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path: root/runsc/cgroup/cgroup.go
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2020-10-19Fixes to cgroupsFabricio Voznika
There were a few problems with cgroups: - cleanup loop what breaking too early - parse of /proc/[pid]/cgroups was skipping "name=systemd" because "name=" was not being removed from name. - When no limits are specified, fillFromAncestor was not being called, causing a failure to set cpuset.mems Updates #4536 PiperOrigin-RevId: 337947356
2020-07-01cgroup: retry file writes on EINTR errorsAndrew Dunham
2020-06-10Cgroup fixesFabricio Voznika
- Set hugetlb related fields - Add realtime scheduler related fields - Beef up unit tests Updates #2713 PiperOrigin-RevId: 315797979
2020-06-10Skip pids.max if value is zeroFabricio Voznika
LinuxPids.Limit is the only optional cgroup field in OCI that is not a pointer. If value is 0 or negative it should be skipped. PiperOrigin-RevId: 315791909
2020-05-28Move Cleanup to its own packageFabricio Voznika
PiperOrigin-RevId: 313663382
2020-05-20Add hugetlb and rdma cgroups to runscFabricio Voznika
Updates #2713 PiperOrigin-RevId: 312559463
2020-04-24Propagate PID limit from OCI to sandbox cgroupFabricio Voznika
Closes #2489 PiperOrigin-RevId: 308362434
2019-12-15Set CPU number to CPU quotaAleksandr Razumov
When application is not cgroups-aware, it can spawn excessive threads which often defaults to CPU number. Introduce a opt-in flag that will set CPU number accordingly to CPU quota (if available). Fixes #1391
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
2019-04-29Change 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
2019-02-25Fix cgroup when path is relativeFabricio Voznika
This can happen when 'docker run --cgroup-parent=' flag is set. PiperOrigin-RevId: 235645559 Change-Id: Ieea3ae66939abadab621053551bf7d62d412e7ee
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
2019-01-09Restore to original cgroup after sandbox and gofer processes are createdFabricio Voznika
The original code assumed that it was safe to join and not restore cgroup, but Container.Run will not exit after calling start, making cgroup cleanup fail because there were still processes inside the cgroup. PiperOrigin-RevId: 228529199 Change-Id: I12a48d9adab4bbb02f20d71ec99598c336cbfe51
2018-12-28Simplify synchronization between runsc and sandbox processFabricio Voznika
Make 'runsc create' join cgroup before creating sandbox process. This removes the need to synchronize platform creation and ensure that sandbox process is charged to the right cgroup from the start. PiperOrigin-RevId: 227166451 Change-Id: Ieb4b18e6ca0daf7b331dc897699ca419bc5ee3a2
2018-10-25Uninstall() should not fail if a cgroup directory doesn't existAndrei Vagin
It can be occurred if two controllers are mounted together or if Uninstall() is called on a error path. PiperOrigin-RevId: 218723886 Change-Id: I69d7a3c0685a7da38527ea8b7b301dbe96268285
2018-10-21Updated cleanup code to be more explicit about ignoring errors.Ian Lewis
Errors are shown as being ignored by assigning to the blank identifier. PiperOrigin-RevId: 218103819 Change-Id: I7cc7b9d8ac503a03de5504ebdeb99ed30a531cf2
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-10-17Make removing cgroups retry up to 5 seconds.Nicolas Lacasse
Sometimes if we try to remove the cgroup directory too soon after killing the sandbox we EBUSY. This CL adds a retry (up to 5 seconds) for removing. Deflakes ChrootTest. PiperOrigin-RevId: 217526909 Change-Id: I749bb172117e2298c9888ecad094072393b94810
2018-10-11Sandbox cgroup testsFabricio Voznika
Verify that cgroup is being properly set. PiperOrigin-RevId: 216736137 Change-Id: I0e27fd604eca67e7dd2e3548dc372ca9cc416309
2018-10-10Add sandbox to cgroupFabricio Voznika
Sandbox creation uses the limits and reservations configured in the OCI spec and set cgroup options accordinly. Then it puts both the sandbox and gofer processes inside the cgroup. It also allows the cgroup to be pre-configured by the caller. If the cgroup already exists, sandbox and gofer processes will join the cgroup but it will not modify the cgroup with spec limits. PiperOrigin-RevId: 216538209 Change-Id: If2c65ffedf55820baab743a0edcfb091b89c1019
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