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wrote: >> >>> On Mon, Jan 05, 2026 at 11:50:53PM -0500, Eugene Loh wrote: >>>> The patch otherwise reads right to me.  The tests, however, are not happy. >>>> The following tests fail intermittently: >>>> >>>>     test/demo/script/interp.d >>>>     test/demo/script/tracewrite.d >>>>     test/unittest/lockstat/tst.lockstat-summary.d >>>>     test/unittest/scripting/tst.arg0.d >>>>     test/unittest/scripting/tst.basic.d >>>>     test/unittest/scripting/tst.trace.d >>>> >>>> These tests fail consistently: >>>>     test/unittest/scripting/tst.assign.d >>>>     test/unittest/scripting/tst.pgid.d >>>>     test/unittest/scripting/tst.pid.d >>>> The problem for these tests is >>>>     -#!/usr/sbin/dtrace -qs >>>>     +#!dtrace -qs >>>> Since these files used to be invoked as scripts, the -q was ignored.  The .r >>>> files relied on that.  So the interpreter files should drop the -q.  That >>>> does not fix them entirely;  it simply makes their failures intermittent. >>> Yes, I caught (I think) all of the opposite cases where I added a pragma to >>> ensure that the -q behaviour was retained, but I don't think I considered the >>> case where the script was not invoked using the #! and that therefore the -q >>> was not actually effective. >>> >>>> I'll look more at the intermittent failures, but there may be more than one >>>> thing going on there.  (lockstat-summary looks different) >>> Thanks. >> The intermittent failures were weird, but that lockstat-summary.d should >> also fail is just plain insane.  The problem actually appears to be with a >> different patch.  So, I'm withdrawing the "intermittent failure" complaint >> about this patch, which should be ready for a final version.  Elsewhere, >> I'll report on what's really going on. > Yes, I believe it is due to: > [3/4] bpf: allocate the buffers BPF map to fit highest CPU id > > I must have introduced a bug in that patch. Right.  And I reviewed it.  We replace num_online_cpus with max_cpuid.  That should be max_cpuid+1.  Is it too late to rework that patch?  If so, I can supply a patch to amend it.  (Anyhow, events on the highest cpuid are missed.)