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authorJan Srnicek <jsrnicek@cisco.com>2017-09-12 08:22:07 +0200
committerMarek Gradzki <mgradzki@cisco.com>2017-09-12 06:48:17 +0000
commitdbc30d321bd385e5cd5bce1e6f567ade9ca1aa25 (patch)
tree80620eb992e8ee12254b8162e369ceee469d07d0 /infra/footprint/footprint-impl/src/main/java/io
parent61ae76644a2d68823aaeabf4c0310c1717f52236 (diff)
HONEYCOMB-392 - Footprint measuring support
Change-Id: I079c8ceef84cda43159e1823fe42ad77cdc981e8 Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>
Diffstat (limited to 'infra/footprint/footprint-impl/src/main/java/io')
-rw-r--r--infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintCustomizer.java55
-rw-r--r--infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintModule.java31
-rw-r--r--infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReader.java33
-rw-r--r--infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderFactory.java37
-rw-r--r--infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderImpl.java74
5 files changed, 230 insertions, 0 deletions
diff --git a/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintCustomizer.java b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintCustomizer.java
new file mode 100644
index 000000000..6d1db6776
--- /dev/null
+++ b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintCustomizer.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.footprint;
+
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.footprint.rev170830.MemoryFootprintState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.footprint.rev170830.MemoryFootprintStateBuilder;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class FootprintCustomizer implements ReaderCustomizer<MemoryFootprintState, MemoryFootprintStateBuilder> {
+
+ private final FootprintReader footprintReader;
+
+ public FootprintCustomizer(@Nonnull final FootprintReader footprintReader) {
+ this.footprintReader = footprintReader;
+ }
+
+ @Nonnull
+ @Override
+ public MemoryFootprintStateBuilder getBuilder(@Nonnull final InstanceIdentifier<MemoryFootprintState> id) {
+ return new MemoryFootprintStateBuilder();
+ }
+
+ @Override
+ public void readCurrentAttributes(@Nonnull final InstanceIdentifier<MemoryFootprintState> id,
+ @Nonnull final MemoryFootprintStateBuilder builder,
+ @Nonnull final ReadContext ctx) throws ReadFailedException {
+ builder.setFootprint((long) footprintReader.readCurrentFootprint()).setPid((long) footprintReader.getPid());
+ }
+
+ @Override
+ public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
+ @Nonnull final MemoryFootprintState readValue) {
+ //NOOP
+ }
+}
diff --git a/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintModule.java b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintModule.java
new file mode 100644
index 000000000..6792d71df
--- /dev/null
+++ b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintModule.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.footprint;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.multibindings.Multibinder;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+
+public class FootprintModule extends AbstractModule {
+ @Override
+ protected void configure() {
+ final Multibinder<ReaderFactory> setBinder =
+ Multibinder.newSetBinder(binder(), ReaderFactory.class);
+ setBinder.addBinding().to(FootprintReaderFactory.class);
+ bind(FootprintReader.class).to(FootprintReaderImpl.class).asEagerSingleton();
+ }
+}
diff --git a/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReader.java b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReader.java
new file mode 100644
index 000000000..28e5f77f2
--- /dev/null
+++ b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReader.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.footprint;
+
+/**
+ * Allows reading of footprint of its own JVM
+ */
+public interface FootprintReader {
+
+ /**
+ * @return Nr of kilobytes occupied by this JVM
+ */
+ int readCurrentFootprint();
+
+ /**
+ * @return Process id associated with this JVM
+ */
+ int getPid();
+}
diff --git a/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderFactory.java b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderFactory.java
new file mode 100644
index 000000000..0ff54c8ee
--- /dev/null
+++ b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderFactory.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.footprint;
+
+import com.google.inject.Inject;
+import io.fd.honeycomb.translate.impl.read.GenericReader;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.footprint.rev170830.MemoryFootprintState;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class FootprintReaderFactory implements ReaderFactory {
+
+ @Inject
+ private FootprintReader footprintReader;
+
+ @Override
+ public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) {
+ registry.add(new GenericReader(InstanceIdentifier.create(MemoryFootprintState.class),
+ new FootprintCustomizer(footprintReader)));
+ }
+}
diff --git a/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderImpl.java b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderImpl.java
new file mode 100644
index 000000000..817c5d4c4
--- /dev/null
+++ b/infra/footprint/footprint-impl/src/main/java/io/fd/honeycomb/footprint/FootprintReaderImpl.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.footprint;
+
+import static java.lang.String.format;
+
+import com.google.common.base.Charsets;
+import com.google.common.io.CharStreams;
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.lang.management.ManagementFactory;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+class FootprintReaderImpl implements FootprintReader {
+
+ private static final Logger LOG = LoggerFactory.getLogger(FootprintReaderImpl.class);
+
+ private final int pid;
+
+ public FootprintReaderImpl() {
+ pid = initPID();
+ LOG.info("Footprint marker initialized for pid {}", pid);
+ }
+
+
+ private static int initPID() {
+ final String processName = ManagementFactory.getRuntimeMXBean().getName();
+ return Integer.parseInt(processName.substring(0, processName.indexOf("@")));
+ }
+
+ @Override
+ public int readCurrentFootprint() {
+ try {
+ final Process process = Runtime.getRuntime().exec(" ps -eo rss,pid");
+
+ final BufferedInputStream input = new BufferedInputStream(process.getInputStream());
+ final String processOut = CharStreams.toString(new InputStreamReader(input, Charsets.UTF_8));
+
+ final String pidLine = Arrays.stream(processOut.split(System.lineSeparator()))
+ .skip(1)// skip header
+ .map(String::trim)
+ .filter(line -> Integer.parseInt(line.split("\\s+")[1]) == pid)
+ .findFirst()
+ .orElseThrow(
+ () -> new IllegalStateException(format("Unable to find memory stats for pid %s", pid)));
+
+ return Integer.parseInt(pidLine.split(" ")[0]);
+ } catch (IOException e) {
+ throw new IllegalStateException(e);
+ }
+ }
+
+ @Override
+ public int getPid() {
+ return pid;
+ }
+}