On 04/18/2018 03:36 PM, Dave Jones wrote: > Hello, gang. > > I have a very simple bash script that runs a trivial data collection > task, and then does a Linux "sleep im" to wait a minute before running > the data collection task again. Under very high CPU loads (> 90%) I have > noticed that the "sleep" command does not seem to wake up after one > minute but instead wakes up 15 to 20 minutes later. This is on a Red Hat > 6.9 guest running under z/VM 6.4 on a z12 box. > > I would like to buy a clue here if I could.
This should not happen, even under load. Is this really the sleep that does not wakeup or is maybe the following stuff not getting access to the data? Have you tried with "set -x" in the bash script to see what commands bash is executing? ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
