<div dir="ltr"><div><div>Dear Concern,<br><br></div>I am wondering if there is any way to kill all the running real-time task manually. <br></div><br>I am trying to run G-EDF and C-EDF with different tasks and because of wrong parameter I found "rcu_preempt detected stalls on cpus/tasks", as a result my rt tasks were still running. <br>
<br>"<br>[ 2072.588370] Could not switch plugin: -16<br>[ 2107.177026] Could not switch plugin: -16<br>[ 2120.735386] Could not switch plugin: -16<br>[ 2131.718955] Could not switch plugin: -16<br>[ 2173.427350] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=600017 jiffies, g=53906, c=53905, q=0)<br>
[ 2173.427371] INFO: Stall ended before state dump start<br>[ 2189.814720] Could not switch plugin: -16<br>[ 2353.473222] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=780022 jiffies, g=53906, c=53905, q=0)<br>
[ 2353.473241] INFO: Stall ended before state dump start<br>[ 2533.519115] INFO: rcu_preempt detected stalls on CPUs/tasks: {} (detected by 1, t=960027 jiffies, g=53906, c=53905, q=0)<br>[ 2533.519131] INFO: Stall ended before state dump start<br>
<br>"<br><br><br>Though I ran the command using sudo,<br><div>"<br>Error: Cannot write to /proc/litmus/active_plugin. Do you have root privileges?<br>Error: Setting new plugin failed.<br>Are there any active real-time tasks?<br>
sdas@sdas-lab:~/littest/liblitmus$ <br>"<br><br></div><div>Any suggestions will be very helpful. <br><br></div><div>Thanks in advance <br><br></div><div>Sanjib<br></div><div><br><br></div></div>