Add latency metrics for relevant operations
Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I0545d8012820834382d4b0cca8c18c93a0b4053e
diff --git a/java/com/google/gerrit/plugins/codeowners/backend/BUILD b/java/com/google/gerrit/plugins/codeowners/backend/BUILD
index 5aefae5..83671a0 100644
--- a/java/com/google/gerrit/plugins/codeowners/backend/BUILD
+++ b/java/com/google/gerrit/plugins/codeowners/backend/BUILD
@@ -7,6 +7,7 @@
visibility = ["//visibility:public"],
deps = PLUGIN_DEPS_NEVERLINK + [
"//plugins/code-owners/java/com/google/gerrit/plugins/codeowners/common",
+ "//plugins/code-owners/java/com/google/gerrit/plugins/codeowners/metrics",
"//plugins/code-owners/java/com/google/gerrit/plugins/codeowners/util",
"//plugins/code-owners/proto:owners_metadata_java_proto",
],
diff --git a/java/com/google/gerrit/plugins/codeowners/backend/ChangedFiles.java b/java/com/google/gerrit/plugins/codeowners/backend/ChangedFiles.java
index 78956a2..1e76b05 100644
--- a/java/com/google/gerrit/plugins/codeowners/backend/ChangedFiles.java
+++ b/java/com/google/gerrit/plugins/codeowners/backend/ChangedFiles.java
@@ -23,9 +23,11 @@
import com.google.gerrit.entities.Patch;
import com.google.gerrit.entities.Project;
import com.google.gerrit.extensions.client.DiffPreferencesInfo.Whitespace;
+import com.google.gerrit.metrics.Timer0;
import com.google.gerrit.plugins.codeowners.backend.config.CodeOwnersPluginConfiguration;
import com.google.gerrit.plugins.codeowners.common.ChangedFile;
import com.google.gerrit.plugins.codeowners.common.MergeCommitStrategy;
+import com.google.gerrit.plugins.codeowners.metrics.CodeOwnerMetrics;
import com.google.gerrit.server.change.RevisionResource;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.patch.PatchListCache;
@@ -60,15 +62,18 @@
private final GitRepositoryManager repoManager;
private final CodeOwnersPluginConfiguration codeOwnersPluginConfiguration;
private final PatchListCache patchListCache;
+ private final CodeOwnerMetrics codeOwnerMetrics;
@Inject
public ChangedFiles(
GitRepositoryManager repoManager,
CodeOwnersPluginConfiguration codeOwnersPluginConfiguration,
- PatchListCache patchListCache) {
+ PatchListCache patchListCache,
+ CodeOwnerMetrics codeOwnerMetrics) {
this.repoManager = repoManager;
this.codeOwnersPluginConfiguration = codeOwnersPluginConfiguration;
this.patchListCache = patchListCache;
+ this.codeOwnerMetrics = codeOwnerMetrics;
}
/**
@@ -139,12 +144,14 @@
logger.atFine().log(
"computing changed files for revision %s in project %s", revCommit.name(), project);
- if (revCommit.getParentCount() > 1
- && MergeCommitStrategy.FILES_WITH_CONFLICT_RESOLUTION.equals(mergeCommitStrategy)) {
- return computeByComparingAgainstAutoMerge(project, revCommit);
- }
+ try (Timer0.Context ctx = codeOwnerMetrics.computeChangedFiles.start()) {
+ if (revCommit.getParentCount() > 1
+ && MergeCommitStrategy.FILES_WITH_CONFLICT_RESOLUTION.equals(mergeCommitStrategy)) {
+ return computeByComparingAgainstAutoMerge(project, revCommit);
+ }
- return computeByComparingAgainstFirstParent(repoConfig, revWalk, revCommit);
+ return computeByComparingAgainstFirstParent(repoConfig, revWalk, revCommit);
+ }
}
/**
diff --git a/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerApprovalCheck.java b/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerApprovalCheck.java
index 49eddd7..937a118 100644
--- a/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerApprovalCheck.java
+++ b/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerApprovalCheck.java
@@ -33,15 +33,14 @@
import com.google.gerrit.entities.Project;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
+import com.google.gerrit.metrics.Timer0;
import com.google.gerrit.plugins.codeowners.backend.config.CodeOwnersPluginConfiguration;
import com.google.gerrit.plugins.codeowners.backend.config.RequiredApproval;
import com.google.gerrit.plugins.codeowners.common.ChangedFile;
import com.google.gerrit.plugins.codeowners.common.CodeOwnerStatus;
+import com.google.gerrit.plugins.codeowners.metrics.CodeOwnerMetrics;
import com.google.gerrit.server.ApprovalsUtil;
import com.google.gerrit.server.git.GitRepositoryManager;
-import com.google.gerrit.server.logging.Metadata;
-import com.google.gerrit.server.logging.TraceContext;
-import com.google.gerrit.server.logging.TraceContext.TraceTimer;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.notedb.ReviewerStateInternal;
import com.google.gerrit.server.patch.PatchListNotAvailableException;
@@ -91,6 +90,7 @@
private final CodeOwnerConfigHierarchy codeOwnerConfigHierarchy;
private final Provider<CodeOwnerResolver> codeOwnerResolver;
private final ApprovalsUtil approvalsUtil;
+ private final CodeOwnerMetrics codeOwnerMetrics;
@Inject
CodeOwnerApprovalCheck(
@@ -101,7 +101,8 @@
CodeOwnerConfigScanner.Factory codeOwnerConfigScannerFactory,
CodeOwnerConfigHierarchy codeOwnerConfigHierarchy,
Provider<CodeOwnerResolver> codeOwnerResolver,
- ApprovalsUtil approvalsUtil) {
+ ApprovalsUtil approvalsUtil,
+ CodeOwnerMetrics codeOwnerMetrics) {
this.permissionBackend = permissionBackend;
this.repoManager = repoManager;
this.codeOwnersPluginConfiguration = codeOwnersPluginConfiguration;
@@ -110,6 +111,7 @@
this.codeOwnerConfigHierarchy = codeOwnerConfigHierarchy;
this.codeOwnerResolver = codeOwnerResolver;
this.approvalsUtil = approvalsUtil;
+ this.codeOwnerMetrics = codeOwnerMetrics;
}
/**
@@ -200,13 +202,11 @@
public Stream<FileCodeOwnerStatus> getFileStatuses(ChangeNotes changeNotes)
throws ResourceConflictException, IOException, PatchListNotAvailableException {
requireNonNull(changeNotes, "changeNotes");
- try (TraceTimer traceTimer =
- TraceContext.newTimer(
- "Compute file statuses",
- Metadata.builder()
- .projectName(changeNotes.getProjectName().get())
- .changeId(changeNotes.getChangeId().get())
- .build())) {
+ try (Timer0.Context ctx = codeOwnerMetrics.computeFileStatuses.start()) {
+ logger.atFine().log(
+ "compute file statuses (project = %s, change = %d)",
+ changeNotes.getProjectName(), changeNotes.getChangeId().get());
+
boolean enableImplicitApprovalFromUploader =
codeOwnersPluginConfiguration.areImplicitApprovalsEnabled(changeNotes.getProjectName());
Account.Id patchSetUploader = changeNotes.getCurrentPatchSet().uploader();
@@ -287,14 +287,14 @@
requireNonNull(changeNotes, "changeNotes");
requireNonNull(patchSet, "patchSet");
requireNonNull(accountId, "accountId");
- try (TraceTimer traceTimer =
- TraceContext.newTimer(
- "Compute file statuses for account",
- Metadata.builder()
- .projectName(changeNotes.getProjectName().get())
- .changeId(changeNotes.getChangeId().get())
- .patchSetId(patchSet.id().get())
- .build())) {
+ try (Timer0.Context ctx = codeOwnerMetrics.computeFileStatusesForAccount.start()) {
+ logger.atFine().log(
+ "compute file statuses for account %d (project = %s, change = %d, patch set = %d)",
+ accountId.get(),
+ changeNotes.getProjectName(),
+ changeNotes.getChangeId().get(),
+ patchSet.id().get());
+
RequiredApproval requiredApproval =
codeOwnersPluginConfiguration.getRequiredApproval(changeNotes.getProjectName());
logger.atFine().log("requiredApproval = %s", requiredApproval);
diff --git a/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerResolver.java b/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerResolver.java
index 2fb7607..31dda71 100644
--- a/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerResolver.java
+++ b/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerResolver.java
@@ -25,7 +25,9 @@
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.Project;
import com.google.gerrit.exceptions.StorageException;
+import com.google.gerrit.metrics.Timer0;
import com.google.gerrit.plugins.codeowners.backend.config.CodeOwnersPluginConfiguration;
+import com.google.gerrit.plugins.codeowners.metrics.CodeOwnerMetrics;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountCache;
@@ -33,9 +35,6 @@
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.account.externalids.ExternalId;
import com.google.gerrit.server.account.externalids.ExternalIds;
-import com.google.gerrit.server.logging.Metadata;
-import com.google.gerrit.server.logging.TraceContext;
-import com.google.gerrit.server.logging.TraceContext.TraceTimer;
import com.google.gerrit.server.permissions.GlobalPermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
@@ -62,6 +61,7 @@
private final AccountCache accountCache;
private final AccountControl.Factory accountControlFactory;
private final PathCodeOwners.Factory pathCodeOwnersFactory;
+ private final CodeOwnerMetrics codeOwnerMetrics;
// Enforce visibility by default.
private boolean enforceVisibility = true;
@@ -79,7 +79,8 @@
ExternalIds externalIds,
AccountCache accountCache,
AccountControl.Factory accountControlFactory,
- PathCodeOwners.Factory pathCodeOwnersFactory) {
+ PathCodeOwners.Factory pathCodeOwnersFactory,
+ CodeOwnerMetrics codeOwnerMetrics) {
this.codeOwnersPluginConfiguration = codeOwnersPluginConfiguration;
this.permissionBackend = permissionBackend;
this.currentUser = currentUser;
@@ -87,6 +88,7 @@
this.accountCache = accountCache;
this.accountControlFactory = accountControlFactory;
this.pathCodeOwnersFactory = pathCodeOwnersFactory;
+ this.codeOwnerMetrics = codeOwnerMetrics;
}
/**
@@ -147,15 +149,10 @@
requireNonNull(absolutePath, "absolutePath");
checkState(absolutePath.isAbsolute(), "path %s must be absolute", absolutePath);
- try (TraceTimer traceTimer =
- TraceContext.newTimer(
- "Resolve path code owners",
- Metadata.builder()
- .projectName(codeOwnerConfig.key().project().get())
- .branchName(codeOwnerConfig.key().ref())
- .filePath(codeOwnerConfig.key().fileName().orElse("<default>"))
- .build())) {
- logger.atFine().log("resolving path code owners for path %s", absolutePath);
+ try (Timer0.Context ctx = codeOwnerMetrics.resolvePathCodeOwners.start()) {
+ logger.atFine().log(
+ "resolve path code owners (code owner config = %s, path = %s)",
+ codeOwnerConfig.key(), absolutePath);
PathCodeOwnersResult pathCodeOwnersResult =
pathCodeOwnersFactory.create(codeOwnerConfig, absolutePath).resolveCodeOwnerConfig();
return resolve(
diff --git a/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerSubmitRule.java b/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerSubmitRule.java
index 6cf8ef3..4c23676 100644
--- a/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerSubmitRule.java
+++ b/java/com/google/gerrit/plugins/codeowners/backend/CodeOwnerSubmitRule.java
@@ -23,10 +23,9 @@
import com.google.gerrit.extensions.annotations.Exports;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.metrics.Timer0;
import com.google.gerrit.plugins.codeowners.backend.config.CodeOwnersPluginConfiguration;
-import com.google.gerrit.server.logging.Metadata;
-import com.google.gerrit.server.logging.TraceContext;
-import com.google.gerrit.server.logging.TraceContext.TraceTimer;
+import com.google.gerrit.plugins.codeowners.metrics.CodeOwnerMetrics;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.patch.PatchListNotAvailableException;
import com.google.gerrit.server.query.change.ChangeData;
@@ -56,13 +55,16 @@
private final CodeOwnersPluginConfiguration codeOwnersPluginConfiguration;
private final CodeOwnerApprovalCheck codeOwnerApprovalCheck;
+ private final CodeOwnerMetrics codeOwnerMetrics;
@Inject
CodeOwnerSubmitRule(
CodeOwnersPluginConfiguration codeOwnersPluginConfiguration,
- CodeOwnerApprovalCheck codeOwnerApprovalCheck) {
+ CodeOwnerApprovalCheck codeOwnerApprovalCheck,
+ CodeOwnerMetrics codeOwnerMetrics) {
this.codeOwnersPluginConfiguration = codeOwnersPluginConfiguration;
this.codeOwnerApprovalCheck = codeOwnerApprovalCheck;
+ this.codeOwnerMetrics = codeOwnerMetrics;
}
@Override
@@ -70,13 +72,11 @@
try {
requireNonNull(changeData, "changeData");
- try (TraceTimer traceTimer =
- TraceContext.newTimer(
- "Run code owner submit rule",
- Metadata.builder()
- .projectName(changeData.project().get())
- .changeId(changeData.getId().get())
- .build())) {
+ try (Timer0.Context ctx = codeOwnerMetrics.runCodeOwnerSubmitRule.start()) {
+ logger.atFine().log(
+ "run code owner submit rule (project = %s, change = %d)",
+ changeData.project().get(), changeData.getId().get());
+
if (codeOwnersPluginConfiguration.isDisabled(changeData.change().getDest())) {
logger.atFine().log(
"code owners functionality is disabled for branch %s", changeData.change().getDest());
diff --git a/java/com/google/gerrit/plugins/codeowners/backend/PathCodeOwners.java b/java/com/google/gerrit/plugins/codeowners/backend/PathCodeOwners.java
index f787dc8..4f67254 100644
--- a/java/com/google/gerrit/plugins/codeowners/backend/PathCodeOwners.java
+++ b/java/com/google/gerrit/plugins/codeowners/backend/PathCodeOwners.java
@@ -24,10 +24,9 @@
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.entities.BranchNameKey;
import com.google.gerrit.entities.Project;
+import com.google.gerrit.metrics.Timer0;
import com.google.gerrit.plugins.codeowners.backend.config.CodeOwnersPluginConfiguration;
-import com.google.gerrit.server.logging.Metadata;
-import com.google.gerrit.server.logging.TraceContext;
-import com.google.gerrit.server.logging.TraceContext.TraceTimer;
+import com.google.gerrit.plugins.codeowners.metrics.CodeOwnerMetrics;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
import com.google.inject.Inject;
@@ -54,15 +53,18 @@
@Singleton
public static class Factory {
+ private final CodeOwnerMetrics codeOwnerMetrics;
private final ProjectCache projectCache;
private final CodeOwnersPluginConfiguration codeOwnersPluginConfiguration;
private final CodeOwners codeOwners;
@Inject
Factory(
+ CodeOwnerMetrics codeOwnerMetrics,
ProjectCache projectCache,
CodeOwnersPluginConfiguration codeOwnersPluginConfiguration,
CodeOwners codeOwners) {
+ this.codeOwnerMetrics = codeOwnerMetrics;
this.projectCache = projectCache;
this.codeOwnersPluginConfiguration = codeOwnersPluginConfiguration;
this.codeOwners = codeOwners;
@@ -71,6 +73,7 @@
public PathCodeOwners create(CodeOwnerConfig codeOwnerConfig, Path absolutePath) {
requireNonNull(codeOwnerConfig, "codeOwnerConfig");
return new PathCodeOwners(
+ codeOwnerMetrics,
projectCache,
codeOwners,
codeOwnerConfig,
@@ -85,6 +88,7 @@
.map(
codeOwnerConfig ->
new PathCodeOwners(
+ codeOwnerMetrics,
projectCache,
codeOwners,
codeOwnerConfig,
@@ -118,6 +122,7 @@
}
}
+ private final CodeOwnerMetrics codeOwnerMetrics;
private final ProjectCache projectCache;
private final CodeOwners codeOwners;
private final CodeOwnerConfig codeOwnerConfig;
@@ -127,11 +132,13 @@
private PathCodeOwnersResult pathCodeOwnersResult;
private PathCodeOwners(
+ CodeOwnerMetrics codeOwnerMetrics,
ProjectCache projectCache,
CodeOwners codeOwners,
CodeOwnerConfig codeOwnerConfig,
Path path,
PathExpressionMatcher pathExpressionMatcher) {
+ this.codeOwnerMetrics = requireNonNull(codeOwnerMetrics, "codeOwnerMetrics");
this.projectCache = requireNonNull(projectCache, "projectCache");
this.codeOwners = requireNonNull(codeOwners, "codeOwners");
this.codeOwnerConfig = requireNonNull(codeOwnerConfig, "codeOwnerConfig");
@@ -187,13 +194,7 @@
return this.pathCodeOwnersResult;
}
- try (TraceTimer traceTimer =
- TraceContext.newTimer(
- "Resolve code owner config",
- Metadata.builder()
- .projectName(codeOwnerConfig.key().project().get())
- .filePath(path.toString())
- .build())) {
+ try (Timer0.Context ctx = codeOwnerMetrics.resolveCodeOwnerConfig.start()) {
logger.atFine().log(
"resolve code owners for %s from code owner config %s", path, codeOwnerConfig.key());
@@ -249,14 +250,9 @@
CodeOwnerConfig importingCodeOwnerConfig,
CodeOwnerConfig.Builder resolvedCodeOwnerConfigBuilder) {
ImmutableList.Builder<UnresolvedImport> unresolvedImports = ImmutableList.builder();
- try (TraceTimer traceTimer =
- TraceContext.newTimer(
- "Resolve code owner config imports",
- Metadata.builder()
- .projectName(codeOwnerConfig.key().project().get())
- .branchName(codeOwnerConfig.key().ref())
- .filePath(codeOwnerConfig.key().filePath("<default>").toString())
- .build())) {
+ try (Timer0.Context ctx = codeOwnerMetrics.resolveCodeOwnerConfigImports.start()) {
+ logger.atFine().log("resolve imports of codeOwnerConfig %s", importingCodeOwnerConfig.key());
+
// To detect cyclic dependencies we keep track of all seen code owner configs.
Set<CodeOwnerConfig.Key> seenCodeOwnerConfigs = new HashSet<>();
seenCodeOwnerConfigs.add(codeOwnerConfig.key());
@@ -278,17 +274,10 @@
CodeOwnerConfig.Key keyOfImportedCodeOwnerConfig =
createKeyForImportedCodeOwnerConfig(
importingCodeOwnerConfig.key(), codeOwnerConfigReference);
- try (TraceTimer traceTimer2 =
- TraceContext.newTimer(
- "Resolve code owner config import",
- Metadata.builder()
- .projectName(keyOfImportedCodeOwnerConfig.project().get())
- .branchName(keyOfImportedCodeOwnerConfig.ref())
- .filePath(
- keyOfImportedCodeOwnerConfig
- .filePath(codeOwnerConfigReference.fileName())
- .toString())
- .build())) {
+ try (Timer0.Context ctx2 = codeOwnerMetrics.resolveCodeOwnerConfigImport.start()) {
+ logger.atFine().log(
+ "resolve import of code owner config %s", keyOfImportedCodeOwnerConfig);
+
Optional<ProjectState> projectState =
projectCache.get(keyOfImportedCodeOwnerConfig.project());
if (!projectState.isPresent()) {
diff --git a/java/com/google/gerrit/plugins/codeowners/metrics/BUILD b/java/com/google/gerrit/plugins/codeowners/metrics/BUILD
new file mode 100644
index 0000000..1f1ad14
--- /dev/null
+++ b/java/com/google/gerrit/plugins/codeowners/metrics/BUILD
@@ -0,0 +1,9 @@
+load("@rules_java//java:defs.bzl", "java_library")
+load("//tools/bzl:plugin.bzl", "PLUGIN_DEPS_NEVERLINK")
+
+java_library(
+ name = "metrics",
+ srcs = glob(["*.java"]),
+ visibility = ["//visibility:public"],
+ deps = PLUGIN_DEPS_NEVERLINK,
+)
diff --git a/java/com/google/gerrit/plugins/codeowners/metrics/CodeOwnerMetrics.java b/java/com/google/gerrit/plugins/codeowners/metrics/CodeOwnerMetrics.java
new file mode 100644
index 0000000..e1ce3bf
--- /dev/null
+++ b/java/com/google/gerrit/plugins/codeowners/metrics/CodeOwnerMetrics.java
@@ -0,0 +1,74 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// 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 com.google.gerrit.plugins.codeowners.metrics;
+
+import com.google.gerrit.metrics.Description;
+import com.google.gerrit.metrics.Description.Units;
+import com.google.gerrit.metrics.MetricMaker;
+import com.google.gerrit.metrics.Timer0;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+/** Metrics of the code-owners plugin. */
+@Singleton
+public class CodeOwnerMetrics {
+ public final Timer0 computeChangedFiles;
+ public final Timer0 computeFileStatuses;
+ public final Timer0 computeFileStatusesForAccount;
+ public final Timer0 resolveCodeOwnerConfig;
+ public final Timer0 resolveCodeOwnerConfigImport;
+ public final Timer0 resolveCodeOwnerConfigImports;
+ public final Timer0 resolvePathCodeOwners;
+ public final Timer0 runCodeOwnerSubmitRule;
+
+ private final MetricMaker metricMaker;
+
+ @Inject
+ CodeOwnerMetrics(MetricMaker metricMaker) {
+ this.metricMaker = metricMaker;
+
+ this.computeChangedFiles =
+ createLatencyTimer("compute_changed_files", "Latency for computing changed files");
+ this.computeFileStatuses =
+ createLatencyTimer("compute_file_statuses", "Latency for computing file statuses");
+ this.computeFileStatusesForAccount =
+ createLatencyTimer(
+ "compute_file_statuses_for_account",
+ "Latency for computing file statuses for an account");
+ this.resolveCodeOwnerConfig =
+ createLatencyTimer(
+ "resolve_code_owner_config", "Latency for resolving a code owner config file");
+ this.resolveCodeOwnerConfigImport =
+ createLatencyTimer(
+ "resolve_code_owner_config_import",
+ "Latency for resolving an import of a code owner config file");
+ this.resolveCodeOwnerConfigImports =
+ createLatencyTimer(
+ "resolve_code_owner_config_imports",
+ "Latency for resolving all imports of a code owner config file");
+ this.resolvePathCodeOwners =
+ createLatencyTimer(
+ "resolve_path_code_owners", "Latency for resolving the code owners of a path");
+ this.runCodeOwnerSubmitRule =
+ createLatencyTimer(
+ "run_code_owner_submit_rule", "Latency for running the code owner submit rule");
+ }
+
+ private Timer0 createLatencyTimer(String name, String description) {
+ return metricMaker.newTimer(
+ "code_owners/" + name,
+ new Description(description).setCumulative().setUnit(Units.MILLISECONDS));
+ }
+}
diff --git a/resources/Documentation/metrics.md b/resources/Documentation/metrics.md
new file mode 100644
index 0000000..2e63c23
--- /dev/null
+++ b/resources/Documentation/metrics.md
@@ -0,0 +1,27 @@
+# Metrics
+
+The @PLUGIN@ plugin exports several metrics which can give insights into the
+usage and performance of the code owners functionality.
+
+## <a id="latencyMetrics"> Latency Metrics
+
+* `compute_changed_files`:
+ Latency for computing changed files.
+* `compute_file_statuses`:
+ Latency for computing file statuses.
+* `compute_file_statuses_for_account`:
+ Latency for computing file statuses for an account.
+* `resolve_code_owner_config`:
+ Latency for resolving a code owner config file.
+* `resolve_code_owner_config_import`:
+ Latency for resolving an import of a code owner config file.
+* `resolve_code_owner_config_imports`:
+ Latency for resolving all imports of a code owner config file.
+* `run_code_owner_submit_rule`:
+ Latency for running the code owner submit rule.
+
+---
+
+Back to [@PLUGIN@ documentation index](index.html)
+
+Part of [Gerrit Code Review](../../../Documentation/index.html)
