added hardware_performance_counter.sh to implement part B:

perf stat -e "PMU1,PMU2, ...≪program name>

hardware_performance_counter.sh

+#!/bin/bash
+
+PROGRAMM="./build/src/fileReader"
+BLOCKGROESSEN=(1024 16384 65536)
+PMUs="cache-references,cache-misses,mem_access,page-faults"
+ERGEBNISDATEI="perf_results.txt"
+
+echo "Blockgröße | Cache-Zugriffe | Cache-Misses | Speicherzugriffe | Seitenfehler" > $ERGEBNISDATEI
+
+for BLOCK in "${BLOCKGROESSEN[@]}"; do
+    echo "Teste Blockgröße: $BLOCK Bytes"
+    
+    # Starte `perf stat` und leite die Ausgabe um
+    perf stat -e $PMUs $PROGRAMM $BLOCK > /dev/null 2> perf_output.txt
+    
+    # Extrahiere die Messwerte aus der `perf_output.txt`
+    CACHE_REF=$(grep "cache-references" perf_output.txt | awk '{print $1}')
+    CACHE_MISS=$(grep "cache-misses" perf_output.txt | awk '{print $1}')
+    MEM_ACCESS=$(grep "mem_access" perf_output.txt | awk '{print $1}')
+    PAGE_FAULTS=$(grep "page-faults" perf_output.txt | awk '{print $1}')
+    
+    # Speichere die Werte in der Datei
+    echo "$BLOCK | $CACHE_REF | $CACHE_MISS | $MEM_ACCESS | $PAGE_FAULTS" >> $ERGEBNISDATEI
+done
+
+echo "Messungen abgeschlossen. Ergebnisse in $ERGEBNISDATEI gespeichert."
+

results/perf_output.txt

+Usage: ./build/src/fileReader <filename> <block_size>
+Example: ./build/src/fileReader largefile.txt 4096
+
+ Performance counter stats for './build/src/fileReader 65536':
+
+           2794260      cache-references                                                      
+             34039      cache-misses                     #    1.22% of all cache refs         
+           2796744      mem_access                                                            
+               109      page-faults                                                           
+
+       0.007317616 seconds time elapsed
+
+       0.001824000 seconds user
+       0.005472000 seconds sys
+
+

results/perf_results.txt

+Blockgröße | Cache-Zugriffe | Cache-Misses | Speicherzugriffe | Seitenfehler
+1024 | 2827351 | 34361 | 2829874 | 108
+16384 | 2798755 | 32813 | 2801242 | 108
+65536 | 2794260 | 34039 | 2796744 | 109

results/piped_execution_time.txt

+Performance Measurements
+------------------------
+Average execution time for size => 1 : 450 ms
+Average execution time for size => 2 : 235 ms
+Average execution time for size => 4 : 127 ms
+Average execution time for size => 8 : 77 ms
+Average execution time for size => 16 : 54 ms
+Average execution time for size => 32 : 42 ms
+Average execution time for size => 64 : 35 ms
+Average execution time for size => 128 : 32 ms
+Average execution time for size => 256 : 31 ms
+Average execution time for size => 512 : 30 ms
+Average execution time for size => 1024 : 30 ms
+Average execution time for size => 2048 : 30 ms
+Average execution time for size => 4096 : 29 ms
+Average execution time for size => 8192 : 26 ms
+Average execution time for size => 16384 : 24 ms
+Average execution time for size => 32768 : 23 ms
+Average execution time for size => 65536 : 22 ms
+Average execution time for size => 131072 : 23 ms
+Average execution time for size => 262144 : 22 ms
+Average execution time for size => 524288 : 23 ms
+Average execution time for size => 1048576 : 26 ms
+Average execution time for size => 2097152 : 27 ms
+Average execution time for size => 4194304 : 31 ms
+Average execution time for size => 8388608 : 35 ms
+Average execution time for size => 16777216 : 36 ms
+Average execution time for size => 33554432 : 35 ms

results/stdout_execution_time.txt

+Performance Measurements
+------------------------
+Average execution time for size => 1 : 1953 ms
+Average execution time for size => 2 : 1962 ms
+Average execution time for size => 4 : 1953 ms
+Average execution time for size => 8 : 2014 ms
+Average execution time for size => 16 : 1932 ms
+Average execution time for size => 32 : 1993 ms
+Average execution time for size => 64 : 2120 ms
+Average execution time for size => 128 : 2613 ms
+Average execution time for size => 256 : 2261 ms
+Average execution time for size => 512 : 1942 ms
+Average execution time for size => 1024 : 1931 ms
+Average execution time for size => 2048 : 1901 ms
+Average execution time for size => 4096 : 1933 ms
+Average execution time for size => 8192 : 1966 ms
+Average execution time for size => 16384 : 1849 ms
+Average execution time for size => 32768 : 1910 ms
+Average execution time for size => 65536 : 1988 ms
+Average execution time for size => 131072 : 1889 ms
+Average execution time for size => 262144 : 1949 ms
+Average execution time for size => 524288 : 2126 ms
+Average execution time for size => 1048576 : 1945 ms
+Average execution time for size => 2097152 : 1832 ms
+Average execution time for size => 4194304 : 1870 ms
+Average execution time for size => 8388608 : 1904 ms
+Average execution time for size => 16777216 : 1915 ms
+Average execution time for size => 33554432 : 1905 ms