how to find out what it is waiting for
When looking at the process with "ps ax" the stat column is "Dl" which means "uninterruptible sleep (usually IO)". Is it possible to find out more details on what the process is
Linux Process States
A process performing I/O will be put in D state (uninterruptable sleep), which frees the CPU until there is a hardware interrupt which tells the CPU to return to executing the
Why doing I/O in Linux is uninterruptible?
In short, making I/O uninterruptible is for the purpose of making the I/O task finish ASAP, without being interfered by signals. Some related knowledge that I gained from the book: The word
understand perfetto Uninterruptible Sleep
Uninterruptible Sleep usually caused by I/O, sometime it''s caused by I/O trashing because of low memory. Only by looking your perfetto trace can figure it out.
Why there is a state called ''TASK_UNINTERRUPTIBLE'' in Linux
As you could read from that answer, setting the current process state to TASK_UNINTERRUPTIBLE is needed for make schedule() call, performed by that thread, to put the
Why doing I/O in Linux is uninterruptible?
In short, making I/O uninterruptible is for the purpose of making the I/O task finish ASAP, without being interfered by signals. Some related knowledge that I gained from the
How to stop ''uninterruptible'' process on Linux?
I have a VirtualBox process hanging around which I tried to kill (KILL/ABORT) but without success. The parent pid is 1 (init). top shows the process as D which is documented as "uninterruptible sl...
How can I put process into "uninterruptible sleep"?
I''m noticed that process that dumping a core is in uninterruptible sleep, so it can''t be killed with SIGKILL, but when I''m trying to emulate this behavior using pipe commands that receives coredump I can
Uninterruptable process in Windows (or Linux)?
Is there any way to make a program that cannot be interrupted (an uninterrupted program)? By that, I mean a process that can''t be terminated by any signal, kill command, or any
How to stop ''uninterruptible'' process on Linux?
I have a VirtualBox process hanging around which I tried to kill (KILL/ABORT) but without success. The parent pid is 1 (init). top shows the process as D which is documented as
Why there is a state called ''TASK_UNINTERRUPTIBLE'' in Linux
As you could read from that answer, setting the current process state to TASK_UNINTERRUPTIBLE is needed for make schedule() call, performed by that thread, to
Linux Process States
A process performing I/O will be put in D state (uninterruptable sleep), which frees the CPU until there is a hardware interrupt which tells the CPU to return to executing the program. See
Uninterruptable process in Windows (or Linux)?
Is there any way to make a program that cannot be interrupted (an uninterrupted program)? By that, I mean a process that can''t be terminated by any signal, kill command, or
How can I put process into "uninterruptible sleep"?
I''m noticed that process that dumping a core is in uninterruptible sleep, so it can''t be killed with SIGKILL, but when I''m trying to emulate this behavior using pipe commands that receives