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Diffstat (limited to 'src/node/performance/perf_test.js')
-rw-r--r-- | src/node/performance/perf_test.js | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/node/performance/perf_test.js b/src/node/performance/perf_test.js deleted file mode 100644 index fe51e4a603..0000000000 --- a/src/node/performance/perf_test.js +++ /dev/null @@ -1,119 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -'use strict'; - -var grpc = require('..'); -var testProto = grpc.load(__dirname + '/../interop/test.proto').grpc.testing; -var _ = require('lodash'); -var interop_server = require('../interop/interop_server.js'); - -function runTest(iterations, callback) { - var testServer = interop_server.getServer(0, false); - testServer.server.start(); - var client = new testProto.TestService('localhost:' + testServer.port, - grpc.credentials.createInsecure()); - - function runIterations(finish) { - var start = process.hrtime(); - var intervals = []; - function next(i) { - if (i >= iterations) { - testServer.server.shutdown(); - var totalDiff = process.hrtime(start); - finish({ - total: totalDiff[0] * 1000000 + totalDiff[1] / 1000, - intervals: intervals - }); - } else{ - var deadline = new Date(); - deadline.setSeconds(deadline.getSeconds() + 3); - var startTime = process.hrtime(); - client.emptyCall({}, function(err, resp) { - var timeDiff = process.hrtime(startTime); - intervals[i] = timeDiff[0] * 1000000 + timeDiff[1] / 1000; - next(i+1); - }, {}, {deadline: deadline}); - } - } - next(0); - } - - function warmUp(num) { - var pending = num; - function startCall() { - client.emptyCall({}, function(err, resp) { - pending--; - if (pending === 0) { - runIterations(callback); - } - }); - } - for (var i = 0; i < num; i++) { - startCall(); - } - } - warmUp(100); -} - -function percentile(arr, pct) { - if (pct > 99) { - pct = 99; - } - if (pct < 0) { - pct = 0; - } - var index = Math.floor(arr.length * pct / 100); - return arr[index]; -} - -if (require.main === module) { - var count; - if (process.argv.length >= 3) { - count = process.argv[2]; - } else { - count = 100; - } - runTest(count, function(results) { - var sorted_intervals = _.sortBy(results.intervals, _.identity); - console.log('count:', count); - console.log('total time:', results.total, 'us'); - console.log('median:', percentile(sorted_intervals, 50), 'us'); - console.log('90th percentile:', percentile(sorted_intervals, 90), 'us'); - console.log('95th percentile:', percentile(sorted_intervals, 95), 'us'); - console.log('99th percentile:', percentile(sorted_intervals, 99), 'us'); - console.log('QPS:', (count / results.total) * 1000000); - }); -} - -module.exports = runTest; |