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test-trace: test destruction of trace subjects

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If the trace subjects are not properly destructed when the TRACE client
disappears, enabled sources will be owned by a non-existing client.
In other words, when a TRACE client disappears all sources owned by the
client must be disabled.

genodelabs/genode#4247
This commit is contained in:
Johannes Schlatow 2021-08-12 16:00:29 +02:00 committed by Christian Helmuth
parent 9898341d4a
commit 81d939f947
3 changed files with 38 additions and 7 deletions
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1
repos/os/recipes/pkg/test-trace/archives
View File

@ -1,3 +1,4 @@
_/src/init
_/src/top
_/src/test-trace
_/src/sequence

30
repos/os/recipes/pkg/test-trace/runtime
View File

@ -4,7 +4,7 @@
<events>
<timeout meaning="failed" sec="30" />
<log meaning="succeeded">child "test-trace" exited with exit value 0</log>
<log meaning="succeeded">child "sequence" exited with exit value 0</log>
<log meaning="failed">Error: </log>
</events>
@ -12,6 +12,7 @@
<rom label="ld.lib.so"/>
<rom label="top"/>
<rom label="test-trace"/>
<rom label="sequence"/>
<rom label="null"/>
</content>
@ -31,11 +32,30 @@
<default-route>
<any-service> <parent/> <any-child/> </any-service>
</default-route>
<default caps="100"/>
<start name="test-trace">
<resource name="RAM" quantum="10M"/>
<default caps="200"/>
<start name="sequence">
<resource name="RAM" quantum="15M"/>
<config>
<trace_policy label="init -> dynamic -> test-trace -> test-trace" module="null" />
<start name="test-trace">
<resource name="RAM" quantum="10M"/>
<config>
<trace_policy label="init -> dynamic -> test-trace -> sequence -> test-trace" thread="test-thread" module="null" />
</config>
</start>
<start name="test-trace">
<resource name="RAM" quantum="10M"/>
<config>
<trace_policy label="init -> dynamic -> test-trace -> top" thread="ep" module="null" />
</config>
</start>
<start name="test-trace">
<resource name="RAM" quantum="10M"/>
<config>
<trace_policy label="init -> dynamic -> test-trace -> top" thread="ep" module="null" />
</config>
</start>
</config>
</start>
<start name="top">

14
repos/os/src/test/trace/main.cc
View File

@ -196,6 +196,7 @@ struct Test_tracing
typedef Genode::String<64> String;
String policy_label { };
String policy_module { };
String policy_thread { };
Rom_dataspace_capability policy_module_rom_ds { };
@ -232,6 +233,7 @@ struct Test_tracing
Xml_node policy = config.xml().sub_node("trace_policy");
policy.attribute("label").value(policy_label);
policy.attribute("module").value(policy_module);
policy.attribute("thread").value(policy_thread);
Rom_connection policy_rom(env, policy_module.string());
policy_module_rom_ds = policy_rom.dataspace();
@ -281,12 +283,20 @@ struct Test_tracing
for_each_subject(subjects, num_subjects, print_info);
auto check_untraced = [this] (Trace::Subject_id id, Trace::Subject_info info) {
if (info.state() != Trace::Subject_info::UNTRACED)
error("Subject ", id.id, " is not UNTRACED");
};
for_each_subject(subjects, num_subjects, check_untraced);
/* enable tracing for test-thread */
auto enable_tracing = [this, &env] (Trace::Subject_id id,
Trace::Subject_info info) {
if ( info.session_label() != policy_label
|| info.thread_name() != "test-thread") {
|| info.thread_name() != policy_thread) {
return;
}
@ -320,7 +330,7 @@ struct Test_tracing
log("passed Tracing test");
}
else
error("Thread '", thread_name, "' not found for session ", policy_label);
error("Thread '", policy_thread, "' not found for session ", policy_label);
}
};