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Groups > linux.kernel > #1360254
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods |
| Date | 2016-03-18 00:20 +0100 |
| Message-ID | <rdPmW-5Fn-19@gated-at.bofh.it> (permalink) |
| References | <rdLW2-35m-9@gated-at.bofh.it> <rdLW2-35m-11@gated-at.bofh.it> <rdLW2-35m-7@gated-at.bofh.it> <rdP3B-5d9-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Mar 17, 2016 at 03:55:57PM -0700, Paul E. McKenney wrote: > The RCU stall-warn stack traces can be ugly, agreed. Ugly isn't the problem, completely random bollocks that puts you on the wrong path was more the problem. It uses a stack pointer saved at some random time in the past to start unwinding an active stack from. Completely and utter misery.
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Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-17 20:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf <cmetcalf@mellanox.com> - 2016-03-17 23:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-17 23:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-18 00:20 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-18 00:00 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-18 00:10 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-18 00:20 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-18 01:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf <cmetcalf@mellanox.com> - 2016-03-18 01:20 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-18 01:50 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Daniel Thompson <daniel.thompson@linaro.org> - 2016-03-18 10:50 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-19 01:00 +0100
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