[Bug testsuite/5014] New: pmap_agg_overflow testcase fails.

["srinivasa at in dot ibm dot com" <sourceware-bugzilla at sourceware dot org>]

My environment is Systemtap-20070908 snapshot,elfutils-0.128 and kernel-2.6.23-rc5.

pmap_agg_overflow fails with following error message.
==================================================================
Running
/home/systemtap/tmp/stap_testing_200709100545/src/testsuite/systemtap.maps/pmap_agg_overflow.exp
...
ERROR: Array overflow, check MAXMAPENTRIES near identifier 'stat' at
/home/systemtap/tmp/stap_testing_200709100545/src/testsuite/systemtap.maps/pmap_agg_overflow.stp:17:5^M
ERROR: Array overflow, check MAXMAPENTRIES near identifier 'stat' at
/home/systemtap/tmp/stap_testing_200709100545/src/testsuite/systemtap.maps/pmap_agg_overflow.stp:17:5^M
ERROR: Array overflow, check MAXMAPENTRIES near identifier 'stat' at
/home/systemtap/tmp/stap_testing_200709100545/src/testsuite/systemtap.maps/pmap_agg_overflow.stp:17:5^M
ERROR: Array overflow, check MAXMAPENTRIES near identifier 'stat' at
/home/systemtap/tmp/stap_testing_200709100545/src/testsuite/systemtap.maps/pmap_agg_overflow.stp:17:5^M
WARNING: Number of errors: 4, skipped probes: 0^M
FAIL: pmap_agg_overflow (4)
testcase
/home/systemtap/tmp/stap_testing_200709100545/src/testsuite/systemtap.maps/pmap_agg_overflow.exp
completed in 11 seconds
=================================================

Looks like "stat" array is getting overflowed on SMP(8-way) systems and thats
the reason for failure.
===================
probe kernel.function("scheduler_tick") {
    i = ++count
    if (i >= max_count) exit()
    stat[i] <<< i
}
=========================

-- 
           Summary: pmap_agg_overflow testcase fails.
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: srinivasa at in dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=5014

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