GitHub pull request #3270 of commit d952f0b1556584e77815288417e4ce8971e625e8, no merge conflicts.sha1origin/pr/3270/mergeghprbActualCommitd952f0b1556584e77815288417e4ce8971e625e8ghprbActualCommitAuthorghprbActualCommitAuthorEmailghprbAuthorRepoGitUrlhttps://github.com/pizhenwei/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginyonghong-songghprbTriggerAuthorLoginMention@yonghong-songghprbPullId3270ghprbTargetBranchmasterghprbSourceBranchvirtiostatGIT_BRANCHvirtiostatghprbPullAuthorEmailghprbPullAuthorLoginpizhenweighprbPullAuthorLoginMention@pizhenweighprbPullDescriptionGitHub pull request #3270 of commit d952f0b1556584e77815288417e4ce8971e625e8, no merge conflicts.ghprbPullTitletools/virtiostat: add virtiostat toolghprbPullLinkhttps://github.com/iovisor/bcc/pull/3270ghprbPullLongDescriptionAdd a new tool virtiostat to trace VIRTIO devices IO statistics.\r\n\r\nAlthough we have already had iostat(to show block device statistics),\r\niftop(to show network device statistics), other devices of VIRTIO\r\nfamily(Ex, console, balloon, GPU and so on) also need tools for each\r\ntype. virtiostat works in virtio lower layer, and it could trace all\r\nthe devices.\r\n\r\nSigned-off-by: zhenwei pi <pizhenwei@bytedance.com>ghprbCommentBody[buildbot, ok to test]ghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113false<a title="tools/virtiostat: add virtiostat tool" href="https://github.com/iovisor/bcc/pull/3270">PR #3270</a>: tools/virtiostat: add virti...#84511788177460664bcc-pr #845845false8456762SUCCESS1613956613469https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/845/git845https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc25/845/845https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc26/845/845https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc27/845/845https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc28/845/845https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=ubuntu1604/845/845https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=ubuntu1710/845/845https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=ubuntu1804/845/