Created container with pid 2807
root      2805  0.0  0.0   1660   424 ttyp0    S+   19:53   0:00 ../ns_exec -cpuimP pid.pthread1 -- ./pthread1 -n 4
root      2807  0.0  0.0  34520   520 ttyp0    Sl+  19:53   0:00 ./pthread1 -n 4
root      2819  0.0  0.0   3904   648 ttyp0    R+   19:53   0:00 grep ./pthread1
<1>number of tasks: 5
<1>pid 2: thread tgid 1
<1>pid 2: creator set to 1
<1>pid 3: thread tgid 1
<1>pid 3: creator set to 1
<1>pid 4: thread tgid 1
<1>pid 4: creator set to 1
<1>pid 5: thread tgid 1
<1>pid 5: creator set to 1
<1>[0] pid 1 ppid 0 sid 1 creator 0     
<1>[1] pid 2 ppid 0 sid 1 creator 1 prev 3 T   
<1>[2] pid 3 ppid 0 sid 1 creator 1 next 2 prev 4 T   
<1>[3] pid 4 ppid 0 sid 1 creator 1 next 3 prev 5 T   
<1>[4] pid 5 ppid 0 sid 1 creator 1 next 4 T   
<1>subtree (existing pidns)
<1>forking child vpid 1 flags 0x1
<1>forked child vpid 3 (asked 1)
<3>root task pid 3
<3>pid 1: pid 3 sid 0 parent 1
<3>pid 1: fork child 5 without session
<3>forking child vpid 5 flags 0x4
<3>forked child vpid 4 (asked 5)
<3>pid 1: fork child 4 without session
<4>pid 5: pid 4 sid 3 parent 1
<3>forking child vpid 4 flags 0x4
<2>c/r swap old 5 new 4
<5>pid 4: pid 5 sid 3 parent 1
<5>about to call sys_restart()
<2>c/r swap old 4 new 5
<3>forked child vpid 5 (asked 4)
<4>about to call sys_restart()
<3>pid 1: fork child 3 without session
<3>forking child vpid 3 flags 0x4
<3>forked child vpid 6 (asked 3)
<3>pid 1: fork child 2 without session
<6>pid 3: pid 6 sid 3 parent 1
<3>forking child vpid 2 flags 0x4
<2>c/r swap old 3 new 6
<6>about to call sys_restart()
<7>pid 2: pid 7 sid 3 parent 1
<7>about to call sys_restart()
<2>c/r swap old 2 new 7
<3>forked child vpid 7 (asked 2)
<2>c/r swap old 1 new 3
<2>c/r read input 16384
<2>c/r read input 16384
<2>c/r read input 16384
<2>c/r read input 16384
<2>c/r read input 16384
<3>about to call sys_restart()
<2>c/r read input 16384
<2>c/r read input 668
<2>c/r read input 0
<1>restart succeeded
root      2847  0.0  0.0  34520   136 ?        Ssl  19:53   0:00 ./pthread1 -n 4
root      2857  0.0  0.0   3904   652 ttyp0    R+   19:53   0:00 grep ./pthread1