> > Yes, 6000 microseconds isn't 6 seconds. :p Ouch. Yes. Thanks.
Use (rtems_clock_get_ticks_per_second() * 6) as documented here: > > https://docs.rtems.org/releases/rtems-docs-4.11.2/c-user/clock_manager.html#rtems-clock-get-ticks-per-second > Yes, This works! Thanks. On Tue, May 11, 2021 at 7:27 PM Joel Sherrill <j...@rtems.org> wrote: > > > > On Tue, May 11, 2021 at 1:11 AM Gedare Bloom <ged...@rtems.org> wrote: > >> On Sun, May 9, 2021 at 9:33 AM Richi Dubey <richidu...@gmail.com> wrote: >> > >> > Hi, >> > >> > I am using the line: >> rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); in my test >> program to emulate a 6 seconds sleep. But when I deubg the program using >> qemu, I do not see it waiting for 6 seconds; on debugging, there is a error >> of a shared library file not found, which leads to the ticks being 0. Can >> someone please help? >> > >> >> Yes, 6000 microseconds isn't 6 seconds. >> > > Use (rtems_clock_get_ticks_per_second() * 6) as documented here: > > > https://docs.rtems.org/releases/rtems-docs-4.11.2/c-user/clock_manager.html#rtems-clock-get-ticks-per-second > > > But if you are on a simulator, it won't match 6 seconds of "real world > time". Simulators run at a different speed than "real time" and 6 seconds > of simulated processor time could take much less or much more time. Depends > on the simulator, target processor, and the host computer. > > >> >> > Debug log: >> > >> > >> ---------------------------------------------------------------------------------------------------------- >> > 35 rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); >> > (gdb) si >> > 0x00101176 135 >> rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); >> > (gdb) >> > 0x00101178 135 >> rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); >> > (gdb) >> > 0x0010117c 135 >> rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); >> > (gdb) >> > __udivsi3 () at >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S:1104 >> > 1104 >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S: No >> such file or directory. >> > (gdb) >> > 1105 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) ni >> > 1106 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) >> > 1107 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) si >> > 1108 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) ni >> > 1109 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) >> > 1118 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) >> > 1119 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) >> > 1120 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) >> > 1121 in >> ../../../../../../gnu-mirror-gcc-57b5da3/libgcc/config/arm/lib1funcs.S >> > (gdb) >> > 0x00101180 in test () at >> ../../../testsuites/smptests/smpschededf05/init.c:135 >> > 135 rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); >> > (gdb) si >> > 0x00101182 135 >> rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); >> > (gdb) >> > 0x00101184 135 >> rtems_task_wake_after(RTEMS_MICROSECONDS_TO_TICKS(6000)); >> > (gdb) >> > rtems_task_wake_after (ticks=16777216) at >> ../../../cpukit/rtems/src/taskwakeafter.c:30 >> > 30 { >> > (gdb) >> > 0x00108b44 30 { >> > (gdb) ni >> > 0x00108b46 30 { >> > (gdb) >> > 0x00108b48 30 { >> > (gdb) >> > 38 cpu_self = _Thread_Dispatch_disable(); >> > (gdb) >> > 0x00108b4e 38 cpu_self = _Thread_Dispatch_disable(); >> > (gdb) >> > 39 executing = _Per_CPU_Get_executing( cpu_self ); >> > (gdb) >> > 0x00108b52 39 executing = _Per_CPU_Get_executing( cpu_self ); >> > (gdb) >> > 0x00108b56 39 executing = _Per_CPU_Get_executing( cpu_self ); >> > (gdb) >> > 41 if ( ticks == 0 ) { >> > (gdb) >> > 0x00108b5a 41 if ( ticks == 0 ) { >> > (gdb) p ticks >> > $1 = 0 >> > (gdb) >> > >> > >> ---------------------------------------------------------------------------------------------------------- >> > _______________________________________________ >> > devel mailing list >> > devel@rtems.org >> > http://lists.rtems.org/mailman/listinfo/devel >> _______________________________________________ >> devel mailing list >> devel@rtems.org >> http://lists.rtems.org/mailman/listinfo/devel >> >
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