Add view-scoped additional metrics and console reporting

[izzet]

This pull request introduces support for handling and displaying additional metrics in the analyzer output, with changes spanning configuration, processing, and presentation. The main improvements include refactoring the configuration for additional metrics to support per-view-type metrics, updating the analysis pipeline to process these metrics correctly, and adding a new summary table for additional metrics in the output.

                                                             Time Period Summary                                                              
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Metric                                                                                  ┃ Unit                ┃                      Value ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ Job Time                                                                                │ seconds             │                   1060.279 │
│ Total Count                                                                             │ count               │                    142,462 │
│ Total Files                                                                             │ count               │                         29 │
│ Total Nodes                                                                             │ count               │                          1 │
│ Total Processes                                                                         │ count               │                         12 │
│ Training Count                                                                          │ count               │                          2 │
│ Checkpoint Count                                                                        │ count               │                          4 │
│ Data Loader Count                                                                       │ count               │                     70,270 │
│ Data Loader Fork Count                                                                  │ count               │                         20 │
│ Reader Count                                                                            │ count               │                     10,763 │
│ POSIX - All Count                                                                       │ count               │                      7,647 │
│ POSIX - All Size                                                                        │ MB                  │                 118004.580 │
│ POSIX - All Bandwidth                                                                   │ MB/s                │                   4737.244 │
│ POSIX - All Avg Transfer Size                                                           │ MB                  │                     15.431 │
│ POSIX - Reader Count                                                                    │ count               │                        183 │
│ POSIX - Reader Size                                                                     │ MB                  │                     24.349 │
│ POSIX - Reader Bandwidth                                                                │ MB/s                │                    483.476 │
│ POSIX - Reader Avg Transfer Size                                                        │ MB                  │                      0.133 │
│ POSIX - Checkpoint Count                                                                │ count               │                      7,354 │
│ POSIX - Checkpoint Size                                                                 │ MB                  │                 117976.232 │
│ POSIX - Checkpoint Bandwidth                                                            │ MB/s                │                   4769.542 │
│ POSIX - Checkpoint Avg Transfer Size                                                    │ MB                  │                     16.042 │
└─────────────────────────────────────────────────────────────────────────────────────────┴─────────────────────┴────────────────────────────┘
                                                        Time Period Additional Metrics                                                        
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━┓
┃ Metric                               ┃ Unit          ┃                Non-null ┃              Min ┃               Mean ┃               Max ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━┩
│ image_bw_mbps                        │ MB/s          │                     970 │            0.286 │             31.461 │            43.843 │
└──────────────────────────────────────┴───────────────┴─────────────────────────┴──────────────────┴────────────────────┴───────────────────┘

Configuration and Data Model Updates

• Refactored the AnalyzerPresetConfig dataclass to allow specifying additional metrics as a dictionary mapping view types to their respective metrics, enabling more granular control over which metrics are tracked for each view type.
• Updated the AnalyzerResultType dataclass to include an additional_metrics field, which stores the list of additional metrics for each view type.

Analysis Pipeline Changes

• Modified the _analyze_hlm and _process_flat_view methods in analyzer.py to correctly pass and process additional metrics per view type, ensuring metrics are set and evaluated based on the view type rather than globally. [1] [2]

Output and Presentation Enhancements

• Added the _create_additional_metrics_table method to output.py, which generates a summary table for additional metrics including unit conversion, non-null counts, and basic statistics (min, mean, max) for each metric. The table is conditionally displayed if additional metrics are present for the current view. [1] [2]
• Updated imports in output.py to support new unit handling and calculations for additional metrics.

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[hariharan-devarajan]

Looks good to me.