vykt@kompot:/proc$ awk '{print FILENAME" "$28}' /proc/$QTPID/stat /proc/$QTPID/task/*/stat
/proc/20444/stat 140724841263648
/proc/20444/task/12751/stat 140724841263648
/proc/20444/task/15624/stat 140724841263648
/proc/20444/task/15958/stat 140724841263648
/proc/20444/task/15959/stat 140724841263648
/proc/20444/task/15963/stat 140724841263648
/proc/20444/task/16088/stat 140724841263648
/proc/20444/task/16444/stat 140724841263648
/proc/20444/task/19627/stat 140724841263648
/proc/20444/task/20444/stat 140724841263648
/proc/20444/task/20465/stat 140724841263648
/proc/20444/task/20466/stat 140724841263648
/proc/20444/task/20467/stat 140724841263648
/proc/20444/task/20468/stat 140724841263648
/proc/20444/task/20475/stat 140724841263648
/proc/20444/task/20481/stat 140724841263648
/proc/20444/task/20482/stat 140724841263648
/proc/20444/task/20484/stat 140724841263648
/proc/20444/task/20490/stat 140724841263648
/proc/20444/task/20492/stat 140724841263648
/proc/20444/task/20493/stat 140724841263648
/proc/20444/task/20494/stat 140724841263648
/proc/20444/task/20495/stat 140724841263648
/proc/20444/task/20498/stat 140724841263648
/proc/20444/task/20500/stat 140724841263648
/proc/20444/task/20501/stat 140724841263648
/proc/20444/task/20502/stat 140724841263648
/proc/20444/task/20513/stat 140724841263648
/proc/20444/task/20521/stat 140724841263648
/proc/20444/task/20522/stat 140724841263648
/proc/20444/task/20523/stat 140724841263648
/proc/20444/task/20524/stat 140724841263648
/proc/20444/task/32122/stat 140724841263648
/proc/20444/task/7444/stat 140724841263648
vykt@kompot:/proc$ uname -r
6.1.31-gentoo_dbg