Remotely using perf in yocto Remotely Using Perf in Yocto Debugging Embedded Systems Made Easy Debugging performance issues in embedded systems can be a real headache especially when workin 2 min read 04-10-2024 11
Using epoll on a sampling perf_event_open file descriptor returns EPOLLHUP Understanding EPOLLHUP When Using epoll with perf event open File Descriptors Introduction If you ve ever worked with high performance applications in Linux you 3 min read 29-09-2024 14
Why perf starts to multiplex events even if there are more counters than events? Understanding Perf Multiplexing Events Why It Happens Even with More Counters Than Events When using performance analysis tools like perf you might encounter a 2 min read 23-09-2024 17
Perf only has power/energy-pkg Understanding Power and Energy Packages in Performance Management In the realm of performance management for computer systems the term power energy package ofte 2 min read 21-09-2024 12
How to use perf to collect performance metrics for cgroup? How to Use perf to Collect Performance Metrics for cgroups Performance monitoring is a crucial aspect of managing Linux systems especially when dealing with con 3 min read 20-09-2024 20
How to Link (Simple)Perf Events for ARM CPUs on Android with Concise Metric Description? How to Link Simple Perf Events for ARM CPUs on Android with Concise Metric Description If you re a developer looking to enhance your application performance on 3 min read 20-09-2024 17
Understanding Linux perf report output Demystifying Linux perf report Output A Deep Dive into Call Graphs The perf tool in Linux is a powerful profiler that provides insights into application perform 3 min read 06-09-2024 22
Better representation of perf data. Filter functions? Demystifying Performance Data Filtering for Clarity in Flame Graphs Understanding the performance of your code is crucial for optimizing its efficiency Flame gr 2 min read 05-09-2024 20
perf on arm cortex-a7 produces no callstacks Troubleshooting perf on ARM Cortex A7 Missing Callstacks Profiling your codes performance is essential for optimizing it and tools like perf are invaluable Howe 2 min read 02-09-2024 9
perf report: Why is said my function is calling main? Unraveling the Mystery of Server on Recv Block Calling libc start call main in Perf Reports Understanding the call stack in a perf report can be challenging esp 2 min read 02-09-2024 22
CPython: what happens when the take_gil function calls the drop_gil function Understanding GIL Management in C Python The Interaction of take gil and drop gil Functions Introduction Python s Global Interpreter Lock GIL is a well known fe 3 min read 31-08-2024 23
Linux read() occasionally returns "No child processes" (errno 10) when reading perf counters after kernel update Linux read Occasionally Returns No Child Processes errno 10 When Reading Perf Counters After Kernel Update This article delves into a perplexing issue encounter 2 min read 31-08-2024 16
How to get llc misses using perf Demystifying LLC Misses with perf A Deep Dive Performance analysis is crucial for optimizing your applications One key metric to consider is the Last Level Cach 2 min read 29-08-2024 19
Why does perf record --branch-any affect the CPU usage of the process? Understanding the Performance Impact of perf record branch any When you use perf record branch any to collect branch trace events you might notice an increase i 2 min read 29-08-2024 13