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18 Commits

Author SHA1 Message Date
Xiang Xiao 517974787f Rename clock_systime[r|spec] to clock_systime_[ticks|timespec] 
follow up the new naming convention:
https://cwiki.apache.org/confluence/display/NUTTX/Naming+of+OS+Internal+Functions
 2020-05-10 14:35:50 -06:00
Xiang Xiao f0c5c75042 sched/clock/: Don't call up_timer_gettime in clock_gettime and clock_systimer to ensure the return value from them consistent with clock_systimespec 2018-11-12 06:52:56 -06:00
Xiang Xiao 46bd8798c5 ched/clock/: Remove g_monotonic_basetime and g_clock_monotonic_time since we don't need ensure monotonic time start from zero as state here: http://pubs.opengroup.org/onlinepubs/009696899/functions/clock_getres.html 2018-11-12 06:50:37 -06:00
Masayuki Ishikawa 7062ca2c03 Merged in masayuki2009/nuttx.nuttx/lc823450_smp_test (pull request #601) 
lc823450 smp test

* sched/clock: Replace critical section APIs with spin lock APIs in clock_gettime.c

    This change will improve performance for SMP systems but nothing
    changes for non-SMP systems. (Pls see include/nuttx/irq.h)

    Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

* sched/sched: Remove unnecessary DEBUGASSERT in sched_removereadytorun.c

    In SMP mode, rtrtcb is not always at the g_readytorun.head.
    This change removes DEBUGASSERT() to avoid this condition.

    Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

Approved-by: Gregory Nutt <gnutt@nuttx.org>
 2018-02-15 14:18:25 +00:00
Jussi Kivilinna 325ba1a803 clock: add clock_resynchronize and use subseconds RTC 
Add clock_resynchronize for better synchronization of CLOCK_REALTIME and CLOCK_MONOTONIC to match RTC after resume from low-power state.

Add up_rtc_getdatetime_with_subseconds under CONFIG_ARCH_HAVE_RTC_SUBSECONDS to allow initializing (and resynchronizing) system clock with subseconds accuracy RTC.
 2017-04-21 08:45:57 -06:00
Gregory Nutt 246773faa7 Rename CONFIG_SCHED_TIMEKEEPING to CONFIG_CLOCK_TIMEKEEPING. That is a better compartmentalized name. 2016-07-11 06:54:02 -06:00
Max Neklyudov 8db29071da timekeeping: initial implementation 2016-07-10 16:14:25 -06:00
Gregory Nutt 13cac3b592 sched/: Change some *err() message to *info() messages if what was a *dbg() message does not indicate and error condition. 2016-06-11 16:42:42 -06:00
Gregory Nutt a1469a3e95 Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err() 2016-06-11 15:50:49 -06:00
Gregory Nutt e001f37593 sched/clock/clock_timespec.c: Fix an error in the time conversion 2016-01-21 13:31:00 -06:00
Gregory Nutt 5b51a9fcdd Standardize the width of all comment boxes in C files 2015-10-02 17:43:18 -06:00
Gregory Nutt cb9e27c3b0 Standardize naming used for public data and function groupings 2015-10-02 16:30:35 -06:00
Max Neklyudov 61af0d511f Use up_timer_gettime for CLOCK_MONOTONIC in tickless mode. From Max Neklyudov. 2015-06-22 06:37:26 -06:00
Gregory Nutt c99d927527 When an RTC is used, clock_systimespec() must subtract the basetime from the RTC time 2015-02-25 07:24:03 -06:00
Gregory Nutt 3724a5e98e RTC: Remove all backdoor interfaces from rtc.h 2015-02-13 08:41:34 -06:00
Gregory Nutt 4a20cd65c5 clock_gettime.c: Fix a cornercase bug in clock_gettime() 2014-09-10 17:10:54 -06:00
Gregory Nutt eed1d6c619 When reading the system timer, don't read a struct timespec, convert it to a fake tick count, then back to a timespec. Remove CLOCK_ACTIVETIME.. it is non-standard, unused, and gets in the way of changes like this 2014-08-15 03:55:41 -06:00
Gregory Nutt d4b56eb3cc Move clock functions from sched/ to sched/clock 2014-08-08 14:43:02 -06:00