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src/hotspot/share/jfr/periodic/jfrOSInterface.cpp

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   1 /*
   2  * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 248   return instance()._impl->cpu_load_total_process(cpu_load);
 249 }
 250 
 251 int JfrOSInterface::cpu_loads_process(double* jvm_user_load, double* jvm_kernel_load, double* system_total_load){
 252   return instance()._impl->cpu_loads_process(jvm_user_load, jvm_kernel_load, system_total_load);
 253 }
 254 
 255 int JfrOSInterface::os_version(char** os_version) {
 256   return instance()._impl->os_version(os_version);
 257 }
 258 
 259 const char* JfrOSInterface::virtualization_name() {
 260   VirtualizationType vrt = VM_Version::get_detected_virtualization();
 261   if (vrt == XenHVM) {
 262     return "Xen hardware-assisted virtualization";
 263   } else if (vrt == KVM) {
 264     return "KVM virtualization";
 265   } else if (vrt == VMWare) {
 266     return "VMWare virtualization";
 267   } else if (vrt == HyperV) {
 268     return "HyperV virtualization";


 269   } else if (vrt == PowerVM) {
 270     return "PowerVM virtualization";
 271   } else if (vrt == PowerKVM) {
 272     return "Power KVM virtualization";
 273   } else if (vrt == PowerFullPartitionMode) {
 274     return "Power full partition";
 275   }
 276 
 277   return "No virtualization detected";
 278 }
 279 
 280 int JfrOSInterface::generate_initial_environment_variable_events() {
 281   if (environ == NULL) {
 282     return OS_ERR;
 283   }
 284 
 285   if (EventInitialEnvironmentVariable::is_enabled()) {
 286     // One time stamp for all events, so they can be grouped together
 287     JfrTicks time_stamp = JfrTicks::now();
 288     for (char** p = environ; *p != NULL; p++) {


   1 /*
   2  * Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 248   return instance()._impl->cpu_load_total_process(cpu_load);
 249 }
 250 
 251 int JfrOSInterface::cpu_loads_process(double* jvm_user_load, double* jvm_kernel_load, double* system_total_load){
 252   return instance()._impl->cpu_loads_process(jvm_user_load, jvm_kernel_load, system_total_load);
 253 }
 254 
 255 int JfrOSInterface::os_version(char** os_version) {
 256   return instance()._impl->os_version(os_version);
 257 }
 258 
 259 const char* JfrOSInterface::virtualization_name() {
 260   VirtualizationType vrt = VM_Version::get_detected_virtualization();
 261   if (vrt == XenHVM) {
 262     return "Xen hardware-assisted virtualization";
 263   } else if (vrt == KVM) {
 264     return "KVM virtualization";
 265   } else if (vrt == VMWare) {
 266     return "VMWare virtualization";
 267   } else if (vrt == HyperV) {
 268     return "Hyper-V virtualization";
 269   } else if (vrt == HyperVRole) {
 270     return "Hyper-V role";
 271   } else if (vrt == PowerVM) {
 272     return "PowerVM virtualization";
 273   } else if (vrt == PowerKVM) {
 274     return "Power KVM virtualization";
 275   } else if (vrt == PowerFullPartitionMode) {
 276     return "Power full partition";
 277   }
 278 
 279   return "No virtualization detected";
 280 }
 281 
 282 int JfrOSInterface::generate_initial_environment_variable_events() {
 283   if (environ == NULL) {
 284     return OS_ERR;
 285   }
 286 
 287   if (EventInitialEnvironmentVariable::is_enabled()) {
 288     // One time stamp for all events, so they can be grouped together
 289     JfrTicks time_stamp = JfrTicks::now();
 290     for (char** p = environ; *p != NULL; p++) {


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