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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH & Co. KG
enabled-by: true
links:
- role: requirement-refinement
uid: perf-runtime
- role: runtime-measurement-request
uid: ../val/perf
non-functional-type: performance-runtime
params: {}
rationale: null
references: []
requirement-type: non-functional
test-body:
brief: |
Release the barrier.
code: |
uint32_t count;
ctx->begin = T_tick();
ctx->status = rtems_barrier_release( ctx->barrier_id, &count );
description: null
test-cleanup:
brief: |
Delete the barrier and the worker.
code: |
rtems_status_code sc;
DeleteTask( ctx->worker_id );
sc = rtems_barrier_delete( ctx->barrier_id );
T_rsc_success( sc );
RestoreRunnerPriority();
description: null
test-prepare:
brief: |
Create a manual release barrier. Create and start a worker task.
code: |
rtems_status_code sc;
sc = rtems_barrier_create(
OBJECT_NAME,
RTEMS_BARRIER_MANUAL_RELEASE,
0,
&ctx->barrier_id
);
T_rsc_success( sc );
SetSelfPriority( PRIO_NORMAL );
ctx->worker_id = CreateTask( "WORK", PRIO_HIGH );
StartTask( ctx->worker_id, BarrierWaitWorker, ctx );
description: null
test-setup: null
test-teardown:
brief: |
Set the measured runtime. Discard samples interrupted by a clock tick.
code: |
T_quiet_rsc_success( ctx->status );
*delta = ctx->end - ctx->begin;
return tic == toc;
description: null
text: |
Let U and V be two tasks with the same home scheduler. Let :math:`B`
be a time point measured by U right before a call to
${../if/release:/name} which preempts the caller. Let :math:`E` be a time
point measured by V right after a call to ${../if/wait:/name} returns
successfully due to the ${../if/release:/name} call associated with
:math:`B`.
While the execution environment is ${.:/environment}, while the barrier is a
manual release barrier, while the measurement sample is :math:`E - B`, when
exactly ${../val/perf:/params/sample-count} samples are collected, the
${.:/limit-kind} shall be ${.:/limit-condition}.
type: requirement
|