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|
SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
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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: |
Send two events from with interrupt context. Satisfy the event condition.
code: |
CallWithinISR( Satisfy, ctx );
description: null
test-cleanup: null
test-prepare: 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 be an interrupt service and V be a task which both execute on the
same processor. Let :math:`B` be a time point measured by U right before
a call to ${../if/send:/name} which unblocks task V which preempts the
executing task. Let :math:`E` be a time point measured by V right after
the first context switch after :math:`B`.
While the execution environment is ${.:/environment}, while task V waits
for events, 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
|
