GitHub pull request #2726 of commit c48155147b78b9e82d1c0554a089194ca701a9f1, no merge conflicts.sha1origin/pr/2726/mergeghprbActualCommitc48155147b78b9e82d1c0554a089194ca701a9f1ghprbActualCommitAuthorghprbActualCommitAuthorEmailghprbAuthorRepoGitUrlhttps://github.com/olsajiri/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginyonghong-songghprbTriggerAuthorLoginMention@yonghong-songghprbPullId2726ghprbTargetBranchmasterghprbSourceBranchkfuncGIT_BRANCHkfuncghprbPullAuthorEmailghprbPullAuthorLoginolsajirighprbPullAuthorLoginMention@olsajirighprbPullDescriptionGitHub pull request #2726 of commit c48155147b78b9e82d1c0554a089194ca701a9f1, no merge conflicts.ghprbPullTitleIntroduce {attach|detach}_kfunc APIghprbPullLinkhttps://github.com/iovisor/bcc/pull/2726ghprbPullLongDescriptionKernel added new probe called trampoline allowing to probe\r\nalmost any kernel function when BTF info is available in\r\nthe system.\r\n \r\nAdding the interface under 'kfunc' name, which allows to\r\nprobe function entry and 'kretfunc' name, which allows to\r\ntrace function return.\r\n \r\n The main benefit is really low overhead which is really low\r\n for trampolines (please see commit for klockstat.py\r\n with perf comparison).\r\n \r\n Another benefit is the ability of kretfunc probe to access\r\n function arguments, so some tools might need only one program\r\n instead of entry/exit ones (please see commit for\r\n opensnoop.py changes).\r\nghprbCommentBody[buildbot, ok to test]ghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113false<a title="Introduce {attach|detach}_kfunc API" href="https://github.com/iovisor/bcc/pull/2726">PR #2726</a>: Introduce {attach|detach}_k...#29414607307460664bcc-pr #294294false2942346FAILURE1580408136297https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/294/git294https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc25/294/294https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc26/294/294https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc27/294/294https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=fc28/294/294https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=ubuntu1604/294/294https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=ubuntu1710/294/294https://buildbot.iovisor.org/jenkins/user/a.s.protopopov/my-views/view/all/job/bcc-pr/label=ubuntu1804/294/