GitHub pull request #3131 of commit 0bca50ce5c7d1fe2b97ceee84cb798d70d8e86c6, no merge conflicts.sha1origin/pr/3131/mergeghprbActualCommit0bca50ce5c7d1fe2b97ceee84cb798d70d8e86c6ghprbActualCommitAuthorghprbActualCommitAuthorEmailghprbAuthorRepoGitUrlhttps://github.com/ethercflow/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginyonghong-songghprbTriggerAuthorLoginMention@yonghong-songghprbPullId3131ghprbTargetBranchmasterghprbSourceBranchcputools-2GIT_BRANCHcputools-2ghprbPullAuthorEmailethercflow@gmail.comghprbPullAuthorLoginethercflowghprbPullAuthorLoginMention@ethercflowghprbPullDescriptionGitHub pull request #3131 of commit 0bca50ce5c7d1fe2b97ceee84cb798d70d8e86c6, no merge conflicts.ghprbPullTitlelibbpf-tools: add cpufreqghprbPullLinkhttps://github.com/iovisor/bcc/pull/3131ghprbPullLongDescriptionThe output looks like below:\r\n\r\n```sh\r\n➜ libbpf-tools git:(cputools-2) ✗ ./cpufreq -d 10\r\nSampling CPU freq system-wide & by process. Ctrl-C to end.\r\n\r\n...\r\n...\r\n microk8s-kubect : count distribution\r\n 2400 : 1 |****************************************|\r\n 2600 : 0 | |\r\n 2800 : 0 | |\r\n 3000 : 1 |****************************************|\r\n\r\n kubelet : count distribution\r\n 1200 : 26 |****************************************|\r\n 1400 : 0 | |\r\n 1600 : 0 | |\r\n 1800 : 0 | |\r\n 2000 : 0 | |\r\n 2200 : 0 | |\r\n 2400 : 0 | |\r\n 2600 : 0 | |\r\n 2800 : 0 | |\r\n 3000 : 1 |* |\r\n\r\n grep : count distribution\r\n 1200 : 2 |****************************************|\r\n 1400 : 1 |******************** |\r\n 1600 : 0 | |\r\n 1800 : 0 | |\r\n 2000 : 0 | |\r\n 2200 : 1 |******************** |\r\n\r\n\r\n syswide : count distribution\r\n 1200 : 36189 |****************************************|\r\n 1400 : 1520 |* |\r\n 1600 : 491 | |\r\n 1800 : 374 | |\r\n 2000 : 133 | |\r\n 2200 : 47 | |\r\n 2400 : 101 | |\r\n 2600 : 9 | |\r\n 2800 : 15 | |\r\n 3000 : 50 | |\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 cpufreq" href="https://github.com/iovisor/bcc/pull/3131">PR #3131</a>: libbpf-tools: add cpufreq#80011532617460664bcc-pr #800800false8006409SUCCESS1610562464469https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/800/git800https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc25/800/800https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc26/800/800https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc27/800/800https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc28/800/800https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=ubuntu1604/800/800https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=ubuntu1710/800/800https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=ubuntu1804/800/