From mboxrd@z Thu Jan 1 00:00:00 1970 From: dave.long@linaro.org (David Long) Date: Wed, 03 Dec 2014 21:48:19 -0500 Subject: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support In-Reply-To: <547FB5DD.901@redhat.com> References: <1416292375-29560-1-git-send-email-dave.long@linaro.org> <20141120135851.GA32528@linaro.org> <54759041.9080105@hitachi.com> <20141126100325.GA9157@linaro.org> <5476120D.9030703@linaro.org> <5476BFB4.2020705@hitachi.com> <547C36DB.7060903@hitachi.com> <547F242D.1060705@redhat.com> <547F94B0.1000902@linaro.org> <547FB5DD.901@redhat.com> Message-ID: <547FCB73.1010707@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 12/03/14 20:16, William Cohen wrote: [...] > > The perf issue seems to be independent and can be reproduced without using any kprobe support. I need to get a simple reproducer and mention it on the linux-perf-user list. > > -Will > OK, my confusion came from all the different things perf can use. I have not yet been able to reproduce the "perf stat" failure, but I do see the failure with Steve's example using tracepoints. I had thought that was using kprobes, but apparently it just uses tracepoints. These look like two different failures to me: One related to tracepoints, and one in the PMU driver. Since this seems unrelated to kprobes I don't plan on pursuing these particular problems. -dl