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terminal_mux.run: Let CLI monitor preserve RAM 

This change allows for the testing of cli_monitor's automatic resource
balancing by executing the following command:

  start ram_eater --ram-limit 1G --count 5

The command starts 5 instances of a RAM-eating process, which is,
however, able to yield resources when instructed. The RAM quota for the
processes gets automatically extended because of the overly large limit
of 1 GiB, which is far more than CLI monitor's RAM resources (100 MiB).
When the RAM usage hits the preservation limit, CLI monitor broadcasts
yield requests to each ram_eater instance, which allow the scenario to
remain alive.
This commit is contained in:
Norman Feske 2013-10-14 14:41:39 +02:00
parent 11e628714d
commit 04cbee4c76
1 changed files with 4 additions and 3 deletions
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7
gems/run/terminal_mux.run
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@ -89,10 +89,11 @@ append config {
</route>
</start>
<start name="cli_monitor">
<resource name="RAM" quantum="1G"/>
<resource name="RAM" quantum="100M"/>
<config>
<preservation name="RAM" quantum="16M" />
<subsystem name="noux" help="VIM executed in the noux runtime">
<resource name="RAM" quantum="16M"/>
<resource name="RAM" quantum="16M" />
<config>
<fstab> <tar name="vim.tar" /> </fstab>
<start name="/bin/vim">
@ -128,7 +129,7 @@ append config {
<subsystem name="ram_eater" help="resource-yield test program">
<resource name="RAM" quantum="25M" />
<binary name="test-resource_yield" />
<config child="yes" expand="yes" />
<config child="yes" expand="yes" period_ms="100" />
</subsystem>
</config>
<route>