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© Copyright Dedicated Systems Experts. All rights reserved, no part of the contents of this document may be reproduced or
transmitted in any form or by any means without the written permission of Dedicated Systems Experts.
Experts
QNX NEUTRINO RTOS v6.2 and Red Hat Embedded Linux (ELDS) v1.1 compared Page 1 of 26
http://www.dedicated-systems.com
email: info@dedicated-systems.com
RTOS Evaluation Project
Doc no.:
DSE-RTOS-EVA-019
Issue:
2.49 (Drft)
Date:
August 13, 2002
COMPARISON BETWEEN
QNX RTOS V6.2 AND RED
HAT EMBEDDED LINUX
(ELDS) V1.1
© Copyright Dedicated Systems Experts NV. All rights reserved, no part of the
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Experts
QNX NEUTRINO RTOS v6.2 and Red Hat Embedded Linux (ELDS) v1.1 compared Page 2 of 26
http://www.dedicated-systems.com
email: info@dedicated-systems.com
RTOS Evaluation Project
Doc no.:
DSE-RTOS-EVA-019
Issue:
2.49 (Drft)
Date:
August 13, 2002
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QNX NEUTRINO RTOS v6.2 and Red Hat Embedded Linux (ELDS) v1.1 compared Page 3 of 26
http://www.dedicated-systems.com
email: info@dedicated-systems.com
RTOS Evaluation Project
Doc no.:
DSE-RTOS-EVA-019
Issue:
2.49 (Drft)
Date:
August 13, 2002
1 Introduction...............................................................................................................................................5
2 Installation and Configuration...................................................................................................................6
2.1 QNX NEUTRINO RTOS v6.2 ...........................................................................................................6
2.2 ELDS v1.1.........................................................................................................................................6
3 RTOS Architecture ...................................................................................................................................8
3.1 System Architecture .........................................................................................................................8
3.1.1 QNX NEUTRINO RTOS v6.2 ...................................................................................................8
3.1.2 ELDS v1.1.................................................................................................................................8
3.2 Basic System Facilities.....................................................................................................................9
3.2.1 Task Handling Method..............................................................................................................9
3.2.2 Memory Management Method..................................................................................................9
3.2.3 Interrupt Handling Method ......................................................................................................10
4 API Richness..........................................................................................................................................11
5 Internet support ......................................................................................................................................12
5.1 QNX NEUTRINO RTOS v6.2 .........................................................................................................12
5.2 ELDS v1.1.......................................................................................................................................12
6 Tools.......................................................................................................................................................13
6.1 QNX NEUTRINO RTOS v6.2 .........................................................................................................13
6.2 ELDS v1.1.......................................................................................................................................13
7 Documentation and Support ..................................................................................................................14
7.1 QNX NEUTRINO RTOS v6.2 .........................................................................................................14
7.2 ELDS v1.1.......................................................................................................................................14
8 Development methodology ....................................................................................................................15
8.1 QNX NEUTRINO RTOS v6.2 .........................................................................................................15
8.2 ELDS v1.1.......................................................................................................................................15
9 Test results.............................................................................................................................................16
9.1 QNX NEUTRINO RTOS v6.2 .........................................................................................................16
9.2 ELDS v1.1.......................................................................................................................................16
9.3 Comparison test results..................................................................................................................17
10 Conclusion..............................................................................................................................................19
11 References.............................................................................................................................................20
12 Appendix A: Product ratings...................................................................................................................21
12.1 QNX NEUTRINO RTOS v6.2 .........................................................................................................22
12.2 Red Hat ELDS v1.1 ........................................................................................................................23
13 Appendix A : Summary test identification codes....................................................................................24
14 Appendix B: Document revision history .................................................................................................26
14.1 Issue 2.49 Preliminary....................................................................................................................26
© Copyright Dedicated Systems Experts. All rights reserved, no part of the contents of this document may be reproduced or
transmitted in any form or by any means without the written permission of Dedicated Systems Experts.
Experts
QNX NEUTRINO RTOS v6.2 and Red Hat Embedded Linux (ELDS) v1.1 compared Page 4 of 26
http://www.dedicated-systems.com
email: info@dedicated-systems.com
RTOS Evaluation Project
Doc no.:
DSE-RTOS-EVA-019
Issue:
2.49 (Drft)
Date:
August 13, 2002
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