8303229: JFR: Preserve disk repository after exit
Reviewed-by: dholmes, mgronlun
This commit is contained in:
parent
ecec611af6
commit
336a23e70a
src
hotspot/share/jfr
java.base/share/man
jdk.jcmd/share/man
jdk.jfr/share/classes/jdk/jfr/internal
test/jdk/jdk/jfr
@ -367,14 +367,15 @@ GrowableArray<const char*>* JfrDCmd::argument_name_array() const {
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JfrConfigureFlightRecorderDCmd::JfrConfigureFlightRecorderDCmd(outputStream* output,
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bool heap) : DCmdWithParser(output, heap),
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_repository_path("repositorypath", "Path to repository,.e.g \\\"My Repository\\\"", "STRING", false, NULL),
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_dump_path("dumppath", "Path to dump,.e.g \\\"My Dump path\\\"", "STRING", false, NULL),
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_stack_depth("stackdepth", "Stack Depth", "JULONG", false, "64"),
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_dump_path("dumppath", "Path to dump, e.g. \\\"My Dump path\\\"", "STRING", false, NULL),
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_stack_depth("stackdepth", "Stack depth", "JULONG", false, "64"),
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_global_buffer_count("globalbuffercount", "Number of global buffers,", "JULONG", false, "20"),
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_global_buffer_size("globalbuffersize", "Size of a global buffers,", "MEMORY SIZE", false, "512k"),
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_thread_buffer_size("thread_buffer_size", "Size of a thread buffer", "MEMORY SIZE", false, "8k"),
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_memory_size("memorysize", "Overall memory size, ", "MEMORY SIZE", false, "10m"),
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_max_chunk_size("maxchunksize", "Size of an individual disk chunk", "MEMORY SIZE", false, "12m"),
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_sample_threads("samplethreads", "Activate Thread sampling", "BOOLEAN", false, "true"),
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_sample_threads("samplethreads", "Activate thread sampling", "BOOLEAN", false, "true"),
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_preserve_repository("preserve-repository", "Preserve the disk repository after JVM exit", "BOOLEAN", false, "false"),
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_verbose(true) {
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_dcmdparser.add_dcmd_option(&_repository_path);
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_dcmdparser.add_dcmd_option(&_dump_path);
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@ -385,6 +386,7 @@ JfrConfigureFlightRecorderDCmd::JfrConfigureFlightRecorderDCmd(outputStream* out
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_dcmdparser.add_dcmd_option(&_memory_size);
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_dcmdparser.add_dcmd_option(&_max_chunk_size);
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_dcmdparser.add_dcmd_option(&_sample_threads);
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_dcmdparser.add_dcmd_option(&_preserve_repository);
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};
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void JfrConfigureFlightRecorderDCmd::print_help(const char* name) const {
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@ -392,49 +394,52 @@ void JfrConfigureFlightRecorderDCmd::print_help(const char* name) const {
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// 0123456789001234567890012345678900123456789001234567890012345678900123456789001234567890
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out->print_cr("Options:");
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out->print_cr("");
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out->print_cr(" globalbuffercount (Optional) Number of global buffers. This option is a legacy");
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out->print_cr(" option: change the memorysize parameter to alter the number of");
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out->print_cr(" global buffers. This value cannot be changed once JFR has been");
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out->print_cr(" initialized. (STRING, default determined by the value for");
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out->print_cr(" memorysize)");
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out->print_cr(" globalbuffercount (Optional) Number of global buffers. This option is a legacy");
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out->print_cr(" option: change the memorysize parameter to alter the number of");
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out->print_cr(" global buffers. This value cannot be changed once JFR has been");
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out->print_cr(" initialized. (STRING, default determined by the value for");
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out->print_cr(" memorysize)");
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out->print_cr("");
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out->print_cr(" globalbuffersize (Optional) Size of the global buffers, in bytes. This option is a");
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out->print_cr(" legacy option: change the memorysize parameter to alter the size");
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out->print_cr(" of the global buffers. This value cannot be changed once JFR has");
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out->print_cr(" been initialized. (STRING, default determined by the value for");
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out->print_cr(" memorysize)");
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out->print_cr(" globalbuffersize (Optional) Size of the global buffers, in bytes. This option is a");
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out->print_cr(" legacy option: change the memorysize parameter to alter the size");
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out->print_cr(" of the global buffers. This value cannot be changed once JFR has");
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out->print_cr(" been initialized. (STRING, default determined by the value for");
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out->print_cr(" memorysize)");
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out->print_cr("");
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out->print_cr(" maxchunksize (Optional) Maximum size of an individual data chunk in bytes if");
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out->print_cr(" one of the following suffixes is not used: 'm' or 'M' for");
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out->print_cr(" megabytes OR 'g' or 'G' for gigabytes. This value cannot be");
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out->print_cr(" changed once JFR has been initialized. (STRING, 12M)");
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out->print_cr(" maxchunksize (Optional) Maximum size of an individual data chunk in bytes if");
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out->print_cr(" one of the following suffixes is not used: 'm' or 'M' for");
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out->print_cr(" megabytes OR 'g' or 'G' for gigabytes. This value cannot be");
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out->print_cr(" changed once JFR has been initialized. (STRING, 12M)");
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out->print_cr("");
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out->print_cr(" memorysize (Optional) Overall memory size, in bytes if one of the following");
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out->print_cr(" suffixes is not used: 'm' or 'M' for megabytes OR 'g' or 'G' for");
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out->print_cr(" gigabytes. This value cannot be changed once JFR has been");
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out->print_cr(" initialized. (STRING, 10M)");
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out->print_cr(" memorysize (Optional) Overall memory size, in bytes if one of the following");
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out->print_cr(" suffixes is not used: 'm' or 'M' for megabytes OR 'g' or 'G' for");
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out->print_cr(" gigabytes. This value cannot be changed once JFR has been");
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out->print_cr(" initialized. (STRING, 10M)");
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out->print_cr("");
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out->print_cr(" repositorypath (Optional) Path to the location where recordings are stored until");
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out->print_cr(" they are written to a permanent file. (STRING, The default");
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out->print_cr(" location is the temporary directory for the operating system. On");
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out->print_cr(" Linux operating systems, the temporary directory is /tmp. On");
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out->print_cr(" Windows, the temporary directory is specified by the TMP");
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out->print_cr(" environment variable)");
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out->print_cr(" repositorypath (Optional) Path to the location where recordings are stored until");
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out->print_cr(" they are written to a permanent file. (STRING, The default");
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out->print_cr(" location is the temporary directory for the operating system. On");
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out->print_cr(" Linux operating systems, the temporary directory is /tmp. On");
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out->print_cr(" Windows, the temporary directory is specified by the TMP");
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out->print_cr(" environment variable)");
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out->print_cr("");
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out->print_cr(" dumppath (Optional) Path to the location where a recording file is written");
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out->print_cr(" in case the VM runs into a critical error, such as a system");
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out->print_cr(" crash. (STRING, The default location is the current directory)");
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out->print_cr(" dumppath (Optional) Path to the location where a recording file is written");
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out->print_cr(" in case the VM runs into a critical error, such as a system");
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out->print_cr(" crash. (STRING, The default location is the current directory)");
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out->print_cr("");
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out->print_cr(" stackdepth (Optional) Stack depth for stack traces. Setting this value");
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out->print_cr(" greater than the default of 64 may cause a performance");
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out->print_cr(" degradation. This value cannot be changed once JFR has been");
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out->print_cr(" initialized. (LONG, 64)");
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out->print_cr(" stackdepth (Optional) Stack depth for stack traces. Setting this value");
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out->print_cr(" greater than the default of 64 may cause a performance");
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out->print_cr(" degradation. This value cannot be changed once JFR has been");
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out->print_cr(" initialized. (LONG, 64)");
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out->print_cr("");
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out->print_cr(" thread_buffer_size (Optional) Local buffer size for each thread in bytes if one of");
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out->print_cr(" the following suffixes is not used: 'k' or 'K' for kilobytes or");
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out->print_cr(" 'm' or 'M' for megabytes. Overriding this parameter could reduce");
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out->print_cr(" performance and is not recommended. This value cannot be changed");
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out->print_cr(" once JFR has been initialized. (STRING, 8k)");
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out->print_cr(" thread_buffer_size (Optional) Local buffer size for each thread in bytes if one of");
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out->print_cr(" the following suffixes is not used: 'k' or 'K' for kilobytes or");
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out->print_cr(" 'm' or 'M' for megabytes. Overriding this parameter could reduce");
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out->print_cr(" performance and is not recommended. This value cannot be changed");
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out->print_cr(" once JFR has been initialized. (STRING, 8k)");
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out->print_cr("");
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out->print_cr(" preserve-repository (Optional) Preserve files stored in the disk repository after the");
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out->print_cr(" Java Virtual Machine has exited. (BOOLEAN, false)");
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out->print_cr("");
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out->print_cr("Options must be specified using the <key> or <key>=<value> syntax.");
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out->print_cr("");
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@ -480,6 +485,7 @@ void JfrConfigureFlightRecorderDCmd::execute(DCmdSource source, TRAPS) {
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jobject thread_buffer_size = NULL;
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jobject max_chunk_size = NULL;
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jobject memory_size = NULL;
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jobject preserve_repository = nullptr;
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if (!JfrRecorder::is_created()) {
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if (_stack_depth.is_set()) {
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@ -510,12 +516,15 @@ void JfrConfigureFlightRecorderDCmd::execute(DCmdSource source, TRAPS) {
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}
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}
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}
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if (_preserve_repository.is_set()) {
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preserve_repository = JfrJavaSupport::new_java_lang_Boolean(_preserve_repository.value(), CHECK);
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}
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static const char klass[] = "jdk/jfr/internal/dcmd/DCmdConfigure";
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static const char method[] = "execute";
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static const char signature[] = "(ZLjava/lang/String;Ljava/lang/String;Ljava/lang/Integer;"
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"Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;Ljava/lang/Long;"
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"Ljava/lang/Long;)[Ljava/lang/String;";
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"Ljava/lang/Long;Ljava/lang/Boolean;)[Ljava/lang/String;";
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JfrJavaArguments execute_args(&result, klass, method, signature, CHECK);
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execute_args.set_receiver(h_dcmd_instance);
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@ -530,6 +539,7 @@ void JfrConfigureFlightRecorderDCmd::execute(DCmdSource source, TRAPS) {
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execute_args.push_jobject(thread_buffer_size);
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execute_args.push_jobject(memory_size);
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execute_args.push_jobject(max_chunk_size);
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execute_args.push_jobject(preserve_repository);
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JfrJavaSupport::call_virtual(&execute_args, THREAD);
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handle_dcmd_result(output(), result.get_oop(), source, THREAD);
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@ -157,6 +157,7 @@ class JfrConfigureFlightRecorderDCmd : public DCmdWithParser {
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DCmdArgument<MemorySizeArgument> _memory_size;
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DCmdArgument<MemorySizeArgument> _max_chunk_size;
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DCmdArgument<bool> _sample_threads;
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DCmdArgument<bool> _preserve_repository;
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bool _verbose;
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public:
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@ -177,7 +178,7 @@ class JfrConfigureFlightRecorderDCmd : public DCmdWithParser {
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JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL};
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return p;
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}
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static int num_arguments() { return 9; }
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static int num_arguments() { return 10; }
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virtual void execute(DCmdSource source, TRAPS);
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virtual void print_help(const char* name) const;
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};
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@ -165,6 +165,7 @@ const char* const default_sample_threads = "true";
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const char* const default_stack_depth = "64";
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const char* const default_retransform = "true";
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const char* const default_old_object_queue_size = "256";
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const char* const default_preserve_repository = "false";
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DEBUG_ONLY(const char* const default_sample_protection = "false";)
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// statics
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@ -254,6 +255,13 @@ static DCmdArgument<bool> _dcmd_retransform(
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true,
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default_retransform);
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static DCmdArgument<bool> _dcmd_preserve_repository(
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"preserve-repository",
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"Preserve disk repository after JVM exit",
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"BOOLEAN",
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false,
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default_preserve_repository);
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static DCmdParser _parser;
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static void register_parser_options() {
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@ -268,6 +276,7 @@ static void register_parser_options() {
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_parser.add_dcmd_option(&_dcmd_sample_threads);
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_parser.add_dcmd_option(&_dcmd_retransform);
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_parser.add_dcmd_option(&_dcmd_old_object_queue_size);
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_parser.add_dcmd_option(&_dcmd_preserve_repository);
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DEBUG_ONLY(_parser.add_dcmd_option(&_dcmd_sample_protection);)
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}
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@ -379,6 +388,9 @@ bool JfrOptionSet::configure(TRAPS) {
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configure._sample_threads.set_is_set(_dcmd_sample_threads.is_set());
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configure._sample_threads.set_value(_dcmd_sample_threads.value());
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configure._preserve_repository.set_is_set(_dcmd_preserve_repository.is_set());
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configure._preserve_repository.set_value(_dcmd_preserve_repository.value());
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configure.set_verbose(false);
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configure.execute(DCmd_Source_Internal, THREAD);
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@ -1337,6 +1337,12 @@ buffers.
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Maximum number of old objects to track.
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By default, the number of objects is set to 256.
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.TP
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\f[V]preserve-repository=\f[R]{\f[V]true\f[R]|\f[V]false\f[R]}
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Specifies whether files stored in the disk repository should be kept
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after the JVM has exited.
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If false, files are deleted.
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By default, this parameter is disabled.
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.TP
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\f[V]repository=\f[R]\f[I]path\f[R]
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Specifies the repository (a directory) for temporary disk storage.
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By default, the system\[aq]s temporary directory is used.
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@ -402,6 +402,12 @@ On Linux operating systems, the temporary directory is \f[V]/tmp\f[R].
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On Windwows, the temporary directory is specified by the \f[V]TMP\f[R]
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environment variable.)
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.IP \[bu] 2
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\f[V]preserve-repository=\f[R]{\f[V]true\f[R]|\f[V]false\f[R]} :
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Specifies whether files stored in the disk repository should be kept
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after the JVM has exited.
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If false, files are deleted.
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By default, this parameter is disabled.
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.IP \[bu] 2
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\f[V]stackdepth\f[R]: (Optional) Stack depth for stack traces.
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Setting this value greater than the default of 64 may cause a
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performance degradation.
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@ -52,6 +52,7 @@ public final class Options {
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private static final int DEFAULT_STACK_DEPTH = 64;
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private static final long DEFAULT_MAX_CHUNK_SIZE = 12 * 1024 * 1024;
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private static final SafePath DEFAULT_DUMP_PATH = null;
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private static final boolean DEFAULT_PRESERVE_REPOSITORY = false;
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private static long memorySize;
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private static long globalBufferSize;
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@ -59,6 +60,7 @@ public final class Options {
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private static long threadBufferSize;
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private static int stackDepth;
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private static long maxChunkSize;
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private static boolean preserveRepository;
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static {
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final long pageSize = Unsafe.getUnsafe().pageSize();
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@ -138,6 +140,14 @@ public final class Options {
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return stackDepth;
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}
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public static synchronized void setPreserveRepository(boolean preserve) {
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preserveRepository = preserve;
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}
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public static synchronized boolean getPreserveRepository() {
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return preserveRepository;
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}
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private static synchronized void reset() {
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setMaxChunkSize(DEFAULT_MAX_CHUNK_SIZE);
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setMemorySize(DEFAULT_MEMORY_SIZE);
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@ -150,6 +160,7 @@ public final class Options {
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}
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setStackDepth(DEFAULT_STACK_DEPTH);
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setThreadBufferSize(DEFAULT_THREAD_BUFFER_SIZE);
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setPreserveRepository(DEFAULT_PRESERVE_REPOSITORY);
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}
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static synchronized long getWaitInterval() {
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@ -160,6 +160,10 @@ public final class Repository {
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}
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synchronized void clear() {
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if (Options.getPreserveRepository()) {
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return;
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}
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for (SafePath p : cleanupDirectories) {
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try {
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SecuritySupport.clearDirectory(p);
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@ -51,9 +51,9 @@ final class DCmdConfigure extends AbstractDCmd {
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* @param globalBufferCount number of global buffers
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* @param globalBufferSize size of global buffers
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* @param threadBufferSize size of thread buffer for events
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* @param memorySize Size of in memory buffer
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* @param maxChunkSize threshold at which a new chunk is created in the disk repository
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* @param sampleThreads if thread sampling should be enabled
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*
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* @param preserveRepository if files in the repository should be deleted on exit.
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* @return result
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* @throws DCmdException
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@ -69,7 +69,8 @@ final class DCmdConfigure extends AbstractDCmd {
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Long globalBufferSize,
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Long threadBufferSize,
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Long memorySize,
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Long maxChunkSize
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Long maxChunkSize,
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Boolean preserveRepository
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) throws DCmdException {
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if (Logger.shouldLog(LogTag.JFR_DCMD, LogLevel.DEBUG)) {
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@ -80,7 +81,8 @@ final class DCmdConfigure extends AbstractDCmd {
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", globalbuffersize=" + globalBufferSize +
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", thread_buffer_size=" + threadBufferSize +
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", memorysize=" + memorySize +
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", maxchunksize=" + maxChunkSize);
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", maxchunksize=" + maxChunkSize +
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", preserveRepository=" + preserveRepository);
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}
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@ -103,6 +105,14 @@ final class DCmdConfigure extends AbstractDCmd {
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updated = true;
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}
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if (preserveRepository != null) {
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Options.setPreserveRepository(preserveRepository.booleanValue());
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if (verbose) {
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printPreserveRepository();
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}
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updated = true;
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}
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if (dumpPath != null) {
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try {
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Options.setDumpPath(new SafePath(dumpPath));
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@ -176,6 +186,7 @@ final class DCmdConfigure extends AbstractDCmd {
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if (!updated) {
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println("Current configuration:");
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println();
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printPreserveRepository();
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printRepositoryPath();
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printDumpPath();
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printStackDepth();
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@ -194,6 +205,10 @@ final class DCmdConfigure extends AbstractDCmd {
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println();
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}
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private void printPreserveRepository() {
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println("Preserve repository: " + Options.getPreserveRepository());
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}
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private void printDumpPath() {
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print("Dump path: ");
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printPath(Options.getDumpPath());
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68
test/jdk/jdk/jfr/jcmd/TestJcmdPreserveRepository.java
Normal file
68
test/jdk/jdk/jfr/jcmd/TestJcmdPreserveRepository.java
Normal file
@ -0,0 +1,68 @@
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/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
|
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*
|
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* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
package jdk.jfr.jcmd;
|
||||
|
||||
import java.io.File;
|
||||
import java.nio.file.Files;
|
||||
import java.nio.file.Path;
|
||||
import java.util.Optional;
|
||||
|
||||
import jdk.test.lib.jfr.FileHelper;
|
||||
import jdk.test.lib.process.OutputAnalyzer;
|
||||
import jdk.test.lib.process.ProcessTools;
|
||||
import jdk.test.lib.Utils;
|
||||
/**
|
||||
* @test
|
||||
* @summary Test verifies that files are left after preserve-repository has been set using jcmd JFR.configure
|
||||
* @key jfr
|
||||
* @requires vm.hasJFR
|
||||
* @library /test/lib /test/jdk
|
||||
* @run main/othervm jdk.jfr.jcmd.TestJcmdPreserveRepository
|
||||
*/
|
||||
public class TestJcmdPreserveRepository {
|
||||
|
||||
public static class TestProcess {
|
||||
public static void main(String... args) {
|
||||
OutputAnalyzer output = JcmdHelper.jcmd("JFR.configure", "preserve-repository=true");
|
||||
System.exit(output.getExitValue());
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) throws Throwable {
|
||||
Path path = Path.of("./preserved");
|
||||
String[] arguments = {
|
||||
"-XX:StartFlightRecording",
|
||||
"-XX:FlightRecorderOptions:repository=" + path,
|
||||
"-Dtest.jdk=" + System.getProperty("test.jdk"),
|
||||
TestProcess.class.getName()
|
||||
};
|
||||
OutputAnalyzer output = ProcessTools.executeTestJvm(arguments);
|
||||
output.shouldHaveExitValue(0);
|
||||
Optional<Path> p = Files.find(path, 99, (a,b) -> a.getFileName().toString().endsWith(".jfr")).findAny();
|
||||
if (p.isEmpty()) {
|
||||
throw new Exception("Could not find preserved files in repository");
|
||||
}
|
||||
}
|
||||
|
||||
}
|
57
test/jdk/jdk/jfr/startupargs/TestPreserveRepository.java
Normal file
57
test/jdk/jdk/jfr/startupargs/TestPreserveRepository.java
Normal file
@ -0,0 +1,57 @@
|
||||
/*
|
||||
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
package jdk.jfr.startupargs;
|
||||
|
||||
import java.nio.file.Files;
|
||||
import java.nio.file.Path;
|
||||
import java.util.Optional;
|
||||
|
||||
import jdk.test.lib.process.OutputAnalyzer;
|
||||
import jdk.test.lib.process.ProcessTools;
|
||||
/**
|
||||
* @test
|
||||
* @summary Tests that -XX:FlightRecorderOptions:preserve-repository works
|
||||
* @key jfr
|
||||
* @requires vm.hasJFR
|
||||
* @modules jdk.jfr
|
||||
* @library /test/lib
|
||||
* @run main/othervm jdk.jfr.startupargs.TestPreserveRepository
|
||||
*/
|
||||
public class TestPreserveRepository {
|
||||
|
||||
public static void main(String... args) throws Exception {
|
||||
Path path = Path.of("./preserved");
|
||||
String[] arguments = {
|
||||
"-XX:StartFlightRecording",
|
||||
"-XX:FlightRecorderOptions:repository=" + path + ",preserve-repository=true",
|
||||
"-version"
|
||||
};
|
||||
ProcessBuilder pb = ProcessTools.createTestJvm(arguments);
|
||||
OutputAnalyzer output = ProcessTools.executeProcess(pb);
|
||||
output.shouldHaveExitValue(0);
|
||||
Optional<Path> p = Files.find(path, 99, (a,b) -> a.getFileName().toString().endsWith(".jfr")).findAny();
|
||||
if (p.isEmpty()) {
|
||||
throw new Exception("Could not find preserved files in repository");
|
||||
}
|
||||
}
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user