strace

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How does strace interpret syscall arguments?

I know it uses ptrace for implementation, and it can get arguments in registers, but they\'re numbers only,[详细]

2023-04-07 17:05 分类：问答
Line Number Info in ltrace and strace tools

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.[详细]

2023-03-23 00:19 分类：问答
Trace the calls to pull_task() for running processes

I am trying to count the number of times pull_task() is called by processes in my system. pull_task() is a scheduling function that moves a task from runqueue of a busy CPU to the runqueue of an idle[详细]

2023-03-20 08:22 分类：问答
Prevent strace from abbreviating arguments?

I\'m trying to use strace to find out what commands a program executes using execve. Some of the arguments in these commands are quite long, and strace is abbreviating the arguments to execve (I see \[详细]

2023-03-20 08:11 分类：问答
gawk : extracting data from special symbols

I am trying to get the total time from开发者_开发知识库 strace -T, which is reported as : pid command [time][详细]

2023-03-18 03:43 分类：问答
strace/ltrace outputs inconsistent info

strace pwd: getcwd("/root"..., 4096)= 6 ltrace pwd: getcwd(NULL, 0)= "/root" Why the 1st parameter is NULL in ltrace?[详细]

2023-03-15 08:51 分类：问答
What kind of info are there in the first 832 bytes of .so file?

I saw many similar stuff like this: open(\"/lib64/libpthread.so.0\", O_RDONLY) = 3 read(3, \"\\177E开发者_如何学GoLF\\2\\1\\1\\0\\0\\0\\0\\0\\0\\0\\0\\0\\3\\0>\\0\\1\\0\\0\\0\\260W \\0242\\0\\0\\0[详细]

2023-03-15 01:06 分类：问答
Long running PHP process stuck in loop - strace output included

I have a long running PHP process, that sometimes hangs in a loop. This is the strace output, but I don\'t know what it means:[详细]

2023-03-12 19:12 分类：问答
Strace: how to debug invalid argument error

I am writing a python program to mount the fuse filesystem through mount system call using ctypes. Now its giving invalid argument error in mount system call. I have checked all the arguments and they[详细]

2023-03-12 14:00 分类：问答
What do these strace system calls mean?

I need to profile the performance of an application for which I am using strace. However, I do not really know how to interpret the various system calls the strace emits. Examples of a few of them are[详细]

2023-03-12 08:53 分类：问答