<s>
Jinx	O
was	O
a	O
concurrency	B-Operating_System
debugger	B-Application
that	O
deterministically	O
controlled	O
the	O
interleaving	O
of	O
workloads	O
across	O
processor	O
cores	O
,	O
focusing	O
on	O
shared	O
memory	O
interactions	O
.	O
</s>
<s>
alternate	O
eventualities	O
,	O
or	O
execution	O
scenarios	O
,	O
that	O
will	O
occur	O
under	O
some	O
future	O
condition	O
)	O
that	O
are	O
most	O
likely	O
to	O
result	O
in	O
concurrency	B-Operating_System
faults	O
,	O
and	O
quickly	O
tested	O
those	O
execution	O
paths	O
to	O
surface	O
concurrency	B-Operating_System
problems	O
such	O
as	O
deadlocks	B-Operating_System
,	O
race	B-Operating_System
conditions	I-Operating_System
and	O
atomicity	O
violations	O
that	O
are	O
found	O
in	O
multiprocessing	B-Operating_System
applications	O
.	O
</s>
<s>
Jinx	O
was	O
implemented	O
as	O
a	O
hypervisor	B-Operating_System
,	O
giving	O
it	O
the	O
ability	O
to	O
observe	O
the	O
effects	O
of	O
all	O
elements	O
of	O
the	O
software	O
environment	O
on	O
thread	O
interleaving	O
.	O
</s>
