When I am trying to investigate what is going on issuing second commnat paraller to first one
it returns various PID and execs but neither belongs to stap
3rd command also issued paraller to 1st
seems it goes throught 5 phases (compiles and loaded into kernel) - but prints nothing just: WARNING: probe registration error (symbol not found)
the date command runs normally
What is wrong with gettimeofday ???
2nd
===
I am trying to trace system calls per process with following code
can be process tracd according to execname() + PATH containing binary - the equivalent of /proc/$PID/exe
3rd
===
according man stap the -L option should be the used to get possible variables.
works as expected
Now, how to know which variables can be used in all library calls ?
did not returns anything why
Also can somebody explain those variables with $ (target variables) They are those which can be used in source code of app ?
4nd
===
where are described functions that can be used with stap ? Those in man stapfuncs ?
and tapsets are those in tapset refference ?
When I am trying to investigate what is going on issuing second commnat paraller to first one
it returns various PID and execs but neither belongs to stap
3rd command also issued paraller to 1st
Runs well also.
seems it goes throught 5 phases (compiles and loaded into kernel) - but prints nothing just: WARNING: probe registration error (symbol not found)
*gettimeofday* equals *gettimeofday
the date command runs normally
What is wrong with gettimeofday ???
2nd
===
I am trying to trace system calls per process with following code
can be process tracd according to execname() + PATH containing binary - the equivalent of /proc/$PID/exe
3rd
===
according man stap the -L option should be the used to get possible variables.
works as expected
Now, how to know which variables can be used in all library calls ?
did not returns anything why
Also can somebody explain those variables with $ (target variables) They are those which can be used in source code of app ?
This code will run a long time .
4nd
===
where are described functions that can be used with stap ? Those in man stapfuncs ?
and tapsets are those in tapset refference ?
Hi,
I am a newbie to the systemtap. I was wondering is there a way I can write the data to file instead of printing on the screen. This way, I can process the systemtap output periodically using other programs.
Thanks in advance!!
Fidelity (2 Replies)
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Dear Guys ,
I have some Questions , i need to have answeres for .
1. now if i took a back up for /etc/passwd and /etc/shadow , like simple copy .. and Install a new system , and paste those two files to the new system ... are the passwords and user info. going to work ?? is it posibble ?
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