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8313562: hsperfdata should export module path and "launcher" metadata

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Reviewed-by: dholmes, kevinw
This commit is contained in:
Larry Cable 2024-06-13 16:28:04 +00:00 committed by Kevin Walls
parent 9ed8629e5d
commit 814cf87930
2 changed files with 18 additions and 0 deletions
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17
src/hotspot/share/runtime/statSampler.cpp
View File

@ -228,6 +228,19 @@ void StatSampler::add_property_constant(CounterNS name_space, const char* name,
add_property_constant(name_space, name, Arguments::get_property(name), CHECK);
}
/*
* Adds a string constant of the given property. Retrieves the value via
* Arguments::get_property() and asserts the value for the does not differ from
* the value retrievable from System.getProperty()
*/
void StatSampler::add_optional_property_constant(CounterNS name_space, const char* name, TRAPS) {
const char* value = Arguments::get_property(name);
if (value != nullptr) {
add_property_constant(name_space, name, value, CHECK);
}
}
/*
* Method to create PerfStringConstants containing the values of various
* system properties. Constants are created from information known to HotSpot,
@ -260,6 +273,10 @@ void StatSampler::create_system_property_instrumentation(TRAPS) {
add_property_constant(JAVA_PROPERTY, "java.library.path", CHECK);
add_property_constant(JAVA_PROPERTY, "java.class.path", CHECK);
add_property_constant(JAVA_PROPERTY, "java.home", CHECK);
add_optional_property_constant(JAVA_PROPERTY, "jdk.module.path", CHECK);
add_optional_property_constant(JAVA_PROPERTY, "jdk.module.upgrade.path", CHECK);
add_optional_property_constant(JAVA_PROPERTY, "jdk.module.main", CHECK);
}
/*

1
src/hotspot/share/runtime/statSampler.hpp
View File

@ -53,6 +53,7 @@ class StatSampler : AllStatic {
static void sample_data(PerfDataList* list);
static void assert_system_property(const char* name, const char* value, TRAPS);
static void add_property_constant(CounterNS name_space, const char* name, TRAPS);
static void add_optional_property_constant(CounterNS name_space, const char* name, TRAPS);
static void add_property_constant(CounterNS name_space, const char* name, const char* value, TRAPS);
static void create_system_property_instrumentation(TRAPS);