Putting fixed priority scheduling theory into engineering practice for safety critical applications
Describes the approach proposed by the York University Technology Centre for introducing fixed-priority scheduling into industrial safety-critical hard real-time systems. The work has been performed within the context of a class A (safety-critical) system as defined by civil aircraft software standa...
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| creator | Audsley, N.C. Bate, I.J. Burns, A. |
| description | Describes the approach proposed by the York University Technology Centre for introducing fixed-priority scheduling into industrial safety-critical hard real-time systems. The work has been performed within the context of a class A (safety-critical) system as defined by civil aircraft software standard DO178B. Traditionally, class A systems have been scheduled by a cyclic executive. However, many such systems can be re-designed using a fixed-priority scheduler. This saves time and money, with no significant increase in risk. Also, significant technical benefits are apparent. This paper describes the timing requirements of the system, provides a potential scheduling approach (including appropriate timing analysis), and outlines an approach for gathering the necessary evidence for presentation to certification authorities. |
| doi_str_mv | 10.1109/RTTAS.1996.509517 |
| format | Conference Proceeding |
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The work has been performed within the context of a class A (safety-critical) system as defined by civil aircraft software standard DO178B. Traditionally, class A systems have been scheduled by a cyclic executive. However, many such systems can be re-designed using a fixed-priority scheduler. This saves time and money, with no significant increase in risk. Also, significant technical benefits are apparent. This paper describes the timing requirements of the system, provides a potential scheduling approach (including appropriate timing analysis), and outlines an approach for gathering the necessary evidence for presentation to certification authorities.</description><subject>Aerospace electronics</subject><subject>Aircraft</subject><subject>Application software</subject><subject>Certification</subject><subject>Dynamic scheduling</subject><subject>Job shop scheduling</subject><subject>Processor scheduling</subject><subject>Software safety</subject><subject>Software standards</subject><subject>Timing</subject><isbn>9780818674488</isbn><isbn>0818674482</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>1996</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotkM1qwzAQhAWl0JL6AdqTXsDuypYs6RhC_yDQ0rrnoEirRMW1jaRA8_Z1SPayw3zMwiwh9wwqxkA_fnbd8qtiWreVAC2YvCKFlgoUU63kXKkbUqT0A_NwIWrBb4n9OOQchh314Q8dnWIYY8hHmuwe3aE_kbzHMR5pGPJIcdiFATGe_Ckam4NF6sdIk_E4x-wcDtb01ExTP4scxiHdkWtv-oTFZS_I9_NTt3ot1-8vb6vlugxM1rlk1rRKytoiKGycaq30teUgBIConeDgBLbeg26AcYsz3zpmUW-NUmhUsyAP57sBETdzlV8Tj5vzJ5p_JhVW9Q</recordid><startdate>1996</startdate><enddate>1996</enddate><creator>Audsley, N.C.</creator><creator>Bate, I.J.</creator><creator>Burns, A.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>1996</creationdate><title>Putting fixed priority scheduling theory into engineering practice for safety critical applications</title><author>Audsley, N.C. ; Bate, I.J. ; Burns, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i172t-1ca68772ce08e3d86c7f2c40550052d540d5e6ff093014ce6c7bd1ce9ba88ea83</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Aerospace electronics</topic><topic>Aircraft</topic><topic>Application software</topic><topic>Certification</topic><topic>Dynamic scheduling</topic><topic>Job shop scheduling</topic><topic>Processor scheduling</topic><topic>Software safety</topic><topic>Software standards</topic><topic>Timing</topic><toplevel>online_resources</toplevel><creatorcontrib>Audsley, N.C.</creatorcontrib><creatorcontrib>Bate, I.J.</creatorcontrib><creatorcontrib>Burns, A.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Audsley, N.C.</au><au>Bate, I.J.</au><au>Burns, A.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Putting fixed priority scheduling theory into engineering practice for safety critical applications</atitle><btitle>Proceedings Real-Time Technology and Applications</btitle><stitle>RTTAS</stitle><date>1996</date><risdate>1996</risdate><spage>2</spage><epage>10</epage><pages>2-10</pages><isbn>9780818674488</isbn><isbn>0818674482</isbn><abstract>Describes the approach proposed by the York University Technology Centre for introducing fixed-priority scheduling into industrial safety-critical hard real-time systems. The work has been performed within the context of a class A (safety-critical) system as defined by civil aircraft software standard DO178B. Traditionally, class A systems have been scheduled by a cyclic executive. However, many such systems can be re-designed using a fixed-priority scheduler. This saves time and money, with no significant increase in risk. Also, significant technical benefits are apparent. This paper describes the timing requirements of the system, provides a potential scheduling approach (including appropriate timing analysis), and outlines an approach for gathering the necessary evidence for presentation to certification authorities.</abstract><pub>IEEE</pub><doi>10.1109/RTTAS.1996.509517</doi><tpages>9</tpages></addata></record> |
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| identifier | ISBN: 9780818674488 |
| ispartof | Proceedings Real-Time Technology and Applications, 1996, p.2-10 |
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| language | eng |
| recordid | cdi_ieee_primary_509517 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Aerospace electronics Aircraft Application software Certification Dynamic scheduling Job shop scheduling Processor scheduling Software safety Software standards Timing |
| title | Putting fixed priority scheduling theory into engineering practice for safety critical applications |
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