diff options
Diffstat (limited to 'llvm_tools/README.md')
| -rw-r--r-- | llvm_tools/README.md | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/llvm_tools/README.md b/llvm_tools/README.md index 1c1862d8..783ec22d 100644 --- a/llvm_tools/README.md +++ b/llvm_tools/README.md @@ -278,6 +278,7 @@ $ ./auto_llvm_bisection.py --start_rev 369410 --end_rev 369420 \ --last_tested /abs/path/to/last_tested_file.json \ --extra_change_lists 513590 1394249 \ --options latest-toolchain nochromesdk \ + --chroot_path /path/to/chromeos/chroot \ --builder eve-release-tryjob ``` @@ -488,7 +489,7 @@ these synthesized numbers and git SHAs. Usage should be straightforward: 6f635f90929da9545dd696071a829a1a42f84b30 ~> ./git_llvm_rev.py --llvm_dir llvm-project-copy/ --sha 6f635f90929da9545dd696071a829a1a42f84b30 r380000 -~> ./git_llvm_rev.py --llvm_dir llvm-project-copy/ --sha origin/master +~> ./git_llvm_rev.py --llvm_dir llvm-project-copy/ --sha origin/some-branch r387778 ``` @@ -550,3 +551,44 @@ PYTHONPATH=../ ./nightly_revert_checker.py \ --llvm_dir llvm-project-copy \ --chromeos_dir ../../../../ ``` + +### `bisect_clang_crashes.py` + +This script downloads clang crash diagnoses from +gs://chromeos-toolchain-artifacts/clang-crash-diagnoses and sends them to 4c for +bisection. + +Usage example: + +``` +$ ./bisect_clang_crashes.py --4c 4c-cli --state_file ./output/state.json +``` + +The above command downloads the artifacts of clang crash diagnoses and send them +to 4c server for bisection. The summary of submitted jobs will be saved in +output/state.json under the current path. The output directory will be created +automatically if it does not exist yet. To get more information of the submitted +jobs, please refer to go/4c-cli. + +### `upload_lexan_crashes_to_forcey.py` + +This script downloads clang crash diagnoses from Lexan's bucket and sends them +to 4c for bisection. + +Usage example: + +``` +$ ./upload_lexan_crashes_to_forcey.py --4c 4c-cli \ + --state_file ./output/state.json +``` + +The above command downloads the artifacts of clang crash diagnoses and send them +to 4c server for bisection. The summary of submitted jobs will be saved in +output/state.json under the current path. The output directory will be created +automatically if it does not exist yet. To get more information of the submitted +jobs, please refer to go/4c-cli. + +Note that it's recommended to 'seed' the state file with a most recent upload +date. This can be done by running this tool *once* with a `--last_date` flag. +This flag has the script override whatever's in the state file (if anything) and +start submitting all crashes uploaded starting at the given day. |