| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/tracing/core/test_utils.html"> |
| <link rel="import" href="/tracing/model/attribute.html"> |
| <link rel="import" href="/tracing/model/model.html"> |
| <link rel="import" href="/tracing/model/global_memory_dump.html"> |
| <link rel="import" href="/tracing/model/memory_allocator_dump.html"> |
| <link rel="import" href="/tracing/model/process_memory_dump.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.b.unittest.testSuite(function() { |
| var GlobalMemoryDump = tr.model.GlobalMemoryDump; |
| var ProcessMemoryDump = tr.model.ProcessMemoryDump; |
| var MemoryAllocatorDump = tr.model.MemoryAllocatorDump; |
| var MemoryAllocatorDumpLink = tr.model.MemoryAllocatorDumpLink; |
| var VMRegion = tr.model.VMRegion; |
| var ScalarAttribute = tr.model.ScalarAttribute; |
| |
| function createProcessMemoryDump(timestamp, model) { |
| var gmd = new GlobalMemoryDump(model, timestamp); |
| model.globalMemoryDumps.push(gmd); |
| var p = model.getOrCreateProcess(123); |
| var pmd = new ProcessMemoryDump(gmd, p, timestamp + 1); |
| gmd.processMemoryDumps[123] = pmd; |
| p.memoryDumps.push(pmd); |
| return pmd; |
| } |
| |
| function createFinalizedProcessMemoryDump(timestamp, opt_createdCallback) { |
| return createFinalizedProcessMemoryDumps([timestamp], function(pmds) { |
| if (opt_createdCallback !== undefined) |
| opt_createdCallback(pmds[0]); |
| })[0]; |
| } |
| |
| function createFinalizedProcessMemoryDumps(timestamps, createdCallback) { |
| var model = tr.c.TestUtils.newModel(function(model) { |
| var pmds = timestamps.map(function(timestamp) { |
| return createProcessMemoryDump(timestamp, model); |
| }); |
| createdCallback(pmds); |
| }); |
| var pmds = model.getProcess(123).memoryDumps; |
| assert.lengthOf(pmds, timestamps.length); |
| return pmds; |
| } |
| |
| function checkProtectionFlagsToString(protectionFlags, expectedString) { |
| var vmRegion = VMRegion.fromDict({ |
| startAddress: 256, |
| sizeInBytes: 336, |
| protectionFlags: protectionFlags, |
| mappedFile: '[stack:20310]', |
| byteStats: { |
| privateDirtyResident: 96, |
| swapped: 144, |
| proportionalResident: 158 |
| } |
| }); |
| assert.strictEqual(vmRegion.protectionFlagsToString, expectedString); |
| } |
| |
| test('processMemoryDumps', function() { |
| var pmd = createFinalizedProcessMemoryDump(42); |
| var pmds = pmd.processMemoryDumps; |
| assert.lengthOf(Object.keys(pmds), 1); |
| assert.strictEqual(pmds[123], pmd); |
| }); |
| |
| test('totalResidentSizeInBytes_undefinedVmRegions', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) {}); |
| assert.isUndefined(pmd.mostRecentTotalProportionalResidentSizeInBytes); |
| assert.isUndefined( |
| pmd.getMostRecentTotalVmRegionStat('privateDirtyResident')); |
| assert.isUndefined( |
| pmd.getMostRecentTotalVmRegionStat('privateCleanResident')); |
| }); |
| |
| test('totalResidentSizeInBytes_zeroVmRegions', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.vmRegions = []; |
| }); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('proportionalResident'), 0); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('privateDirtyResident'), 0); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('privateCleanResident'), 0); |
| }); |
| |
| test('totalResidentSizeInBytes_oneVmRegion', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| startAddress: 256, |
| sizeInBytes: 336, |
| protectionFlags: VMRegion.PROTECTION_FLAG_READ | |
| VMRegion.PROTECTION_FLAG_WRITE, |
| mappedFile: '[stack:20310]', |
| byteStats: { |
| privateDirtyResident: 96, |
| swapped: 144, |
| proportionalResident: 158 |
| } |
| }) |
| ]; |
| }); |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('proportionalResident'), 158); |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('privateDirtyResident'), 96); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('privateCleanResident'), 0); |
| }); |
| |
| test('totalResidentSizeInBytes_twoVmRegions', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| startAddress: 256, |
| sizeInBytes: 336, |
| protectionFlags: VMRegion.PROTECTION_FLAG_READ | |
| VMRegion.PROTECTION_FLAG_WRITE, |
| mappedFile: '[stack:20310]', |
| byteStats: { |
| privateDirtyResident: 96, |
| swapped: 144, |
| proportionalResident: 158 |
| } |
| }), |
| VMRegion.fromDict({ |
| startAddress: 848, |
| sizeInBytes: 592, |
| protectionFlags: VMRegion.PROTECTION_FLAG_READ | |
| VMRegion.PROTECTION_FLAG_EXECUTE, |
| mappedFile: '/dev/ashmem/dalvik', |
| byteStats: { |
| privateDirtyResident: 205, |
| privateCleanResident: 0, |
| proportionalResident: 205 |
| } |
| }) |
| ]; |
| }); |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('proportionalResident'), 363); |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('privateDirtyResident'), 301); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('swapped'), 144); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('privateCleanResident'), 0); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('sharedCleanResident'), 0); |
| }); |
| |
| test('hookUpMostRecentVmRegionsLinks_emptyArray', function() { |
| var dumps = []; |
| ProcessMemoryDump.hookUpMostRecentVmRegionsLinks(dumps); |
| assert.lengthOf(dumps, 0); |
| }); |
| |
| test('hookUpMostRecentVmRegionsLinks_nonEmptyArray', function() { |
| var m = new tr.Model(); |
| |
| // A dump with no VM regions or allocator dumps. |
| var dump1 = createProcessMemoryDump(1, m); |
| |
| // A dump with VM regions and malloc and Oilpan allocator dumps. |
| var dump2 = createProcessMemoryDump(2, m); |
| dump2.vmRegions = []; |
| dump2.memoryAllocatorDumps = (function() { |
| var oilpanDump = new MemoryAllocatorDump('oilpan'); |
| oilpanDump.addAttribute('size', new ScalarAttribute('bytes', 1024)); |
| oilpanDump.addAttribute('objects_count', |
| new ScalarAttribute('objects', 7)); |
| oilpanDump.addAttribute('inner_size', new ScalarAttribute('bytes', 768)); |
| |
| var v8Dump = new MemoryAllocatorDump('v8'); |
| v8Dump.addAttribute('size', new ScalarAttribute('bytes', 2048)); |
| v8Dump.addAttribute('objects_count', new ScalarAttribute('objects', 15)); |
| v8Dump.addAttribute('inner_size', new ScalarAttribute('bytes', 1999)); |
| |
| return [oilpanDump. v8Dump]; |
| })(); |
| |
| // A dump with malloc and V8 allocator dumps. |
| var dump3 = createProcessMemoryDump(3, m); |
| dump3.memoryAllocatorDumps = (function() { |
| var mallocDump = new MemoryAllocatorDump('malloc'); |
| mallocDump.addAttribute('size', new ScalarAttribute('bytes', 1024)); |
| mallocDump.addAttribute('objects_count', |
| new ScalarAttribute('objects', 7)); |
| mallocDump.addAttribute('inner_size', new ScalarAttribute('bytes', 768)); |
| |
| var v8Dump = new MemoryAllocatorDump('v8'); |
| v8Dump.addAttribute('size', new ScalarAttribute('bytes', 2048)); |
| v8Dump.addAttribute('objects_count', new ScalarAttribute('objects', 15)); |
| v8Dump.addAttribute('inner_size', new ScalarAttribute('bytes', 1999)); |
| |
| return [mallocDump. v8Dump]; |
| })(); |
| |
| // A dump with VM regions. |
| var dump4 = createProcessMemoryDump(4, m); |
| dump4.vmRegions = [ |
| VMRegion.fromDict({ |
| startAddress: 256, |
| sizeInBytes: 336, |
| protectionFlags: VMRegion.PROTECTION_FLAG_READ | |
| VMRegion.PROTECTION_FLAG_WRITE, |
| mappedFile: '[stack:20310]', |
| byteStats: { |
| privateResident: 96, |
| sharedResident: 144, |
| proportionalResident: 158 |
| } |
| }) |
| ]; |
| |
| var dumps = [dump1, dump2, dump3, dump4]; |
| ProcessMemoryDump.hookUpMostRecentVmRegionsLinks(dumps); |
| |
| assert.lengthOf(dumps, 4); |
| |
| assert.equal(dumps[0], dump1); |
| assert.isUndefined(dump1.mostRecentVmRegions); |
| |
| assert.equal(dumps[1], dump2); |
| assert.equal(dump2.mostRecentVmRegions, dump2.vmRegions_); |
| |
| assert.equal(dumps[2], dump3); |
| assert.equal(dump3.mostRecentVmRegions, dump2.vmRegions_); |
| |
| assert.equal(dumps[3], dump4); |
| assert.equal(dump4.mostRecentVmRegions, dump4.vmRegions_); |
| }); |
| |
| test('vmRegion_protectionFlagsToString', function() { |
| checkProtectionFlagsToString(undefined, undefined); |
| checkProtectionFlagsToString(0, '---'); |
| checkProtectionFlagsToString(VMRegion.PROTECTION_FLAG_READ, 'r--'); |
| checkProtectionFlagsToString( |
| VMRegion.PROTECTION_FLAG_READ | VMRegion.PROTECTION_FLAG_EXECUTE, |
| 'r-x'); |
| checkProtectionFlagsToString( |
| VMRegion.PROTECTION_FLAG_READ | VMRegion.PROTECTION_FLAG_WRITE, |
| 'rw-'); |
| }); |
| |
| test('checkDiscountTracingOverhead_undefinedFields', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| var v8Dump = new MemoryAllocatorDump(pmd, 'v8'); |
| v8Dump.addAttribute('size', new ScalarAttribute('bytes', 2048)); |
| |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute('size', new ScalarAttribute('bytes', 1024)); |
| |
| pmd.memoryAllocatorDumps = [v8Dump, tracingDump]; |
| }); |
| |
| assert.isUndefined(pmd.totals); |
| assert.isUndefined( |
| pmd.getMostRecentTotalVmRegionStat('proportionalResident')); |
| |
| var v8Dump = pmd.getMemoryAllocatorDumpByFullName('v8'); |
| assert.equal(v8Dump.attributes['size'].value, 2048); |
| |
| var tracingDump = pmd.getMemoryAllocatorDumpByFullName('tracing'); |
| assert.equal(tracingDump.attributes['size'].value, 1024); |
| }); |
| |
| test('checkDiscountTracingOverhead_definedFields', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.totals = { residentBytes: 10240 }; |
| |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| startAddress: 256, |
| sizeInBytes: 6000, |
| protectionFlags: VMRegion.PROTECTION_FLAG_READ | |
| VMRegion.PROTECTION_FLAG_WRITE, |
| mappedFile: '[stack:20310]', |
| byteStats: { |
| privateDirtyResident: 4096, |
| swapped: 1536, |
| proportionalResident: 5120 |
| } |
| }) |
| ]; |
| |
| var mallocDump = new MemoryAllocatorDump(pmd, 'malloc'); |
| mallocDump.addAttribute('size', new ScalarAttribute('bytes', 3072)); |
| var allocatedObjectsDump = new MemoryAllocatorDump( |
| pmd, 'malloc/allocated_objects'); |
| allocatedObjectsDump.addAttribute( |
| 'size', new ScalarAttribute('bytes', 2560)); |
| allocatedObjectsDump.parent = mallocDump; |
| mallocDump.children.push(allocatedObjectsDump); |
| |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute('size', new ScalarAttribute('bytes', 1024)); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 1000)); |
| |
| pmd.memoryAllocatorDumps = [mallocDump, tracingDump]; |
| }); |
| |
| assert.equal(pmd.totals.residentBytes, 9240); |
| assert.isUndefined(pmd.totals.peakResidentBytes); |
| |
| var vmRegions = pmd.mostRecentVmRegions; |
| assert.lengthOf(vmRegions, 2); |
| var discountRegion = vmRegions[1]; |
| assert.strictEqual( |
| discountRegion.mappedFile, '[discounted tracing overhead]'); |
| assert.strictEqual(discountRegion.sizeInBytes, -1024); |
| |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('privateDirtyResident'), 3096); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('swapped'), 1536); |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('proportionalResident'), 4120); |
| |
| var mallocDump = pmd.getMemoryAllocatorDumpByFullName('malloc'); |
| assert.equal(mallocDump.attributes['size'].value, 3072); |
| assert.equal(mallocDump.attributes['effective_size'].value, 2048); |
| assert.lengthOf( |
| mallocDump.children, 2 /* 'allocated_objects' and '<unspecified>' */); |
| |
| var allocatedObjectsDump = pmd.getMemoryAllocatorDumpByFullName( |
| 'malloc/allocated_objects'); |
| assert.equal(allocatedObjectsDump.attributes['size'].value, 2560); |
| assert.equal(allocatedObjectsDump.attributes['effective_size'].value, 1536); |
| assert.lengthOf( |
| allocatedObjectsDump.children, |
| 2 /* 'tracing_overhead' and '<unspecified>' */); |
| |
| var discountDump = pmd.getMemoryAllocatorDumpByFullName( |
| 'malloc/allocated_objects/tracing_overhead'); |
| assert.strictEqual(discountDump.parent, allocatedObjectsDump); |
| assert.include(allocatedObjectsDump.children, discountDump); |
| assert.equal(discountDump.attributes['size'].value, 1024); |
| assert.equal(discountDump.attributes['effective_size'].value, 0); |
| |
| var tracingDump = pmd.getMemoryAllocatorDumpByFullName('tracing'); |
| assert.equal(tracingDump.attributes['size'].value, 1024); |
| assert.equal(tracingDump.attributes['effective_size'].value, 1024); |
| assert.equal(tracingDump.attributes['resident_size'].value, 1000); |
| assert.strictEqual(tracingDump.owns.target, discountDump); |
| }); |
| |
| test('checkDiscountTracingOverhead_winheap', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| var winheapDump = new MemoryAllocatorDump(pmd, 'winheap'); |
| winheapDump.addAttribute('size', new ScalarAttribute('bytes', 5120)); |
| |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute('size', new ScalarAttribute('bytes', 2048)); |
| |
| pmd.memoryAllocatorDumps = [tracingDump, winheapDump]; |
| }); |
| |
| assert.isUndefined(pmd.totals); |
| |
| assert.isUndefined( |
| pmd.getMostRecentTotalVmRegionStat('privateDirtyResident')); |
| assert.isUndefined(pmd.getMostRecentTotalVmRegionStat('swapped')); |
| assert.isUndefined( |
| pmd.getMostRecentTotalVmRegionStat('proportionalResident')); |
| |
| var winheapDump = pmd.getMemoryAllocatorDumpByFullName('winheap'); |
| assert.equal(winheapDump.attributes['size'].value, 5120); |
| assert.equal(winheapDump.attributes['effective_size'].value, 3072); |
| assert.lengthOf(winheapDump.children, |
| 2 /* 'allocated_objects' and '<unspecified>' */); |
| |
| var allocatedObjectsDump = pmd.getMemoryAllocatorDumpByFullName( |
| 'winheap/allocated_objects'); |
| assert.equal(allocatedObjectsDump.attributes['size'].value, 2048); |
| assert.equal(allocatedObjectsDump.attributes['effective_size'].value, 0); |
| assert.lengthOf( |
| allocatedObjectsDump.children, 1 /* 'tracing_overhead' */); |
| |
| var discountDump = pmd.getMemoryAllocatorDumpByFullName( |
| 'winheap/allocated_objects/tracing_overhead'); |
| assert.strictEqual(discountDump.parent, allocatedObjectsDump); |
| assert.include(allocatedObjectsDump.children, discountDump); |
| assert.equal(discountDump.attributes['size'].value, 2048); |
| assert.equal(discountDump.attributes['effective_size'].value, 0); |
| |
| var tracingDump = pmd.getMemoryAllocatorDumpByFullName('tracing'); |
| assert.equal(tracingDump.attributes['size'].value, 2048); |
| assert.equal(tracingDump.attributes['effective_size'].value, 2048); |
| assert.strictEqual(tracingDump.owns.target, discountDump); |
| }); |
| |
| test('checkDiscountTracingOverhead_withMostRecentVmRegionsLinks', function() { |
| var pmds = createFinalizedProcessMemoryDumps([42, 90], function(pmds) { |
| pmds[0].totals = { residentBytes: 1000, peakResidentBytes: 2000 }; |
| pmds[0].vmRegions = [ |
| VMRegion.fromDict({ |
| startAddress: 256, |
| sizeInBytes: 6000, |
| protectionFlags: VMRegion.PROTECTION_FLAG_READ | |
| VMRegion.PROTECTION_FLAG_WRITE, |
| mappedFile: '[stack:20310]', |
| byteStats: { |
| privateDirtyResident: 4096 |
| } |
| }) |
| ]; |
| pmds[0].memoryAllocatorDumps = (function() { |
| var tracingDump = new MemoryAllocatorDump(pmds[0], 'tracing'); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 100)); |
| tracingDump.addAttribute( |
| 'size', new ScalarAttribute('bytes', 300)); |
| return [tracingDump]; |
| })(); |
| |
| pmds[1].totals = { peakResidentBytes: 3000 }; |
| pmds[1].memoryAllocatorDumps = (function() { |
| var tracingDump = new MemoryAllocatorDump(pmds[0], 'tracing'); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 200)); |
| return [tracingDump]; |
| })(); |
| }); |
| |
| // First PMD: Both total resident and private dirty resident size should be |
| // reduced by 100. Virtual size should be reduced by 300. |
| assert.equal(pmds[0].totals.residentBytes, 900); |
| assert.equal(pmds[0].totals.peakResidentBytes, 1900); |
| assert.equal(pmds[0].mostRecentVmRegions[1].sizeInBytes, -300); |
| assert.equal( |
| pmds[0].getMostRecentTotalVmRegionStat('privateDirtyResident'), 3996); |
| |
| // Second PMD: Total resident size should be reduced by 200, whereas private |
| // dirty resident size should be reduced by 100 (because it comes from |
| // the VM regions in the first dump). Similarly, virtual size should be |
| // reduced by 300. |
| assert.isUndefined(pmds[1].totals.residentBytes); |
| assert.equal(pmds[1].totals.peakResidentBytes, 2800); |
| assert.equal(pmds[1].mostRecentVmRegions[1].sizeInBytes, -300); |
| assert.equal( |
| pmds[1].getMostRecentTotalVmRegionStat('privateDirtyResident'), 3996); |
| }); |
| |
| test('checkDiscountTracingOverhead_allDiscountedVmRegionFields', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| mappedFile: '[stack]', |
| sizeInBytes: 10000, |
| byteStats: { |
| privateDirtyResident: 4096, |
| proportionalResident: 8192, |
| swapped: 1536 |
| } |
| }) |
| ]; |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute( |
| 'size', new ScalarAttribute('bytes', 1000)); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 1024)); |
| pmd.memoryAllocatorDumps = [tracingDump]; |
| }); |
| |
| var vmRegions = pmd.mostRecentVmRegions; |
| assert.lengthOf(vmRegions, 2); |
| |
| var regularRegion = vmRegions[0]; |
| assert.equal(regularRegion.mappedFile, '[stack]'); |
| assert.equal(regularRegion.sizeInBytes, 10000); |
| assert.equal(regularRegion.byteStats.privateDirtyResident, 4096); |
| assert.equal(regularRegion.byteStats.swapped, 1536); |
| assert.equal(regularRegion.byteStats.proportionalResident, 8192); |
| |
| var discountedRegion = vmRegions[1]; |
| assert.equal(discountedRegion.mappedFile, '[discounted tracing overhead]'); |
| assert.equal(discountedRegion.sizeInBytes, -1000); |
| assert.equal(discountedRegion.byteStats.privateDirtyResident, -1024); |
| assert.isUndefined(discountedRegion.byteStats.swapped); |
| assert.equal(discountedRegion.byteStats.proportionalResident, -1024); |
| }); |
| |
| test('checkDiscountTracingOverhead_twoDiscountedVmRegionField', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| mappedFile: '[stack]', |
| sizeInBytes: 10000, |
| byteStats: { |
| privateDirtyResident: 4096, |
| swapped: 1536 |
| } |
| }) |
| ]; |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute( |
| 'size', new ScalarAttribute('bytes', 1000)); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 1024)); |
| pmd.memoryAllocatorDumps = [tracingDump]; |
| }); |
| |
| var vmRegions = pmd.mostRecentVmRegions; |
| assert.lengthOf(vmRegions, 2); |
| |
| var regularRegion = vmRegions[0]; |
| assert.equal(regularRegion.mappedFile, '[stack]'); |
| assert.equal(regularRegion.sizeInBytes, 10000); |
| assert.equal(regularRegion.byteStats.privateDirtyResident, 4096); |
| assert.equal(regularRegion.byteStats.swapped, 1536); |
| assert.isUndefined(regularRegion.byteStats.proportionalResident); |
| |
| var discountedRegion = vmRegions[1]; |
| assert.equal(discountedRegion.mappedFile, '[discounted tracing overhead]'); |
| assert.equal(discountedRegion.sizeInBytes, -1000); |
| assert.equal(discountedRegion.byteStats.privateDirtyResident, -1024); |
| assert.isUndefined(discountedRegion.byteStats.swapped); |
| assert.isUndefined(discountedRegion.byteStats.proportionalResident); |
| }); |
| |
| test('checkDiscountTracingOverhead_oneDiscountedVmRegionField', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| mappedFile: '[stack]', |
| sizeInBytes: 10000, |
| byteStats: {} |
| }) |
| ]; |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute( |
| 'size', new ScalarAttribute('bytes', 1000)); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 1024)); |
| pmd.memoryAllocatorDumps = [tracingDump]; |
| }); |
| |
| var vmRegions = pmd.mostRecentVmRegions; |
| assert.lengthOf(vmRegions, 2); |
| |
| var regularRegion = vmRegions[0]; |
| assert.equal(regularRegion.mappedFile, '[stack]'); |
| assert.equal(regularRegion.sizeInBytes, 10000); |
| assert.isUndefined(regularRegion.byteStats.privateDirtyResident); |
| assert.isUndefined(regularRegion.byteStats.swapped); |
| assert.isUndefined(regularRegion.byteStats.proportionalResident); |
| |
| var discountedRegion = vmRegions[1]; |
| assert.equal(discountedRegion.mappedFile, '[discounted tracing overhead]'); |
| assert.equal(discountedRegion.sizeInBytes, -1000); |
| assert.isUndefined(discountedRegion.byteStats.privateDirtyResident); |
| assert.isUndefined(discountedRegion.byteStats.swapped); |
| assert.isUndefined(discountedRegion.byteStats.proportionalResident); |
| }); |
| |
| test('checkDiscountTracingOverhead_noDiscountedVmRegionFields', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| mappedFile: '[stack]', |
| byteStats: { |
| swapped: 1536 |
| } |
| }) |
| ]; |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 1024)); |
| pmd.memoryAllocatorDumps = [tracingDump]; |
| }); |
| |
| var vmRegions = pmd.mostRecentVmRegions; |
| assert.lengthOf(vmRegions, 1); |
| |
| var regularRegion = vmRegions[0]; |
| assert.equal(regularRegion.mappedFile, '[stack]'); |
| assert.isUndefined(regularRegion.sizeInBytes); |
| assert.isUndefined(regularRegion.byteStats.privateDirtyResident); |
| assert.equal(regularRegion.byteStats.swapped, 1536); |
| assert.isUndefined(regularRegion.byteStats.proportionalResident); |
| }); |
| |
| test('checkDiscountTracingOverhead_existingLink', function() { |
| var pmd = createFinalizedProcessMemoryDump(42, function(pmd) { |
| pmd.totals = { residentBytes: 10240 }; |
| |
| pmd.vmRegions = [ |
| VMRegion.fromDict({ |
| startAddress: 256, |
| sizeInBytes: 6000, |
| protectionFlags: VMRegion.PROTECTION_FLAG_READ | |
| VMRegion.PROTECTION_FLAG_WRITE, |
| mappedFile: '[stack:20310]', |
| byteStats: { |
| privateDirtyResident: 4096, |
| swapped: 1536, |
| proportionalResident: 5120 |
| } |
| }) |
| ]; |
| |
| var mallocDump = new MemoryAllocatorDump(pmd, 'malloc'); |
| mallocDump.addAttribute('size', new ScalarAttribute('bytes', 3072)); |
| |
| var tracingDump = new MemoryAllocatorDump(pmd, 'tracing'); |
| tracingDump.addAttribute( |
| 'size', new ScalarAttribute('bytes', 1024)); |
| tracingDump.addAttribute( |
| 'resident_size', new ScalarAttribute('bytes', 1000)); |
| |
| var ownedDump = new MemoryAllocatorDump(pmd, 'owned'); |
| |
| // The code for discounting tracing overhead should *not* override an |
| // existing ownership. |
| var ownershipLink = new MemoryAllocatorDumpLink(tracingDump, ownedDump); |
| tracingDump.owns = ownershipLink; |
| ownedDump.ownedBy.push(ownershipLink); |
| |
| pmd.memoryAllocatorDumps = [mallocDump, tracingDump, ownedDump]; |
| }); |
| |
| assert.equal(pmd.totals.residentBytes, 9240); |
| assert.isUndefined(pmd.totals.peakResidentBytes); |
| |
| var vmRegions = pmd.mostRecentVmRegions; |
| assert.lengthOf(vmRegions, 2); |
| var discountRegion = vmRegions[1]; |
| assert.strictEqual( |
| discountRegion.mappedFile, '[discounted tracing overhead]'); |
| assert.strictEqual(discountRegion.sizeInBytes, -1024); |
| |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('privateDirtyResident'), 3096); |
| assert.equal(pmd.getMostRecentTotalVmRegionStat('swapped'), 1536); |
| assert.equal( |
| pmd.getMostRecentTotalVmRegionStat('proportionalResident'), 4120); |
| |
| var mallocDump = pmd.getMemoryAllocatorDumpByFullName('malloc'); |
| assert.equal(mallocDump.attributes['size'].value, 3072); |
| assert.equal(mallocDump.attributes['effective_size'].value, 3072); |
| assert.lengthOf(mallocDump.children, 0); |
| |
| var ownedDump = pmd.getMemoryAllocatorDumpByFullName('owned'); |
| assert.equal(ownedDump.attributes['size'].value, 1024); |
| assert.equal(ownedDump.attributes['effective_size'].value, 0); |
| assert.lengthOf(ownedDump.children, 0); |
| |
| var tracingDump = pmd.getMemoryAllocatorDumpByFullName('tracing'); |
| assert.equal(tracingDump.attributes['size'].value, 1024); |
| assert.equal(tracingDump.attributes['effective_size'].value, 1024); |
| assert.equal(tracingDump.attributes['resident_size'].value, 1000); |
| assert.strictEqual(tracingDump.owns.target, ownedDump); |
| }); |
| }); |
| </script> |
