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The strace output I/O analyser is a tool to analyze the I/O behaviour of serial and parallel applications. It traces the system calls and generates statistics for every accessed file.[1]
The process is described in https://github.com/cniethammer/strace-analyzer.
This generate a set of strace log files - one for each MPI process. The log files will be stored in a directory strace-logs under the current path.