bro was this bug here all along and i never noticed

src/cpu.cpp

@@ -1,4 +1,5 @@
 #include <cpu.hpp>
+#include <print>
 
 namespace cpu {
 
@@ -43,6 +44,7 @@ void update(cpuSensors* c) {
 
     // lots of reads but still faster than reading /proc/cpuinfo
     char buf[5];
+    c->avg_freq = 0;
     for (uint8_t i = 0; i < N_CPU; i++) {
         readFile2("/sys/devices/system/cpu/cpu" + std::to_string(i) + "/cpufreq/cpuinfo_avg_freq", buf, sizeof(buf));
         c->avg_freq += strtol(buf, NULL, 10);