/** * Test that latency reported in the profiler and logs include lock acquisition time for various * CRUD operations. * @tags: [requires_profiling] */ /** * Configures the server to wait for 'millis' while acquiring locks in the CRUD path, then * invokes the no-arguments function 'func', then disables the aforementioned lock wait * behavior. */ function runWithWait(millis, func) { assert.commandWorked(testDB.adminCommand({ configureFailPoint: "setAutoGetCollectionWait", mode: "alwaysOn", data: {waitForMillis: millis} })); func(); assert.commandWorked(testDB.adminCommand({ configureFailPoint: "setAutoGetCollectionWait", mode: "off", })); } import {getLatestProfilerEntry} from "jstests/libs/profiler.js"; let hangMillis = 200; let padding = hangMillis / 10; let conn = MongoRunner.runMongod({}); assert.neq(null, conn, "mongod was unable to start up"); let testDB = conn.getDB("test"); let testColl = testDB.lock_acquisition_time; // Profile all operations. assert.commandWorked(testDB.setProfilingLevel(0)); testDB.system.profile.drop(); assert.commandWorked(testDB.setProfilingLevel(2)); // Test that insert profiler/logs include lock acquisition time. Rather than parsing the log // lines, we are just verifying that the log line appears, which implies that the recorded // latency exceeds slowms. runWithWait(hangMillis, function() { assert.commandWorked(testColl.insert({a: 1})); }); let profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.insert": testColl.getName(), }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, /"ns":"test.lock_acquisition_time".*"command":{"insert"/); // Test that update profiler/logs include lock acquisition time. runWithWait(hangMillis, function() { assert.commandWorked(testColl.update({}, {$set: {b: 1}})); }); profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.u": {$eq: {$set: {b: 1}}}, }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, /"ns":"test.\$cmd".*"command":{"update":"lock_acquisition_time"/); // Test that find profiler/logs include lock acquisition time. runWithWait(hangMillis, function() { assert.eq(1, testColl.find({b: 1}).itcount()); }); profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.find": testColl.getName(), }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, '"command":{"find":"lock_acquisition_time"'); // Test that getMore profiler/logs include lock acquisition time. assert.commandWorked(testColl.insert([{a: 2}, {a: 3}])); runWithWait(hangMillis, function() { // Include a batchSize in order to ensure that a getMore is issued. assert.eq(3, testColl.find().batchSize(2).itcount()); }); profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.getMore": {$exists: true}, }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, '"originatingCommand":{"find":"lock_acquisition_time"'); assert.commandWorked(testColl.remove({a: {$gt: 1}})); // Test that aggregate profiler/logs include lock acquisition time. runWithWait(hangMillis, function() { assert.eq(1, testColl.aggregate([{$match: {b: 1}}]).itcount()); }); profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.aggregate": testColl.getName(), }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, '"command":{"aggregate":"lock_acquisition_time"'); // Test that count profiler/logs include lock acquisition time. runWithWait(hangMillis, function() { assert.eq(1, testColl.count()); }); profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.count": testColl.getName(), }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, '"command":{"count":"lock_acquisition_time"'); // Test that distinct profiler/logs include lock acquisition time. runWithWait(hangMillis, function() { assert.eq([1], testColl.distinct("a")); }); profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.distinct": testColl.getName(), }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, '"command":{"distinct":"lock_acquisition_time"'); // Test that delete profiler/logs include lock acquisition time. runWithWait(hangMillis, function() { assert.commandWorked(testColl.remove({b: 1})); }); profileEntry = getLatestProfilerEntry(testDB, { ns: testColl.getFullName(), "command.q": {b: 1}, }); assert.gte(profileEntry.millis, hangMillis - padding); checkLog.contains(conn, '"command":{"delete":"lock_acquisition_time"'); MongoRunner.stopMongod(conn);