Paran Lee

Compile Error on WSL2(x86_64) Ubuntu 20.04 Clang compile

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My Clang version on x86_64 WSL2 ubuntu 20.04 ``` ~/uftrace$ uname -r 5.10.16.3-microsoft-standard-WSL2 ~/uftrace$ clang --version clang version 10.0.0-4ubuntu1 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin ``` Linker show `-fPIE`...

Code static checks infered by Infer(aarch64)

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There are infering to improve the uftrace project codes from Facebook Infer. **RPI 4 (400 model) aarch64 Ubuntu 22.04** ``` ~/uftrace$ uname -a Linux paranlee-desktop 5.15.0-1013-raspi #15-Ubuntu SMP PREEMPT Mon...

Add Mermaid Contents on Wiki

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While we are reviewing the uftrace code, or while using uftrace, If someone have any good content to organize or share, we can post it in the link below. -...

uftrace with qemu have segment fault issue

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I build with some patch on qemu. because I want to build `-pg` and debugging options! ``` cd qemu/build ../configure --disable-werror --enable-debug --extra-cflags="-pg -ggdb" --target-list=riscv64-softmmu,riscv64-linux-user,aarch64-softmmu,aarch64-linux-user make -j16 ``` remove `__safestack_unsafe_stack_ptr`....

Python Tracing Mutithreading Support

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## Mutitrheading Test Code ```py #!/usr/bin/python3 import _thread import time a_lock = _thread.allocate_lock() g_count = 0 # Define a function for the thread def print_time( threadName, delay): global g_count count...

Apple OSX Support

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If **Apple** were to making an next **Vision Pro**, they would have no choice but to use `uftrace` for Verifying the deterministic software behavior and performance measurement. I found the...

I would like to add some explanations and examples of tests/runtest.py usage printing. `runtest.py` usage is hard to first-time contributor. ``` usage: runtest.py [-h] [-f FLAGS] [-O OPTS] [-p] [-i]...

Misconceptions that can arise from a release version with too few numbers

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We think uftrace is a mature enough project for a 10-year, and a version that's too small might give the wrong impression that it's a prototype or alpha, which might...

x64 runtest 286 agent_trigger with ASAN tell me there is stack-use-after-return

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I tested in ubuntu 23.10 x86_64 Virtual Machine. ``` $ uname -a Linux paran-virtual-machine 6.3.0-7-generic #7-Ubuntu SMP PREEMPT_DYNAMIC Thu Jun 8 16:02:30 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux $ cat...

Refactoring non-standard `pthread_*` to C11 Standard `thrd`

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C11 Standard `thrd` - https://en.cppreference.com/w/c/thread `thrd`thread support in the C11 standard. Since the Linux kernel is also being refactored to C11, How we think about the proposal to refactor `pthread_*`...