GitHub pull request #3303 of commit a0849a3653b7120334daf04e19dcc8ff72631fe7, no merge conflicts.sha1origin/pr/3303/mergeghprbActualCommita0849a3653b7120334daf04e19dcc8ff72631fe7ghprbActualCommitAuthorghprbActualCommitAuthorEmailghprbAuthorRepoGitUrlhttps://github.com/ethercflow/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginyonghong-songghprbTriggerAuthorLoginMention@yonghong-songghprbPullId3303ghprbTargetBranchmasterghprbSourceBranchcachestatGIT_BRANCHcachestatghprbPullAuthorEmailethercflow@gmail.comghprbPullAuthorLoginethercflowghprbPullAuthorLoginMention@ethercflowghprbPullDescriptionGitHub pull request #3303 of commit a0849a3653b7120334daf04e19dcc8ff72631fe7, no merge conflicts.ghprbPullTitlelibbpf-tools: add cachestatghprbPullLinkhttps://github.com/iovisor/bcc/pull/3303ghprbPullLongDescription\r\n\r\n```sh\r\n➜ libbpf-tools git:(cachestat) ✗ sudo ./cachestat -T 5 5\r\nTIME HITS MISSES DIRTIES HITRATIO BUFFERS_MB CACHED_MB\r\n18:45:47 368311 0 211705 100.00% 131 1602\r\n18:45:52 375358 955 165521 99.75% 135 2101\r\n18:45:57 437604 0 9110 100.00% 135 2101\r\n18:46:02 209939 37 169 99.98% 135 2101\r\n18:46:07 534768 0 1033 100.00% 135 2102\r\n\r\n```\r\n\r\n\r\n\r\n\r\n\r\n\r\nSigned-off-by: Wenbo Zhang <ethercflow@gmail.com>ghprbCommentBody[buildbot, test this please]ghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113false<a title="libbpf-tools: add cachestat" href="https://github.com/iovisor/bcc/pull/3303">PR #3303</a>: libbpf-tools: add cachestat#88412804477460664bcc-pr #884884false8847067SUCCESS1615525315476https://buildbot.iovisor.org/jenkins/job/bcc-pr/884/git884https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc25/884/884https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc26/884/884https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc27/884/884https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc28/884/884https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1604/884/884https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1710/884/884https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1804/884/