Thread Management

Hardcore Insights: CPU Performance Optimization Practices for Java on Linux

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Hardcore Insights: CPU Performance Optimization Practices for Java on Linux

In today’s digital wave, Java applications have become the cornerstone of core business for many enterprises, while Linux, with its stability, open-source nature, and powerful customization capabilities, has become the preferred platform for deploying Java applications. The performance bottlenecks of Java applications are often closely related to the resource management of the Linux system. This … Read more

C++ std::thread: A Cross-Platform Thread Management Tool for Concurrency

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C++ std::thread: A Cross-Platform Thread Management Tool for Concurrency

In today’s world of widespread multi-core CPUs, multi-threaded concurrent programming has become an essential skill for developers. Previously, when I developed on the Linux platform using C, I typically relied on the system’s built-in pthread library. However, the biggest issue was its lack of cross-platform compatibility, as it could not be used on Windows. With … Read more

Functions in Zephyr Initialization

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List to check for any initialization issues; set breakpoints directly if there are problems. z_prep_c dev_state_zero arch_data_copy cache_init mpu_init c_start z_sys_init_run_level arch_kernel_init z_dummy_thread_init do_device_init int_init 16650_init uart_console device_is_ready clock_driver_init switch_to_main_thread prepare_multithreading z_sched_init init_ready_q/sys_dlist_init z_setup_new_thread(Initialize main thread) z_mark_thread_as_not_sleeping z_ready_thread(main) Check thread attributes, reset timer, cache, add timeout, add to list z_init_cpu(0) init_idle_thread setup_new_thread(idle) mark_not_sleeping switch_to_main_thread z_swap_unlocked: … Read more

GDB Debugging Methods (7) – Multithreaded Debugging

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GDB Debugging Methods (7) - Multithreaded Debugging

In practical GDB debugging experience, multithreaded debugging is more common, as many system designs are based on threads. Therefore, when a binary has issues, they often reside in a specific thread. At this point, GDB needs to correctly switch to the corresponding thread and then run. If you simply switch to a specific thread and … Read more

Thread Management: A Terminal Solution for Python Thread Management

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Thread Management: A Terminal Solution for Python Thread Management

Thread Management: A Terminal Solution for Python Thread Management As Python developers, we have all encountered the problem of chaotic thread management—threads are difficult to track after creation, cannot be gracefully stopped when exceptions occur, and their runtime status is opaque. This article introduces a concise terminal thread management solution that requires less than 100 … Read more

How to Reclaim Threads in Linux

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How to Reclaim Threads in Linux

Interviewer Question: How can threads be reclaimed in Linux? What are the common methods? Candidate Reference Answer: In POSIX thread (<span><span>pthread</span></span>) programming, after a thread finishes, some information (such as return value and exit status) is retained for other threads to use. If these resources are not reclaimed, it may lead tothread resource leakage. Common … Read more

Embedded Linux: Thread Creation, Termination, Reclamation, Cancellation, and Detachment

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Embedded Linux: Thread Creation, Termination, Reclamation, Cancellation, and Detachment

Click the blue text above to follow us The operations of thread creation, termination, cancellation, reclamation, and detachment are core to multithreaded programming. In multithreaded programming, it is essential to manage the lifecycle of threads properly to avoid issues such as resource leaks, race conditions, or zombie threads. 1 Creating Threads In Linux, by default, … Read more