DFS MC: Restore from system states even if we have to run some transitions out of it

[simgrid.git] / examples / cpp / synchro-mutex / s4u-mc-synchro-mutex-stateful.tesh

diff --git a/examples/cpp/synchro-mutex/s4u-mc-synchro-mutex-stateful.tesh b/examples/cpp/synchro-mutex/s4u-mc-synchro-mutex-stateful.tesh
new file mode 100644 (file)
index 0000000..3d1e75d
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+++ b/examples/cpp/synchro-mutex/s4u-mc-synchro-mutex-stateful.tesh
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+#!/usr/bin/env tesh
+
+p This file tests the cfg=model-check/checkpoint option for DFS explorer
+
+$ $VALGRIND_NO_TRACE_CHILDREN ${bindir:=.}/../../../bin/simgrid-mc --cfg=model-check/checkpoint:5 --cfg=model-check/sleep-set:true -- ${bindir:=.}/s4u-synchro-mutex --cfg=actors:2 --log=s4u_test.thres:critical
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'model-check/checkpoint' to '5'
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'model-check/sleep-set' to 'true'
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'actors' to '2'
+> [0.000000] [mc_dfs/INFO] Start a DFS exploration. Reduction is: dpor.
+> [0.000000] [mc_dfs/INFO] DFS exploration ended. 130 unique states visited; 27 backtracks (209 transition replays, 52 states visited overall)
+
+p The stats without checkpoints is:               130 unique states visited; 27 backtracks (308 transition replays, 151 states visited overall)
+p But it runs much faster (0.6 sec vs. 1.6 sec), damn slow checkpointing code.