GitHub pull request #3080 of commit aa656120d09d3bb8de0fbd9d0e1c34ee76827fd4, no merge conflicts.sha1origin/pr/3080/mergeghprbActualCommitaa656120d09d3bb8de0fbd9d0e1c34ee76827fd4ghprbActualCommitAuthorghprbActualCommitAuthorEmailghprbAuthorRepoGitUrlhttps://github.com/ethercflow/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginyonghong-songghprbTriggerAuthorLoginMention@yonghong-songghprbPullId3080ghprbTargetBranchmasterghprbSourceBranchcputools-3GIT_BRANCHcputools-3ghprbPullAuthorEmailethercflow@gmail.comghprbPullAuthorLoginethercflowghprbPullAuthorLoginMention@ethercflowghprbPullDescriptionGitHub pull request #3080 of commit aa656120d09d3bb8de0fbd9d0e1c34ee76827fd4, no merge conflicts.ghprbPullTitlelibbpf-tools: add hardirqsghprbPullLinkhttps://github.com/iovisor/bcc/pull/3080ghprbPullLongDescriptionThe output looks like: \r\n\r\n```\r\nTracing hard irq event time... Hit Ctrl-C to end.\r\n^C\r\nHARDIRQ TOTAL_usecs\r\nnvme0q1 33\r\nens33 18\r\nahci[0000:02:05.0] 76\r\nnvme0q5 17\r\nnvme0q13 14\r\nnvme0q2 31\r\nnvme0q4 61\r\nnvme0q7 16\r\n```\r\n```\r\nTracing hard irq event time... Hit Ctrl-C to end.\r\n^C\r\nHARDIRQ TOTAL_count\r\nnvme0q1 3\r\nnvme0q5 1\r\nnvme0q4 3\r\nnvme0q7 4\r\nens33 4\r\nnvme0q3 3\r\nnvme0q13 2\r\nnvme0q10 2\r\nnvme0q8 2\r\nnvme0q9 2\r\n```\r\n```\r\nTracing hard irq event time... Hit Ctrl-C to end.\r\n^C\r\nhardirq = nvme0q6\r\n usecs : count distribution\r\n 0 -> 1 : 0 | |\r\n 2 -> 3 : 0 | |\r\n 4 -> 7 : 0 | |\r\n 8 -> 15 : 2 |****************************************|\r\nhardirq = nvme0q4\r\n usecs : count distribution\r\n 0 -> 1 : 0 | |\r\n 2 -> 3 : 0 | |\r\n 4 -> 7 : 0 | |\r\n 8 -> 15 : 0 | |\r\n 16 -> 31 : 0 | |\r\n 32 -> 63 : 1 |****************************************|\r\nhardirq = nvme0q11\r\n usecs : count distribution\r\n 0 -> 1 : 0 | |\r\n 2 -> 3 : 0 | |\r\n 4 -> 7 : 0 | |\r\n 8 -> 15 : 1 |****************************************|\r\n 16 -> 31 : 1 |****************************************|\r\nhardirq = ens33\r\n usecs : count distribution\r\n 0 -> 1 : 4 |****************************************|\r\n 2 -> 3 : 0 | |\r\n 4 -> 7 : 4 |****************************************|\r\n 8 -> 15 : 1 |********** |\r\nhardirq = ahci[0000:02:05.0]\r\n usecs : count distribution\r\n 0 -> 1 : 0 | |\r\n 2 -> 3 : 1 |****************************************|\r\n 4 -> 7 : 0 | |\r\n 8 -> 15 : 0 | |\r\n 16 -> 31 : 0 | |\r\n 32 -> 63 : 1 |****************************************|\r\nhardirq = nvme0q8\r\n usecs : count distribution\r\n 0 -> 1 : 0 | |\r\n 2 -> 3 : 0 | |\r\n 4 -> 7 : 0 | |\r\n 8 -> 15 : 1 |****************************************|\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 hardirqs" href="https://github.com/iovisor/bcc/pull/3080">PR #3080</a>: libbpf-tools: add hardirqs#66911379067460664bcc-pr #669669false6695360SUCCESS1599633949799https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/669/git669https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/label=fc25/669/669https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/label=fc26/669/669https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/label=fc27/669/669https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/label=fc28/669/669https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/label=ubuntu1604/669/669https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/label=ubuntu1710/669/669https://buildbot.iovisor.org/jenkins/user/ethercflow/my-views/view/all/job/bcc-pr/label=ubuntu1804/669/