jdk8-mips64-public/hotspot: src/share/vm/utilities/ticks.cpp@b985cbb00e68 (annotated)

src/share/vm/utilities/ticks.cpp@b985cbb00e68 (annotated)

src/share/vm/utilities/ticks.cpp

Mon, 12 Aug 2019 18:30:40 +0300

author: apetushkov
date: Mon, 12 Aug 2019 18:30:40 +0300
changeset 9858: b985cbb00e68
parent 0: f90c822e73f8
child 9860: 6c8e5745df03
permissions: -rw-r--r--

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

 /*
  * Copyright (c) 2013, 2018, 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 "precompiled.hpp"
 #include "runtime/os.hpp"
 #include "utilities/ticks.hpp"
 #ifdef X86
 #include "rdtsc_x86.hpp"
 #endif
 template <typename TimeSource, const int unit>
 inline double conversion(typename TimeSource::Type& value) {
   return (double)value * ((double)unit / (double)TimeSource::frequency());
 }
 uint64_t ElapsedCounterSource::frequency() {
   static const uint64_t freq = (uint64_t)os::elapsed_frequency();
   return freq;
 }
 ElapsedCounterSource::Type ElapsedCounterSource::now() {
   return os::elapsed_counter();
 }
 double ElapsedCounterSource::seconds(Type value) {
   return conversion<ElapsedCounterSource, 1>(value);
 }
 uint64_t ElapsedCounterSource::milliseconds(Type value) {
   return (uint64_t)conversion<ElapsedCounterSource, MILLIUNITS>(value);
 }
 uint64_t ElapsedCounterSource::microseconds(Type value) {
   return (uint64_t)conversion<ElapsedCounterSource, MICROUNITS>(value);
 }
 uint64_t ElapsedCounterSource::nanoseconds(Type value) {
   return (uint64_t)conversion<ElapsedCounterSource, NANOUNITS>(value);
 }
 uint64_t FastUnorderedElapsedCounterSource::frequency() {
 #ifdef X86
   static bool valid_rdtsc = Rdtsc::initialize();
   if (valid_rdtsc) {
     static const uint64_t freq = (uint64_t)Rdtsc::frequency();
     return freq;
   }
 #endif
   static const uint64_t freq = (uint64_t)os::elapsed_frequency();
   return freq;
 }
 FastUnorderedElapsedCounterSource::Type FastUnorderedElapsedCounterSource::now() {
 #ifdef X86
   static bool valid_rdtsc = Rdtsc::initialize();
   if (valid_rdtsc) {
     return Rdtsc::elapsed_counter();
   }
 #endif
   return os::elapsed_counter();
 }
 double FastUnorderedElapsedCounterSource::seconds(Type value) {
   return conversion<FastUnorderedElapsedCounterSource, 1>(value);
 }
 uint64_t FastUnorderedElapsedCounterSource::milliseconds(Type value) {
   return (uint64_t)conversion<FastUnorderedElapsedCounterSource, MILLIUNITS>(value);
 }
 uint64_t FastUnorderedElapsedCounterSource::microseconds(Type value) {
   return (uint64_t)conversion<FastUnorderedElapsedCounterSource, MICROUNITS>(value);
 }
 uint64_t FastUnorderedElapsedCounterSource::nanoseconds(Type value) {
   return (uint64_t)conversion<FastUnorderedElapsedCounterSource, NANOUNITS>(value);
 }
 uint64_t CompositeElapsedCounterSource::frequency() {
   return ElapsedCounterSource::frequency();
 }
 CompositeElapsedCounterSource::Type CompositeElapsedCounterSource::now() {
   CompositeTime ct;
   ct.val1 = ElapsedCounterSource::now();
 #ifdef X86
   static bool initialized = false;
   static bool valid_rdtsc = false;
   if (!initialized) {
     valid_rdtsc = Rdtsc::initialize();
     initialized = true;
   }
   if (valid_rdtsc) {
     ct.val2 = Rdtsc::elapsed_counter();
   }
 #endif
   return ct;
 }
 double CompositeElapsedCounterSource::seconds(Type value) {
   return conversion<ElapsedCounterSource, 1>(value.val1);
 }
 uint64_t CompositeElapsedCounterSource::milliseconds(Type value) {
   return (uint64_t)conversion<ElapsedCounterSource, MILLIUNITS>(value.val1);
 }
 uint64_t CompositeElapsedCounterSource::microseconds(Type value) {
   return (uint64_t)conversion<ElapsedCounterSource, MICROUNITS>(value.val1);
 }
 uint64_t CompositeElapsedCounterSource::nanoseconds(Type value) {
   return (uint64_t)conversion<ElapsedCounterSource, NANOUNITS>(value.val1);
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/utilities/ticks.cpp@b985cbb00e68 (annotated)

src/share/vm/utilities/ticks.cpp