detect problematic process which affects system load but not cpu -

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i have system contains application server multiple processes (this cannot changed... product i'm testing). when check system load, can see on 32 hyperthreads load of above 32 when @ cpu utilization, see less 30% cpu user time usage , system time below 5%.

this means processes affect load in task_uninterruptible sleep waiting io (since system load metric takes account task_runnable , task_untinterruptible processes, meaning, processes either running, waiting run , ready, or waiting on lock io in uninterruptible sleep)

what fastest way detect processes cause system load soar high?

tried ps -e v, got lost there... many processes (over 1000....) can't make whats output.


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