src/share/vm/runtime/arguments.cpp

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rev 4616 : Fixes fill up of code cache: added command line parameter which defines a
threshold (percentage of used code cache) at which the threshold for
C1 recompilation is increased.


2500       // Internally track ThreadStackSize in units of 1024 bytes.
2501       FLAG_SET_CMDLINE(intx, ThreadStackSize,
2502                               round_to((int)long_ThreadStackSize, K) / K);
2503     // -Xoss
2504     } else if (match_option(option, "-Xoss", &tail)) {
2505           // HotSpot does not have separate native and Java stacks, ignore silently for compatibility
2506     // -Xmaxjitcodesize
2507     } else if (match_option(option, "-Xmaxjitcodesize", &tail) ||
2508                match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) {
2509       julong long_ReservedCodeCacheSize = 0;
2510       ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize,
2511                                             (size_t)InitialCodeCacheSize);
2512       if (errcode != arg_in_range) {
2513         jio_fprintf(defaultStream::error_stream(),
2514                     "Invalid maximum code cache size: %s. Should be greater than InitialCodeCacheSize=%dK\n",
2515                     option->optionString, InitialCodeCacheSize/K);
2516         describe_range_error(errcode);
2517         return JNI_EINVAL;
2518       }
2519       FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize);










2520     // -green
2521     } else if (match_option(option, "-green", &tail)) {
2522       jio_fprintf(defaultStream::error_stream(),
2523                   "Green threads support not available\n");
2524           return JNI_EINVAL;
2525     // -native
2526     } else if (match_option(option, "-native", &tail)) {
2527           // HotSpot always uses native threads, ignore silently for compatibility
2528     // -Xsqnopause
2529     } else if (match_option(option, "-Xsqnopause", &tail)) {
2530           // EVM option, ignore silently for compatibility
2531     // -Xrs
2532     } else if (match_option(option, "-Xrs", &tail)) {
2533           // Classic/EVM option, new functionality
2534       FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true);
2535     } else if (match_option(option, "-Xusealtsigs", &tail)) {
2536           // change default internal VM signals used - lower case for back compat
2537       FLAG_SET_CMDLINE(bool, UseAltSigs, true);
2538     // -Xoptimize
2539     } else if (match_option(option, "-Xoptimize", &tail)) {




2500       // Internally track ThreadStackSize in units of 1024 bytes.
2501       FLAG_SET_CMDLINE(intx, ThreadStackSize,
2502                               round_to((int)long_ThreadStackSize, K) / K);
2503     // -Xoss
2504     } else if (match_option(option, "-Xoss", &tail)) {
2505           // HotSpot does not have separate native and Java stacks, ignore silently for compatibility
2506     // -Xmaxjitcodesize
2507     } else if (match_option(option, "-Xmaxjitcodesize", &tail) ||
2508                match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) {
2509       julong long_ReservedCodeCacheSize = 0;
2510       ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize,
2511                                             (size_t)InitialCodeCacheSize);
2512       if (errcode != arg_in_range) {
2513         jio_fprintf(defaultStream::error_stream(),
2514                     "Invalid maximum code cache size: %s. Should be greater than InitialCodeCacheSize=%dK\n",
2515                     option->optionString, InitialCodeCacheSize/K);
2516         describe_range_error(errcode);
2517         return JNI_EINVAL;
2518       }
2519       FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize);
2520       //-XX:IncreaseFirstTierCompileThresholdAt=
2521       } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) {
2522         uintx uint_IncreaseFirstTierCompileThresholdAt = 0;
2523         if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) {
2524           jio_fprintf(defaultStream::error_stream(),
2525                       "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n",
2526                       option->optionString);
2527           return JNI_EINVAL;
2528         }
2529         FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt);
2530     // -green
2531     } else if (match_option(option, "-green", &tail)) {
2532       jio_fprintf(defaultStream::error_stream(),
2533                   "Green threads support not available\n");
2534           return JNI_EINVAL;
2535     // -native
2536     } else if (match_option(option, "-native", &tail)) {
2537           // HotSpot always uses native threads, ignore silently for compatibility
2538     // -Xsqnopause
2539     } else if (match_option(option, "-Xsqnopause", &tail)) {
2540           // EVM option, ignore silently for compatibility
2541     // -Xrs
2542     } else if (match_option(option, "-Xrs", &tail)) {
2543           // Classic/EVM option, new functionality
2544       FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true);
2545     } else if (match_option(option, "-Xusealtsigs", &tail)) {
2546           // change default internal VM signals used - lower case for back compat
2547       FLAG_SET_CMDLINE(bool, UseAltSigs, true);
2548     // -Xoptimize
2549     } else if (match_option(option, "-Xoptimize", &tail)) {