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path: root/runsc/cmd/debug.go
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2020-11-05Fix failure setting OOM score adjustmentFabricio Voznika
When OOM score adjustment needs to be set, all the containers need to be loaded to find all containers that belong to the sandbox. However, each load signals the container to ensure it is still alive. OOM score adjustment is set during creation and deletion of every container, generating a flood of signals to all containers. The fix removes the signal check when it's not needed. There is also a race fetching OOM score adjustment value from the parent when the sandbox exits at the same time (the time it took to signal containers above made this window quite large). The fix is to store the original value in the sandbox state file and use it when the value needs to be restored. Also add more logging and made the existing ones more consistent to help with debugging. PiperOrigin-RevId: 340940799
2020-08-19Move boot.Config to its own packageFabricio Voznika
Updates #3494 PiperOrigin-RevId: 327548511
2020-08-05Stop profiling when the sentry exitsFabricio Voznika
Also removes `--profile-goroutine` because it's equivalent to `debug --stacks`. PiperOrigin-RevId: 325061502
2020-02-26add profile optionmoricho
2020-02-10Add flag package to limit visibility.Adin Scannell
PiperOrigin-RevId: 294297004
2019-12-11runsc/debug: add an option to list all processesAndrei Vagin
runsc debug --ps list all processes with all threads. This option is added to the debug command but not to the ps command, because it is going to be used for debug purposes and we want to add any useful information without thinking about backward compatibility. This will help to investigate syzkaller issues. PiperOrigin-RevId: 285013668
2019-12-06Add runtime tracing.Adin Scannell
This adds meaningful annotations to the trace generated by the runtime/trace package. PiperOrigin-RevId: 284290115
2019-06-24Allow to change logging options using 'runsc debug'Fabricio Voznika
New options are: runsc debug --strace=off|all|function1,function2 runsc debug --log-level=warning|info|debug runsc debug --log-packets=true|false Updates #407 PiperOrigin-RevId: 254843128
2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
2019-05-30Add support for collecting execution trace to runsc.Bhasker Hariharan
Updates #220 PiperOrigin-RevId: 250532302
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-03-11Add profiling commands to runscFabricio Voznika
Example: runsc debug --root=<dir> \ --profile-heap=/tmp/heap.prof \ --profile-cpu=/tmp/cpu.prod --profile-delay=30 \ <container ID> PiperOrigin-RevId: 237848456 Change-Id: Icff3f20c1b157a84d0922599eaea327320dad773
2019-01-18Scrub runsc error messagesFabricio Voznika
Removed "error" and "failed to" prefix that don't add value from messages. Adjusted a few other messages. In particular, when the container fail to start, the message returned is easier for humans to read: $ docker run --rm --runtime=runsc alpine foobar docker: Error response from daemon: OCI runtime start failed: <path> did not terminate sucessfully: starting container: starting root container [foobar]: starting sandbox: searching for executable "foobar", cwd: "/", $PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin": no such file or directory Closes #77 PiperOrigin-RevId: 230022798 Change-Id: I83339017c70dae09e4f9f8e0ea2e554c4d5d5cd1
2018-11-28Internal change.Googler
PiperOrigin-RevId: 223231273 Change-Id: I8fb97ea91f7507b4918f7ce6562890611513fc30
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-10-09Add tests to verify gofer is chroot'edFabricio Voznika
PiperOrigin-RevId: 216472439 Change-Id: Ic4cb86c8e0a9cb022d3ceed9dc5615266c307cf9
2018-09-13runsc: Support container signal/wait.Lantao Liu
This CL: 1) Fix `runsc wait`, it now also works after the container exits; 2) Generate correct container state in Load; 2) Make sure `Destory` cleanup everything before successfully return. PiperOrigin-RevId: 212900107 Change-Id: Ie129cbb9d74f8151a18364f1fc0b2603eac4109a
2018-08-27Add command-line parameter to trigger panic on signalFabricio Voznika
This is to troubleshoot problems with a hung process that is not responding to 'runsc debug --stack' command. PiperOrigin-RevId: 210483513 Change-Id: I4377b210b4e51bc8a281ad34fd94f3df13d9187d
2018-08-21Initial change for multi-gofer supportFabricio Voznika
PiperOrigin-RevId: 209647293 Change-Id: I980fca1257ea3fcce796388a049c353b0303a8a5
2018-06-20Add 'runsc debug' commandFabricio Voznika
It prints sandbox stacks to the log to help debug stuckness. I expect that many more options will be added in the future. PiperOrigin-RevId: 201405931 Change-Id: I87e560800cd5a5a7b210dc25a5661363c8c3a16e
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