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    SubjectRe: [PATCH v2] perf, x86: Fix event scheduler for constraints with overlapping counters
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    On Wed, 2011-05-18 at 23:20 +0200, Ingo Molnar wrote:
    > * Peter Zijlstra <peterz@infradead.org> wrote:
    >
    > > > if (c->weight != w)
    > > > continue;
    > > >
    > > > - for_each_set_bit(j, c->idxmsk, X86_PMC_IDX_MAX) {
    > > > - if (!test_bit(j, used_mask))
    > > > + /* for each bit in idxmsk starting from idx */
    > > > + while (idx < X86_PMC_IDX_MAX) {
    > > > + idx = find_next_bit(c->idxmsk, X86_PMC_IDX_MAX,
    > > > + idx);
    > >
    > > I'd be mighty tempted to ignore that 80 column rule here ;-)
    >
    > Please put the body of the loop into a helper function, the function is large
    > and there are countless col80 uglinesses in it!

    I just tried that, its real ugly due to the amount of state you need to
    pass around.


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