3
votes
2answers
598 views

Which file in kernel specifies fork(), vfork()… to use sys_clone() system call

When ltrace is used for tracing the system calls, I could see that fork() uses sys_clone() rather than sys_fork(). But I couldnt find the linux source where it is defined. My program is ...
3
votes
1answer
190 views

How to increase ftrace precision to microseconds?

I'm trying to generate FTrace files inside an Android environment, using: root@adroid:# echo 1 > /sys/kernel/debug/tracing/events/sched/sched_switch/enable root@adroid:# echo 1 > ...
7
votes
3answers
2k views

How to trace a java-program?

As a sysadmin I sometimes face situations, where a program behaves abnormally, while not creating errors at all or creating nonsense error-messages. In the past - before java came in - there were two ...
1
vote
1answer
108 views

Is there any way to attach latrace to an already-running process?

I want to trace a running multi-threaded process's library calls. As of 5 November 2012, there's only one way to get ltrace to fully support tracing multi-threaded processes: you must check out and ...