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Under the hood system calls : Debugging, INT, SIGTRAP

Ever wondered how debuggers work?? Gdb, strace, …etc…Here is more about them and why you should not use them in production facing systems!
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aarti gupta
Under the hood memory: Know your memory(and caches!)

Under the hood memory: Know your memory(and caches!)

Random Access Memory(RAM)
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aarti gupta

Under the hood CPU Utilization, CPI and Load Averages

What really is CPU Utilization?
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aarti gupta

Under the hood OS: Demand Paging, Page Faults and Working Set

Linux is an on demand memory system. The malloc() call immediately returns virtual memory, which is only promoted to real memory later when…
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aarti gupta
Under the hood attacks: Spectre and Meltdown

Under the hood attacks: Spectre and Meltdown

taken with permission of the author from https://twitter.com/gsuberland/status/948907452786933762 as this is the best explanation I have…
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aarti gupta
Under the hood definitions: Memory model and memory barriers

Under the hood definitions: Memory model and memory barriers

What is a memory model
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aarti gupta
Under the hood JVM: Safepoints

Under the hood JVM: Safepoints

A safepoint is a range of execution where the state of the executing thread is well described. Safepoints are a common JVM implementation…
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aarti gupta
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Under the hood CPU: Know your CPU

Under the hood CPU: Know your CPU

know the mechanics of your race car, part 1: CPU
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aarti gupta
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