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Merge pull request #463 from sched-ext/bpfland-update-dsq-vtime

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scx_bpfland: always re-align task's vruntime to the global vruntime
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Andrea Righi 2024-08-02 22:13:12 +02:00 committed by GitHub
commit 3ad2875240
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1 changed files with 3 additions and 3 deletions
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scheds/rust/scx_bpfland/src/bpf/main.bpf.c
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@ -302,10 +302,10 @@ static inline u64 task_vtime(struct task_struct *p)
* performance (less spikey), smoothing the reordering of the vruntime
* scheduling and making the scheduler closer to a FIFO.   
*/
if (vtime_before(vtime, vtime_now - slice_ns_lag))
vtime = vtime_now - slice_ns_lag;
if (vtime_before(p->scx.dsq_vtime, vtime_now - slice_ns_lag))
p->scx.dsq_vtime = vtime_now - slice_ns_lag;
return vtime;
return p->scx.dsq_vtime;
}
/*