65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
From 6cb95facf78e07863b671adf6f3073101babe896 Mon Sep 17 00:00:00 2001
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From: dengguangxing <dengguangxing@huawei.com>
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Date: Thu, 18 Jan 2018 11:47:04 +0800
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Subject: [PATCH] runc: print cgroup info if cpuset missing occurs
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[Changelog]: print cgroup info if cpuset missing occurs
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[Author]:Shukui Yang
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Change-Id: I3f8af2b57b441f5f2b4d38cb89d6826a7f24e24b
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Signed-off-by: dengguangxing <dengguangxing@huawei.com>
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---
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libcontainer/cgroups/fs/cpuset.go | 22 ++++++++++++++++++++++
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1 file changed, 22 insertions(+)
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diff --git a/libcontainer/cgroups/fs/cpuset.go b/libcontainer/cgroups/fs/cpuset.go
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index 550baa4..c05a6f6 100644
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--- a/libcontainer/cgroups/fs/cpuset.go
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+++ b/libcontainer/cgroups/fs/cpuset.go
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@@ -2,6 +2,7 @@ package fs
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import (
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"errors"
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+ "io/ioutil"
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"os"
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"path/filepath"
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"strconv"
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@@ -12,6 +13,7 @@ import (
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"github.com/opencontainers/runc/libcontainer/cgroups"
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"github.com/opencontainers/runc/libcontainer/cgroups/fscommon"
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"github.com/opencontainers/runc/libcontainer/configs"
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+ "github.com/sirupsen/logrus"
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)
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type CpusetGroup struct{}
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@@ -172,6 +174,26 @@ func (s *CpusetGroup) ApplyDir(dir string, r *configs.Resources, pid int) error
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}
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func getCpusetSubsystemSettings(parent string) (cpus, mems string, err error) {
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+ defer func() {
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+ if err != nil {
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+ minfo, err1 := ioutil.ReadFile("/proc/self/mountinfo")
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+ if err1 != nil {
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+ logrus.Errorf("Failed to read mountinfo when getSubsystemSettings get an error")
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+ }
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+
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+ dirInfo := ""
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+ fs, err2 := ioutil.ReadDir(parent)
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+ if err2 != nil {
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+ logrus.Errorf("Failed to read mountinfo when getSubsystemSettings get an error")
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+ }
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+ for _, f := range fs {
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+ dirInfo = dirInfo + " " + f.Name()
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+ }
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+
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+ logrus.Errorf("Read cpuset cgroup failed, print mountinfo and cgroup info here"+
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+ "path: %s, mountinfo: [%s], dirinfo: [%s]", parent, string(minfo), dirInfo)
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+ }
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+ }()
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if cpus, err = cgroups.ReadFile(parent, "cpuset.cpus"); err != nil {
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return
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}
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--
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2.33.0
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