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Use standard wording in CPU usage reporting files.
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Updates #3053.
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The rate monotonic period statistics were affected by
rtems_cpu_usage_reset(). The logic to detect and work around a CPU
usage reset was broken.
The Thread_Contol::cpu_time_used is changed to contain the processor
time used throughout the entire lifetime of the thread. The new member
Thread_Contol::cpu_time_used_at_last_reset is added to contain the
processor time used at the time of the last reset through
rtems_cpu_usage_reset(). This decouples the resets of the CPU usage and
the rate monotonic period statistics.
Update #4528.
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CID 1399726: Missing break in switch in task_usage().
CID 1399728: Missing break in switch in task_usage().
CID 1399742: Missing break in switch in task_usage().
Closes #4278
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This order change fixes the Latex documentation build via Doxygen.
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- This patch is based on the patch attached to #3552 submitted
by jameszxj.
Closes #3552
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Add and use _Thread_Get_unmapped_real_priority().
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The region_information_block typedef as no corresponding API. It has no
proper namespace prefix. A user can do nothing with it.
Close #3591.
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Update #3530.
Update #3533.
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Update #3082.
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Update #2423.
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Add priority nodes which contribute to the overall thread priority.
The actual priority of a thread is now an aggregation of priority nodes.
The thread priority aggregation for the home scheduler instance of a
thread consists of at least one priority node, which is normally the
real priority of the thread. The locking protocols (e.g. priority
ceiling and priority inheritance), rate-monotonic period objects and the
POSIX sporadic server add, change and remove priority nodes.
A thread changes its priority now immediately, e.g. priority changes are
not deferred until the thread releases its last resource.
Replace the _Thread_Change_priority() function with
* _Thread_Priority_perform_actions(),
* _Thread_Priority_add(),
* _Thread_Priority_remove(),
* _Thread_Priority_change(), and
* _Thread_Priority_update().
Update #2412.
Update #2556.
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Avoid direct access to thread internal data fields.
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The RTEMS print user need to know nothing about a particular printer
implementation. In particular get rid of the <stdio.h> include which
would be visible via <rtems.h>.
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This change adds rtems_printf and related functions and wraps the
RTEMS print plugin support into a user API. All references to the
plugin are removed and replaced with the rtems_printer interface.
Printk and related functions are made to return a valid number of
characters formatted and output.
The function attribute to check printf functions has been added
to rtems_printf and printk. No changes to remove warrnings are part
of this patch set.
The testsuite has been moved over to the rtems_printer. The testsuite
has a mix of rtems_printer access and direct print control via the
tmacros.h header file. The support for begink/endk has been removed
as it served no purpose and only confused the code base. The testsuite
has not been refactored to use rtems_printf. This is future work.
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The CPU time used of a thread was previously maintained per-processor
mostly during _Thread_Dispatch(). However, on SMP configurations the
actual processor of a thread is difficult to figure out since thread
dispatching is a highly asynchronous process (e.g. via inter-processor
interrupts). Only the intended processor of a thread is known to the
scheduler easily. Do the CPU usage accounting during thread heir
updates in the context of the scheduler operations. Provide the
function _Thread_Get_CPU_time_used() to get the CPU usage of a thread
using proper locks to get a consistent value.
Close #2627.
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This type is superfluous since all operations with it are done via the
_Timestamp_*() functions.
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This avoids potential dead code in _Thread_Handler(). It gets rid of
the dangerous function pointer casts.
Update #2514.
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This was obsolete and broken based upon recent time keeping changes.
Thie build option was previously enabled by adding
USE_TICKS_FOR_STATISTICS=1 to the configure command line.
This propagated into the code as preprocessor conditionals
using the __RTEMS_USE_TICKS_FOR_STATISTICS__ conditional.
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The cpuuse top command now supports the current load where the list of
tasks is ordered based on the current load rather than the total cpu usage.
This lets you see what is using the processor at any specific instance.
The ability to sort on a range of thread values is now supported.
Added memory usage stats for unified and separate workspace and C heaps as
well as displaying the allocated stack space.
Added a few more command keys to refresh the display, show all tasks in the
system, control the lines display and a scrolling mode that does not clear
the display on each refresh.
Removed support for tick kernel builds. The tick support in the kernel is to
be removed.
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