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comparison src/share/vm/runtime/sharedRuntime.cpp @ 1202:5f24d0319e54

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4360113: Evict nmethods when code cache gets full Summary: Speculatively unload the oldest nmethods when code cache gets full. Reviewed-by: never, kvn Contributed-by: eric.caspole@amd.com
author kvn
date Fri, 29 Jan 2010 09:27:22 -0800
parents 24128c2ffa87
children 18a389214829
comparison
equal deleted inserted replaced
1201:24128c2ffa87 1202:5f24d0319e54
2144 } 2144 }
2145 if (B == NULL) { 2145 if (B == NULL) {
2146 // CodeCache is full, disable compilation 2146 // CodeCache is full, disable compilation
2147 // Ought to log this but compile log is only per compile thread 2147 // Ought to log this but compile log is only per compile thread
2148 // and we're some non descript Java thread. 2148 // and we're some non descript Java thread.
2149 UseInterpreter = true; 2149 MutexUnlocker mu(AdapterHandlerLibrary_lock);
2150 if (UseCompiler || AlwaysCompileLoopMethods ) { 2150 CompileBroker::handle_full_code_cache();
2151 #ifndef PRODUCT
2152 warning("CodeCache is full. Compiler has been disabled");
2153 if (CompileTheWorld || ExitOnFullCodeCache) {
2154 before_exit(JavaThread::current());
2155 exit_globals(); // will delete tty
2156 vm_direct_exit(CompileTheWorld ? 0 : 1);
2157 }
2158 #endif
2159 UseCompiler = false;
2160 AlwaysCompileLoopMethods = false;
2161 }
2162 return NULL; // Out of CodeCache space 2151 return NULL; // Out of CodeCache space
2163 } 2152 }
2164 entry->relocate(B->instructions_begin()); 2153 entry->relocate(B->instructions_begin());
2165 #ifndef PRODUCT 2154 #ifndef PRODUCT
2166 // debugging suppport 2155 // debugging suppport
2280 nm->post_compiled_method_load_event(); 2269 nm->post_compiled_method_load_event();
2281 } else { 2270 } else {
2282 // CodeCache is full, disable compilation 2271 // CodeCache is full, disable compilation
2283 // Ought to log this but compile log is only per compile thread 2272 // Ought to log this but compile log is only per compile thread
2284 // and we're some non descript Java thread. 2273 // and we're some non descript Java thread.
2285 UseInterpreter = true; 2274 MutexUnlocker mu(AdapterHandlerLibrary_lock);
2286 if (UseCompiler || AlwaysCompileLoopMethods ) { 2275 CompileBroker::handle_full_code_cache();
2287 #ifndef PRODUCT
2288 warning("CodeCache is full. Compiler has been disabled");
2289 if (CompileTheWorld || ExitOnFullCodeCache) {
2290 before_exit(JavaThread::current());
2291 exit_globals(); // will delete tty
2292 vm_direct_exit(CompileTheWorld ? 0 : 1);
2293 }
2294 #endif
2295 UseCompiler = false;
2296 AlwaysCompileLoopMethods = false;
2297 }
2298 } 2276 }
2299 return nm; 2277 return nm;
2300 } 2278 }
2301 2279
2302 #ifdef HAVE_DTRACE_H 2280 #ifdef HAVE_DTRACE_H