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use threads; ... threads->yield(); select undef,undef,undef,0.2; }
micha@laptop /proc $ perl -e 'while(1){system("cat $ARGV[0]/statm");sl +eep 1;}' 24857 20376 11566 394 289 0 19667 0 ... 21150 12354 394 289 0 20441 0 21150 12354 394 289 0 20441 0 45738 12366 394 289 0 45029 0