archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-25 05:45:11 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8005204: Code Cache Reduction: command line options implementation

Browse source 
Adding more detailed output on CodeCache usage

Reviewed-by: kvn, vladidan
This commit is contained in:
Alexander Harlap 2013-01-14 13:52:08 -05:00 • committed by Vladimir Danushevsky
parent 5613847626
commit 95cbed6639
6 changed files with 70 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

21
hotspot/src/share/vm/compiler/compileBroker.cpp
View file

@ -1714,6 +1714,20 @@ void CompileBroker::maybe_block() {
}
}
// wrapper for CodeCache::print_summary()
static void codecache_print(bool detailed)
{
ResourceMark rm;
stringStream s;
// Dump code cache into a buffer before locking the tty,
{
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
CodeCache::print_summary(&s, detailed);
}
ttyLocker ttyl;
tty->print_cr(s.as_string());
}
// ------------------------------------------------------------------
// CompileBroker::invoke_compiler_on_method
//
@ -1841,6 +1855,9 @@ void CompileBroker::invoke_compiler_on_method(CompileTask* task) {
tty->print_cr("size: %d time: %d inlined: %d bytes", code_size, (int)time.milliseconds(), task->num_inlined_bytecodes());
}
if (PrintCodeCacheOnCompilation)
codecache_print(/* detailed= */ false);
// Disable compilation, if required.
switch (compilable) {
case ciEnv::MethodCompilable_never:
@ -1885,6 +1902,7 @@ void CompileBroker::handle_full_code_cache() {
UseInterpreter = true;
if (UseCompiler || AlwaysCompileLoopMethods ) {
if (xtty != NULL) {
ResourceMark rm;
stringStream s;
// Dump code cache state into a buffer before locking the tty,
// because log_state() will use locks causing lock conflicts.
@ -1898,9 +1916,9 @@ void CompileBroker::handle_full_code_cache() {
}
warning("CodeCache is full. Compiler has been disabled.");
warning("Try increasing the code cache size using -XX:ReservedCodeCacheSize=");
CodeCache::print_bounds(tty);
#ifndef PRODUCT
if (CompileTheWorld || ExitOnFullCodeCache) {
codecache_print(/* detailed= */ true);
before_exit(JavaThread::current());
exit_globals(); // will delete tty
vm_direct_exit(CompileTheWorld ? 0 : 1);
@ -1913,6 +1931,7 @@ void CompileBroker::handle_full_code_cache() {
AlwaysCompileLoopMethods = false;
}
}
codecache_print(/* detailed= */ true);
}
// ------------------------------------------------------------------