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8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging

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TraceClassLoading,  TraceClassUnloading, and TraceClassLoaderData have been reimplemented using Unified logging.

Co-authored-by: Ioi Lam <ioi.lam@oracle.com>
Reviewed-by: iklam, coleenp, dholmes, jiangli, hseigel, rprotacio
This commit is contained in:
Max Ockner 2016-02-03 11:40:30 -05:00
parent 828a52c262
commit 9cab990401
22 changed files with 358 additions and 122 deletions
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18
hotspot/src/share/vm/runtime/arguments.cpp
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@ -402,10 +402,12 @@ static AliasedFlag const aliased_jvm_flags[] = {
};
static AliasedLoggingFlag const aliased_logging_flags[] = {
{ "TraceClassResolution", LogLevel::Info, true, LogTag::_classresolve },
{ "TraceExceptions", LogLevel::Info, true, LogTag::_exceptions },
{ "TraceMonitorInflation", LogLevel::Debug, true, LogTag::_monitorinflation },
{ NULL, LogLevel::Off, false, LogTag::__NO_TAG }
{ "TraceClassLoading", LogLevel::Info, true, LogTag::_classload },
{ "TraceClassUnloading", LogLevel::Info, true, LogTag::_classunload },
{ "TraceClassResolution", LogLevel::Info, true, LogTag::_classresolve },
{ "TraceExceptions", LogLevel::Info, true, LogTag::_exceptions },
{ "TraceMonitorInflation", LogLevel::Debug, true, LogTag::_monitorinflation },
{ NULL, LogLevel::Off, false, LogTag::__NO_TAG }
};
// Return true if "v" is less than "other", where "other" may be "undefined".
@ -2653,12 +2655,8 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
// -verbose:[class/gc/jni]
if (match_option(option, "-verbose", &tail)) {
if (!strcmp(tail, ":class") || !strcmp(tail, "")) {
if (FLAG_SET_CMDLINE(bool, TraceClassLoading, true) != Flag::SUCCESS) {
return JNI_EINVAL;
}
if (FLAG_SET_CMDLINE(bool, TraceClassUnloading, true) != Flag::SUCCESS) {
return JNI_EINVAL;
}
LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(classload));
LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(classunload));
} else if (!strcmp(tail, ":gc")) {
LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(gc));
} else if (!strcmp(tail, ":jni")) {