GET
https://www.speedscope.app/
[HTTP/2 304  70ms]

GET
https://www.speedscope.app/speedscope-GHPHNKXC.css
[HTTP/3 200 OK 0ms]

GET
https://www.speedscope.app/speedscope-YI5LLI47.js
[HTTP/3 200  0ms]

GET
https://www.speedscope.app/chunk-JFPBPGZ4.js
[HTTP/3 200  0ms]

GET
https://www.speedscope.app/source-map-5DQ363YZ.js
[HTTP/3 200  0ms]

GET
https://www.speedscope.app/chunk-FW4363Y4.js
[HTTP/3 200  0ms]

GET
https://www.speedscope.app/SourceCodePro-Regular.ttf-ILST5JV6.woff2
[HTTP/3 200  0ms]

GET
https://www.speedscope.app/demangle-B53S5JWH.js
[HTTP/3 200  0ms]

GET
https://www.speedscope.app/import-2JMDXOIJ.js
[HTTP/3 200  0ms]

speedscope v1.22.2 speedscope-YI5LLI47.js:185:25290
WebGL initialized. renderer: null, vendor: null, version: WebGL 1.0 speedscope-YI5LLI47.js:167:1925
GET
https://www.speedscope.app/favicon-16x16-VSI62OPJ.png
[HTTP/3 200  0ms]

Importing as speedscope json file import-2JMDXOIJ.js:4:35604
import: 0ms - timer ended speedscope-YI5LLI47.js:185:18554
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    draw graphics.ts:449
    render rectangle-batch-renderer.ts:140
    writeToAtlasIfNeeded row-atlas.ts:70
    dt utils.ts:19
    writeToAtlasIfNeeded row-atlas.ts:59
    render flamechart-renderer.ts:323
    renderRects flamechart-minimap-view.tsx:88
    setViewport canvas-context.ts:72
    renderBehind canvas-context.ts:85
    renderRects flamechart-minimap-view.tsx:87
    onBeforeFrame flamechart-minimap-view.tsx:223
    onBeforeFrame canvas-context.ts:63
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-minimap-view.tsx:228
    overlayCanvasRef flamechart-minimap-view.tsx:419
    Preact 76
    a atom.ts:149
    set atom.ts:120
    set atom.ts:120
    set profile-group.ts:62
    setProfileGroup profile-group.ts:71
    loadProfile application.tsx:225
    loadFromFile application.tsx:234
    onFileSelect application.tsx:466
    Preact 23
speedscope-YI5LLI47.js:1:25317
WebGL warning: texImage: Requested size at this level is unsupported.
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
The resource at “https://www.speedscope.app/SourceCodePro-Regular.ttf-ILST5JV6.woff2” preloaded with link preload was not used within a few seconds. Make sure all attributes of the preload tag are set correctly. www.speedscope.app
Source map error: Error: URL constructor:  is not a valid URL.
Stack in the worker:resolveSourceMapURL@resource://devtools/client/shared/source-map-loader/utils/fetchSourceMap.js:56:22
getOriginalURLs@resource://devtools/client/shared/source-map-loader/source-map.js:73:24
workerHandler/</<@resource://devtools/client/shared/worker-utils.js:115:52
workerHandler/<@resource://devtools/client/shared/worker-utils.js:113:13

Resource URL: wasm:https://www.speedscope.app/demangle-B53S5JWH.js%20line%201%20%3E%20WebAssembly.instantiate
Source Map URL: null
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    (Async: FrameRequestCallback)
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
speedscope-YI5LLI47.js:1:25317
WebGL warning: checkFramebufferStatus: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0: Attachment has no width or height.
After reporting 32, no further warnings will be reported for this WebGL context.
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
52 speedscope-YI5LLI47.js:1:25317
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    (Async: FrameRequestCallback)
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseMove flamechart-pan-zoom-view.tsx:685
    Preact 31
Uncaught Error: Assertion failed.
    H graphics.ts:34
    get framebuffer graphics.ts:1379
    _updateRenderTargetAndViewport graphics.ts:574
    clear graphics.ts:501
    onBeforeFrame canvas-context.ts:60
    requestFrame canvas-context.ts:53
    renderCanvas flamechart-pan-zoom-view.tsx:526
    onMouseLeave flamechart-pan-zoom-view.tsx:691
    Preact 31
speedscope-YI5LLI47.js:1:25317
