On Fri, Mar 5, 2021 at 10:27 AM Joel Sherrill <j...@rtems.org> wrote: > > > > On Fri, Mar 5, 2021 at 10:45 AM Sebastian Huber > <sebastian.hu...@embedded-brains.de> wrote: >> >> On 05/03/2021 16:11, jan.som...@dlr.de wrote: >> >> > Some of the resulting CTF events have a very large timestamp. This only >> > occurs for events of which are created by CPUs other than CPU0, but not >> > all of them. >> > I ran rtems-record-lttng in gdb and could track it to record-client.c:176 >> > (https://git.rtems.org/rtems-tools/tree/trace/record/record-client.c#n176). >> > There the (delta * ctx->to_bt_scaler ) causes an overflow and sets >> > per_cpu->uptime.bt to a very large negative number which then later >> > becomes a very large (positive) timestamp. >> > >> > I have some trouble figuring out what is going wrong here. The timestamps >> > which are read from the rtems record events looks quite reasonable to me. >> > The to_bt_scaler is quite a large value and I don't fully get what it >> > scales. Does someone have some hints? >> It could be related to ring buffer overflows. Do you get >> RTEMS_RECORD_PER_CPU_OVERFLOW items? There could be also some bugs in >> record-client.c. More unit tests for it would be helpful. > > > Asking stupidly, are there tests now? We didn't catch that libtrace was > missing in the new coverage reports: > > https://ftp.rtems.org/pub/rtems/people/joel/coverage/coverage-2021-02-28/ > > I can add it to the queue that libtrace is added. If more subsystems > are missing that we want to track coverage on, please point them out. >
In cpukit the following are not covered. I have no strong opinion, but unless there is justification NOT to report on it, we should? Several of these don't have any tests, so then the question is whether they should have tests/examples written that use them. libdebugger libdl libdrvmgr libfs libgnat libi2c libmisc/capture libmisc/fb libmisc/monitor libmisc/mouse libmisc/redirector libmisc/rtems-fdt libmisc/serdbg libmisc/shell libmisc/utf8proc libmisc/uuid libmisc/xz libpci librtemscxx libtest libtrace mghttpd telnetd zlib It may be good just to know that our testsuite covers 0% of some of these directories, so that users can know... use at your own peril :o > --joel >> >> >> -- >> embedded brains GmbH >> Herr Sebastian HUBER >> Dornierstr. 4 >> 82178 Puchheim >> Germany >> email: sebastian.hu...@embedded-brains.de >> phone: +49-89-18 94 741 - 16 >> fax: +49-89-18 94 741 - 08 >> >> Registergericht: Amtsgericht München >> Registernummer: HRB 157899 >> Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler >> Unsere Datenschutzerklärung finden Sie hier: >> https://embedded-brains.de/datenschutzerklaerung/ >> >> _______________________________________________ >> users mailing list >> users@rtems.org >> http://lists.rtems.org/mailman/listinfo/users > > _______________________________________________ > users mailing list > users@rtems.org > http://lists.rtems.org/mailman/listinfo/users _______________________________________________ users mailing list users@rtems.org http://lists.rtems.org/mailman/listinfo/users
