metrics.yaml (63812B)
1 # This Source Code Form is subject to the terms of the Mozilla Public 2 # License, v. 2.0. If a copy of the MPL was not distributed with this 3 # file, You can obtain one at http://mozilla.org/MPL/2.0/. 4 5 # Adding a new metric? We have docs for that! 6 # https://firefox-source-docs.mozilla.org/toolkit/components/glean/user/new_definitions_file.html 7 8 --- 9 $schema: moz://mozilla.org/schemas/glean/metrics/2-0-0 10 $tags: 11 - 'Core :: Graphics' 12 13 paint: 14 build_displaylist_time: 15 type: timing_distribution 16 description: > 17 The time to build a Gecko display list. 18 bugs: 19 - https://bugzilla.mozilla.org/show_bug.cgi?id=1728423 20 data_reviews: 21 - https://bugzilla.mozilla.org/show_bug.cgi?id=1728423 22 data_sensitivity: 23 - technical 24 notification_emails: 25 - gfx-telemetry-alerts@mozilla.com 26 - mwoodrow@mozilla.com 27 expires: never 28 29 gpu_process: 30 feature_status: 31 type: string 32 description: > 33 Current status of the GPU process feature 34 bugs: 35 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 36 data_reviews: 37 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 38 data_sensitivity: 39 - technical 40 notification_emails: 41 - gfx-telemetry-alerts@mozilla.com 42 - jnicol@mozilla.com 43 expires: never 44 crash_fallbacks: 45 type: labeled_counter 46 description: > 47 How often we use different fallbacks when the GPU process crashes 48 labels: 49 - none 50 - decoding_disabled 51 - disabled 52 bugs: 53 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 54 data_reviews: 55 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 56 data_sensitivity: 57 - technical 58 notification_emails: 59 - gfx-telemetry-alerts@mozilla.com 60 - jnicol@mozilla.com 61 expires: never 62 total_launch_attempts: 63 type: quantity 64 description: > 65 The number of total GPU process launch attempts. 66 unit: launches 67 bugs: 68 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 69 data_reviews: 70 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 71 data_sensitivity: 72 - technical 73 notification_emails: 74 - gfx-telemetry-alerts@mozilla.com 75 - jnicol@mozilla.com 76 expires: never 77 unstable_launch_attempts: 78 type: quantity 79 description: > 80 The number of consecutive unstable launch attempts. 81 unit: launches 82 bugs: 83 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 84 data_reviews: 85 - https://bugzilla.mozilla.org/show_bug.cgi?id=1870021 86 data_sensitivity: 87 - technical 88 notification_emails: 89 - gfx-telemetry-alerts@mozilla.com 90 - jnicol@mozilla.com 91 expires: never 92 93 launch_time: 94 type: timing_distribution 95 description: > 96 GPU process launch time in milliseconds 97 98 This metric was generated to correspond to the Legacy Telemetry 99 exponential histogram GPU_PROCESS_LAUNCH_TIME_MS_2. 100 time_unit: millisecond 101 bugs: 102 - https://bugzilla.mozilla.org/show_bug.cgi?id=1297790 103 - https://bugzilla.mozilla.org/show_bug.cgi?id=1317796 104 - https://bugzilla.mozilla.org/show_bug.cgi?id=1489524 105 data_reviews: 106 - https://bugzilla.mozilla.org/show_bug.cgi?id=1297790 107 - https://bugzilla.mozilla.org/show_bug.cgi?id=1317796 108 - https://bugzilla.mozilla.org/show_bug.cgi?id=1489524 109 notification_emails: 110 - gfx-telemetry-alerts@mozilla.com 111 - rhunt@mozilla.com 112 - dbolter@mozilla.com 113 expires: never 114 telemetry_mirror: GPU_PROCESS_LAUNCH_TIME_MS_2 115 116 initialization_time: 117 type: timing_distribution 118 description: > 119 GPU process initialization (excluding XPCOM and fork time) time in 120 milliseconds 121 122 This metric was generated to correspond to the Legacy Telemetry 123 exponential histogram GPU_PROCESS_INITIALIZATION_TIME_MS. 124 time_unit: millisecond 125 bugs: 126 - https://bugzilla.mozilla.org/show_bug.cgi?id=1324095 127 - https://bugzilla.mozilla.org/show_bug.cgi?id=1489524 128 data_reviews: 129 - https://bugzilla.mozilla.org/show_bug.cgi?id=1324095 130 - https://bugzilla.mozilla.org/show_bug.cgi?id=1489524 131 notification_emails: 132 - gfx-telemetry-alerts@mozilla.com 133 - rhunt@mozilla.com 134 - dbolter@mozilla.com 135 expires: never 136 telemetry_mirror: GPU_PROCESS_INITIALIZATION_TIME_MS 137 138 wr: 139 gpu_wait_time: 140 type: timing_distribution 141 description: > 142 The time spent waiting for the GPU to complete previously issued drawing 143 commands. 144 time_unit: microsecond 145 bugs: 146 - https://bugzilla.mozilla.org/show_bug.cgi?id=1772216 147 data_reviews: 148 - https://bugzilla.mozilla.org/show_bug.cgi?id=1772216 149 data_sensitivity: 150 - technical 151 notification_emails: 152 - gfx-telemetry-alerts@mozilla.com 153 expires: never 154 155 rasterize_glyphs_time: 156 type: timing_distribution 157 description: > 158 The time to rasterize glyphs for consumption by WebRender. 159 time_unit: microsecond 160 bugs: 161 - https://bugzilla.mozilla.org/show_bug.cgi?id=1728423 162 data_reviews: 163 - https://bugzilla.mozilla.org/show_bug.cgi?id=1728423 164 data_sensitivity: 165 - technical 166 notification_emails: 167 - gfx-telemetry-alerts@mozilla.com 168 expires: never 169 170 rasterize_blobs_time: 171 type: timing_distribution 172 description: > 173 The time to rasterize blobs for consumption by WebRender. 174 time_unit: microsecond 175 bugs: 176 - https://bugzilla.mozilla.org/show_bug.cgi?id=1770974 177 data_reviews: 178 - https://bugzilla.mozilla.org/show_bug.cgi?id=1770974 179 data_sensitivity: 180 - technical 181 notification_emails: 182 - gfx-telemetry-alerts@mozilla.com 183 expires: never 184 185 renderer_time: 186 type: timing_distribution 187 description: > 188 WebRender renderer time. 189 time_unit: microsecond 190 bugs: 191 - https://bugzilla.mozilla.org/show_bug.cgi?id=1772223 192 data_reviews: 193 - https://bugzilla.mozilla.org/show_bug.cgi?id=1772223 194 data_sensitivity: 195 - technical 196 notification_emails: 197 - gfx-telemetry-alerts@mozilla.com 198 expires: never 199 200 renderer_time_no_sc: 201 type: timing_distribution 202 description: > 203 WebRender renderer time excluding frames in which shader compilation took 204 place. 205 time_unit: microsecond 206 bugs: 207 - https://bugzilla.mozilla.org/show_bug.cgi?id=1784286 208 data_reviews: 209 - https://bugzilla.mozilla.org/show_bug.cgi?id=1784286 210 data_sensitivity: 211 - technical 212 notification_emails: 213 - gfx-telemetry-alerts@mozilla.com 214 expires: never 215 216 framebuild_time: 217 type: timing_distribution 218 description: > 219 The time to rasterize glyphs for consumption by WebRender. 220 time_unit: microsecond 221 bugs: 222 - https://bugzilla.mozilla.org/show_bug.cgi?id=1470901 223 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 224 data_reviews: 225 - https://bugzilla.mozilla.org/show_bug.cgi?id=1470901 226 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 227 data_sensitivity: 228 - technical 229 notification_emails: 230 - gfx-telemetry-alerts@mozilla.com 231 - jmuizelaar@mozilla.com 232 expires: never 233 234 scenebuild_time: 235 type: timing_distribution 236 description: > 237 WebRender scene build time. 238 time_unit: microsecond 239 bugs: 240 - https://bugzilla.mozilla.org/show_bug.cgi?id=1470901 241 data_reviews: 242 - https://bugzilla.mozilla.org/show_bug.cgi?id=1470901 243 data_sensitivity: 244 - technical 245 notification_emails: 246 - gfx-telemetry-alerts@mozilla.com 247 - jmuizelaar@mozilla.com 248 expires: never 249 250 shaderload_time: 251 type: timing_distribution 252 description: > 253 Time spent blocking on the shader compilation for LazilyCompiled shaders 254 created with ASYNC_COMPILE or FULL_COMPILE. 255 time_unit: microsecond 256 bugs: 257 - https://bugzilla.mozilla.org/show_bug.cgi?id=1954566 258 data_reviews: 259 - https://bugzilla.mozilla.org/show_bug.cgi?id=1954566 260 data_sensitivity: 261 - technical 262 notification_emails: 263 - gfx-telemetry-alerts@mozilla.com 264 - jmuizelaar@mozilla.com 265 expires: never 266 267 sceneswap_time: 268 type: timing_distribution 269 description: > 270 WebRender scene swap time. 271 time_unit: microsecond 272 bugs: 273 - https://bugzilla.mozilla.org/show_bug.cgi?id=1470901 274 data_reviews: 275 - https://bugzilla.mozilla.org/show_bug.cgi?id=1470901 276 data_sensitivity: 277 - technical 278 notification_emails: 279 - gfx-telemetry-alerts@mozilla.com 280 - jmuizelaar@mozilla.com 281 expires: never 282 283 texture_cache_update_time: 284 type: timing_distribution 285 description: > 286 Time taken by WebRender to update the texture cache. 287 time_unit: microsecond 288 bugs: 289 - https://bugzilla.mozilla.org/show_bug.cgi?id=1772223 290 data_reviews: 291 - https://bugzilla.mozilla.org/show_bug.cgi?id=1772223 292 data_sensitivity: 293 - technical 294 notification_emails: 295 - gfx-telemetry-alerts@mozilla.com 296 expires: never 297 298 time_to_frame_build: 299 type: timing_distribution 300 description: > 301 Time elapsed between the construction of a transaction and the 302 associated frame build beginning. 303 time_unit: microsecond 304 bugs: 305 - https://bugzilla.mozilla.org/show_bug.cgi?id=1778395 306 data_reviews: 307 - https://bugzilla.mozilla.org/show_bug.cgi?id=1778395 308 data_sensitivity: 309 - technical 310 notification_emails: 311 - gfx-telemetry-alerts@mozilla.com 312 expires: never 313 314 time_to_render_start: 315 type: timing_distribution 316 description: > 317 Time elapsed between the construction of a frame and the start of 318 rendering. 319 time_unit: microsecond 320 bugs: 321 - https://bugzilla.mozilla.org/show_bug.cgi?id=1778395 322 data_reviews: 323 - https://bugzilla.mozilla.org/show_bug.cgi?id=1778395 324 data_sensitivity: 325 - technical 326 notification_emails: 327 - gfx-telemetry-alerts@mozilla.com 328 expires: never 329 330 gfx: 331 composite_time: 332 type: timing_distribution 333 time_unit: millisecond 334 telemetry_mirror: COMPOSITE_TIME 335 description: > 336 The time taken to composite a frame. 337 On non-webrender this is the time taken in 338 `CompositorBridgeParent::CompositeToTarget()`. 339 On webrender, this is the time taken from the start of 340 `WebRenderBridgeParent::CompositeToTarget()`, 341 until the render thread has rendered the frame (in 342 `RenderThread::HandleFrameOneDoc()`). 343 (Migrated from the geckoview metric of the same name). 344 bugs: 345 - https://bugzilla.mozilla.org/show_bug.cgi?id=1080160 346 - https://bugzilla.mozilla.org/show_bug.cgi?id=1529352 347 - https://bugzilla.mozilla.org/show_bug.cgi?id=1580129 348 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 349 data_reviews: 350 - https://bugzilla.mozilla.org/show_bug.cgi?id=1580129#c7 351 notification_emails: 352 - gfx-telemetry-alerts@mozilla.com 353 - jnicol@mozilla.com 354 expires: never 355 356 scroll_present_latency: 357 type: timing_distribution 358 time_unit: millisecond 359 description: > 360 Time between receiving a scroll 361 event on the event loop and compositing 362 its result onto the screen (ms). 363 (Migrated from the geckoview metric of the same name). 364 telemetry_mirror: SCROLL_PRESENT_LATENCY 365 bugs: 366 - https://bugzilla.mozilla.org/show_bug.cgi?id=1604818 367 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 368 data_reviews: 369 - https://bugzilla.mozilla.org/show_bug.cgi?id=1604818#c4 370 notification_emails: 371 - sefeng@mozilla.com 372 - perf-telemetry-alerts@mozilla.com 373 expires: never 374 375 skipped_composites: 376 type: counter 377 description: > 378 Number of skipped composites, happening when rendering is too slow 379 to keep up with content. 380 This metric was generated to correspond to the Legacy Telemetry 381 scalar gfx.skipped_composites. 382 bugs: 383 - https://bugzil.la/1797975 384 data_reviews: 385 - https://bugzil.la/1797975 386 notification_emails: 387 - gfx-telemetry-alerts@mozilla.com 388 - perf-telemetry-alerts@mozilla.com 389 expires: never 390 telemetry_mirror: GFX_SKIPPED_COMPOSITES 391 392 os_compositor: 393 type: boolean 394 description: > 395 Boolean indicating whether the os compositor is being used by 396 WebRender. Only collected in the first subsession. 397 This metric was generated to correspond to the Legacy Telemetry 398 scalar gfx.os_compositor. 399 bugs: 400 - https://bugzil.la/1623492 401 data_reviews: 402 - https://bugzil.la/1623492 403 notification_emails: 404 - gfx-telemetry-alerts@mozilla.com 405 - jmuizelaar@mozilla.com 406 expires: never 407 telemetry_mirror: GFX_OS_COMPOSITOR 408 409 linux_window_protocol: 410 type: string 411 description: > 412 Windowing protocol on Linux. Can be Wayland, WaylandDRM, XWayland, 413 or X11 414 This metric was generated to correspond to the Legacy Telemetry 415 scalar gfx.linux_window_protocol. 416 bugs: 417 - https://bugzil.la/1645732 418 data_reviews: 419 - https://bugzil.la/1645732 420 notification_emails: 421 - gfx-telemetry-alerts@mozilla.com 422 - aosmond@mozilla.com 423 - mkaply@mozilla.com 424 expires: never 425 telemetry_mirror: GFX_LINUX_WINDOW_PROTOCOL 426 427 supports_hdr: 428 type: boolean 429 description: > 430 Does the hardware support accurate display of HDR content 431 This metric was generated to correspond to the Legacy Telemetry 432 scalar gfx.supports_hdr. 433 bugs: 434 - https://bugzil.la/1798067 435 data_reviews: 436 - https://bugzil.la/1798067 437 notification_emails: 438 - gfx-telemetry-alerts@mozilla.com 439 - bwerth@mozilla.com 440 expires: never 441 telemetry_mirror: GFX_SUPPORTS_HDR 442 443 composite_swap_time: 444 type: custom_distribution 445 description: > 446 Time to do swap/present/commit in 100 microseconds 447 448 This metric was generated to correspond to the Legacy Telemetry 449 exponential histogram COMPOSITE_SWAP_TIME. 450 range_min: 1 451 range_max: 1000 452 bucket_count: 50 453 histogram_type: exponential 454 unit: 100 microseconds 455 bugs: 456 - https://bugzilla.mozilla.org/show_bug.cgi?id=1612511 457 data_reviews: 458 - https://bugzilla.mozilla.org/show_bug.cgi?id=1612511 459 notification_emails: 460 - gfx-telemetry-alerts@mozilla.com 461 - jmuizelaar@mozilla.com 462 expires: never 463 telemetry_mirror: COMPOSITE_SWAP_TIME 464 465 composite_frame_roundtrip_time: 466 type: timing_distribution 467 description: > 468 Time from vsync to finishing a composite in milliseconds. 469 470 This metric was generated to correspond to the Legacy Telemetry 471 exponential histogram COMPOSITE_FRAME_ROUNDTRIP_TIME. 472 time_unit: millisecond 473 bugs: 474 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 475 data_reviews: 476 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 477 notification_emails: 478 - gfx-telemetry-alerts@mozilla.com 479 - rhunt@mozilla.com 480 expires: never 481 telemetry_mirror: COMPOSITE_FRAME_ROUNDTRIP_TIME 482 483 device_reset_reason: 484 type: custom_distribution 485 description: > 486 GPU Device Reset Reason (ok, hung, removed, reset, internal error, invalid 487 call, out of memory) 488 489 This metric was generated to correspond to the Legacy Telemetry enumerated 490 histogram DEVICE_RESET_REASON. 491 range_min: 0 492 range_max: 10 493 bucket_count: 11 494 histogram_type: linear 495 bugs: 496 - https://bugzilla.mozilla.org/show_bug.cgi?id=1135408 497 - https://bugzilla.mozilla.org/show_bug.cgi?id=1529352 498 data_reviews: 499 - https://bugzilla.mozilla.org/show_bug.cgi?id=1135408 500 - https://bugzilla.mozilla.org/show_bug.cgi?id=1529352 501 notification_emails: 502 - gfx-telemetry-alerts@mozilla.com 503 - rhunt@mozilla.com 504 expires: never 505 telemetry_mirror: DEVICE_RESET_REASON 506 507 forced_device_reset_reason: 508 type: custom_distribution 509 description: > 510 GPU Forced Device Reset Reason (OpenSharedHandle) 511 512 This metric was generated to correspond to the Legacy Telemetry enumerated 513 histogram FORCED_DEVICE_RESET_REASON. 514 range_min: 0 515 range_max: 50 516 bucket_count: 51 517 histogram_type: linear 518 bugs: 519 - https://bugzilla.mozilla.org/show_bug.cgi?id=1235407 520 data_reviews: 521 - https://bugzilla.mozilla.org/show_bug.cgi?id=1235407 522 notification_emails: 523 - gfx-telemetry-alerts@mozilla.com 524 - rhunt@mozilla.com 525 expires: never 526 telemetry_mirror: FORCED_DEVICE_RESET_REASON 527 528 graphics_driver_startup_test: 529 type: custom_distribution 530 description: > 531 Reports whether or not graphics drivers crashed during startup. 532 533 This metric was generated to correspond to the Legacy Telemetry enumerated 534 histogram GRAPHICS_DRIVER_STARTUP_TEST. 535 range_min: 0 536 range_max: 20 537 bucket_count: 21 538 histogram_type: linear 539 bugs: 540 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 541 data_reviews: 542 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 543 notification_emails: 544 - gfx-telemetry-alerts@mozilla.com 545 - rhunt@mozilla.com 546 expires: never 547 telemetry_mirror: GRAPHICS_DRIVER_STARTUP_TEST 548 549 content_failed_to_acquire_device: 550 type: custom_distribution 551 description: > 552 Failed to create a gfx content device. 0=content d3d11, 1=image d3d11, 553 2=d2d1. 554 555 This metric was generated to correspond to the Legacy Telemetry enumerated 556 histogram GFX_CONTENT_FAILED_TO_ACQUIRE_DEVICE. 557 range_min: 0 558 range_max: 6 559 bucket_count: 7 560 histogram_type: linear 561 bugs: 562 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 563 data_reviews: 564 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 565 notification_emails: 566 - gfx-telemetry-alerts@mozilla.com 567 - rhunt@mozilla.com 568 expires: never 569 telemetry_mirror: GFX_CONTENT_FAILED_TO_ACQUIRE_DEVICE 570 571 crash: 572 type: custom_distribution 573 description: > 574 Graphics Crash Reason (...) 575 576 This metric was generated to correspond to the Legacy Telemetry enumerated 577 histogram GFX_CRASH. 578 range_min: 0 579 range_max: 100 580 bucket_count: 101 581 histogram_type: linear 582 bugs: 583 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 584 data_reviews: 585 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 586 notification_emails: 587 - gfx-telemetry-alerts@mozilla.com 588 - rhunt@mozilla.com 589 expires: never 590 telemetry_mirror: GFX_CRASH 591 592 macos_video_low_power: 593 type: labeled_counter 594 description: > 595 MacOS video low power state achieved when enqueueing a video frame. 596 597 This metric was generated to correspond to the Legacy Telemetry 598 categorical histogram GFX_MACOS_VIDEO_LOW_POWER. 599 labels: 600 - NotVideo 601 - LowPower 602 - FailMultipleVideo 603 - FailWindowed 604 - FailOverlaid 605 - FailBacking 606 - FailMacOSVersion 607 - FailPref 608 - FailSurface 609 - FailEnqueue 610 bugs: 611 - https://bugzilla.mozilla.org/show_bug.cgi?id=1737682 612 data_reviews: 613 - https://bugzilla.mozilla.org/show_bug.cgi?id=1737682 614 notification_emails: 615 - bwerth@mozilla.com 616 expires: never 617 telemetry_mirror: h#GFX_MACOS_VIDEO_LOW_POWER 618 619 sanity_test: 620 type: custom_distribution 621 description: > 622 Reports results from the graphics sanity test to track which drivers are 623 having problems (0=TEST_PASSED, 1=TEST_FAILED_RENDER, 2=TEST_FAILED_VIDEO, 624 3=TEST_CRASHED) 625 626 This metric was generated to correspond to the Legacy Telemetry enumerated 627 histogram GRAPHICS_SANITY_TEST. 628 range_min: 0 629 range_max: 20 630 bucket_count: 21 631 histogram_type: linear 632 bugs: 633 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 634 data_reviews: 635 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 636 notification_emails: 637 - gfx-telemetry-alerts@mozilla.com 638 - rhunt@mozilla.com 639 expires: never 640 telemetry_mirror: GRAPHICS_SANITY_TEST 641 642 gfx.display: 643 count: 644 description: > 645 Amount of displays connected to the device 646 (Migrated from the geckoview metric of the same name). 647 type: quantity 648 unit: Display count 649 # Temporary misuse of the user lifetime approved by Glean team 650 # due to limitations in Geckoview streaming telemetry. 651 # DO NOT DUPLICATE unless approved by Glean team. 652 lifetime: user 653 bugs: 654 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 655 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 656 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 657 data_reviews: 658 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 659 notification_emails: 660 - gfx-telemetry-alerts@mozilla.com 661 expires: never 662 663 primary_width: 664 description: > 665 Width of the primary display, takes device rotation into account. 666 (Migrated from the geckoview metric of the same name). 667 type: quantity 668 unit: Pixels 669 # Temporary misuse of the user lifetime approved by Glean team 670 # due to limitations in Geckoview streaming telemetry. 671 # DO NOT DUPLICATE unless approved by Glean team. 672 lifetime: user 673 bugs: 674 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 675 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 676 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 677 data_reviews: 678 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 679 notification_emails: 680 - gfx-telemetry-alerts@mozilla.com 681 expires: never 682 683 primary_height: 684 description: > 685 Height of the primary display, takes device rotation into account. 686 (Migrated from the geckoview metric of the same name). 687 type: quantity 688 unit: Pixels 689 # Temporary misuse of the user lifetime approved by Glean team 690 # due to limitations in Geckoview streaming telemetry. 691 # DO NOT DUPLICATE unless approved by Glean team. 692 lifetime: user 693 bugs: 694 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 695 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 696 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 697 data_reviews: 698 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 699 notification_emails: 700 - gfx-telemetry-alerts@mozilla.com 701 expires: never 702 703 scaling: 704 type: custom_distribution 705 description: > 706 Scaling percentage for the display where the first window is opened 707 708 This metric was generated to correspond to the Legacy Telemetry linear 709 histogram DISPLAY_SCALING. 710 range_min: 1 711 range_max: 500 712 bucket_count: 100 713 histogram_type: linear 714 unit: percentage 715 bugs: 716 - https://bugzilla.mozilla.org/show_bug.cgi?id=1121966 717 data_reviews: 718 - https://bugzilla.mozilla.org/show_bug.cgi?id=1121966 719 notification_emails: 720 - perf-telemetry-alerts@mozilla.com 721 expires: never 722 telemetry_mirror: DISPLAY_SCALING 723 724 gfx.checkerboard: 725 duration: 726 type: timing_distribution 727 time_unit: millisecond 728 telemetry_mirror: CHECKERBOARD_DURATION 729 description: > 730 The duration of a checkerboard event. 731 Checkerboarding is when painting has not kept up with asynchronous 732 panning and zooming so the compositor has to display a "checkerboard 733 pattern" (or in practice, the background color) rather than the actual 734 page content. 735 (Migrated from the geckoview metric of the same name). 736 bugs: 737 - https://bugzilla.mozilla.org/show_bug.cgi?id=1238040 738 - https://bugzilla.mozilla.org/show_bug.cgi?id=1539309 739 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 740 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 741 data_reviews: 742 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 743 notification_emails: 744 - gfx-telemetry-alerts@mozilla.com 745 - botond@mozilla.com 746 expires: never 747 748 peak_pixel_count: 749 type: custom_distribution 750 range_max: 66355200 751 bucket_count: 50 752 histogram_type: exponential 753 unit: Pixels 754 telemetry_mirror: CHECKERBOARD_PEAK 755 description: > 756 The peak number of CSS pixels that checkerboarded during a checkerboard 757 event. The minimum value of the largest histogram bucket is the size of 758 a 4k display with maximum APZ zooming. 759 (Migrated from the geckoview metric of the same name). 760 bugs: 761 - https://bugzilla.mozilla.org/show_bug.cgi?id=1238040 762 - https://bugzilla.mozilla.org/show_bug.cgi?id=1539309 763 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 764 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 765 data_reviews: 766 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 767 notification_emails: 768 - gfx-telemetry-alerts@mozilla.com 769 - botond@mozilla.com 770 expires: never 771 772 potential_duration: 773 type: timing_distribution 774 time_unit: millisecond 775 telemetry_mirror: CHECKERBOARD_POTENTIAL_DURATION 776 description: > 777 The total amount of time that we could reasonably be checkerboarding. 778 This is the union of two possibly-intersecting sets of time periods: 779 The first set is that in which checkerboarding was actually happening, 780 since by definition it could potentially be happening. 781 The second set is that in which the APZC is actively transforming content 782 in the compositor, since it could potentially transform it so as to 783 display checkerboarding to the user. Combined with other information, 784 this allows us to meaningfully say how frequently users actually 785 enncounters checkerboarding. 786 (Migrated from the geckoview metric of the same name). 787 bugs: 788 - https://bugzilla.mozilla.org/show_bug.cgi?id=1238040 789 - https://bugzilla.mozilla.org/show_bug.cgi?id=1539309 790 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 791 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 792 data_reviews: 793 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 794 notification_emails: 795 - gfx-telemetry-alerts@mozilla.com 796 - botond@mozilla.com 797 expires: never 798 799 severity: 800 type: custom_distribution 801 range_max: 1073741824 802 bucket_count: 50 803 histogram_type: exponential 804 unit: Opaque unit 805 telemetry_mirror: CHECKERBOARD_SEVERITY 806 description: > 807 An opaque measurement of the severity of a checkerboard event. 808 This doesn't have units, it's just useful for comparing two checkerboard 809 events to see which one is worse, for some implementation-specific 810 definition of "worse". The larger the value, the worse the 811 checkerboarding. 812 (Migrated from the geckoview metric of the same name). 813 bugs: 814 - https://bugzilla.mozilla.org/show_bug.cgi?id=1238040 815 - https://bugzilla.mozilla.org/show_bug.cgi?id=1539309 816 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 817 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 818 data_reviews: 819 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 820 notification_emails: 821 - gfx-telemetry-alerts@mozilla.com 822 - botond@mozilla.com 823 expires: never 824 825 gfx.feature: 826 webrender: 827 type: string 828 description: > 829 Whether webrender is enabled or disabled, and why. 830 (Migrated from the geckoview metric of the same name). 831 lifetime: application 832 bugs: 833 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687312 834 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 835 data_reviews: 836 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687312#c5 837 notification_emails: 838 - gfx-telemetry-alerts@mozilla.com 839 - jnicol@mozilla.com 840 expires: never 841 842 gfx.status: 843 compositor: 844 description: > 845 Name of the graphics compositor in use. 846 Possible values are "opengl, d3d11, client, webrender or basic" 847 (Migrated from the geckoview metric of the same name). 848 type: string 849 # Temporary misuse of the user lifetime approved by Glean team 850 # due to limitations in Geckoview streaming telemetry. 851 # DO NOT DUPLICATE unless approved by Glean team. 852 lifetime: user 853 bugs: 854 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 855 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 856 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 857 data_reviews: 858 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 859 notification_emails: 860 - gfx-telemetry-alerts@mozilla.com 861 expires: never 862 last_compositor_gecko_version: 863 description: > 864 The gecko version at the last time a compositor was initialized, and 865 therefore when gfx_status_compositor was last updated. Due to 866 gfx_status_compositor's user lifetime we see lots of unexpected values for 867 the current gecko version. We believe this is because the user has not 868 opened a tab since they were updated to a version where webrender should 869 be enabled on their device. This can be used to verify that theory. 870 (Migrated from the geckoview metric of the same name). 871 type: string 872 # Temporary misuse of the user lifetime approved by Glean team 873 # due to limitations in Geckoview streaming telemetry. 874 # DO NOT DUPLICATE unless approved by Glean team. 875 lifetime: user 876 bugs: 877 - https://bugzilla.mozilla.org/show_bug.cgi?id=1704842 878 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 879 data_reviews: 880 - https://bugzilla.mozilla.org/show_bug.cgi?id=1704842#c8 881 notification_emails: 882 - jnicol@mozilla.com 883 - gfx-telemetry-alerts@mozilla.com 884 expires: never 885 headless: 886 description: > 887 Boolean indicated whether graphics is running in 888 headless (no display) mode 889 (Migrated from the geckoview metric of the same name). 890 type: boolean 891 # Temporary misuse of the user lifetime approved by Glean team 892 # due to limitations in Geckoview streaming telemetry. 893 # DO NOT DUPLICATE unless approved by Glean team. 894 lifetime: user 895 bugs: 896 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 897 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 898 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 899 data_reviews: 900 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 901 notification_emails: 902 - gfx-telemetry-alerts@mozilla.com 903 expires: never 904 905 gfx.content.frame_time: 906 from_paint: 907 type: custom_distribution 908 range_max: 5000 909 bucket_count: 50 910 histogram_type: exponential 911 unit: Percentage of vsync interval 912 telemetry_mirror: CONTENT_FRAME_TIME 913 description: > 914 The time, in percentage of a vsync interval, spent from beginning a paint 915 in the content process until that frame is presented in the compositor. 916 (Migrated from the geckoview metric of the same name). 917 bugs: 918 - https://bugzilla.mozilla.org/show_bug.cgi?id=1470528 919 - https://bugzilla.mozilla.org/show_bug.cgi?id=1509536 920 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 921 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 922 data_reviews: 923 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 924 notification_emails: 925 - gfx-telemetry-alerts@mozilla.com 926 - jnicol@mozilla.com 927 expires: never 928 929 from_vsync: 930 type: custom_distribution 931 range_min: 8 932 range_max: 792 933 bucket_count: 100 934 histogram_type: linear 935 unit: Percentage of vsync interval 936 telemetry_mirror: CONTENT_FRAME_TIME_VSYNC 937 description: > 938 The time, in percentage of a vsync interval, spent from the vsync that 939 started a paint in the content process until that frame is presented in 940 the compositor. 941 (Migrated from the geckoview metric of the same name). 942 bugs: 943 - https://bugzilla.mozilla.org/show_bug.cgi?id=1517355 944 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 945 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 946 data_reviews: 947 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 948 notification_emails: 949 - gfx-telemetry-alerts@mozilla.com 950 expires: never 951 952 with_svg: 953 type: custom_distribution 954 range_max: 5000 955 bucket_count: 50 956 histogram_type: exponential 957 unit: Percentage of vsync interval 958 telemetry_mirror: CONTENT_FRAME_TIME_WITH_SVG 959 description: > 960 The time, in percentage of a vsync interval, spent from beginning a paint 961 in the content process until that frame is presented in the compositor, 962 for frames that contained an SVG to be drawn by webrender. 963 (Migrated from the geckoview metric of the same name). 964 bugs: 965 - https://bugzilla.mozilla.org/show_bug.cgi?id=1483549 966 - https://bugzilla.mozilla.org/show_bug.cgi?id=1509536 967 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 968 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 969 data_reviews: 970 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 971 notification_emails: 972 - gfx-telemetry-alerts@mozilla.com 973 expires: never 974 975 without_resource_upload: 976 type: custom_distribution 977 range_max: 5000 978 bucket_count: 50 979 histogram_type: exponential 980 unit: Percentage of vsync interval 981 telemetry_mirror: CONTENT_FRAME_TIME_WITHOUT_RESOURCE_UPLOAD 982 description: > 983 The time, in percentage of a vsync interval, spent from beginning a paint 984 in the content process until that frame is presented in the compositor by 985 webrender, excluding time spent uploading resources. 986 (Migrated from the geckoview metric of the same name). 987 bugs: 988 - https://bugzilla.mozilla.org/show_bug.cgi?id=1503405 989 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 990 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 991 data_reviews: 992 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 993 notification_emails: 994 - gfx-telemetry-alerts@mozilla.com 995 expires: never 996 997 without_upload: 998 type: custom_distribution 999 range_max: 5000 1000 bucket_count: 50 1001 histogram_type: exponential 1002 unit: Percentage of vsync interval 1003 telemetry_mirror: CONTENT_FRAME_TIME_WITHOUT_UPLOAD 1004 description: > 1005 The time, in percentage of a vsync interval, spent from beginning a paint 1006 in the content process until that frame is presented in the compositor by 1007 webrender, excluding time spent uploading any content. 1008 (Migrated from the geckoview metric of the same name). 1009 bugs: 1010 - https://bugzilla.mozilla.org/show_bug.cgi?id=1503405 1011 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 1012 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1013 data_reviews: 1014 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 1015 notification_emails: 1016 - gfx-telemetry-alerts@mozilla.com 1017 expires: never 1018 1019 reason: 1020 type: labeled_counter 1021 labels: 1022 - on_time 1023 - no_vsync 1024 - missed_composite 1025 - slow_composite 1026 - missed_composite_mid 1027 - missed_composite_long 1028 - missed_composite_low 1029 - no_vsync_no_id 1030 description: > 1031 The reason that `gfx.content.frame_time.from_paint` recorded a slow 1032 (>200ms) result, if any. 1033 (Migrated from the geckoview metric of the same name). 1034 bugs: 1035 - https://bugzilla.mozilla.org/show_bug.cgi?id=1510853 1036 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 1037 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1038 data_reviews: 1039 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 1040 notification_emails: 1041 - gfx-telemetry-alerts@mozilla.com 1042 expires: never 1043 1044 gfx.content: 1045 paint_time: 1046 type: timing_distribution 1047 time_unit: millisecond 1048 telemetry_mirror: CONTENT_PAINT_TIME 1049 description: > 1050 Time spent in the main-thread paint pipeline for content. 1051 For non-webrender, this includes display list building, layer building, 1052 and when OMTP is disabled, rasterization. 1053 For webrender, this includes display list building, and webrender display 1054 list building. 1055 (Migrated from the geckoview metric of the same name). 1056 bugs: 1057 - https://bugzilla.mozilla.org/show_bug.cgi?id=1309442 1058 - https://bugzilla.mozilla.org/show_bug.cgi?id=1489524 1059 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 1060 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1061 data_reviews: 1062 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 1063 notification_emails: 1064 - gfx-telemetry-alerts@mozilla.com 1065 expires: never 1066 1067 full_paint_time: 1068 type: timing_distribution 1069 time_unit: millisecond 1070 telemetry_mirror: CONTENT_FULL_PAINT_TIME 1071 description: > 1072 Time spent in the full paint pipeline for content until it's ready for 1073 composition. 1074 For non-webrender this includes `paint_time`, plus rasterization if OMTP 1075 is enabled. 1076 For webrender, this includes `paint_time`, plus scene building time. 1077 (Migrated from the geckoview metric of the same name). 1078 bugs: 1079 - https://bugzilla.mozilla.org/show_bug.cgi?id=1505858 1080 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109 1081 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1082 data_reviews: 1083 - https://bugzilla.mozilla.org/show_bug.cgi?id=1584109#c1 1084 notification_emails: 1085 - gfx-telemetry-alerts@mozilla.com 1086 - jmuizelaar@mozilla.com 1087 expires: never 1088 1089 small_paint_phase_weight_partial: 1090 type: labeled_custom_distribution 1091 description: > 1092 Percentages of times for phases in a normal content paint relative to the 1093 time spent in the entire normal paint. ("dl" = Display list, "wrdl" = 1094 WebRender display list, "sb" = Scene building, "fb" = Frame building) 1095 1096 This metric was generated to correspond to the Legacy Telemetry linear 1097 histogram CONTENT_SMALL_PAINT_PHASE_WEIGHT_PARTIAL. 1098 range_min: 1 1099 range_max: 100 1100 bucket_count: 12 1101 histogram_type: linear 1102 unit: percent 1103 labels: 1104 - dl 1105 - wrdl 1106 - sb 1107 - fb 1108 bugs: 1109 - https://bugzilla.mozilla.org/show_bug.cgi?id=1430897 1110 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1111 data_reviews: 1112 - https://bugzilla.mozilla.org/show_bug.cgi?id=1430897 1113 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1114 notification_emails: 1115 - gfx-telemetry-alerts@mozilla.com 1116 - mmynttinen@mozilla.com 1117 expires: never 1118 telemetry_mirror: CONTENT_SMALL_PAINT_PHASE_WEIGHT_PARTIAL 1119 1120 large_paint_phase_weight_partial: 1121 type: labeled_custom_distribution 1122 description: > 1123 Percentages of times for phases in an expensive content paint relative to 1124 the time spent in the entire expensive paint. ("dl" = Display list, "wrdl" 1125 = WebRender display list, "sb" = Scene building, "fb" = Frame building) 1126 1127 This metric was generated to correspond to the Legacy Telemetry linear 1128 histogram CONTENT_LARGE_PAINT_PHASE_WEIGHT_PARTIAL. 1129 range_min: 1 1130 range_max: 100 1131 bucket_count: 12 1132 histogram_type: linear 1133 unit: percent 1134 labels: 1135 - dl 1136 - wrdl 1137 - sb 1138 - fb 1139 bugs: 1140 - https://bugzilla.mozilla.org/show_bug.cgi?id=1309442 1141 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1142 data_reviews: 1143 - https://bugzilla.mozilla.org/show_bug.cgi?id=1309442 1144 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1145 notification_emails: 1146 - gfx-telemetry-alerts@mozilla.com 1147 - mmynttinen@mozilla.com 1148 expires: never 1149 telemetry_mirror: CONTENT_LARGE_PAINT_PHASE_WEIGHT_PARTIAL 1150 1151 small_paint_phase_weight_full: 1152 type: labeled_custom_distribution 1153 description: > 1154 Percentages of times for phases in a normal content paint relative to the 1155 time spent in the entire normal paint. ("dl" = Display list, "wrdl" = 1156 WebRender display list, "sb" = Scene building, "fb" = Frame building) 1157 1158 This metric was generated to correspond to the Legacy Telemetry linear 1159 histogram CONTENT_SMALL_PAINT_PHASE_WEIGHT_FULL. 1160 range_min: 1 1161 range_max: 100 1162 bucket_count: 12 1163 histogram_type: linear 1164 unit: percent 1165 labels: 1166 - dl 1167 - wrdl 1168 - sb 1169 - fb 1170 bugs: 1171 - https://bugzilla.mozilla.org/show_bug.cgi?id=1430897 1172 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1173 data_reviews: 1174 - https://bugzilla.mozilla.org/show_bug.cgi?id=1430897 1175 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1176 notification_emails: 1177 - gfx-telemetry-alerts@mozilla.com 1178 - mmynttinen@mozilla.com 1179 expires: never 1180 telemetry_mirror: CONTENT_SMALL_PAINT_PHASE_WEIGHT_FULL 1181 1182 large_paint_phase_weight_full: 1183 type: labeled_custom_distribution 1184 description: > 1185 Percentages of times for phases in an expensive content paint relative to 1186 the time spent in the entire expensive paint. ("dl" = Display list, "wrdl" 1187 = WebRender display list, "sb" = Scene building, "fb" = Frame building) 1188 1189 This metric was generated to correspond to the Legacy Telemetry linear 1190 histogram CONTENT_LARGE_PAINT_PHASE_WEIGHT_FULL. 1191 range_min: 1 1192 range_max: 100 1193 bucket_count: 12 1194 histogram_type: linear 1195 unit: percent 1196 labels: 1197 - dl 1198 - wrdl 1199 - sb 1200 - fb 1201 bugs: 1202 - https://bugzilla.mozilla.org/show_bug.cgi?id=1309442 1203 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1204 data_reviews: 1205 - https://bugzilla.mozilla.org/show_bug.cgi?id=1309442 1206 - https://bugzilla.mozilla.org/show_bug.cgi?id=1518134 1207 notification_emails: 1208 - gfx-telemetry-alerts@mozilla.com 1209 - mmynttinen@mozilla.com 1210 expires: never 1211 telemetry_mirror: CONTENT_LARGE_PAINT_PHASE_WEIGHT_FULL 1212 1213 gfx.adapter.primary: 1214 description: 1215 description: > 1216 Long form description of the Graphics adapter 1217 (Migrated from the geckoview metric of the same name). 1218 type: string 1219 # Temporary misuse of the user lifetime approved by Glean team 1220 # due to limitations in Geckoview streaming telemetry. 1221 # DO NOT DUPLICATE unless approved by Glean team. 1222 lifetime: user 1223 bugs: 1224 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1225 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1226 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1227 data_reviews: 1228 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1229 notification_emails: 1230 - gfx-telemetry-alerts@mozilla.com 1231 expires: never 1232 1233 vendor_id: 1234 description: > 1235 Graphics adapter vendor identification 1236 (Migrated from the geckoview metric of the same name). 1237 type: string 1238 # Temporary misuse of the user lifetime approved by Glean team 1239 # due to limitations in Geckoview streaming telemetry. 1240 # DO NOT DUPLICATE unless approved by Glean team. 1241 lifetime: user 1242 bugs: 1243 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1244 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1245 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1246 data_reviews: 1247 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1248 notification_emails: 1249 - gfx-telemetry-alerts@mozilla.com 1250 expires: never 1251 1252 device_id: 1253 description: > 1254 Graphics adapter device identification 1255 (Migrated from the geckoview metric of the same name). 1256 type: string 1257 # Temporary misuse of the user lifetime approved by Glean team 1258 # due to limitations in Geckoview streaming telemetry. 1259 # DO NOT DUPLICATE unless approved by Glean team. 1260 lifetime: user 1261 bugs: 1262 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1263 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1264 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1265 data_reviews: 1266 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1267 notification_emails: 1268 - gfx-telemetry-alerts@mozilla.com 1269 expires: never 1270 1271 subsystem_id: 1272 description: > 1273 Graphics adapter subsystem identification 1274 (Migrated from the geckoview metric of the same name). 1275 type: string 1276 # Temporary misuse of the user lifetime approved by Glean team 1277 # due to limitations in Geckoview streaming telemetry. 1278 # DO NOT DUPLICATE unless approved by Glean team. 1279 lifetime: user 1280 bugs: 1281 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1282 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1283 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1284 data_reviews: 1285 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1286 notification_emails: 1287 - gfx-telemetry-alerts@mozilla.com 1288 expires: never 1289 1290 ram: 1291 description: > 1292 Graphics adapter dedicated memory 1293 (Migrated from the geckoview metric of the same name). 1294 type: quantity 1295 unit: Megabytes 1296 # Temporary misuse of the user lifetime approved by Glean team 1297 # due to limitations in Geckoview streaming telemetry. 1298 # DO NOT DUPLICATE unless approved by Glean team. 1299 lifetime: user 1300 bugs: 1301 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1302 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1303 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1304 data_reviews: 1305 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1306 notification_emails: 1307 - gfx-telemetry-alerts@mozilla.com 1308 expires: never 1309 1310 driver_files: 1311 description: > 1312 List of graphics adapter driver files 1313 (Migrated from the geckoview metric of the same name). 1314 type: string 1315 # Temporary misuse of the user lifetime approved by Glean team 1316 # due to limitations in Geckoview streaming telemetry. 1317 # DO NOT DUPLICATE unless approved by Glean team. 1318 lifetime: user 1319 bugs: 1320 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1321 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1322 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1323 data_reviews: 1324 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1325 notification_emails: 1326 - gfx-telemetry-alerts@mozilla.com 1327 expires: never 1328 1329 driver_vendor: 1330 description: > 1331 Graphics adapter driver vendor identification 1332 (Migrated from the geckoview metric of the same name). 1333 type: string 1334 # Temporary misuse of the user lifetime approved by Glean team 1335 # due to limitations in Geckoview streaming telemetry. 1336 # DO NOT DUPLICATE unless approved by Glean team. 1337 lifetime: user 1338 bugs: 1339 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1340 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1341 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1342 data_reviews: 1343 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1344 notification_emails: 1345 - gfx-telemetry-alerts@mozilla.com 1346 expires: never 1347 1348 driver_version: 1349 description: > 1350 Graphics adapter driver version 1351 (Migrated from the geckoview metric of the same name). 1352 type: string 1353 # Temporary misuse of the user lifetime approved by Glean team 1354 # due to limitations in Geckoview streaming telemetry. 1355 # DO NOT DUPLICATE unless approved by Glean team. 1356 lifetime: user 1357 bugs: 1358 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1359 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1360 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1361 data_reviews: 1362 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1363 notification_emails: 1364 - gfx-telemetry-alerts@mozilla.com 1365 expires: never 1366 1367 driver_date: 1368 description: > 1369 Graphics adapter driver date 1370 (Migrated from the geckoview metric of the same name). 1371 type: string 1372 # Temporary misuse of the user lifetime approved by Glean team 1373 # due to limitations in Geckoview streaming telemetry. 1374 # DO NOT DUPLICATE unless approved by Glean team. 1375 lifetime: user 1376 bugs: 1377 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145 1378 - https://bugzilla.mozilla.org/show_bug.cgi?id=1687219 1379 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1380 data_reviews: 1381 - https://bugzilla.mozilla.org/show_bug.cgi?id=1594145#c4 1382 notification_emails: 1383 - gfx-telemetry-alerts@mozilla.com 1384 expires: never 1385 1386 1387 performance.interaction: 1388 keypress_present_latency: 1389 type: timing_distribution 1390 time_unit: millisecond 1391 telemetry_mirror: KEYPRESS_PRESENT_LATENCY 1392 description: > 1393 Time between receiving a keypress event in the event loop and compositing 1394 its result onto the screen. 1395 (Migrated from the geckoview metric of the same name). 1396 bugs: 1397 - https://bugzilla.mozilla.org/show_bug.cgi?id=1506537 1398 - https://bugzilla.mozilla.org/show_bug.cgi?id=1580077 1399 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1400 data_reviews: 1401 - https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10 1402 notification_emails: 1403 - perf-telemetry-alerts@mozilla.com 1404 - vchin@mozilla.com 1405 expires: never 1406 1407 mouseup_click_present_latency: 1408 type: timing_distribution 1409 time_unit: millisecond 1410 telemetry_mirror: MOUSEUP_FOLLOWED_BY_CLICK_PRESENT_LATENCY 1411 description: > 1412 Time between receiving a mouseup which follow by a mouseclick 1413 on the event loop and compositing its result onto the screen. 1414 (Migrated from the geckoview metric of the same name). 1415 bugs: 1416 - https://bugzilla.mozilla.org/show_bug.cgi?id=1698643 1417 - https://bugzilla.mozilla.org/show_bug.cgi?id=1875170 1418 data_reviews: 1419 - https://bugzilla.mozilla.org/show_bug.cgi?id=1698643#c3 1420 notification_emails: 1421 - perf-telemetry-alerts@mozilla.com 1422 - sefeng@mozilla.com 1423 expires: never 1424 1425 gfx.hdr: 1426 windows_display_colorspace_bitfield: 1427 type: quantity 1428 description: > 1429 A bitfield representation of the available DXGI color spaces of the 1430 connected displays on Windows. See (https://docs.microsoft.com/en- 1431 us/windows/desktop/api/dxgicommon/ne-dxgicommon- 1432 dxgi_color_space_type) for definitions of color spaces. Each N'th 1433 bit of this scalar indicates whether the DXGI color space with index 1434 'N' is available on at least one connected monitor. 1435 This metric was generated to correspond to the Legacy Telemetry 1436 scalar gfx.hdr.windows_display_colorspace_bitfield. 1437 bugs: 1438 - https://bugzil.la/1514840 1439 - https://bugzil.la/1690597 1440 data_reviews: 1441 - https://bugzil.la/1514840 1442 - https://bugzil.la/1690597 1443 notification_emails: 1444 - gfx-telemetry-alerts@mozilla.com 1445 - jmuizelaaar@mozilla.com 1446 expires: never 1447 unit: bitfield 1448 telemetry_mirror: GFX_HDR_WINDOWS_DISPLAY_COLORSPACE_BITFIELD 1449 1450 fontlist: 1451 initotherfamilynames: 1452 type: timing_distribution 1453 description: > 1454 Time(ms) spent on reading other family names from all fonts 1455 1456 This metric was generated to correspond to the Legacy Telemetry 1457 exponential histogram FONTLIST_INITOTHERFAMILYNAMES. 1458 time_unit: millisecond 1459 bugs: 1460 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1461 data_reviews: 1462 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1463 notification_emails: 1464 - gfx-telemetry-alerts@mozilla.com 1465 expires: never 1466 telemetry_mirror: FONTLIST_INITOTHERFAMILYNAMES 1467 1468 initotherfamilynames_no_deferring: 1469 type: timing_distribution 1470 description: > 1471 Time(ms) spent on reading other family names from all fonts for no timeout 1472 case 1473 1474 This metric was generated to correspond to the Legacy Telemetry 1475 exponential histogram FONTLIST_INITOTHERFAMILYNAMES_NO_DEFERRING. 1476 time_unit: millisecond 1477 bugs: 1478 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1479 data_reviews: 1480 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1481 notification_emails: 1482 - gfx-telemetry-alerts@mozilla.com 1483 expires: never 1484 telemetry_mirror: FONTLIST_INITOTHERFAMILYNAMES_NO_DEFERRING 1485 1486 initfacenamelists: 1487 type: timing_distribution 1488 description: > 1489 Time(ms) spent on reading family names from all fonts 1490 1491 This metric was generated to correspond to the Legacy Telemetry 1492 exponential histogram FONTLIST_INITFACENAMELISTS. 1493 time_unit: millisecond 1494 bugs: 1495 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1496 data_reviews: 1497 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1498 notification_emails: 1499 - gfx-telemetry-alerts@mozilla.com 1500 expires: never 1501 telemetry_mirror: FONTLIST_INITFACENAMELISTS 1502 1503 bundledfonts_activate: 1504 type: timing_distribution 1505 description: > 1506 Time(ms) spent activating additional fonts bundled with the product 1507 1508 This metric was generated to correspond to the Legacy Telemetry 1509 exponential histogram FONTLIST_BUNDLEDFONTS_ACTIVATE. 1510 time_unit: millisecond 1511 bugs: 1512 - https://bugzilla.mozilla.org/show_bug.cgi?id=1696162 1513 data_reviews: 1514 - https://bugzilla.mozilla.org/show_bug.cgi?id=1696162 1515 notification_emails: 1516 - gfx-telemetry-alerts@mozilla.com 1517 expires: never 1518 telemetry_mirror: FONTLIST_BUNDLEDFONTS_ACTIVATE 1519 1520 dwritefont_delayedinit_total: 1521 type: timing_distribution 1522 description: > 1523 gfxDWriteFontList::DelayedInitFontList Total (ms) 1524 1525 This metric was generated to correspond to the Legacy Telemetry 1526 exponential histogram DWRITEFONT_DELAYEDINITFONTLIST_TOTAL. 1527 time_unit: millisecond 1528 bugs: 1529 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1530 data_reviews: 1531 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1532 notification_emails: 1533 - gfx-telemetry-alerts@mozilla.com 1534 expires: never 1535 telemetry_mirror: DWRITEFONT_DELAYEDINITFONTLIST_TOTAL 1536 1537 dwritefont_delayedinit_count: 1538 type: custom_distribution 1539 description: > 1540 gfxDWriteFontList::DelayedInitFontList Font Family Count 1541 1542 This metric was generated to correspond to the Legacy Telemetry 1543 exponential histogram DWRITEFONT_DELAYEDINITFONTLIST_COUNT. 1544 range_min: 1 1545 range_max: 10000 1546 bucket_count: 10 1547 histogram_type: exponential 1548 unit: font family count 1549 bugs: 1550 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1551 data_reviews: 1552 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1553 notification_emails: 1554 - gfx-telemetry-alerts@mozilla.com 1555 expires: never 1556 telemetry_mirror: DWRITEFONT_DELAYEDINITFONTLIST_COUNT 1557 1558 dwritefont_delayedinit_collect: 1559 type: timing_distribution 1560 description: > 1561 gfxDWriteFontList::DelayedInitFontList GetSystemFontCollection (ms) 1562 1563 This metric was generated to correspond to the Legacy Telemetry 1564 exponential histogram DWRITEFONT_DELAYEDINITFONTLIST_COLLECT. 1565 time_unit: millisecond 1566 bugs: 1567 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1568 data_reviews: 1569 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1570 notification_emails: 1571 - gfx-telemetry-alerts@mozilla.com 1572 expires: never 1573 telemetry_mirror: DWRITEFONT_DELAYEDINITFONTLIST_COLLECT 1574 1575 dwritefont_init_problem: 1576 type: custom_distribution 1577 description: > 1578 DirectWrite system fontlist initialization problem (1=GDI interop, 1579 2=system font collection, 3=no fonts) 1580 1581 This metric was generated to correspond to the Legacy Telemetry enumerated 1582 histogram DWRITEFONT_INIT_PROBLEM. 1583 range_min: 0 1584 range_max: 8 1585 bucket_count: 9 1586 histogram_type: linear 1587 bugs: 1588 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1589 data_reviews: 1590 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1591 notification_emails: 1592 - gfx-telemetry-alerts@mozilla.com 1593 expires: never 1594 telemetry_mirror: DWRITEFONT_INIT_PROBLEM 1595 1596 system_font_fallback: 1597 type: timing_distribution 1598 description: > 1599 System font fallback (us) 1600 1601 This metric was generated to correspond to the Legacy Telemetry 1602 exponential histogram SYSTEM_FONT_FALLBACK. 1603 time_unit: microsecond 1604 bugs: 1605 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1606 data_reviews: 1607 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1608 notification_emails: 1609 - gfx-telemetry-alerts@mozilla.com 1610 expires: never 1611 telemetry_mirror: SYSTEM_FONT_FALLBACK 1612 1613 system_font_fallback_first: 1614 type: timing_distribution 1615 description: > 1616 System font fallback, first call (ms) 1617 1618 This metric was generated to correspond to the Legacy Telemetry 1619 exponential histogram SYSTEM_FONT_FALLBACK_FIRST. 1620 time_unit: millisecond 1621 bugs: 1622 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1623 data_reviews: 1624 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1625 notification_emails: 1626 - gfx-telemetry-alerts@mozilla.com 1627 expires: never 1628 telemetry_mirror: SYSTEM_FONT_FALLBACK_FIRST 1629 1630 font_cache_hit: 1631 type: labeled_counter 1632 description: > 1633 font cache hit 1634 1635 This metric was generated to correspond to the Legacy Telemetry boolean 1636 histogram FONT_CACHE_HIT. 1637 labels: 1638 - "false" 1639 - "true" 1640 bugs: 1641 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1642 data_reviews: 1643 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1644 notification_emails: 1645 - gfx-telemetry-alerts@mozilla.com 1646 expires: never 1647 telemetry_mirror: h#FONT_CACHE_HIT 1648 1649 bad_fallback_font: 1650 type: labeled_counter 1651 description: > 1652 system fallback font can't be used 1653 1654 This metric was generated to correspond to the Legacy Telemetry boolean 1655 histogram BAD_FALLBACK_FONT. 1656 labels: 1657 - "false" 1658 - "true" 1659 bugs: 1660 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1661 data_reviews: 1662 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1663 notification_emails: 1664 - gfx-telemetry-alerts@mozilla.com 1665 expires: never 1666 telemetry_mirror: h#BAD_FALLBACK_FONT 1667 1668 mac_init_total: 1669 type: timing_distribution 1670 description: > 1671 gfxMacPlatformFontList::InitFontList Total (ms) 1672 1673 This metric was generated to correspond to the Legacy Telemetry 1674 exponential histogram MAC_INITFONTLIST_TOTAL. 1675 time_unit: millisecond 1676 bugs: 1677 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1678 data_reviews: 1679 - https://bugzilla.mozilla.org/show_bug.cgi?id=1935420 1680 notification_emails: 1681 - gfx-telemetry-alerts@mozilla.com 1682 expires: never 1683 telemetry_mirror: MAC_INITFONTLIST_TOTAL 1684 1685 apz_zoom: 1686 activity: 1687 type: labeled_counter 1688 description: > 1689 Whether non-RDM page had user-triggered zooming activity 1690 1691 This metric was generated to correspond to the Legacy Telemetry boolean 1692 histogram APZ_ZOOM_ACTIVITY. 1693 labels: 1694 - "false" 1695 - "true" 1696 bugs: 1697 - https://bugzilla.mozilla.org/show_bug.cgi?id=1627708 1698 - https://bugzilla.mozilla.org/show_bug.cgi?id=1672576 1699 data_reviews: 1700 - https://bugzilla.mozilla.org/show_bug.cgi?id=1627708 1701 - https://bugzilla.mozilla.org/show_bug.cgi?id=1672576 1702 notification_emails: 1703 - botond@mozilla.com 1704 expires: never 1705 telemetry_mirror: h#APZ_ZOOM_ACTIVITY 1706 1707 pinchsource: 1708 type: custom_distribution 1709 description: > 1710 Input device that triggered the zoom gesture 1711 (InputData::PinchGestureSource) 1712 1713 This metric was generated to correspond to the Legacy Telemetry enumerated 1714 histogram APZ_ZOOM_PINCHSOURCE. 1715 range_min: 0 1716 range_max: 5 1717 bucket_count: 6 1718 histogram_type: linear 1719 bugs: 1720 - https://bugzilla.mozilla.org/show_bug.cgi?id=1627708 1721 - https://bugzilla.mozilla.org/show_bug.cgi?id=1672576 1722 data_reviews: 1723 - https://bugzilla.mozilla.org/show_bug.cgi?id=1627708 1724 - https://bugzilla.mozilla.org/show_bug.cgi?id=1672576 1725 notification_emails: 1726 - botond@mozilla.com 1727 expires: never 1728 telemetry_mirror: APZ_ZOOM_PINCHSOURCE 1729 1730 webfont: 1731 download_time: 1732 type: timing_distribution 1733 description: > 1734 Time to download a webfont (ms) 1735 1736 This metric was generated to correspond to the Legacy Telemetry 1737 exponential histogram WEBFONT_DOWNLOAD_TIME. 1738 time_unit: millisecond 1739 bugs: 1740 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1741 data_reviews: 1742 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1743 notification_emails: 1744 - jkew@mozilla.com 1745 expires: never 1746 telemetry_mirror: WEBFONT_DOWNLOAD_TIME 1747 1748 fonttype: 1749 type: custom_distribution 1750 description: > 1751 Font format type (woff/woff2/ttf/...) 1752 1753 This metric was generated to correspond to the Legacy Telemetry enumerated 1754 histogram WEBFONT_FONTTYPE. 1755 range_min: 0 1756 range_max: 10 1757 bucket_count: 11 1758 histogram_type: linear 1759 bugs: 1760 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1761 data_reviews: 1762 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1763 notification_emails: 1764 - jkew@mozilla.com 1765 expires: never 1766 telemetry_mirror: WEBFONT_FONTTYPE 1767 1768 srctype: 1769 type: custom_distribution 1770 description: > 1771 Font src type loaded (1 = local, 2 = url, 3 = data) 1772 1773 This metric was generated to correspond to the Legacy Telemetry enumerated 1774 histogram WEBFONT_SRCTYPE. 1775 range_min: 0 1776 range_max: 5 1777 bucket_count: 6 1778 histogram_type: linear 1779 bugs: 1780 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1781 data_reviews: 1782 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1783 notification_emails: 1784 - jkew@mozilla.com 1785 expires: never 1786 telemetry_mirror: WEBFONT_SRCTYPE 1787 1788 per_page: 1789 type: counter 1790 description: > 1791 Number of fonts loaded at page load 1792 1793 This metric was generated to correspond to the Legacy Telemetry count 1794 histogram WEBFONT_PER_PAGE. 1795 bugs: 1796 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1797 data_reviews: 1798 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1799 notification_emails: 1800 - jkew@mozilla.com 1801 expires: never 1802 telemetry_mirror: h#WEBFONT_PER_PAGE 1803 1804 size_per_page: 1805 type: memory_distribution 1806 description: > 1807 Size of all fonts loaded at page load (kb) 1808 1809 This metric was generated to correspond to the Legacy Telemetry 1810 exponential histogram WEBFONT_SIZE_PER_PAGE. 1811 memory_unit: kilobyte 1812 bugs: 1813 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1814 data_reviews: 1815 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1816 notification_emails: 1817 - jkew@mozilla.com 1818 expires: never 1819 telemetry_mirror: WEBFONT_SIZE_PER_PAGE 1820 1821 size: 1822 type: memory_distribution 1823 description: > 1824 Size of font loaded (kb) 1825 1826 This metric was generated to correspond to the Legacy Telemetry 1827 exponential histogram WEBFONT_SIZE. 1828 memory_unit: kilobyte 1829 bugs: 1830 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1831 data_reviews: 1832 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1833 notification_emails: 1834 - jkew@mozilla.com 1835 expires: never 1836 telemetry_mirror: WEBFONT_SIZE 1837 1838 compression_woff: 1839 type: custom_distribution 1840 description: > 1841 Compression ratio of WOFF data (%) 1842 1843 This metric was generated to correspond to the Legacy Telemetry enumerated 1844 histogram WEBFONT_COMPRESSION_WOFF. 1845 range_min: 0 1846 range_max: 50 1847 bucket_count: 51 1848 histogram_type: linear 1849 bugs: 1850 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1851 data_reviews: 1852 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1853 notification_emails: 1854 - jkew@mozilla.com 1855 expires: never 1856 telemetry_mirror: WEBFONT_COMPRESSION_WOFF 1857 1858 compression_woff2: 1859 type: custom_distribution 1860 description: > 1861 Compression ratio of WOFF2 data (%) 1862 1863 This metric was generated to correspond to the Legacy Telemetry enumerated 1864 histogram WEBFONT_COMPRESSION_WOFF2. 1865 range_min: 0 1866 range_max: 50 1867 bucket_count: 51 1868 histogram_type: linear 1869 bugs: 1870 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1871 data_reviews: 1872 - https://bugzilla.mozilla.org/show_bug.cgi?id=1950710 1873 notification_emails: 1874 - jkew@mozilla.com 1875 expires: never 1876 telemetry_mirror: WEBFONT_COMPRESSION_WOFF2