< prev index next > src/hotspot/share/classfile/classLoader.cpp
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#include "runtime/init.hpp"
#include "runtime/interfaceSupport.inline.hpp"
#include "runtime/java.hpp"
#include "runtime/javaCalls.hpp"
#include "runtime/os.hpp"
! #include "runtime/perfData.hpp"
#include "runtime/threadCritical.hpp"
#include "runtime/timer.hpp"
#include "runtime/vm_version.hpp"
#include "services/management.hpp"
#include "services/threadService.hpp"
#include "runtime/init.hpp"
#include "runtime/interfaceSupport.inline.hpp"
#include "runtime/java.hpp"
#include "runtime/javaCalls.hpp"
#include "runtime/os.hpp"
! #include "runtime/perfData.inline.hpp"
#include "runtime/threadCritical.hpp"
#include "runtime/timer.hpp"
#include "runtime/vm_version.hpp"
#include "services/management.hpp"
#include "services/threadService.hpp"
PerfCounter* ClassLoader::_perf_accumulated_time = nullptr;
PerfCounter* ClassLoader::_perf_classes_inited = nullptr;
PerfCounter* ClassLoader::_perf_class_init_time = nullptr;
PerfCounter* ClassLoader::_perf_class_init_selftime = nullptr;
+ PerfCounter* ClassLoader::_perf_class_init_bytecodes_count = nullptr;
PerfCounter* ClassLoader::_perf_classes_verified = nullptr;
PerfCounter* ClassLoader::_perf_class_verify_time = nullptr;
PerfCounter* ClassLoader::_perf_class_verify_selftime = nullptr;
PerfCounter* ClassLoader::_perf_classes_linked = nullptr;
PerfCounter* ClassLoader::_perf_class_link_time = nullptr;
PerfCounter* ClassLoader::_perf_define_appclasses = nullptr;
PerfCounter* ClassLoader::_perf_define_appclass_time = nullptr;
PerfCounter* ClassLoader::_perf_define_appclass_selftime = nullptr;
PerfCounter* ClassLoader::_perf_app_classfile_bytes_read = nullptr;
PerfCounter* ClassLoader::_perf_sys_classfile_bytes_read = nullptr;
PerfCounter* ClassLoader::_perf_ik_link_methods_time = nullptr;
PerfCounter* ClassLoader::_perf_method_adapters_time = nullptr;
PerfCounter* ClassLoader::_perf_ik_link_methods_count = nullptr;
PerfCounter* ClassLoader::_perf_method_adapters_count = nullptr;
PerfCounter* ClassLoader::_unsafe_defineClassCallCounter = nullptr;
PerfCounter* ClassLoader::_perf_secondary_hash_time = nullptr;
! PerfCounter* ClassLoader::_perf_resolve_indy_time = nullptr;
! PerfCounter* ClassLoader::_perf_resolve_invokehandle_time = nullptr;
! PerfCounter* ClassLoader::_perf_resolve_mh_time = nullptr;
! PerfCounter* ClassLoader::_perf_resolve_mt_time = nullptr;
PerfCounter* ClassLoader::_perf_resolve_indy_count = nullptr;
PerfCounter* ClassLoader::_perf_resolve_invokehandle_count = nullptr;
PerfCounter* ClassLoader::_perf_resolve_mh_count = nullptr;
PerfCounter* ClassLoader::_perf_resolve_mt_count = nullptr;
void ClassLoader::print_counters(outputStream *st) {
st->print_cr("ClassLoader:");
! st->print_cr(" clinit: " JLONG_FORMAT "ms / " JLONG_FORMAT " events", ClassLoader::class_init_time_ms(), ClassLoader::class_init_count());
! st->print_cr(" link methods: " JLONG_FORMAT "ms / " JLONG_FORMAT " events", Management::ticks_to_ms(_perf_ik_link_methods_time->get_value()) , _perf_ik_link_methods_count->get_value());
! st->print_cr(" method adapters: " JLONG_FORMAT "ms / " JLONG_FORMAT " events", Management::ticks_to_ms(_perf_method_adapters_time->get_value()) , _perf_method_adapters_count->get_value());
st->print_cr(" resolve...");
! st->print_cr(" invokedynamic: " JLONG_FORMAT "ms / " JLONG_FORMAT " events", Management::ticks_to_ms(_perf_resolve_indy_time->get_value()) , _perf_resolve_indy_count->get_value());
! st->print_cr(" invokehandle: " JLONG_FORMAT "ms / " JLONG_FORMAT " events", Management::ticks_to_ms(_perf_resolve_invokehandle_time->get_value()) , _perf_resolve_invokehandle_count->get_value());
! st->print_cr(" CP_MethodHandle: " JLONG_FORMAT "ms / " JLONG_FORMAT " events", Management::ticks_to_ms(_perf_resolve_mh_time->get_value()) , _perf_resolve_mh_count->get_value());
! st->print_cr(" CP_MethodType: " JLONG_FORMAT "ms / " JLONG_FORMAT " events", Management::ticks_to_ms(_perf_resolve_mt_time->get_value()) , _perf_resolve_mt_count->get_value());
! st->cr();
}
GrowableArray<ModuleClassPathList*>* ClassLoader::_patch_mod_entries = nullptr;
GrowableArray<ModuleClassPathList*>* ClassLoader::_exploded_entries = nullptr;
ClassPathEntry* ClassLoader::_jrt_entry = nullptr;
PerfCounter* ClassLoader::_perf_define_appclasses = nullptr;
PerfCounter* ClassLoader::_perf_define_appclass_time = nullptr;
PerfCounter* ClassLoader::_perf_define_appclass_selftime = nullptr;
PerfCounter* ClassLoader::_perf_app_classfile_bytes_read = nullptr;
PerfCounter* ClassLoader::_perf_sys_classfile_bytes_read = nullptr;
+ PerfCounter* ClassLoader::_perf_preload_total_time = nullptr;
+ PerfCounter* ClassLoader::_perf_preload_time = nullptr;
+ PerfCounter* ClassLoader::_perf_prelink_time = nullptr;
+ PerfCounter* ClassLoader::_perf_preinit_time = nullptr;
+ PerfCounter* ClassLoader::_perf_preresolve_time = nullptr;
PerfCounter* ClassLoader::_perf_ik_link_methods_time = nullptr;
PerfCounter* ClassLoader::_perf_method_adapters_time = nullptr;
PerfCounter* ClassLoader::_perf_ik_link_methods_count = nullptr;
PerfCounter* ClassLoader::_perf_method_adapters_count = nullptr;
PerfCounter* ClassLoader::_unsafe_defineClassCallCounter = nullptr;
PerfCounter* ClassLoader::_perf_secondary_hash_time = nullptr;
! PerfTickCounters* ClassLoader::_perf_resolve_indy_time = nullptr;
! PerfTickCounters* ClassLoader::_perf_resolve_invokehandle_time = nullptr;
! PerfTickCounters* ClassLoader::_perf_resolve_mh_time = nullptr;
! PerfTickCounters* ClassLoader::_perf_resolve_mt_time = nullptr;
PerfCounter* ClassLoader::_perf_resolve_indy_count = nullptr;
PerfCounter* ClassLoader::_perf_resolve_invokehandle_count = nullptr;
PerfCounter* ClassLoader::_perf_resolve_mh_count = nullptr;
PerfCounter* ClassLoader::_perf_resolve_mt_count = nullptr;
void ClassLoader::print_counters(outputStream *st) {
st->print_cr("ClassLoader:");
! st->print_cr( " clinit: " JLONG_FORMAT_W(6) "us / " JLONG_FORMAT " events",
! ClassLoader::class_init_time_ms(), ClassLoader::class_init_count());
! st->print_cr(" link methods: " JLONG_FORMAT_W(6) "us / " JLONG_FORMAT " events",
+ Management::ticks_to_us(_perf_ik_link_methods_time->get_value()) , _perf_ik_link_methods_count->get_value());
+ st->print_cr(" method adapters: " JLONG_FORMAT_W(6) "us / " JLONG_FORMAT " events",
+ Management::ticks_to_us(_perf_method_adapters_time->get_value()) , _perf_method_adapters_count->get_value());
+ if (CountBytecodes || CountBytecodesPerThread) {
+ st->print_cr("; executed " JLONG_FORMAT " bytecodes", ClassLoader::class_init_bytecodes_count());
+ }
st->print_cr(" resolve...");
! st->print_cr(" invokedynamic: " JLONG_FORMAT_W(6) "us (elapsed) " JLONG_FORMAT_W(6) "us (thread) / " JLONG_FORMAT_W(5) " events",
! _perf_resolve_indy_time->elapsed_counter_value_us(),
! _perf_resolve_indy_time->thread_counter_value_us(),
! _perf_resolve_indy_count->get_value());
! st->print_cr(" invokehandle: " JLONG_FORMAT_W(6) "us (elapsed) " JLONG_FORMAT_W(6) "us (thread) / " JLONG_FORMAT_W(5) " events",
+ _perf_resolve_invokehandle_time->elapsed_counter_value_us(),
+ _perf_resolve_invokehandle_time->thread_counter_value_us(),
+ _perf_resolve_invokehandle_count->get_value());
+ st->print_cr(" CP_MethodHandle: " JLONG_FORMAT_W(6) "us (elapsed) " JLONG_FORMAT_W(6) "us (thread) / " JLONG_FORMAT_W(5) " events",
+ _perf_resolve_mh_time->elapsed_counter_value_us(),
+ _perf_resolve_mh_time->thread_counter_value_us(),
+ _perf_resolve_mh_count->get_value());
+ st->print_cr(" CP_MethodType: " JLONG_FORMAT_W(6) "us (elapsed) " JLONG_FORMAT_W(6) "us (thread) / " JLONG_FORMAT_W(5) " events",
+ _perf_resolve_mt_time->elapsed_counter_value_us(),
+ _perf_resolve_mt_time->thread_counter_value_us(),
+ _perf_resolve_mt_count->get_value());
}
GrowableArray<ModuleClassPathList*>* ClassLoader::_patch_mod_entries = nullptr;
GrowableArray<ModuleClassPathList*>* ClassLoader::_exploded_entries = nullptr;
ClassPathEntry* ClassLoader::_jrt_entry = nullptr;
FREE_RESOURCE_ARRAY_IN_THREAD(current, char, path, path_len);
return nullptr;
}
ClassPathZipEntry::ClassPathZipEntry(jzfile* zip, const char* zip_name,
! bool is_boot_append, bool from_class_path_attr) : ClassPathEntry() {
_zip = zip;
_zip_name = copy_path(zip_name);
_from_class_path_attr = from_class_path_attr;
}
ClassPathZipEntry::~ClassPathZipEntry() {
ZipLibrary::close(_zip);
FREE_C_HEAP_ARRAY(char, _zip_name);
}
u1* ClassPathZipEntry::open_entry(JavaThread* current, const char* name, jint* filesize, bool nul_terminate) {
// enable call to C land
ThreadToNativeFromVM ttn(current);
// check whether zip archive contains name
jint name_len;
FREE_RESOURCE_ARRAY_IN_THREAD(current, char, path, path_len);
return nullptr;
}
ClassPathZipEntry::ClassPathZipEntry(jzfile* zip, const char* zip_name,
! bool from_class_path_attr) : ClassPathEntry() {
_zip = zip;
_zip_name = copy_path(zip_name);
_from_class_path_attr = from_class_path_attr;
}
ClassPathZipEntry::~ClassPathZipEntry() {
ZipLibrary::close(_zip);
FREE_C_HEAP_ARRAY(char, _zip_name);
}
+ bool ClassPathZipEntry::has_entry(JavaThread* current, const char* name) {
+ ThreadToNativeFromVM ttn(current);
+ // check whether zip archive contains name
+ jint name_len;
+ jint filesize;
+ jzentry* entry = ZipLibrary::find_entry(_zip, name, &filesize, &name_len);
+ if (entry == nullptr) {
+ return false;
+ } else {
+ ZipLibrary::free_entry(_zip, entry);
+ return true;
+ }
+ }
+
u1* ClassPathZipEntry::open_entry(JavaThread* current, const char* name, jint* filesize, bool nul_terminate) {
// enable call to C land
ThreadToNativeFromVM ttn(current);
// check whether zip archive contains name
jint name_len;
if (sizeof(size) == sizeof(uint32_t) && size == UINT_MAX) {
return nullptr; // 32-bit integer overflow will occur.
}
size++;
}
+
+ // ZIP_ReadEntry also frees zentry
buffer = NEW_RESOURCE_ARRAY(u1, size);
if (!ZipLibrary::read_entry(_zip, entry, buffer, filename)) {
return nullptr;
}
assert(CDSConfig::is_dumping_archive(), "sanity");
ResourceMark rm(current);
ClasspathStream cp_stream(class_path);
+ int exclusion_start_index = INT_MAX;
+ size_t limit = SIZE_MAX;
+ if (CacheOnlyClassesIn != nullptr) {
+ char* appclasspath = Arguments::get_appclasspath();
+ bool bad = false;
+ if (strstr(appclasspath, CacheOnlyClassesIn) != appclasspath) {
+ bad = true;
+ } else {
+ limit = strlen(CacheOnlyClassesIn);
+ if (limit > 0 && limit < strlen(appclasspath)
+ && CacheOnlyClassesIn[limit-1] != os::path_separator()[0]
+ && appclasspath[limit] != os::path_separator()[0]) {
+ bad = true;
+ }
+ }
+ if (bad) {
+ vm_exit_during_initialization(err_msg("CacheOnlyClassesIn \"%s\" must be a proper prefix of the CLASSPATH \"%s\"",
+ CacheOnlyClassesIn, appclasspath));
+ }
+ }
+
while (cp_stream.has_next()) {
+ if (cp_stream.num_chars_consumed() >= limit && exclusion_start_index == INT_MAX) {
+ exclusion_start_index = num_boot_classpath_entries() + num_app_classpath_entries();
+ }
const char* path = cp_stream.get_next();
update_class_path_entry_list(current, path, /* check_for_duplicates */ true,
/* is_boot_append */ false, /* from_class_path_attr */ false);
}
+
+ ClassLoaderExt::set_app_class_exclusion_start_path_index(exclusion_start_index);
+ if (exclusion_start_index != INT_MAX) {
+ log_info(cds)("Exclude all app classes whose shared_classpath_index is greater than %d", exclusion_start_index);
+ }
}
void ClassLoader::add_to_module_path_entries(const char* path,
ClassPathEntry* entry) {
assert(entry != nullptr, "ClassPathEntry should not be nullptr");
return nullptr;
}
char* error_msg = nullptr;
jzfile* zip = open_zip_file(canonical_path, &error_msg, current);
if (zip != nullptr && error_msg == nullptr) {
! new_entry = new ClassPathZipEntry(zip, path, is_boot_append, from_class_path_attr);
} else {
#if INCLUDE_CDS
ClassLoaderExt::set_has_non_jar_in_classpath();
#endif
return nullptr;
return nullptr;
}
char* error_msg = nullptr;
jzfile* zip = open_zip_file(canonical_path, &error_msg, current);
if (zip != nullptr && error_msg == nullptr) {
! new_entry = new ClassPathZipEntry(zip, path, from_class_path_attr);
} else {
#if INCLUDE_CDS
ClassLoaderExt::set_has_non_jar_in_classpath();
#endif
return nullptr;
}
// Create a class path zip entry for a given path (return null if not found
// or zip/JAR file cannot be opened)
! ClassPathZipEntry* ClassLoader::create_class_path_zip_entry(const char *path, bool is_boot_append) {
// check for a regular file
struct stat st;
if (os::stat(path, &st) == 0) {
if ((st.st_mode & S_IFMT) == S_IFREG) {
JavaThread* thread = JavaThread::current();
}
// Create a class path zip entry for a given path (return null if not found
// or zip/JAR file cannot be opened)
! ClassPathZipEntry* ClassLoader::create_class_path_zip_entry(const char *path) {
// check for a regular file
struct stat st;
if (os::stat(path, &st) == 0) {
if ((st.st_mode & S_IFMT) == S_IFREG) {
JavaThread* thread = JavaThread::current();
if (canonical_path != nullptr) {
char* error_msg = nullptr;
jzfile* zip = open_zip_file(canonical_path, &error_msg, thread);
if (zip != nullptr && error_msg == nullptr) {
// create using canonical path
! return new ClassPathZipEntry(zip, canonical_path, is_boot_append, false);
}
}
}
}
return nullptr;
if (canonical_path != nullptr) {
char* error_msg = nullptr;
jzfile* zip = open_zip_file(canonical_path, &error_msg, thread);
if (zip != nullptr && error_msg == nullptr) {
// create using canonical path
! return new ClassPathZipEntry(zip, canonical_path, false);
}
}
}
}
return nullptr;
NEWPERFTICKCOUNTER(_perf_class_link_time, SUN_CLS, "classLinkedTime");
NEWPERFTICKCOUNTER(_perf_class_link_selftime, SUN_CLS, "classLinkedTime.self");
NEWPERFEVENTCOUNTER(_perf_classes_inited, SUN_CLS, "initializedClasses");
NEWPERFEVENTCOUNTER(_perf_classes_linked, SUN_CLS, "linkedClasses");
NEWPERFEVENTCOUNTER(_perf_classes_verified, SUN_CLS, "verifiedClasses");
+ NEWPERFEVENTCOUNTER(_perf_class_init_bytecodes_count, SUN_CLS, "clinitBytecodesCount");
NEWPERFTICKCOUNTER(_perf_shared_classload_time, SUN_CLS, "sharedClassLoadTime");
NEWPERFTICKCOUNTER(_perf_sys_classload_time, SUN_CLS, "sysClassLoadTime");
NEWPERFTICKCOUNTER(_perf_app_classload_time, SUN_CLS, "appClassLoadTime");
NEWPERFTICKCOUNTER(_perf_app_classload_selftime, SUN_CLS, "appClassLoadTime.self");
NEWPERFBYTECOUNTER(_perf_app_classfile_bytes_read, SUN_CLS, "appClassBytes");
NEWPERFBYTECOUNTER(_perf_sys_classfile_bytes_read, SUN_CLS, "sysClassBytes");
NEWPERFEVENTCOUNTER(_unsafe_defineClassCallCounter, SUN_CLS, "unsafeDefineClassCalls");
NEWPERFTICKCOUNTER(_perf_secondary_hash_time, SUN_CLS, "secondarySuperHashTime");
! if (log_is_enabled(Info, perf, class, link)) {
NEWPERFTICKCOUNTER(_perf_ik_link_methods_time, SUN_CLS, "linkMethodsTime");
NEWPERFTICKCOUNTER(_perf_method_adapters_time, SUN_CLS, "makeAdaptersTime");
NEWPERFEVENTCOUNTER(_perf_ik_link_methods_count, SUN_CLS, "linkMethodsCount");
NEWPERFEVENTCOUNTER(_perf_method_adapters_count, SUN_CLS, "makeAdaptersCount");
! NEWPERFTICKCOUNTER(_perf_resolve_indy_time, SUN_CLS, "resolve_invokedynamic_time");
! NEWPERFTICKCOUNTER(_perf_resolve_invokehandle_time, SUN_CLS, "resolve_invokehandle_time");
! NEWPERFTICKCOUNTER(_perf_resolve_mh_time, SUN_CLS, "resolve_MethodHandle_time");
! NEWPERFTICKCOUNTER(_perf_resolve_mt_time, SUN_CLS, "resolve_MethodType_time");
NEWPERFEVENTCOUNTER(_perf_resolve_indy_count, SUN_CLS, "resolve_invokedynamic_count");
NEWPERFEVENTCOUNTER(_perf_resolve_invokehandle_count, SUN_CLS, "resolve_invokehandle_count");
NEWPERFEVENTCOUNTER(_perf_resolve_mh_count, SUN_CLS, "resolve_MethodHandle_count");
NEWPERFEVENTCOUNTER(_perf_resolve_mt_count, SUN_CLS, "resolve_MethodType_count");
NEWPERFBYTECOUNTER(_perf_app_classfile_bytes_read, SUN_CLS, "appClassBytes");
NEWPERFBYTECOUNTER(_perf_sys_classfile_bytes_read, SUN_CLS, "sysClassBytes");
NEWPERFEVENTCOUNTER(_unsafe_defineClassCallCounter, SUN_CLS, "unsafeDefineClassCalls");
NEWPERFTICKCOUNTER(_perf_secondary_hash_time, SUN_CLS, "secondarySuperHashTime");
! if (log_is_enabled(Info, perf, class, link) || log_is_enabled(Info, init)) {
+ NEWPERFTICKCOUNTER(_perf_preload_total_time, SUN_CLS, "preloadTotalTime");
+ NEWPERFTICKCOUNTER(_perf_preload_time, SUN_CLS, "preloadTime");
+ NEWPERFTICKCOUNTER(_perf_prelink_time, SUN_CLS, "prelinkTime");
+ NEWPERFTICKCOUNTER(_perf_preinit_time, SUN_CLS, "preinitTime");
+ NEWPERFTICKCOUNTER(_perf_preresolve_time, SUN_CLS, "preresolveTime");
+
NEWPERFTICKCOUNTER(_perf_ik_link_methods_time, SUN_CLS, "linkMethodsTime");
NEWPERFTICKCOUNTER(_perf_method_adapters_time, SUN_CLS, "makeAdaptersTime");
NEWPERFEVENTCOUNTER(_perf_ik_link_methods_count, SUN_CLS, "linkMethodsCount");
NEWPERFEVENTCOUNTER(_perf_method_adapters_count, SUN_CLS, "makeAdaptersCount");
! NEWPERFTICKCOUNTERS(_perf_resolve_indy_time, SUN_CLS, "resolve_invokedynamic_time");
! NEWPERFTICKCOUNTERS(_perf_resolve_invokehandle_time, SUN_CLS, "resolve_invokehandle_time");
! NEWPERFTICKCOUNTERS(_perf_resolve_mh_time, SUN_CLS, "resolve_MethodHandle_time");
! NEWPERFTICKCOUNTERS(_perf_resolve_mt_time, SUN_CLS, "resolve_MethodType_time");
NEWPERFEVENTCOUNTER(_perf_resolve_indy_count, SUN_CLS, "resolve_invokedynamic_count");
NEWPERFEVENTCOUNTER(_perf_resolve_invokehandle_count, SUN_CLS, "resolve_invokehandle_count");
NEWPERFEVENTCOUNTER(_perf_resolve_mh_count, SUN_CLS, "resolve_MethodHandle_count");
NEWPERFEVENTCOUNTER(_perf_resolve_mt_count, SUN_CLS, "resolve_MethodType_count");
jlong ClassLoader::classloader_time_ms() {
return UsePerfData ?
Management::ticks_to_ms(_perf_accumulated_time->get_value()) : -1;
}
+ jlong ClassLoader::class_init_bytecodes_count() {
+ return UsePerfData ? _perf_class_init_bytecodes_count->get_value() : -1;
+ }
+
jlong ClassLoader::class_init_count() {
return UsePerfData ? _perf_classes_inited->get_value() : -1;
}
jlong ClassLoader::class_init_time_ms() {
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