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docs: linux core dump instructions (#2690)

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Yury Semikhatsky 2020-06-24 10:04:11 -07:00 committed by GitHub
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browser_patches/webkit/cheatsheet.md
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@ -5,3 +5,15 @@ In `Source\WTF\wtf\win\DbgHelperWin.cpp` replace
```#if !defined(NDEBUG)``` with ```#if 1```
Then regular `WTFReportBacktrace()` works.
### Enable core dumps on Linux
```bash
mkdir -p /tmp/coredumps
sudo bash -c 'echo "/tmp/coredumps/core-pid_%p.dump" > /proc/sys/kernel/core_pattern'
ulimit -c unlimited
```
Then to read stack traces run the following command:
```bash
Tools/jhbuild/jhbuild-wrapper --wpe run gdb --batch -ex "thread apply all bt" WebKitBuild/WPE/Release/bin/MiniBrowser /tmp/coredumps/core-pid_29652.dump &> trace.txt
```