Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Thinking Intellekt

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/Sources/formale Sprachen/JAVA/openjdk-20-36_src/src/hotspot/os/linux/

Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: TestDescription.java Sprache: C

/*
* Copyright (c) 2017, 2022, 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.
*
*/

#include <string.h>
#include <math.h>
#include <errno.h>
#include "runtime/globals.hpp"
#include "runtime/os.hpp"
#include "logging/log.hpp"
#include "os_linux.hpp"
#include "osContainer_linux.hpp"
#include "cgroupSubsystem_linux.hpp"

bool  OSContainer::_is_initialized   = false;
bool  OSContainer::_is_containerized = false;
CgroupSubsystem* cgroup_subsystem;

/* init
*
* Initialize the container support and determine if
* we are running under cgroup control.
*/
void OSContainer::init() {
  assert(!_is_initialized, "Initializing OSContainer more than once");

  _is_initialized = true;
  _is_containerized = false;

  log_trace(os, container)("OSContainer::init: Initializing Container Support");
  if (!UseContainerSupport) {
    log_trace(os, container)("Container Support not enabled");
    return;
  }

  cgroup_subsystem = CgroupSubsystemFactory::create();
  if (cgroup_subsystem == NULL) {
    return; // Required subsystem files not found or other error
  }

  _is_containerized = true;
}

const char * OSContainer::container_type() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->container_type();
}

jlong OSContainer::memory_limit_in_bytes() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->memory_limit_in_bytes();
}

jlong OSContainer::memory_and_swap_limit_in_bytes() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->memory_and_swap_limit_in_bytes();
}

jlong OSContainer::memory_soft_limit_in_bytes() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->memory_soft_limit_in_bytes();
}

jlong OSContainer::memory_usage_in_bytes() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->memory_usage_in_bytes();
}

jlong OSContainer::memory_max_usage_in_bytes() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->memory_max_usage_in_bytes();
}

void OSContainer::print_version_specific_info(outputStream* st) {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  cgroup_subsystem->print_version_specific_info(st);
}

char * OSContainer::cpu_cpuset_cpus() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->cpu_cpuset_cpus();
}

char * OSContainer::cpu_cpuset_memory_nodes() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->cpu_cpuset_memory_nodes();
}

int OSContainer::active_processor_count() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->active_processor_count();
}

int OSContainer::cpu_quota() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->cpu_quota();
}

int OSContainer::cpu_period() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->cpu_period();
}

int OSContainer::cpu_shares() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->cpu_shares();
}

jlong OSContainer::pids_max() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->pids_max();
}

jlong OSContainer::pids_current() {
  assert(cgroup_subsystem != NULL, "cgroup subsystem not available");
  return cgroup_subsystem->pids_current();
}

void OSContainer::print_container_helper(outputStream* st, jlong j, const char* metrics) {
  st->print("%s: ", metrics);
  if (j > 0) {
    if (j >= 1024) {
      st->print_cr(UINT64_FORMAT " k", uint64_t(j) / K);
    } else {
      st->print_cr(UINT64_FORMAT, uint64_t(j));
    }
  } else {
    st->print_cr("%s", j == OSCONTAINER_ERROR ? "not supported" : "unlimited");
  }
}

¤ Dauer der Verarbeitung: 0.20 Sekunden (vorverarbeitet) ¤

Druckansicht unsichere Verbindung
Druckansicht sprechenden Kalenders
Eigene Datei ansehen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.