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Problem Report 2663 Details

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Report 2663 Actions

    Problem Report Number 2663
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.1388
    Raised 2016-08-04 17:46
    Updated 2016-08-09 18:21
    Published 2016-08-09 18:21
    Product Standard Internationalised System Calls and Libraries Extended V3 (UNIX 03)
    Certification Program The Open Brand certification program
    Test Suite VSU version 5.3.12
    Test Identification tset/CAPI.os/procprim/getitimer/T.getitimer 2,3
    Specification Base Definitions Issue 6
    Problem Summary The test does not allow enough leeway in the expected time range
    Problem Text The test code contains the following comments:

    /* There is no guarantee that the CPU time values
    from times() are accounted for in exactly the same
    way as the virtual timers, so we can only use them
    as a rough indication of what to expect */

    /* lower bound: half the CPU time used */

    /* upper bound: half way between the CPU time used
    and the elapsed (real) time */

    The test output shows that the CPU time consumed (remaining from the 360
    second timer) according to getitimer() was about 8 seconds for test 2
    and 7 seconds for test 3, whereas the lower limit allowed by the test is
    9 seconds (half of the 18 seconds reported by times()). Since this
    limit is an arbitrary choice by the test author, it seems reasonable to
    request that it be relaxed a little.
    Test Output Test 2 Information:
    PREP: Open a temporary scratch file
    PREP: Set the ITIMER_VIRTUAL timer to a known value.
    PREP: Loop in the program for arbitrary time.
    Perform dummy I/O on temporary scratch file.
    PREP: Obtain the ITIMER_VIRTUAL timer through getitimer().
    TEST: getitimer() returns the correct timer value
    timer value = original timer set - time elapsed
    ERROR: Invalid value returned by getitimer()
    Expecting between 184.850000 and 351.000000, Received 351.940000

    Test 3 Information:
    PREP: Open a temporary scratch file
    PREP: Set the ITIMER_PROF timer to a known value.
    PREP: Loop in the program for arbitrary time.
    Perform dummy I/O on temporary scratch file.
    PREP: Obtain the ITIMER_PROF timer through getitimer().
    TEST: getitimer() returns the correct timer value
    timer value = original timer set - time elapsed
    ERROR: Invalid value returned by getitimer()
    Expecting between 160.730000 and 351.000000, Received 353.091000

    Review Information

    Review Type TSMA Review
    Start Date 2016-08-04 17:46
    Last Updated 2016-08-04 12:17
    Completed 2016-08-04 12:17
    Status Complete
    Review Recommendation No Resolution Given
    Review Response

    Review Type SA Review
    Start Date 2016-08-04 20:17
    Last Updated 2016-08-09 18:20
    Completed 2016-08-09 18:20
    Status Complete
    Review Resolution Test Suite Deficiency (TSD)
    Review Conclusion A test suite deficiency is granted.

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