genode/repos/gems/run/cpu_sampler.run
Norman Feske 02d5efcf3f init: apply routing to environment sessions
The init component used to create the CPU/RAM/PD/ROM sessions (the child
environment) for its children by issuing session requests to its parent,
which is typically core. This policy was hard-wired. This patch enables
the routing of the environment sessions of the children of init
according to the configured routing policy.

Because there is no hard-wired policy regarding the environment sessions
anymore, routes to respective services must be explicitly declared in
the init configuration. For this reason, the patch adjusts several run
scripts in this respect.

This patch removes the outdated '<if-args>' special handling of session
labels. The '<if-args>' feature will eventually be removed completely
(ref )

Issue 
Issue 
Issue 
Issue 
2017-01-31 12:01:11 +01:00

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if { ![have_spec foc] && ![have_spec hw] && ![have_spec nova] &&
![have_spec okl4] && ![have_spec sel4] } {
puts "Run script is not supported on this platform"
exit 0
}
build {
core
init
drivers/timer
server/cpu_sampler
test/cpu_sampler
}
create_boot_directory
install_config {
<config>
<parent-provides>
<service name="CPU"/>
<service name="IO_PORT"/>
<service name="IRQ"/>
<service name="LOG"/>
<service name="PD"/>
<service name="RAM"/>
<service name="ROM"/>
</parent-provides>
<default-route>
<any-service> <parent/> <any-child/> </any-service>
</default-route>
<start name="timer">
<resource name="RAM" quantum="1M"/>
<provides>
<service name="Timer"/>
</provides>
</start>
<start name="cpu_sampler">
<resource name="RAM" quantum="4M"/>
<provides>
<service name="CPU"/>
</provides>
<config sample_interval_ms="100" sample_duration_s="1">
<policy label="init -> test-cpu_sampler -> ep" />
</config>
</start>
<start name="init">
<resource name="RAM" quantum="2M"/>
<config>
<parent-provides>
<service name="LOG"/>
<service name="CPU"/>
<service name="RAM"/>
<service name="ROM"/>
<service name="PD"/>
</parent-provides>
<default-route>
<any-service> <parent/> </any-service>
</default-route>
<start name="test-cpu_sampler">
<resource name="RAM" quantum="1M"/>
<config ld_verbose="yes"/>
</start>
</config>
<route>
<service name="CPU"> <child name="cpu_sampler"/> </service>
<any-service> <parent/> </any-service>
</route>
</start>
</config>
}
build_boot_image { core ld.lib.so init timer cpu_sampler test-cpu_sampler }
append qemu_args "-nographic -m 128"
set match_string "Test started. func: 0x(\[0-9a-f\]+).*\n"
run_genode_until "$match_string" 10
regexp $match_string $output all func
run_genode_until "\\\[init -> cpu_sampler -> samples -> init -> test-cpu_sampler -> ep\\\.1] \[0\]*$func" 2 [output_spawn_id]