diff options
Diffstat (limited to 'externals/breakpad/docs/linux_core_handler.md')
| -rw-r--r-- | externals/breakpad/docs/linux_core_handler.md | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/externals/breakpad/docs/linux_core_handler.md b/externals/breakpad/docs/linux_core_handler.md deleted file mode 100644 index 558940f2b6..0000000000 --- a/externals/breakpad/docs/linux_core_handler.md +++ /dev/null @@ -1,39 +0,0 @@ -# How To Use Breakpad As a Coredump Handler on Linux - -This document presents a way to use Breakpad in order to generate -minidumps system wide on Linux. - -Please refer to [Linux starter guide](./linux_starter_guide.md) if -instead you want to integrate breakpad into your application. - -## Motivation - -When working on an embedded system, disk and memory space is often -limited and when a process crashes it must be restarted as soon as -possible. Sometime saving a full coredump takes to much time or -consumes too much space. - -## Breakpad Core Handler - -In such case the program `core_handler` can be use to generate -minidumps instead of coredumps. `core_handler` reads the firsts -sections of the coredump (where the various threads are described) -generated by Linux from the standard input and then directly reads -`/proc/<pid>/mem` to reconstruct the stacktraces. - -One can test it with: - -``` -# echo "|/usr/libexec/core_handler %P /var/lib/minidump/%e-%i.md" > - /proc/sys/kernel/core_pattern -# echo 1 > /proc/sys/kernel/core_pipe_limit -``` - -Be aware that a real world integration would likely require further -customization and so `core_handler` can be wrapped into a script (for -example to change the permission of the minidump file or to signal the -presence of the minidump to another service). - -Please refer to -[core(5)](https://man7.org/linux/man-pages/man5/core.5.html) for more -details. |
