Re: [lttng-dev] [RFC] wfcqueue: allow defining CDS_WFCQ_WAIT_SLEEP to override `poll'
Mathieu Desnoyers wrote: > - On Aug 1, 2018, at 2:54 PM, Eric Wong normalper...@yhbt.net wrote: > > > Users may want to use alternative sleeping behavior instead of > > `poll'. Make CDS_WFCQ_WAIT_SLEEP a macro which may be defined > > before including wfcqueue.h. > > > > This alternative behavior could include logging, performing > > low-priority cleanup work, sleeping a shorter/longer interval > > or any combination of that. > > > > This will also make integration into glibc easier, as `poll' > > linkage causes conformance test failures even when relegated > > to an impossible code path: > > https://public-inbox.org/libc-alpha/20180801092626.jrwyrojfye4avcis@whir/ > > Rather than introducing a macro here, can we extend the API to > pass a callback and a private pointer that would perform the > sleeping behavior requested by the caller ? Given this is deep in the call stack, it would require modifying a lot of callers. So it seems like a compatibility/migration nightmare. I fear it's too much work for a small improvement. For glibc, we can simply define `poll' to `__poll' to avoid those test failures, at least ___ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
[lttng-dev] [CFP] Call For Presentations reminder and registration for Tracing Summit 2018 on Oct 25th in Edinburgh, UK
Hi all, This is a friendly reminder that the deadline for submitting talk proposals for Tracing Summit 2018[1] is coming up soon (Sept 1st). Submit you talk today using submiss...@tracingsummit.org and don't forget to include the following: - Talk title, - Talk abstract (900 characters maximum), - Description of the targeted audience (900 characters maximum), - Short biography (900 characters maximum). The Tracing Summit 2018 will be held in Edinburgh, UK on October 25th, 2018, at the Edinburgh International Conference Centre, co-located with the Open Source Summit & Embedded Linux Conference 2018. You can register right now either through the Open Source Summit Europe registration page[2] by adding the free Tracing Summit addon or by registering specifically for the Tracing Summit using this registration form[3]. Thank you, On behalf of the Diagnostic and Monitoring Workgroup, Francis Deslauriers [1] https://tracingsummit.org/wiki/TracingSummit2018 [2] https://www.regonline.com/OSSEU2018 [3] https://regonline.com/tracingsummit18 ___ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
