The title says it all friends! How do I give command line arguments to an executable whose execution I want to monitor using ltrace/strace ? For example, if the executable is 'a.out' and I want t...

I have a python GUI application. And now I need to know what all libraries the application links to. So that I can check the license compatibility of all the libraries. I have tried using strace, ...

I wanted to trace the system calls made by the find command to debug some performance issues however I could not figure out how to do this on Mac OS X Yosemite. How can I trace system calls for an ...

I'm trying to attach to a program with GDB but it returns: Attaching to process 29139 Could not attach to process. If your uid matches the uid of the target process, check the setting of /proc/sys...

I have a multithreaded process running on RHEL6.x (64bit). I find that the process hangs and some threads (of the same process) crash most of the time when I try to bring up the process. Some thre...

Self contained reproducible example I need to strace the output of any command through python. But I only need to translate the following amd linux command to mac m1/arm commands (so python is like...

I have a singlethreaded Unix process that communicates over TCP with other processes. The problem is the following. When I start up the process it hangs (no busy loop) until I kill it. The funny th...

OS X lacks linux's strace, but it has dtrace which is supposed to be so much better. However, I miss the ability to do simple tracing on individual commands. For example, on linux I can write str...

Is it possible that I can view the line number and file name (for my program running with ltrace/strace) along with the library call/system call information. Eg: code section :: ptr = malloc(siz...

I need to track read system calls for specific files, and I'm currently doing this by parsing the output of strace. Since read operates on file descriptors I have to keep track of the current mappi...

I invoked getpid() in a program for many times (to test the efficiency of system calls), however when I use strace to get the trace, only one getpid() call is captured. The code is simple: #include...

I've got a long running node.js process that sometimes jumps to 100% CPU and stops responding to requests. The most recent time it did this I attached strace to the process, and here's what I saw: ...

I used strace to attach to a process briefly. The process created 90 threads. When I found the offending thread, I had to tediously search for the parent thread, then the grandparent thread, and so...

I need help on stracing Android apps in the SDK emulator. Here is my setup: I have an Android SDK emulator running the Android API 4.03 ADB shell connected to emulator. I am able to install an A...

Strace can be used for tracing process by passing command for the process as below strace -f -tt -o strace.log -D <SOME_COMMAND> But below command fails to trace the syscalls of started dae...

When I run strace -f strace /bin/ls to know how strace work it failed with ptrace(PTRACE_TRACEME, 0, 0, 0) = -1 EPERM (Operation not permitted) even with root account. It there any soluti...

A colleague once told me that the last option when everything has failed to debug on Linux was to use strace. I tried to learn the science behind this strange tool, but I am not a system admin gur...

I'm looking for a Windows equivalent of Systrace or at least strace. I'm aware of StraceNT, but wondering if there are any more alternatives out there. Specifically, I'm looking for a specific way...

I'm trying to debug why ngspice prints annoying newlines to stderr while running a simulation. I'm trying to locate it in one of the 2400 source files tracing back to 1993 but it's not as easy as i...

Does anyone know if there is something like strace, dtruss, or dtrace for iPhone? tester-iPhone:/tmp root$ apt-cache search dtruss tester-iPhone:/tmp root$ apt-cache search dtrace tester-iPhone:...

How can I get current working directory in strace output, for system calls that are being called with relative paths? I'm trying to debug complex application that spawns multiple processes and fail...

I am attempting to debug Gammu, a "library and command line utility for mobile phones", which is "timing out" when communicating normally with the modem. gammu identify -> No response in specified...

Attaching strace shows a lot of these messages: poll([{fd=5, events=POLLIN}, {fd=6, events=POLLIN}, {fd=7, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10, events=POLLIN}], 6,...

My goal is to monitor which ports are opened and closed by a multi-process application. My plan is to run the application in a Docker container, in order to isolate it, and then use strace to repor...

I am confused about this strace report on an ArchLinux, 64bit intel machine: ~ sudo strace -c -p 876 [sudo] password for pmatos: strace: Process 876 attached strace: [ Process PID=876 runs in x32...