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Date: Thu, 4 Aug 2016 20:04:34 +0530 From: Aravinda Prasad <aravinda@...ux.vnet.ibm.com> To: Steven Rostedt <rostedt@...dmis.org> Cc: Hari Bathini <hbathini@...ux.vnet.ibm.com>, daniel@...earbox.net, peterz@...radead.org, linux-kernel@...r.kernel.org, acme@...nel.org, alexander.shishkin@...ux.intel.com, mingo@...hat.com, paulus@...ba.org, ebiederm@...ssion.com, kernel@...p.com, viro@...iv.linux.org.uk, ananth@...ibm.com Subject: Re: [RFC PATCH v2 2/3] tracefs: add instances support for uprobe events On Thursday 04 August 2016 07:38 PM, Steven Rostedt wrote: > On Thu, 4 Aug 2016 19:16:03 +0530 > Aravinda Prasad <aravinda@...ux.vnet.ibm.com> wrote: > > >> Separation is based on the context in which the function is called. >> Hence, containers can see only those kernel functions that are >> triggered/invoked by the processes running inside that container and >> should not see other kernel functions, for example, called by RCU grace >> period kthread or any other kthread. >> > > What about interrupts and softirqs? They run under the container > process's context, but service other processes outside the container. > Same goes for trace events. Interrupts and softirqs are tricky. We have not yet figured that out. Same for trace events. Had similar discussion for trace events with Brendan: http://www.spinics.net/lists/linux-perf-users/msg03018.html (Last section of the mail is on trace event) Regards, Aravinda > > -- Steve > -- Regards, Aravinda
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