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$ ./osjitter -t 5
CPU TSC_khz #intr #delta ovfl_ns invol_ctx sum_intr_ns iratio rt_s loop_ns median_ns p20_ns p80_ns p90_ns p99_ns p99.9_ns max_ns mad_ns
0 2899994 5121 5121 0 76 12977479 0.003 5 14 1847 1839 2002 2129 3679 299083 332266 10
realloc in pp_results failed

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$ sudo ./osjitter -t 60
CPU TSC_khz #intr #delta ovfl_ns invol_ctx sum_intr_ns iratio rt_s loop_ns median_ns p20_ns p80_ns p90_ns p99_ns p99.9_ns max_ns mad_ns
0 2899994 60708 60708 0 792 226985796 0.004 60 14 1846 1833 1957 2104 3422 314684 26137423 13
realloc in pp_results failed

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Although there are 64 cores on the machine, the command exits after showing info of 1 core

$ CXXFLAGS='-Wall -O3 -g' cmake .. -DCMAKE_BUILD_TYPE=Release -DBENCHMARK_ENABLE_GTEST_TESTS=0 -GNinja
CMake Error at CMakeLists.txt:5 (add_subdirectory):
The source directory

/home/ec2-user/software/osjitter-master/benchmark

does not contain a CMakeLists.txt file.