Ref |
| Hierarchical diff: Compute and return difference of two call graphs: Run2 - Run1. author: Kannan |
| xhprof_compute_inclusive_times($raw_data) X-Ref |
| Compute inclusive metrics for function. This code was factored out of xhprof_compute_flat_info(). The raw data contains inclusive metrics of a function for each unique parent function it is called from. The total inclusive metrics for a function is therefore the sum of inclusive metrics for the function across all parents. author: Kannan return: array Returns a map of function name to total (across all parents) |
| xhprof_prune_run($raw_data, $prune_percent) X-Ref |
| No description |
| xhprof_array_set($arr, $k, $v) X-Ref |
| Set one key in an array and return the array author: Kannan |
| xhprof_array_unset($arr, $k) X-Ref |
| Removes/unsets one key in an array and return the array author: Kannan |
| xhprof_get_param_helper($param) X-Ref |
| Internal helper function used by various xhprof_get_param* flavors for various types of parameters. param: string name of the URL query string param author: Kannan |
| xhprof_get_string_param($param, $default = '') X-Ref |
| Extracts value for string param $param from query string. If param is not specified, return the $default value. author: Kannan |
| xhprof_get_uint_param($param, $default = 0) X-Ref |
| Extracts value for unsigned integer param $param from query string. If param is not specified, return the $default value. If value is not a valid unsigned integer, logs error and returns null. author: Kannan |
| xhprof_get_float_param($param, $default = 0) X-Ref |
| Extracts value for a float param $param from query string. If param is not specified, return the $default value. If value is not a valid unsigned integer, logs error and returns null. author: Kannan |
| xhprof_get_bool_param($param, $default = false) X-Ref |
| Extracts value for a boolean param $param from query string. If param is not specified, return the $default value. If value is not a valid unsigned integer, logs error and returns null. author: Kannan |
| xhprof_param_init($params) X-Ref |
| Initialize params from URL query string. The function creates globals variables for each of the params and if the URL query string doesn't specify a particular param initializes them with the corresponding default value specified in the input. author: Kannan |
| xhprof_get_matching_functions($q, $xhprof_data) X-Ref |
| Given a partial query string $q return matching function names in specified XHProf run. This is used for the type ahead function selector. author: Kannan |
