I have an account using too much CPU. When using top command, I can see some processes from that account using CPU. Trying to use strace, but I always end up with the same error
Is there any way to find out what those processes are doing?
Thanks.
Code:
# strace -p 3992731
strace: Process 3992731 attached
--- SIGPROF {si_signo=SIGPROF, si_code=SI_KERNEL} ---
setitimer(ITIMER_PROF, {it_interval={tv_sec=0, tv_usec=0}, it_value={tv_sec=2, tv_usec=0}}, NULL) = 0
rt_sigaction(SIGPROF, {sa_handler=0x9372f0, sa_mask=~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7effa0e54db0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [PROF], NULL, 8) = 0
rt_sigreturn({mask=[]}) = 4
--- SIGPROF {si_signo=SIGPROF, si_code=SI_KERNEL} ---
write(2, "\nFatal error: Maximum execution "..., 193) = -1 EPIPE (Broken pipe)
exit_group(124) = ?
+++ exited with 124 +++
Code:
# strace -p 4120323
strace: Process 4120323 attached
--- SIGPROF {si_signo=SIGPROF, si_code=SI_KERNEL} ---
setitimer(ITIMER_PROF, {it_interval={tv_sec=0, tv_usec=0}, it_value={tv_sec=2, tv_usec=0}}, NULL) = 0
rt_sigaction(SIGPROF, {sa_handler=0x9372f0, sa_mask=~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f455fe54db0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [PROF], NULL, 8) = 0
rt_sigreturn({mask=[]}) = 32863570
--- SIGPROF {si_signo=SIGPROF, si_code=SI_KERNEL} ---
write(2, "\nFatal error: Maximum execution "..., 193) = 193
exit_group(124) = ?
+++ exited with 124 +++Thanks.