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2021-02-02Merge release-20210125.0-62-g5f7bf3152 (automated)gVisor bot
2021-02-02Stub out basic `runsc events --stat` CPU functionalityKevin Krakauer
Because we lack gVisor-internal cgroups, we take the CPU usage of the entire pod and divide it proportionally according to sentry-internal usage stats. This fixes `kubectl top pods`, which gets a pod's CPU usage by summing the usage of its containers. Addresses #172. PiperOrigin-RevId: 355229833
2021-01-05Merge release-20201208.0-109-gb06e5bc5b (automated)gVisor bot
2021-01-05Add benchmarks targets to BuildKite.Adin Scannell
This includes minor fix-ups: * Handle SIGTERM in runsc debug, to exit gracefully. * Fix cmd.debug.go opening all profiles as RDONLY. * Fix the test name in fio_test.go, and encode the block size in the test. PiperOrigin-RevId: 350205718
2020-12-30Merge release-20201208.0-91-g85c1c3ed4 (automated)gVisor bot
2020-12-29Make profiling commands synchronous.Adin Scannell
This allows for a model of profiling when you can start collection, and it will terminate when the sandbox terminates. Without this synchronous call, it is effectively impossible to collect length blocking and mutex profiles. PiperOrigin-RevId: 349483418
2020-12-14Merge release-20201208.0-42-g65e4ed8fb (automated)gVisor bot
2020-12-14Do not check for reference leaks after saving.Dean Deng
We should not assert that all resources are dropped after saving. PiperOrigin-RevId: 347420131
2020-12-11Merge release-20201208.0-31-g4cba3904f (automated)gVisor bot
2020-12-11Remove existing nogo exceptions.Adin Scannell
PiperOrigin-RevId: 347047550
2020-10-24Merge release-20201019.0-51-g9f87400f0 (automated)gVisor bot
2020-10-23Support VFS2 save/restore.Jamie Liu
Inode number consistency checks are now skipped in save/restore tests for reasons described in greatest detail in StatTest.StateDoesntChangeAfterRename. They pass in VFS1 due to the bug described in new test case SimpleStatTest.DifferentFilesHaveDifferentDeviceInodeNumberPairs. Fixes #1663 PiperOrigin-RevId: 338776148
2020-10-13Merge release-20200928.0-102-g432963dd2 (automated)gVisor bot
2020-10-13[vfs2] Don't take reference in Task.MountNamespaceVFS2 and MountNamespace.Root.Dean Deng
This fixes reference leaks related to accidentally forgetting to DecRef() after calling one or the other. PiperOrigin-RevId: 336918922
2020-09-04Merge release-20200818.0-124-g2202812e0 (automated)gVisor bot
2020-09-04Simplify FD handling for container start/execFabricio Voznika
VFS1 and VFS2 host FDs have different dupping behavior, making error prone to code for both. Change the contract so that FDs are released as they are used, so the caller can simple defer a block that closes all remaining files. This also addresses handling of partial failures. With this fix, more VFS2 tests can be enabled. Updates #1487 PiperOrigin-RevId: 330112266
2020-08-05Merge release-20200804.0-19-g190b1e6bd (automated)gVisor bot
2020-08-05Stop profiling when the sentry exitsFabricio Voznika
Also removes `--profile-goroutine` because it's equivalent to `debug --stacks`. PiperOrigin-RevId: 325061502
2020-08-03Merge release-20200622.1-313-gb2ae7ea1b (automated)gVisor bot
2020-08-03Plumbing context.Context to DecRef() and Release().Nayana Bidari
context is passed to DecRef() and Release() which is needed for SO_LINGER implementation. PiperOrigin-RevId: 324672584
2020-06-17Merge release-20200608.0-75-ga5f4deeca (automated)gVisor bot
2020-06-17Internal change.gVisor bot
PiperOrigin-RevId: 316973783
2020-06-09Merge release-20200522.0-99-g4e96b9491 (automated)gVisor bot
2020-06-08Combine executable lookup codeFabricio Voznika
Run vs. exec, VFS1 vs. VFS2 were executable lookup were slightly different from each other. Combine them all into the same logic. PiperOrigin-RevId: 315426443
2020-05-29Merge release-20200522.0-43-g93edb36c (automated)gVisor bot
2020-05-29Refactor the ResolveExecutablePath logic.Nicolas Lacasse
PiperOrigin-RevId: 313871804
2020-05-27Merge release-20200518.0-45-g0bc022b7 (automated)gVisor bot
2020-05-04Merge release-20200422.0-16-gcbc5bef (automated)gVisor bot
2020-05-04Add TTY support on VFS2 to runscFabricio Voznika
Updates #1623, #1487 PiperOrigin-RevId: 309777922
2020-03-26Merge release-20200219.0-251-g137f361 (automated)gVisor bot
2020-03-26Use host-defined file owner and mode, when possible, for imported fds.Dean Deng
Using the host-defined file owner matches VFS1. It is more correct to use the host-defined mode, since the cached value may become out of date. However, kernfs.Inode.Mode() does not return an error--other filesystems on kernfs are in-memory so retrieving mode should not fail. Therefore, if the host syscall fails, we rely on a cached value instead. Updates #1672. PiperOrigin-RevId: 303220864
2020-03-06Merge release-20200219.0-124-g228813f (automated)gVisor bot
2020-03-06Update comments and debug level for profiling options.Dean Deng
PiperOrigin-RevId: 299448307
2020-03-06Merge release-20200219.0-109-g6367963 (automated)gVisor bot
2020-02-26add profile optionmoricho
2020-02-14Merge release-20200211.0-20-ge4c7f3e (automated)gVisor bot
2020-02-14Inline vfs.VirtualFilesystem in Kernel structgVisor bot
This saves one pointer dereference per VFS access. Updates #1623 PiperOrigin-RevId: 295216176
2020-02-14Merge release-20200211.0-17-g4075de1 (automated)gVisor bot
2020-02-14Plumb VFS2 inside the SentrygVisor bot
- Added fsbridge package with interface that can be used to open and read from VFS1 and VFS2 files. - Converted ELF loader to use fsbridge - Added VFS2 types to FSContext - Added vfs.MountNamespace to ThreadGroup Updates #1623 PiperOrigin-RevId: 295183950
2020-02-06Merge release-20200127.0-85-g1b6a12a (automated)gVisor bot
2020-01-27Standardize on tools directory.Adin Scannell
PiperOrigin-RevId: 291745021
2020-01-10Merge release-20191213.0-96-g27500d5 (automated)gVisor bot
2020-01-09New sync package.Ian Gudger
* Rename syncutil to sync. * Add aliases to sync types. * Replace existing usage of standard library sync package. This will make it easier to swap out synchronization primitives. For example, this will allow us to use primitives from github.com/sasha-s/go-deadlock to check for lock ordering violations. Updates #1472 PiperOrigin-RevId: 289033387
2019-12-11Merge release-20191129.0-45-gf8c5ad0 (automated)gVisor bot
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
2019-12-07Merge release-20191129.0-18-g371e210 (automated)gVisor bot
2019-12-06Add runtime tracing.Adin Scannell
This adds meaningful annotations to the trace generated by the runtime/trace package. PiperOrigin-RevId: 284290115
2019-12-06Merge release-20191129.0-14-g663fe84 (automated)gVisor bot
2019-12-06Implement TTY field in control.Processes().Nicolas Lacasse
Threadgroups already know their TTY (if they have one), which now contains the TTY Index, and is returned in the Processes() call. PiperOrigin-RevId: 284263850
2019-09-12Remove go_test from go_stateify and go_marshalMichael Pratt
They are no-ops, so the standard rule works fine. PiperOrigin-RevId: 268776264
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