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@@ -180,6 +180,14 @@ application running with simgrid, pass the <c>--cfg=contexts/factory:thread</c>
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option to the application, to make simgrid use system threads, which gdb will be
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able to manipulate as usual.
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+It is also worth noting Simgrid 3.21's new parameter
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+<c>--cfg=simix/breakpoint</c> which allows to put a breakpoint at a precise
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+(deterministic!) timing of the execution. If for instance in an execution
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+trace we see that something odd is happening at time 19000ms, we can use
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+<c>--cfg=simix/breakpoint:19.000</c> and SIGTRAP will be raised at that point,
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+which will thus interrupt execution within gdb, allowing to inspect e.g.
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+scheduler state, etc.
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+
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\section SimulationMemoryUsage Memory Usage
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Since kernels are not actually run and data transfers are not actually
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