8005885: enhance PrintCodeCache to print more data
Reviewed-by: xliu, phh
This commit is contained in:
Yi-Fan Tsai
Paul Hohensee
parent
23995f822e
commit
b6843a1624
@ -101,22 +101,37 @@ class CodeBlob_sizes {
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scopes_pcs_size = 0;
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}
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int total() { return total_size; }
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bool is_empty() { return count == 0; }
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int total() const { return total_size; }
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bool is_empty() const { return count == 0; }
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void print(const char* title) {
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tty->print_cr(" #%d %s = %dK (hdr %d%%, loc %d%%, code %d%%, stub %d%%, [oops %d%%, metadata %d%%, data %d%%, pcs %d%%])",
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count,
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title,
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(int)(total() / K),
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header_size * 100 / total_size,
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relocation_size * 100 / total_size,
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code_size * 100 / total_size,
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stub_size * 100 / total_size,
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scopes_oop_size * 100 / total_size,
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scopes_metadata_size * 100 / total_size,
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scopes_data_size * 100 / total_size,
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scopes_pcs_size * 100 / total_size);
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void print(const char* title) const {
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if (is_empty()) {
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tty->print_cr(" #%d %s = %dK",
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count,
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title,
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total() / (int)K);
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} else {
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tty->print_cr(" #%d %s = %dK (hdr %dK %d%%, loc %dK %d%%, code %dK %d%%, stub %dK %d%%, [oops %dK %d%%, metadata %dK %d%%, data %dK %d%%, pcs %dK %d%%])",
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count,
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title,
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total() / (int)K,
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header_size / (int)K,
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header_size * 100 / total_size,
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relocation_size / (int)K,
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relocation_size * 100 / total_size,
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code_size / (int)K,
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code_size * 100 / total_size,
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stub_size / (int)K,
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stub_size * 100 / total_size,
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scopes_oop_size / (int)K,
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scopes_oop_size * 100 / total_size,
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scopes_metadata_size / (int)K,
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scopes_metadata_size * 100 / total_size,
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scopes_data_size / (int)K,
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scopes_data_size * 100 / total_size,
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scopes_pcs_size / (int)K,
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scopes_pcs_size * 100 / total_size);
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}
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}
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void add(CodeBlob* cb) {
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@ -1427,27 +1442,73 @@ void CodeCache::print() {
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#ifndef PRODUCT
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if (!Verbose) return;
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CodeBlob_sizes live;
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CodeBlob_sizes dead;
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CodeBlob_sizes live[CompLevel_full_optimization + 1];
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CodeBlob_sizes dead[CompLevel_full_optimization + 1];
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CodeBlob_sizes runtimeStub;
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CodeBlob_sizes uncommonTrapStub;
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CodeBlob_sizes deoptimizationStub;
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CodeBlob_sizes adapter;
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CodeBlob_sizes bufferBlob;
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CodeBlob_sizes other;
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FOR_ALL_ALLOCABLE_HEAPS(heap) {
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FOR_ALL_BLOBS(cb, *heap) {
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if (!cb->is_alive()) {
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dead.add(cb);
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if (cb->is_nmethod()) {
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const int level = cb->as_nmethod()->comp_level();
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assert(0 <= level && level <= CompLevel_full_optimization, "Invalid compilation level");
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if (!cb->is_alive()) {
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dead[level].add(cb);
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} else {
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live[level].add(cb);
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}
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} else if (cb->is_runtime_stub()) {
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runtimeStub.add(cb);
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} else if (cb->is_deoptimization_stub()) {
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deoptimizationStub.add(cb);
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} else if (cb->is_uncommon_trap_stub()) {
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uncommonTrapStub.add(cb);
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} else if (cb->is_adapter_blob()) {
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adapter.add(cb);
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} else if (cb->is_buffer_blob()) {
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bufferBlob.add(cb);
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} else {
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live.add(cb);
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other.add(cb);
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}
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}
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}
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tty->print_cr("CodeCache:");
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tty->print_cr("nmethod dependency checking time %fs", dependentCheckTime.seconds());
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if (!live.is_empty()) {
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live.print("live");
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tty->print_cr("nmethod blobs per compilation level:");
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for (int i = 0; i <= CompLevel_full_optimization; i++) {
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const char *level_name;
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switch (i) {
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case CompLevel_none: level_name = "none"; break;
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case CompLevel_simple: level_name = "simple"; break;
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case CompLevel_limited_profile: level_name = "limited profile"; break;
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case CompLevel_full_profile: level_name = "full profile"; break;
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case CompLevel_full_optimization: level_name = "full optimization"; break;
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default: assert(false, "invalid compilation level");
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}
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tty->print_cr("%s:", level_name);
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live[i].print("live");
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dead[i].print("dead");
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}
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if (!dead.is_empty()) {
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dead.print("dead");
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struct {
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const char* name;
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const CodeBlob_sizes* sizes;
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} non_nmethod_blobs[] = {
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{ "runtime", &runtimeStub },
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{ "uncommon trap", &uncommonTrapStub },
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{ "deoptimization", &deoptimizationStub },
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{ "adapter", &adapter },
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{ "buffer blob", &bufferBlob },
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{ "other", &other },
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};
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tty->print_cr("Non-nmethod blobs:");
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for (auto& blob: non_nmethod_blobs) {
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blob.sizes->print(blob.name);
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}
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if (WizardMode) {
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@ -0,0 +1,79 @@
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/*
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* Copyright Amazon.com Inc. 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
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test CheckCodeCacheInfo
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* @bug 8005885
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* @summary Checks VM verbose information related to the code cache
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* @library /test/lib
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* @requires vm.debug
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*
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* @run driver jdk.test.lib.helpers.ClassFileInstaller
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* compiler.codecache.CheckCodeCacheInfo
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*/
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package compiler.codecache;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class CheckCodeCacheInfo {
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private static final String VERBOSE_REGEXP;
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static {
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String entry = "\\d+K( \\(hdr \\d+K \\d+%, loc \\d+K \\d+%, code \\d+K \\d+%, stub \\d+K \\d+%, \\[oops \\d+K \\d+%, metadata \\d+K \\d+%, data \\d+K \\d+%, pcs \\d+K \\d+%\\]\\))?\\n";
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String pair = " #\\d+ live = " + entry
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+ " #\\d+ dead = " + entry;
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VERBOSE_REGEXP = "nmethod blobs per compilation level:\\n"
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+ "none:\\n"
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+ pair
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+ "simple:\\n"
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+ pair
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+ "limited profile:\\n"
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+ pair
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+ "full profile:\\n"
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+ pair
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+ "full optimization:\\n"
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+ pair
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+ "Non-nmethod blobs:\\n"
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+ " #\\d+ runtime = " + entry
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+ " #\\d+ uncommon trap = " + entry
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+ " #\\d+ deoptimization = " + entry
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+ " #\\d+ adapter = " + entry
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+ " #\\d+ buffer blob = " + entry
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+ " #\\d+ other = " + entry;
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}
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public static void main(String[] args) throws Exception {
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ProcessBuilder pb;
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pb = ProcessTools.createJavaProcessBuilder("-XX:+PrintCodeCache",
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"-XX:+Verbose",
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"-version");
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OutputAnalyzer out = new OutputAnalyzer(pb.start());
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out.shouldHaveExitValue(0);
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out.stdoutShouldMatch(VERBOSE_REGEXP);
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}
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}
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