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Wrap advanced logger buffer cursor when the logging area is full #408
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os-d
reviewed
Jan 17, 2024
kuqin12
commented
Jan 17, 2024
Updated the logic so that the wrap takes the first place. And the uncrustify juju
…to clean_adv_buf
os-d
reviewed
Jan 18, 2024
os-d
approved these changes
Jan 18, 2024
apop5
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Jan 18, 2024
kenlautner
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Jan 19, 2024
## Description The advanced logging at runtime is lack of usage. However, this becomes increasingly important for server platforms, where the system could potentially stay up for months, or even years. This will make the advanced logger fill up the buffer during runtime/MM logging well ahead of a reset event, making the buffer content stale when being reviewed. This change added a feature PCD guarded feature that, when enabled, will automatically wrap the LogCurrent cursor to the beginning and continue to log. This will effectively create a circular buffer as the stale content will remain in place. The tooling update is still under development. - [x] Impacts functionality? - **Functionality** - Does the change ultimately impact how firmware functions? - Examples: Add a new library, publish a new PPI, update an algorithm, ... - [ ] Impacts security? - **Security** - Does the change have a direct security impact on an application, flow, or firmware? - Examples: Crypto algorithm change, buffer overflow fix, parameter validation improvement, ... - [ ] Breaking change? - **Breaking change** - Will anyone consuming this change experience a break in build or boot behavior? - Examples: Add a new library class, move a module to a different repo, call a function in a new library class in a pre-existing module, ... - [x] Includes tests? - **Tests** - Does the change include any explicit test code? - Examples: Unit tests, integration tests, robot tests, ... - [ ] Includes documentation? - **Documentation** - Does the change contain explicit documentation additions outside direct code modifications (and comments)? - Examples: Update readme file, add feature readme file, link to documentation on an a separate Web page, ... ## How This Was Tested This was tested on QEMU Q35 along with the UEFI shell based test app to verify that the entry after wrapping is correct and is multi-threading safe. ## Integration Instructions Platforms can enable this feature by setting `gAdvLoggerPkgTokenSpaceGuid.PcdAdvancedLoggerAutoClearEnable|TRUE`
ProjectMuBot
referenced
this pull request
in microsoft/mu_tiano_platforms
Jan 20, 2024
Introduces 4 new commits in [Common/MU](https://github.com/microsoft/mu_plus.git). <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/microsoft/mu_plus/commit/ca8ab999088f2df2e59ef79bdd8eeecbe8ac0051">ca8ab9</a> .git-blame-ignore-revs: Ignore Line Ending and Uncrustify only commits (<a href="https://github.com/microsoft/mu_plus/pull/404">#404</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/69d1c094ca61f6d12e8c8e172b07576120e6d259">69d1c0</a> Fixing uninitialized variable build error (<a href="https://github.com/microsoft/mu_plus/pull/406">#406</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/de34c204964c15253b49725c8a0420951c0f20ee">de34c2</a> pip: bump edk2-pytool-library from 0.19.8 to 0.19.9 (<a href="https://github.com/microsoft/mu_plus/pull/407">#407</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/d269a99999db22f015c61acf8d610e7078b64b3e">d269a9</a> Wrap advanced logger buffer cursor when the logging area is full (<a href="https://github.com/microsoft/mu_plus/pull/408">#408</a>)</li> </ul> </details> Signed-off-by: Project Mu Bot <mubot@microsoft.com>
ProjectMuBot
referenced
this pull request
in microsoft/mu_tiano_platforms
Jan 21, 2024
Introduces 8 new commits in [Common/MU](https://github.com/microsoft/mu_plus.git). <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/microsoft/mu_plus/commit/ca8ab999088f2df2e59ef79bdd8eeecbe8ac0051">ca8ab9</a> .git-blame-ignore-revs: Ignore Line Ending and Uncrustify only commits (<a href="https://github.com/microsoft/mu_plus/pull/404">#404</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/69d1c094ca61f6d12e8c8e172b07576120e6d259">69d1c0</a> Fixing uninitialized variable build error (<a href="https://github.com/microsoft/mu_plus/pull/406">#406</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/de34c204964c15253b49725c8a0420951c0f20ee">de34c2</a> pip: bump edk2-pytool-library from 0.19.8 to 0.19.9 (<a href="https://github.com/microsoft/mu_plus/pull/407">#407</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/d269a99999db22f015c61acf8d610e7078b64b3e">d269a9</a> Wrap advanced logger buffer cursor when the logging area is full (<a href="https://github.com/microsoft/mu_plus/pull/408">#408</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/c56b9d8809d511e3c7674c18fab09de9915e1fad">c56b9d</a> Removed references to openssllib and it's associated libraries (<a href="https://github.com/microsoft/mu_plus/pull/410">#410</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/f434085d775f0963c5f62e0517bace8ca70b5529">f43408</a> Repo File Sync: Add Cargo features to Makefile.toml (<a href="https://github.com/microsoft/mu_plus/pull/409">#409</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/a6a9f878693a1ab8fcbb0b06576b4acb149ecfd9">a6a9f8</a> AdvLoggerPkg: 64-bit SEC & PEI C Code changes</li> <li><a href="https://github.com/microsoft/mu_plus/commit/d19b1ee73f14ed1f4f921daa3ae7116c92acb811">d19b1e</a> AdvLoggerPkg/SecDebugAgent: Update for 64-bit</li> </ul> </details> Signed-off-by: Project Mu Bot <mubot@microsoft.com>
ProjectMuBot
referenced
this pull request
in microsoft/mu_tiano_platforms
Feb 6, 2024
Introduces 84 new commits in [Common/MU](https://github.com/microsoft/mu_plus.git). <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/microsoft/mu_plus/commit/aee3120915d9811fecb6f8f86f3c1e97adf57ed6">aee312</a> Update readme for the 202308 release</li> <li><a href="https://github.com/microsoft/mu_plus/commit/0e9ec1e6e2c06c0c0e9730869dd0c667df889b87">0e9ec1</a> Updated override for DisplayEngineDxe.inf</li> <li><a href="https://github.com/microsoft/mu_plus/commit/c8771a2f1d74d772faade363e6895d4aa981e26d">c8771a</a> Updated Readme to include changes made since the last release</li> <li><a href="https://github.com/microsoft/mu_plus/commit/22cf122e60c409a035a89fd9bc2fc54fb2f3fd2a">22cf12</a> TEMP COMMIT: use test branches for submodules</li> <li><a href="https://github.com/microsoft/mu_plus/commit/8f57057e10ac45110328f04a35eb03b77f4d31be">8f5705</a> Add HiiKeyboardLayout crate to support UEFI HII Keyboard Layouts (<a href="https://github.com/microsoft/mu_plus/pull/342">#342</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/d881e0bafc2b8360a3a2c20b2d9ed22a1422d366">d881e0</a> TpmTestingPkg: Add InputChannelLib (<a href="https://github.com/microsoft/mu_plus/pull/352">#352</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/1114f7d8fecad3353ab74613e7120f32176df446">1114f7</a> Repo File Sync: MuDevOpsWrapper.yml - Add code coverage calculation parameter (<a href="https://github.com/microsoft/mu_plus/pull/349">#349</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/dd3fde8efe4ac5c6b2f40e5c21101bb98b00016d">dd3fde</a> AdvLoggerPkg: Add PanicLib instance (<a href="https://github.com/microsoft/mu_plus/pull/348">#348</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/f4a54346dff7ec10234b580239f2d5dca3f9db61">f4a543</a> Add HID Keyboard support to UefiHidDxe (<a href="https://github.com/microsoft/mu_plus/pull/347">#347</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/610c0c1b167054db6366d1494a8098ac70772b4c">610c0c</a> Add log retrieval info to main readme (<a href="https://github.com/microsoft/mu_plus/pull/355">#355</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/9c591f3251ad34f4f7074796609b4b26d0fdcab0">9c591f</a> Repo File Sync: Update to Mu DevOps 7.2.0 (<a href="https://github.com/microsoft/mu_plus/pull/357">#357</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/59b8047e9036a352a88fc0d02e7113d2beba6f7d">59b804</a> Fixed logic related to DxeCore only advanced logger (<a href="https://github.com/microsoft/mu_plus/pull/359">#359</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/825d5ef66ca5008f5c39859c49a2176a75d59fe7">825d5e</a> Inspect `mLoggerInfo` before accessing in the event callback (<a href="https://github.com/microsoft/mu_plus/pull/345">#345</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/e0982bb83fe14127000cffdb2d5ee47a396b4311">e0982b</a> Resolve deadlock in RustBootServicesAllocatorDxe (<a href="https://github.com/microsoft/mu_plus/pull/358">#358</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/da5b6b2779722335e0010681f43c30e22083ca5b">da5b6b</a> Fix rust advlogger deadlock (<a href="https://github.com/microsoft/mu_plus/pull/356">#356</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/641bdd79a00e78f77a71104400f9871ef5677bc5">641bdd</a> Add SetProtocol command to force devices to Report Mode (<a href="https://github.com/microsoft/mu_plus/pull/361">#361</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/29de4df8a957f6da4a5f86c838111e566892bbb0">29de4d</a> GitHub Action: Bump actions/github-script from 6 to 7 (<a href="https://github.com/microsoft/mu_plus/pull/364">#364</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/51de1edca89895a4f1c27c794da8364905cd3f72">51de1e</a> Integration steps for mu_devops@9.0.1</li> <li><a href="https://github.com/microsoft/mu_plus/commit/641b6a9ab44398b00ade162fa154fe951afe0d88">641b6a</a> Repo File Sync: synced file(s) with microsoft/mu_devops</li> <li><a href="https://github.com/microsoft/mu_plus/commit/04025428304728493a5befbacfdcbc1de482ea3f">040254</a> Use New Stack Cookie Library (<a href="https://github.com/microsoft/mu_plus/pull/367">#367</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/ab13309c02b2eea7e71a6b6951241e37b3efe6aa">ab1330</a> Repo File Sync: synced file(s) with microsoft/mu_devops (<a href="https://github.com/microsoft/mu_plus/pull/369">#369</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/4614581b5b32374867cf759f3aaef15303d37c51">461458</a> Add Unaccepted Memory Type to Memory Protection Test App (<a href="https://github.com/microsoft/mu_plus/pull/371">#371</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/eb29cd2dfd96dd7cb7808b61d5daf0bb6326c5f9">eb29cd</a> TpmReplay: Add crypto agile log format support</li> <li><a href="https://github.com/microsoft/mu_plus/commit/8a91507cbdfba96e769375544284ca41ac7ddf04">8a9150</a> TpmReplay: Add UEFI variable decode support</li> <li><a href="https://github.com/microsoft/mu_plus/commit/d614e5b60dc2abdc0bc57fffa17ff18c6f77d4a2">d614e5</a> TpmTestingPkg/tcg_platform.py: Add SHA1 support</li> <li><a href="https://github.com/microsoft/mu_plus/commit/43c02644eda1bd22e6f78d7cc07ad8d6fd27720f">43c026</a> TpmReplay: Use a local logger</li> <li><a href="https://github.com/microsoft/mu_plus/commit/a58a7370aa00f5fa996417130c32d2e820cd3bb8">a58a73</a> TpmReplay: Add variable data hex view to log</li> <li><a href="https://github.com/microsoft/mu_plus/commit/f4a32ae462439d3823250948ea8660558efc9723">f4a32a</a> TpmTestingPkg/TpmReplayPei/Readme.md: Add new log and variable details</li> <li><a href="https://github.com/microsoft/mu_plus/commit/132d3583f7738fc4c15f884f4c1488614174f4cf">132d35</a> Remove locks from RustAdvancedLoggerDxe</li> <li><a href="https://github.com/microsoft/mu_plus/commit/0c369c29dbca0ec60f9907ea2fe4af60084a62c0">0c369c</a> Add function!() macro that yields current function name</li> <li><a href="https://github.com/microsoft/mu_plus/commit/7e7fd4084626134bf4c5b2aa0c9e98e073093347">7e7fd4</a> Add 'std' feature to RustAdvancedLoggerDxe which enables use of std::println instead of AdvLoggerProtocol - useful for test environments.</li> <li><a href="https://github.com/microsoft/mu_plus/commit/c209c243f2b40990c91c10df3ae4a270736ab17b">c209c2</a> Create separate FrameBufferMemDrawLib inf for PEI and DXE (<a href="https://github.com/microsoft/mu_plus/pull/373">#373</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/6876d73890b39bab36d7e92d7b3cc758c81cf93a">6876d7</a> MemoryProtectionTestApp: Separate Reset Method Init to Arch Specific Files (<a href="https://github.com/microsoft/mu_plus/pull/376">#376</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/ff8f8d35b36bbe4569c391033c7b110c5cc1c43d">ff8f8d</a> MsCorePkg/SecureBootKeyStoreLib: Add Library implementation (<a href="https://github.com/microsoft/mu_plus/pull/377">#377</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/a9a60670433c82635d8cd0841aed995fcee1454b">a9a606</a> pip: update to latest</li> <li><a href="https://github.com/microsoft/mu_plus/commit/2967422499962f355db17e2ba73d81694fc34439">296742</a> Minor debug print updates for DxePagingAuditTestApp (<a href="https://github.com/microsoft/mu_plus/pull/382">#382</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/ce3708db055619fdc4ca870773ef3d84d4b60a67">ce3708</a> DxePagingAudit: Update MemoryOutsideEfiMemoryMapIsInaccessible Test (<a href="https://github.com/microsoft/mu_plus/pull/381">#381</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/81cb602b3389821ea868d4e316c3f2d7d4853001">81cb60</a> GitHub Action: Bump actions/setup-python from 4 to 5 (<a href="https://github.com/microsoft/mu_plus/pull/383">#383</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/1c47d4a9aa60ddc690ba48dcdf5c8c087a494d67">1c47d4</a> Adding policy check for advanced file logger (<a href="https://github.com/microsoft/mu_plus/pull/384">#384</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/1c3b493b1aad8ab0b2fca5e5a4449f25059066a2">1c3b49</a> Add header guards missing in some files</li> <li><a href="https://github.com/microsoft/mu_plus/commit/ab2aa4d045b4a868cb10940193d370ab124ada4e">ab2aa4</a> MsWheaPkg/MsWheaEarlyStorageLib: Remove unused static function</li> <li><a href="https://github.com/microsoft/mu_plus/commit/7e75ea6ba6f8dc4684916f4979814fa9fc485418">7e75ea</a> MsWheaPkg/MsWheaEarlyStorageLib: Remove unsigned comparisons to zero</li> <li><a href="https://github.com/microsoft/mu_plus/commit/0e6136517ad67955a8f659ecf44f04a5a161e359">0e6136</a> MsGraphicsPkg/SimpleUIToolKit: Move array bounds check before access (<a href="https://github.com/microsoft/mu_plus/pull/386">#386</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/57a966eb9868f828c82ddd537e0cbdd542e2dabd">57a966</a> Implement a new version of UefiHidDxeV2 with significant improvements to unit test capability and general architecture. (<a href="https://github.com/microsoft/mu_plus/pull/374">#374</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/de375655dcd0bc59ddc0deee8a32d3285ba9dbc2">de3756</a> Updated CISettings.py for pipeline testing</li> <li><a href="https://github.com/microsoft/mu_plus/commit/e7665f1338708daf51e7d9e5a90d50edde959daa">e7665f</a> Update readme for the 202311 release</li> <li><a href="https://github.com/microsoft/mu_plus/commit/d084bbafe43dc7acf4c016dfafaba73f5932fa86">d084bb</a> Added patch notes for the release</li> <li><a href="https://github.com/microsoft/mu_plus/commit/345d45e3ac5b90f3bd0c7fa864645bea2a614fde">345d45</a> TEMP COMMIT: Updated submodules to point to the 2311_Staging branches</li> <li><a href="https://github.com/microsoft/mu_plus/commit/22485651a0184f889d47e838dc334730d251df44">224856</a> pip: bump edk2-pytool-library from 0.19.7 to 0.19.8 (<a href="https://github.com/microsoft/mu_plus/pull/391">#391</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/14e3a7e8063241c1c3f10eec405f4ebfd4545605">14e3a7</a> Rust Dependency: Update mockall requirement from 0.11.4 to 0.12.0 (<a href="https://github.com/microsoft/mu_plus/pull/392">#392</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/3876161653b33dd3f63c41f87a3fd66f186b454f">387616</a> Repo File Sync: Update GitHub actions in CodeQL workflow (<a href="https://github.com/microsoft/mu_plus/pull/396">#396</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/cb0bfb00f8253d112d2b27f50d76080209fe26b5">cb0bfb</a> pip: bump edk2-pytool-extensions from 0.26.3 to 0.26.4 (<a href="https://github.com/microsoft/mu_plus/pull/397">#397</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/4da1abcbcb73d9f0c7563fb94bf999643ec57573">4da1ab</a> Add PeiCore method to find AdvancedLogger log buffer if LoggerInfo is… (<a href="https://github.com/microsoft/mu_plus/pull/389">#389</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/e226d27cc6b7fb962b59bdf4eb9390b9e628d6c3">e226d2</a> pip: bump regex from 2023.10.3 to 2023.12.25 (<a href="https://github.com/microsoft/mu_plus/pull/398">#398</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/74cbde47afda456bc6f00f4ca4aa1f7134365dd4">74cbde</a> DxePagingAudit: Always Write Out All Files</li> <li><a href="https://github.com/microsoft/mu_plus/commit/1552e199f61be38c9d6deaeb6db4eebec889be94">1552e1</a> FlatPageTableLib: Add a Dump Table Function</li> <li><a href="https://github.com/microsoft/mu_plus/commit/c2c460f6ff53c3ffacb7892f925e620ed8f8b2fd">c2c460</a> FlatPageTableLib: Update GetRegionAccessAttributes()</li> <li><a href="https://github.com/microsoft/mu_plus/commit/27c1a73333926e1945728f33588c82f5d9822e9b">27c1a7</a> DxePagingAudit: Pre-allocate Memory For Maps in Shell Tests</li> <li><a href="https://github.com/microsoft/mu_plus/commit/7cf6eb4ecf3d424690586ae05b07e8d5da33455c">7cf6eb</a> DxePagingAudit: Add Function to Check Attributes Using GetRegionAccessAttributes()</li> <li><a href="https://github.com/microsoft/mu_plus/commit/61974f87fe0bc4962886b6e123687fe4da1c2967">61974f</a> DxePagingAudit: Update Shell Tests to Use the Validate Function</li> <li><a href="https://github.com/microsoft/mu_plus/commit/674ed4681057ab28be96616500eacb34bc4a9514">674ed4</a> Rust Dependency: Update scroll requirement from 0.11 to 0.12 (<a href="https://github.com/microsoft/mu_plus/pull/399">#399</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/13f2350370490831dd5750f8e49b8384bd2ee117">13f235</a> DxePagingAudit: Skip Stack Publishing if Stack Info Isn't Valid (<a href="https://github.com/microsoft/mu_plus/pull/400">#400</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/1fe0ab702995ff2885cdd67d238475f925414e13">1fe0ab</a> Fix DxePagingAuditTestApp Typo, Update FlatPageTableLib AARCH64 IsPageReadable() Check (<a href="https://github.com/microsoft/mu_plus/pull/402">#402</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/ad7b45a1ba9a56d710d02a7bc5b00377dd9a901b">ad7b45</a> Remove Pre-Split MemoryProtectionTestApp Files (<a href="https://github.com/microsoft/mu_plus/pull/405">#405</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/a19c8f19441370bff59cb6c5aae071ed7e0c2550">a19c8f</a> Add prefix for advanced logger memory message entries (<a href="https://github.com/microsoft/mu_plus/pull/388">#388</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/af59b6c082b9b4ebac0f96543c3aeaa0e449bde5">af59b6</a> .git-blame-ignore-revs: Ignore Line Ending and Uncrustify only commits (<a href="https://github.com/microsoft/mu_plus/pull/404">#404</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/2841d8e1c2a5eec55c696c0817ada2d64e8aab3e">2841d8</a> Fixing uninitialized variable build error (<a href="https://github.com/microsoft/mu_plus/pull/406">#406</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/41000b344e143d1dfbdbd1912f41497bf9608d31">41000b</a> pip: bump edk2-pytool-library from 0.19.8 to 0.19.9 (<a href="https://github.com/microsoft/mu_plus/pull/407">#407</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/de28d44946778394c9004aa2235ac01bd604d34c">de28d4</a> Wrap advanced logger buffer cursor when the logging area is full (<a href="https://github.com/microsoft/mu_plus/pull/408">#408</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/345c05818db7b8d27273043b22075e972c3751dd">345c05</a> Updated submodule branches to release 202311 and made compatibility changes associated with that</li> <li><a href="https://github.com/microsoft/mu_plus/commit/5d2471f48f6a638601c1cb9a105f650ce8cb928d">5d2471</a> Removed references to libraries that no longer exist</li> <li><a href="https://github.com/microsoft/mu_plus/commit/b39e5ccd5a72ce34cc7892edc99e3c9479baa898">b39e5c</a> Updated CISettings.py to use the edk2toolext codeql helpers (<a href="https://github.com/microsoft/mu_plus/pull/414">#414</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/6d5e0c5ff29037bbd02f20ccc37e4a25c4b5e806">6d5e0c</a> Add call to HdwPortInitialize() when instantiating logger in DXE (<a href="https://github.com/microsoft/mu_plus/pull/411">#411</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/3c47b5f8e2f2bce5533fe446be011938445103db">3c47b5</a> Fixing Advanced logger wrapping unit test (<a href="https://github.com/microsoft/mu_plus/pull/417">#417</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/d567b5e74c50c5fa814722e703174c55a5c285fb">d567b5</a> Adding a more adapt python tooling for Advanced Logger v4 (<a href="https://github.com/microsoft/mu_plus/pull/415">#415</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/5e8ac1d37eb330cebef1c5b8f2f0fcd9a4a74738">5e8ac1</a> Repo File Sync: Add Cargo features to Makefile.toml (<a href="https://github.com/microsoft/mu_plus/pull/409">#409</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/bd05d55d9c2d6dc6b057f795a27f67d1c0bfc0c4">bd05d5</a> AdvLoggerPkg: 64-bit SEC & PEI C Code changes</li> <li><a href="https://github.com/microsoft/mu_plus/commit/6d7c66583426a3b7d0978cb4e1e38ec92ce1561d">6d7c66</a> AdvLoggerPkg/SecDebugAgent: Update for 64-bit</li> <li><a href="https://github.com/microsoft/mu_plus/commit/cf46ce4a55be2ca552c1cc29743635d1edd243dd">cf46ce</a> GitHub Action: Bump actions/cache from 3 to 4 (<a href="https://github.com/microsoft/mu_plus/pull/412">#412</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/cd90897ac68d593c387800aebda9492e26f93519">cd9089</a> Update pip-requirements.txt (<a href="https://github.com/microsoft/mu_plus/pull/421">#421</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/2ea56de87830b3d8f280432c3461b4508f62a39e">2ea56d</a> GitHub Action: Bump robinraju/release-downloader from 1.8 to 1.9 (<a href="https://github.com/microsoft/mu_plus/pull/425">#425</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/1b10bac37eeb213ff99978bc051ed8b73608a014">1b10ba</a> Repo File Sync: synced file(s) with microsoft/mu_devops (<a href="https://github.com/microsoft/mu_plus/pull/427">#427</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/a3d2d5b54c1ad16215ed3b137cdb27618cda0f86">a3d2d5</a> pip: bump edk2-pytool-extensions from 0.27.0 to 0.27.2 (<a href="https://github.com/microsoft/mu_plus/pull/429">#429</a>)</li> <li><a href="https://github.com/microsoft/mu_plus/commit/c9d74b38897beb2993235ee14ef7fa86038c5e1d">c9d74b</a> Repo File Sync: 202311 Branch Transition Updates (<a href="https://github.com/microsoft/mu_plus/pull/430">#430</a>)</li> </ul> </details> Signed-off-by: Project Mu Bot <mubot@microsoft.com>
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Description
The advanced logging at runtime is lack of usage. However, this becomes increasingly important for server platforms, where the system could potentially stay up for months, or even years. This will make the advanced logger fill up the buffer during runtime/MM logging well ahead of a reset event, making the buffer content stale when being reviewed.
This change added a feature PCD guarded feature that, when enabled, will automatically wrap the LogCurrent cursor to the beginning and continue to log. This will effectively create a circular buffer as the stale content will remain in place. The tooling update is still under development.
flow, or firmware?
validation improvement, ...
in build or boot behavior?
a function in a new library class in a pre-existing module, ...
outside direct code modifications (and comments)?
on an a separate Web page, ...
How This Was Tested
This was tested on QEMU Q35 along with the UEFI shell based test app to verify that the entry after wrapping is correct and is multi-threading safe.
Integration Instructions
Platforms can enable this feature by setting
gAdvLoggerPkgTokenSpaceGuid.PcdAdvancedLoggerAutoClearEnable|TRUE