Hi List,
I am debugging Linux kernel using gdb (KGDB patch). I am successsfully
able to set breakpoints in the kernel and step though the code as far
as a single thread of execution is concerned.
However, I was curious so as to how can I simulate and debug a race
condition that involves multiple threads?
For e.g., I want to simulate and analyse the state of some data structures when:
Process P1 takes a semaphore S.
.......
(At certain time) Process P2 becomes runnable and preempts P1
How do I perform a context switch and simulate that "while P1 is
executing this instruction, P2 preempts it". Is it possible?
Thanks,
Rick
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