From: Alexandre Montplaisir Date: Tue, 21 Jul 2015 00:01:52 +0000 (-0400) Subject: Switch to use the Lttng-Ust Java Agent API, refactor using JUnit X-Git-Url: http://git.liburcu.org/?a=commitdiff_plain;h=7ac7128a08446aea213405cbb490cfe2c2a5c23d;p=lttng-ust-java-tests.git Switch to use the Lttng-Ust Java Agent API, refactor using JUnit --- diff --git a/.classpath b/.classpath index 1989a84..bf7cf4e 100644 --- a/.classpath +++ b/.classpath @@ -1,11 +1,8 @@ - - - - - - + + + diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs index 7341ab1..53d2118 100644 --- a/.settings/org.eclipse.jdt.core.prefs +++ b/.settings/org.eclipse.jdt.core.prefs @@ -1,11 +1,386 @@ eclipse.preferences.version=1 +org.eclipse.jdt.core.compiler.annotation.inheritNullAnnotations=disabled +org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation=ignore +org.eclipse.jdt.core.compiler.annotation.nonnull=org.eclipse.jdt.annotation.NonNull 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+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch=insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_constructor_declaration=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_enum_constant=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_for=insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_if=insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_declaration=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_invocation=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_parenthesized_expression=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_switch=insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_synchronized=insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_try=insert +org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_while=insert +org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return=insert +org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_throw=insert +org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert +org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_try_resources=do not insert +org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert +org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert +org.eclipse.jdt.core.formatter.join_lines_in_comments=true +org.eclipse.jdt.core.formatter.join_wrapped_lines=true +org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false +org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false +org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=false +org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false +org.eclipse.jdt.core.formatter.lineSplit=120 +org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false +org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false +org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0 +org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=1 +org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=true +org.eclipse.jdt.core.formatter.tabulation.char=space +org.eclipse.jdt.core.formatter.tabulation.size=4 +org.eclipse.jdt.core.formatter.use_on_off_tags=false +org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=true +org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true +org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true +org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true +org.eclipse.jdt.core.javaFormatter=org.eclipse.jdt.core.defaultJavaFormatter diff --git a/.settings/org.eclipse.jdt.ui.prefs b/.settings/org.eclipse.jdt.ui.prefs new file mode 100644 index 0000000..b4be934 --- /dev/null +++ b/.settings/org.eclipse.jdt.ui.prefs @@ -0,0 +1,62 @@ +eclipse.preferences.version=1 +editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true +formatter_profile=_Spaces +formatter_settings_version=12 +sp_cleanup.add_default_serial_version_id=true +sp_cleanup.add_generated_serial_version_id=false +sp_cleanup.add_missing_annotations=true +sp_cleanup.add_missing_deprecated_annotations=true +sp_cleanup.add_missing_methods=false +sp_cleanup.add_missing_nls_tags=false +sp_cleanup.add_missing_override_annotations=true +sp_cleanup.add_missing_override_annotations_interface_methods=true +sp_cleanup.add_serial_version_id=false +sp_cleanup.always_use_blocks=true +sp_cleanup.always_use_parentheses_in_expressions=false +sp_cleanup.always_use_this_for_non_static_field_access=false +sp_cleanup.always_use_this_for_non_static_method_access=false +sp_cleanup.convert_functional_interfaces=false +sp_cleanup.convert_to_enhanced_for_loop=false +sp_cleanup.correct_indentation=false +sp_cleanup.format_source_code=false +sp_cleanup.format_source_code_changes_only=false +sp_cleanup.insert_inferred_type_arguments=false +sp_cleanup.make_local_variable_final=true +sp_cleanup.make_parameters_final=false +sp_cleanup.make_private_fields_final=true +sp_cleanup.make_type_abstract_if_missing_method=false +sp_cleanup.make_variable_declarations_final=false +sp_cleanup.never_use_blocks=false +sp_cleanup.never_use_parentheses_in_expressions=true +sp_cleanup.on_save_use_additional_actions=true +sp_cleanup.organize_imports=true +sp_cleanup.qualify_static_field_accesses_with_declaring_class=false +sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true +sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true +sp_cleanup.qualify_static_member_accesses_with_declaring_class=false +sp_cleanup.qualify_static_method_accesses_with_declaring_class=false +sp_cleanup.remove_private_constructors=true +sp_cleanup.remove_redundant_type_arguments=true +sp_cleanup.remove_trailing_whitespaces=true +sp_cleanup.remove_trailing_whitespaces_all=true +sp_cleanup.remove_trailing_whitespaces_ignore_empty=false +sp_cleanup.remove_unnecessary_casts=true +sp_cleanup.remove_unnecessary_nls_tags=false +sp_cleanup.remove_unused_imports=false +sp_cleanup.remove_unused_local_variables=false +sp_cleanup.remove_unused_private_fields=true +sp_cleanup.remove_unused_private_members=false +sp_cleanup.remove_unused_private_methods=true +sp_cleanup.remove_unused_private_types=true +sp_cleanup.sort_members=false +sp_cleanup.sort_members_all=false +sp_cleanup.use_anonymous_class_creation=false +sp_cleanup.use_blocks=false +sp_cleanup.use_blocks_only_for_return_and_throw=false +sp_cleanup.use_lambda=true +sp_cleanup.use_parentheses_in_expressions=false +sp_cleanup.use_this_for_non_static_field_access=false +sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=true +sp_cleanup.use_this_for_non_static_method_access=false +sp_cleanup.use_this_for_non_static_method_access_only_if_necessary=true +sp_cleanup.use_type_arguments=false diff --git a/src/org/lttng/ust/agent/jul/benchmarks/AbstractJulBenchmark.java b/src/org/lttng/ust/agent/jul/benchmarks/AbstractJulBenchmark.java new file mode 100644 index 0000000..01c213b --- /dev/null +++ b/src/org/lttng/ust/agent/jul/benchmarks/AbstractJulBenchmark.java @@ -0,0 +1,145 @@ +package org.lttng.ust.agent.jul.benchmarks; + +import java.util.LinkedList; +import java.util.List; +import java.util.logging.Handler; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.junit.After; +import org.junit.Before; +import org.junit.Test; + +public abstract class AbstractJulBenchmark { + + // ------------------------------------------------------------------------ + // Configurable test parameters + // ------------------------------------------------------------------------ + + /** Nb of runs per test, result will be averaged */ + private static final int NB_RUNS = 10; + + /** Trace/log events per run */ + private static final int NB_ITER = 100000; + + /** Which tests to run (for different number of threads) */ + private static final int[] NB_THREADS = {1, 1, 2, 3, 4, 5, 6, 7, 8}; + + // ------------------------------------------------------------------------ + // Attributes + // ------------------------------------------------------------------------ + + private Logger logger; + protected Handler handler; + + // ------------------------------------------------------------------------ + // Maintenance methods + // ------------------------------------------------------------------------ + + @Before + public void setup() { + /* Set up the logger */ + logger = Logger.getLogger("Test logger"); + logger.setUseParentHandlers(false); + logger.setLevel(Level.ALL); + + /* Sub-classes' @Before will setup the Handler */ + } + + @After + public void teardown() { + logger.removeHandler(handler); + if (handler != null) { + handler.close(); + } + handler = null; + logger = null; + } + + // ------------------------------------------------------------------------ + // Test methods + // ------------------------------------------------------------------------ + + @Test + public void runBenchmark() { + if (handler != null) { + logger.addHandler(handler); + } + + System.out.println(); + System.out.println("Running benchmark: " + this.getClass().getCanonicalName()); + for (int i : NB_THREADS) { + runTest(logger, i); + } + } + + private static void runTest(Logger log, int nbThreads) { + long start, end, average, total = 0; + for (int i = 0; i < NB_RUNS; i++) { + Runner runner = new Runner(nbThreads, NB_ITER, log); + + start = System.nanoTime(); + runner.run(); + end = System.nanoTime(); + + total += (end - start); + } + average = total / NB_RUNS; + System.out.println(nbThreads + " threads, average = " + average / NB_ITER + " ns/event"); + } + + // ------------------------------------------------------------------------ + // Helper classes + // ------------------------------------------------------------------------ + + private static class Runner implements Runnable { + + private final List workers = new LinkedList<>(); + private final List workerThreads = new LinkedList<>(); + + public Runner(int nbThreads, int nbIter, Logger log) { + + for (int id = 0; id < nbThreads; id++) { + Worker curWorker = new Worker(id, nbIter, log); + workers.add(curWorker); + workerThreads.add(new Thread(curWorker, "worker " + id)); + } + } + + @Override + public void run() { + for (Thread curThread : workerThreads) { + curThread.start(); + } + + for (Thread curThread : workerThreads) { + try { + curThread.join(); + } catch (InterruptedException e) { + e.printStackTrace(); + } + } + } + + private static class Worker implements Runnable { + + private final Logger log; + private final int threadId; + private final int nbIter; + + public Worker(int threadId, int nbIter, Logger log) { + this.log = log; + this.threadId = threadId; + this.nbIter = nbIter; + } + + @Override + public void run() { + for (int i = 0; i < nbIter; i++) { + log.info("Thread " + threadId + ", iteration " + i); + } + } + + } + } +} diff --git a/src/org/lttng/ust/agent/jul/benchmarks/DummyHandlerBenchmark.java b/src/org/lttng/ust/agent/jul/benchmarks/DummyHandlerBenchmark.java new file mode 100644 index 0000000..0bf2f59 --- /dev/null +++ b/src/org/lttng/ust/agent/jul/benchmarks/DummyHandlerBenchmark.java @@ -0,0 +1,31 @@ +package org.lttng.ust.agent.jul.benchmarks; + +import java.util.logging.Handler; +import java.util.logging.LogRecord; + +import org.junit.Before; + +public class DummyHandlerBenchmark extends AbstractJulBenchmark { + + @Before + public void testSetup() { + handler = new DummyHandler(); + } + + private static class DummyHandler extends Handler { + + public DummyHandler() { + super(); + } + + @Override + public void close() throws SecurityException {} + + @Override + public void flush() {} + + @Override + public void publish(LogRecord record) {} + + } +} diff --git a/src/org/lttng/ust/agent/jul/benchmarks/FileHandlerBenchmark.java b/src/org/lttng/ust/agent/jul/benchmarks/FileHandlerBenchmark.java new file mode 100644 index 0000000..91a0419 --- /dev/null +++ b/src/org/lttng/ust/agent/jul/benchmarks/FileHandlerBenchmark.java @@ -0,0 +1,16 @@ +package org.lttng.ust.agent.jul.benchmarks; + +import java.io.IOException; +import java.util.logging.FileHandler; +import java.util.logging.SimpleFormatter; + +import org.junit.Before; + +public class FileHandlerBenchmark extends AbstractJulBenchmark { + + @Before + public void testSetup() throws SecurityException, IOException { + handler = new FileHandler("/tmp/log", false); + handler.setFormatter(new SimpleFormatter()); + } +} diff --git a/src/org/lttng/ust/agent/jul/benchmarks/LttngJulHandlerTracingDisabledBenchmark.java b/src/org/lttng/ust/agent/jul/benchmarks/LttngJulHandlerTracingDisabledBenchmark.java new file mode 100644 index 0000000..22106b6 --- /dev/null +++ b/src/org/lttng/ust/agent/jul/benchmarks/LttngJulHandlerTracingDisabledBenchmark.java @@ -0,0 +1,17 @@ +package org.lttng.ust.agent.jul.benchmarks; + +import static org.junit.Assert.assertFalse; + +import org.junit.Before; +import org.lttng.ust.agent.jul.LTTngLogHandler; +import org.lttng.ust.agent.jul.LttngJulRootAgent; + +public class LttngJulHandlerTracingDisabledBenchmark extends AbstractJulBenchmark { + + @Before + public void testSetup() { + handler = new LTTngLogHandler(true); + + assertFalse(LttngJulRootAgent.getInstance().listEnabledEvents().iterator().hasNext()); + } +} diff --git a/src/org/lttng/ust/agent/jul/benchmarks/LttngJulHandlerTracingEnabledBenchmark.java b/src/org/lttng/ust/agent/jul/benchmarks/LttngJulHandlerTracingEnabledBenchmark.java new file mode 100644 index 0000000..506c7ab --- /dev/null +++ b/src/org/lttng/ust/agent/jul/benchmarks/LttngJulHandlerTracingEnabledBenchmark.java @@ -0,0 +1,19 @@ +package org.lttng.ust.agent.jul.benchmarks; + +import static org.junit.Assert.assertTrue; + +import org.junit.Before; +import org.lttng.ust.agent.jul.LTTngLogHandler; +import org.lttng.ust.agent.jul.LttngJulRootAgent; + +public class LttngJulHandlerTracingEnabledBenchmark extends AbstractJulBenchmark { + + @Before + public void testSetup() { + handler = new LTTngLogHandler(true); + + LttngJulRootAgent agent = LttngJulRootAgent.getInstance(); + agent.enableEvent("*"); + assertTrue(agent.listEnabledEvents().iterator().hasNext()); + } +} diff --git a/src/org/lttng/ust/agent/jul/benchmarks/NoHandlerBenchmark.java b/src/org/lttng/ust/agent/jul/benchmarks/NoHandlerBenchmark.java new file mode 100644 index 0000000..ec569af --- /dev/null +++ b/src/org/lttng/ust/agent/jul/benchmarks/NoHandlerBenchmark.java @@ -0,0 +1,6 @@ +package org.lttng.ust.agent.jul.benchmarks; + +public class NoHandlerBenchmark extends AbstractJulBenchmark { + + /* Do not setup any handler */ +} diff --git a/src/org/lttng/ust/agent/jul/benchmarks/RunAllTests.java b/src/org/lttng/ust/agent/jul/benchmarks/RunAllTests.java new file mode 100644 index 0000000..0f61c03 --- /dev/null +++ b/src/org/lttng/ust/agent/jul/benchmarks/RunAllTests.java @@ -0,0 +1,15 @@ +package org.lttng.ust.agent.jul.benchmarks; + +import org.junit.runner.RunWith; +import org.junit.runners.Suite; + +@RunWith(Suite.class) +@Suite.SuiteClasses({ + DummyHandlerBenchmark.class, + FileHandlerBenchmark.class, + LttngJulHandlerTracingDisabledBenchmark.class, + LttngJulHandlerTracingEnabledBenchmark.class, + NoHandlerBenchmark.class +}) +public class RunAllTests { +} diff --git a/src/org/lttng/ust/tests/Benchmark.java b/src/org/lttng/ust/tests/Benchmark.java deleted file mode 100644 index b435e40..0000000 --- a/src/org/lttng/ust/tests/Benchmark.java +++ /dev/null @@ -1,63 +0,0 @@ -package org.lttng.ust.tests; - -import java.io.IOException; -import java.util.logging.FileHandler; -import java.util.logging.Handler; -import java.util.logging.Level; -import java.util.logging.Logger; -import java.util.logging.SimpleFormatter; - -import org.lttng.ust.LTTngUst; - -public class Benchmark { - - /** Nb of runs per test, result will be averaged */ - private static final int NB_RUNS = 5; - - /** Trace/log events per run */ - private static final int NB_ITER = 1000000; - - /** Which tests to run (for different number of threads) */ - private static final int[] nbThreads = {1, 1, 2, 3, 4, 5, 6, 7, 8}; - - private static Runner runner; - private static Logger log; - - public static void main(String[] args) throws SecurityException, IOException { - - final Handler fh; - - /* Set up the logger */ - log = Logger.getLogger("Test logger"); - log.setUseParentHandlers(false); - fh = new FileHandler("/tmp/log", false); - fh.setFormatter(new SimpleFormatter()); -// log.addHandler(fh); - log.setLevel(Level.ALL); - - /* Set up the tracer */ - LTTngUst.init(); - System.out.println("Press a key to start."); - System.in.read(); - - for (int i : nbThreads) { - runTest(i); - } - } - - - private static void runTest(int nbThreads) throws SecurityException, IOException { - long start, end, average, total = 0; - for (int i = 0; i < NB_RUNS; i++) { - runner = new Runner(nbThreads, NB_ITER, log); - - start = System.nanoTime(); - runner.run(); - end = System.nanoTime(); - - total += (end - start); - } - average = total / NB_RUNS; - System.out.println(nbThreads + " threads, average = " + average / NB_ITER + " ns/event"); - } -} diff --git a/src/org/lttng/ust/tests/DummyHandler.java b/src/org/lttng/ust/tests/DummyHandler.java deleted file mode 100644 index 601f06c..0000000 --- a/src/org/lttng/ust/tests/DummyHandler.java +++ /dev/null @@ -1,21 +0,0 @@ -package org.lttng.ust.tests; - -import java.util.logging.Handler; -import java.util.logging.LogRecord; - -public class DummyHandler extends Handler { - - public DummyHandler() { - super(); - } - - @Override - public void close() throws SecurityException {} - - @Override - public void flush() {} - - @Override - public void publish(LogRecord record) {} - -} diff --git a/src/org/lttng/ust/tests/Runner.java b/src/org/lttng/ust/tests/Runner.java deleted file mode 100644 index 470e98f..0000000 --- a/src/org/lttng/ust/tests/Runner.java +++ /dev/null @@ -1,43 +0,0 @@ -package org.lttng.ust.tests; - -import java.io.IOException; -import java.util.LinkedList; -import java.util.List; -import java.util.logging.Logger; - -public class Runner implements Runnable { - - private final List workers; - private final List workerThreads; - - public Runner(int nbThreads, int nbIter, Logger log) - throws SecurityException, IOException { - Worker curWorker; - - this.workers = new LinkedList<>(); - this.workerThreads = new LinkedList<>(); - - for (int id = 0; id < nbThreads; id++) { - curWorker = new Worker(id, nbIter, log); - workers.add(curWorker); - workerThreads.add(new Thread(curWorker, "worker " + id)); - } - } - - @Override - public void run() { - // System.out.println("Starting"); - for (Thread curThread : workerThreads) { - curThread.start(); - } - - for (Thread curThread : workerThreads) { - try { - curThread.join(); - } catch (InterruptedException e) { - e.printStackTrace(); - } - } - // System.out.println("Finished"); - } -} diff --git a/src/org/lttng/ust/tests/Worker.java b/src/org/lttng/ust/tests/Worker.java deleted file mode 100644 index 736dddb..0000000 --- a/src/org/lttng/ust/tests/Worker.java +++ /dev/null @@ -1,31 +0,0 @@ -package org.lttng.ust.tests; - -import java.util.logging.Logger; - -import org.lttng.ust.LTTngUst; - -public class Worker implements Runnable { - - private final Logger log; - private final int threadId; - private final int nbIter; - private long curCount; - - public Worker(int threadId, int nbIter, Logger log) { - this.log = log; - this.threadId = threadId; - this.nbIter = nbIter; - curCount = 0; - } - - @Override - public void run() { - for (int i = 0; i < nbIter; i++) { -// log.info("Thread " + threadId + ", iteration " + i); - LTTngUst.tracepointIntInt("Thread/Iteration", threadId, i); - curCount += i; - } -// System.out.println(curCount); - } - -}