openjdk-11/change-ActivePrcoessorCount-only-for-HBase.patch

diff --git a/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp b/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp
index faf109ab1..ab83d2a6b 100644
--- a/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp
+++ b/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp
@@ -121,7 +121,8 @@ public:
   static int get_initial_sve_vector_length()  { return _initial_sve_vector_length; };

   static bool is_hisi_enabled() {
-    if (_cpu == CPU_HISILICON && (_model == 0xd01 || _model == 0xd02 || _model == 0xd03)) {
+    if (_cpu == CPU_HISILICON && (_model == 0xd01 || _model == 0xd02 || _model == 0xd03 ||
+                           _model == 0xd22 || _model == 0xd45)) {
       return true;
     }
     return false;
diff --git a/make/hotspot/symbols/symbols-shared b/make/hotspot/symbols/symbols-shared
index 5d26d1028..d955c25f2 100644
--- a/make/hotspot/symbols/symbols-shared
+++ b/make/hotspot/symbols/symbols-shared
@@ -28,6 +28,7 @@ jio_snprintf
 jio_vfprintf
 jio_vsnprintf
 JNI_CreateJavaVM
+JNI_SetCParam
 JNI_GetCreatedJavaVMs
 JNI_GetDefaultJavaVMInitArgs
 JVM_FindClassFromBootLoader
diff --git a/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp b/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
index 9c2bdbbad..552267b0f 100644
--- a/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
@@ -413,3 +413,28 @@ void VM_Version::initialize() {

   UNSUPPORTED_OPTION(CriticalJNINatives);
 }
+
+int VM_Version::get_cpu_model() {
+  int cpu_lines = 0;
+  if (FILE *f = fopen("/proc/cpuinfo", "r")) {
+    char buf[128], *p;
+    while (fgets(buf, sizeof (buf), f) != NULL) {
+      if ((p = strchr(buf, ':')) != NULL) {
+        long v = strtol(p+1, NULL, 0);
+        if (strncmp(buf, "CPU implementer", sizeof "CPU implementer" - 1) == 0) {
+          _cpu = v;
+          cpu_lines++;
+        } else if (strncmp(buf, "CPU variant", sizeof "CPU variant" - 1) == 0) {
+          _variant = v;
+        } else if (strncmp(buf, "CPU part", sizeof "CPU part" - 1) == 0) {
+          if (_model != v)  _model2 = _model;
+          _model = v;
+        } else if (strncmp(buf, "CPU revision", sizeof "CPU revision" - 1) == 0) {
+          _revision = v;
+        }
+      }
+    }
+    fclose(f);
+  }
+  return cpu_lines;
+}
\ No newline at end of file
diff --git a/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp b/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp
index f03da8710..faf109ab1 100644
--- a/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp
+++ b/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp
@@ -112,6 +112,7 @@ public:
     CPU_DMB_ATOMICS  = (1 << 31),
   };

+  static int get_cpu_model();
   static int cpu_family()                     { return _cpu; }
   static int cpu_model()                      { return _model; }
   static int cpu_model2()                     { return _model2; }
diff --git a/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.cpp b/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.cpp
index 9084daeaa..0d7e03cd8 100644
--- a/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.cpp
+++ b/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.cpp
@@ -46,6 +46,35 @@ bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext,
   return pd_get_top_frame(fr_addr, ucontext, isInJava);
 }

+inline unsigned int stringHash(const char* str) {
+    unsigned int seed = 13;
+    unsigned int hash = 0;
+    while(*str) {
+        hash = hash * seed + (*str++);
+    }
+
+    return (hash & 0x7fffffff);
+}
+
+void JavaThread::os_linux_aarch64_options(int apc, char **name) {
+  if (name == NULL) {
+    return;
+  }
+  VM_Version::get_cpu_model();
+  if (VM_Version::is_hisi_enabled()) {
+    int i = 0;
+    int step = 0;
+    while (name[i] != NULL) {
+      if (stringHash(name[i]) == 1396789436) {
+        if (FLAG_IS_DEFAULT(ActiveProcessorCount) && (UseG1GC || UseParallelGC || UseZGC) && apc > 8)
+          FLAG_SET_DEFAULT(ActiveProcessorCount, 8);
+        break;
+      }
+      i++;
+    }
+  }
+}
+
 bool JavaThread::pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava) {
   assert(this->is_Java_thread(), "must be JavaThread");
   JavaThread* jt = (JavaThread *)this;
diff --git a/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.hpp b/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.hpp
index 985b664aa..521ac0dcc 100644
--- a/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.hpp
+++ b/src/hotspot/os_cpu/linux_aarch64/thread_linux_aarch64.hpp
@@ -55,6 +55,8 @@
   bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
     bool isInJava);

+  static void os_linux_aarch64_options(int apc, char **name);
+
   bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava);
 private:
   bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava);
diff --git a/src/hotspot/share/prims/jni.cpp b/src/hotspot/share/prims/jni.cpp
index 289283dca..0b2138d98 100644
--- a/src/hotspot/share/prims/jni.cpp
+++ b/src/hotspot/share/prims/jni.cpp
@@ -3951,6 +3951,11 @@ _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) {
 DT_RETURN_MARK_DECL(CreateJavaVM, jint
                     , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref));

+const char** argv_for_execvp;
+_JNI_IMPORT_OR_EXPORT_ void JNICALL JNI_SetCParam(char** raw_argv) {
+  argv_for_execvp = (const char**)raw_argv;
+}
+
 static jint JNI_CreateJavaVM_inner(JavaVM **vm, void **penv, void *args) {
   HOTSPOT_JNI_CREATEJAVAVM_ENTRY((void **) vm, penv, args);

diff --git a/src/hotspot/share/runtime/os.cpp b/src/hotspot/share/runtime/os.cpp
index 1c540bb62..214bb21f9 100644
--- a/src/hotspot/share/runtime/os.cpp
+++ b/src/hotspot/share/runtime/os.cpp
@@ -447,6 +447,11 @@ static void signal_thread_entry(JavaThread* thread, TRAPS) {
 }

 void os::init_before_ergo() {
+#ifdef AARCH64
+    // global variables
+    extern char** argv_for_execvp;
+    JavaThread::os_linux_aarch64_options(active_processor_count(), argv_for_execvp);
+#endif
   initialize_initial_active_processor_count();
   // We need to initialize large page support here because ergonomics takes some
   // decisions depending on large page support and the calculated large page size.
diff --git a/src/java.base/share/native/include/jni.h b/src/java.base/share/native/include/jni.h
index e15503f4d..4aaa75685 100644
--- a/src/java.base/share/native/include/jni.h
+++ b/src/java.base/share/native/include/jni.h
@@ -1948,6 +1948,9 @@ JNI_GetDefaultJavaVMInitArgs(void *args);
 _JNI_IMPORT_OR_EXPORT_ jint JNICALL
 JNI_CreateJavaVM(JavaVM **pvm, void **penv, void *args);

+_JNI_IMPORT_OR_EXPORT_ void JNICALL
+JNI_SetCParam(char** raw_argv);
+
 _JNI_IMPORT_OR_EXPORT_ jint JNICALL
 JNI_GetCreatedJavaVMs(JavaVM **, jsize, jsize *);

diff --git a/src/java.base/share/native/libjli/java.c b/src/java.base/share/native/libjli/java.c
index a38ddae63..120d8f33b 100644
--- a/src/java.base/share/native/libjli/java.c
+++ b/src/java.base/share/native/libjli/java.c
@@ -284,6 +284,7 @@ JLI_Launch(int argc, char ** argv,              /* main argc, argv */

     ifn.CreateJavaVM = 0;
     ifn.GetDefaultJavaVMInitArgs = 0;
+    ifn.raw_argv = argv;

     if (JLI_IsTraceLauncher()) {
         start = CounterGet();
@@ -1524,6 +1525,7 @@ InitializeJVM(JavaVM **pvm, JNIEnv **penv, InvocationFunctions *ifn)
                    i, args.options[i].optionString);
     }

+    ifn->SetCParam(ifn->raw_argv);
     r = ifn->CreateJavaVM(pvm, (void **)penv, &args);
     JLI_MemFree(options);
     return r == JNI_OK;
diff --git a/src/java.base/share/native/libjli/java.h b/src/java.base/share/native/libjli/java.h
index 45acece27..43ca5cf39 100644
--- a/src/java.base/share/native/libjli/java.h
+++ b/src/java.base/share/native/libjli/java.h
@@ -77,13 +77,16 @@
  * Pointers to the needed JNI invocation API, initialized by LoadJavaVM.
  */
 typedef jint (JNICALL *CreateJavaVM_t)(JavaVM **pvm, void **env, void *args);
+typedef void (JNICALL *SetCParam_t)(char** raw_argv);
 typedef jint (JNICALL *GetDefaultJavaVMInitArgs_t)(void *args);
 typedef jint (JNICALL *GetCreatedJavaVMs_t)(JavaVM **vmBuf, jsize bufLen, jsize *nVMs);

 typedef struct {
     CreateJavaVM_t CreateJavaVM;
+    SetCParam_t SetCParam;
     GetDefaultJavaVMInitArgs_t GetDefaultJavaVMInitArgs;
     GetCreatedJavaVMs_t GetCreatedJavaVMs;
+    char** raw_argv;
 } InvocationFunctions;

 JNIEXPORT int JNICALL
diff --git a/src/java.base/unix/native/libjli/java_md_solinux.c b/src/java.base/unix/native/libjli/java_md_solinux.c
index 160f91975..7526c0d9f 100644
--- a/src/java.base/unix/native/libjli/java_md_solinux.c
+++ b/src/java.base/unix/native/libjli/java_md_solinux.c
@@ -615,6 +615,13 @@ LoadJavaVM(const char *jvmpath, InvocationFunctions *ifn)
         return JNI_FALSE;
     }

+    ifn->SetCParam = (SetCParam_t)
+        dlsym(libjvm, "JNI_SetCParam");
+    if (ifn->SetCParam == NULL) {
+        JLI_ReportErrorMessage(DLL_ERROR2, jvmpath, dlerror());
+        return JNI_FALSE;
+    }
+
     ifn->GetDefaultJavaVMInitArgs = (GetDefaultJavaVMInitArgs_t)
         dlsym(libjvm, "JNI_GetDefaultJavaVMInitArgs");
     if (ifn->GetDefaultJavaVMInitArgs == NULL) {
--
2.21.0.windows.1