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Add mmap table and resident page UI to memory_inspector.
This wires-up the raw mmap dump (through memdump), introducing: - A new /ajax/dump/mmap endpoint to the server. - The HTML/JS ui to show the mmap table and the resident page list. BUG=340294 NOTRY=true Review URL: https://codereview.chromium.org/196973008 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256836 0039d316-1c4b-4281-b951-d872f2087c98
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primiano@chromium.org
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Mar 13, 2014
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tools/memory_inspector/memory_inspector/frontends/www_content/js/mmap.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| // Copyright 2014 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. | ||
|
|
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| mmap = new (function() { | ||
|
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| this.AJAX_BASE_URL_ = '/ajax'; | ||
| this.COL_START = 0; | ||
| this.COL_END = 1; | ||
| this.COL_LEN = 2; | ||
| this.COL_PROT = 3; | ||
| this.COL_PRIV_DIRTY = 4; | ||
| this.COL_PRIV_CLEAN = 5; | ||
| this.COL_SHARED_DIRTY = 6; | ||
| this.COL_SHARED_CLEAN = 7; | ||
| this.COL_FILE = 8; | ||
| this.COL_RESIDENT = 10; | ||
| this.SHOW_COLUMNS = [0, 1, 2, 3, 4, 5, 6, 7, 8]; | ||
| this.PAGE_SIZE = 4096; | ||
|
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| this.mapsData_ = null; | ||
| this.mapsTable_ = null; | ||
| this.mapsFilter_ = null; | ||
|
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| this.onDomReady_ = function() { | ||
| $('#mm-lookup-addr').on('change', this.lookupAddress.bind(this)); | ||
| $('#mm-filter-file').on('change', this.applyMapsTableFilters_.bind(this)); | ||
| $('#mm-filter-prot').on('change', this.applyMapsTableFilters_.bind(this)); | ||
| $('#mm-filter-clear').on('click', this.resetMapsTableFilters_.bind(this)); | ||
| }; | ||
|
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| this.dumpMmaps = function(targetProcUri) { | ||
| if (!targetProcUri) | ||
| return; | ||
| webservice.ajaxRequest('/dump/mmap/' + targetProcUri, | ||
| this.onDumpAjaxResponse_.bind(this)); | ||
| rootUi.showDialog('Dumping memory maps for ' + targetProcUri + '...'); | ||
| }; | ||
|
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||
| this.onDumpAjaxResponse_ = function(data) { | ||
| $('#mm-filter-file').val(''); | ||
| $('#mm-filter-prot').val(''); | ||
| this.mapsData_ = new google.visualization.DataTable(data); | ||
| this.mapsFilter_ = new google.visualization.DataView(this.mapsData_); | ||
| this.mapsFilter_.setColumns(this.SHOW_COLUMNS); | ||
| this.mapsTable_ = new google.visualization.Table($('#mm-table')[0]); | ||
| google.visualization.events.addListener( | ||
| this.mapsTable_, 'select', this.onMmapTableRowSelect_.bind(this)); | ||
| $('#mm-table').on('dblclick', this.onMmapTableDblClick_.bind(this)); | ||
| rootUi.showTab('mm-table'); | ||
| this.applyMapsTableFilters_(); | ||
| rootUi.hideDialog(); | ||
| }; | ||
|
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||
| this.applyMapsTableFilters_ = function() { | ||
| // Filters the rows according to the user-provided file and prot regexps. | ||
| if (!this.mapsFilter_) | ||
| return; | ||
|
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||
| var fileRx = $('#mm-filter-file').val(); | ||
| var protRx = $('#mm-filter-prot').val(); | ||
| var rows = []; | ||
| var totPrivDirty = 0; | ||
| var totPrivClean = 0; | ||
| var totSharedDirty = 0; | ||
| var totSharedClean = 0; | ||
|
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||
| for (var row = 0; row < this.mapsData_.getNumberOfRows(); ++row) { | ||
| mappedFile = this.mapsData_.getValue(row, this.COL_FILE); | ||
| protFlags = this.mapsData_.getValue(row, this.COL_PROT); | ||
| if (!mappedFile.match(fileRx) || !protFlags.match(protRx)) | ||
| continue; | ||
| rows.push(row); | ||
| totPrivDirty += this.mapsData_.getValue(row, this.COL_PRIV_DIRTY); | ||
| totPrivClean += this.mapsData_.getValue(row, this.COL_PRIV_CLEAN); | ||
| totSharedDirty += this.mapsData_.getValue(row,this.COL_SHARED_DIRTY); | ||
| totSharedClean += this.mapsData_.getValue(row, this.COL_SHARED_CLEAN); | ||
| } | ||
| this.mapsFilter_.setRows(rows); | ||
| this.mapsTable_.draw(this.mapsFilter_); | ||
| $('#mm-totals-priv-dirty').text(totPrivDirty); | ||
| $('#mm-totals-priv-clean').text(totPrivClean); | ||
| $('#mm-totals-shared-dirty').text(totSharedDirty); | ||
| $('#mm-totals-shared-clean').text(totSharedClean); | ||
| }; | ||
|
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||
| this.resetMapsTableFilters_ = function() { | ||
| $('#mm-filter-file').val(''); | ||
| $('#mm-filter-prot').val(''); | ||
| this.applyMapsTableFilters_(); | ||
| }; | ||
|
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| this.onMmapTableRowSelect_ = function() { | ||
| // Update the memory totals for the selected rows. | ||
| if (!this.mapsFilter_) | ||
| return; | ||
|
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||
| var totPrivDirty = 0; | ||
| var totPrivClean = 0; | ||
| var totSharedDirty = 0; | ||
| var totSharedClean = 0; | ||
|
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||
| this.mapsTable_.getSelection().forEach(function(sel) { | ||
| var row = sel.row; | ||
| totPrivDirty += this.mapsFilter_.getValue(row, this.COL_PRIV_DIRTY); | ||
| totPrivClean += this.mapsFilter_.getValue(row, this.COL_PRIV_CLEAN); | ||
| totSharedDirty += this.mapsFilter_.getValue(row,this.COL_SHARED_DIRTY); | ||
| totSharedClean += this.mapsFilter_.getValue(row, this.COL_SHARED_CLEAN); | ||
| }, this); | ||
| $('#mm-selected-priv-dirty').text(totPrivDirty); | ||
| $('#mm-selected-priv-clean').text(totPrivClean); | ||
| $('#mm-selected-shared-dirty').text(totSharedDirty); | ||
| $('#mm-selected-shared-clean').text(totSharedClean); | ||
| }; | ||
|
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| this.onMmapTableDblClick_ = function() { | ||
| // Show resident pages for the selected mapping. | ||
| var PAGES_PER_ROW = 16; | ||
|
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||
| if (!this.mapsData_) | ||
| return; | ||
|
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| var sel = this.mapsTable_.getSelection(); | ||
| if (sel.length == 0) | ||
| return; | ||
|
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||
| // |sel| returns the row index in the current view, which might be filtered. | ||
| // Need to walk back in the mapsFilter_.getViewRows to get the actual row | ||
| // index in the original table. | ||
| var row = this.mapsFilter_.getViewRows()[sel[0].row]; | ||
| var arr = JSON.parse(this.mapsData_.getValue(row, this.COL_RESIDENT)); | ||
| var table = $('<table class="mm-resident-table"/>'); | ||
| var curRow = $('<tr/>'); | ||
| table.append(curRow); | ||
|
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||
| for (var i = 0; i < arr.length; ++i) { | ||
| for (var j = 0; j < 8; ++j) { | ||
| var pageIdx = i * 8 + j; | ||
| var resident = !!(arr[i] & (1 << j)); | ||
| if (pageIdx % PAGES_PER_ROW == 0) { | ||
| curRow = $('<tr/>'); | ||
| table.append(curRow); | ||
| } | ||
| var hexAddr = (pageIdx * this.PAGE_SIZE).toString(16); | ||
| var cell = $('<td/>').text(hexAddr); | ||
| if (resident) | ||
| cell.addClass('resident') | ||
| curRow.append(cell); | ||
| } | ||
| } | ||
| rootUi.showDialog(table, 'Resident page list'); | ||
| }; | ||
|
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| this.lookupAddress = function() { | ||
| // Looks up the user-provided address in the mmap table and highlights the | ||
| // row containing the map (if found). | ||
| if (!this.mapsData_) | ||
| return; | ||
|
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| addr = parseInt($('#mm-lookup-addr').val(), 16); | ||
| $('#mm-lookup-offset').text(''); | ||
| if (!addr) | ||
| return; | ||
|
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| this.resetMapsTableFilters_(); | ||
|
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| var lbound = 0; | ||
| var ubound = this.mapsData_.getNumberOfRows() - 1; | ||
| while (lbound <= ubound) { | ||
| var row = ((lbound + ubound) / 2) >> 0; | ||
| var start = parseInt(this.mapsData_.getValue(row, this.COL_START), 16); | ||
| var end = parseInt(this.mapsData_.getValue(row, this.COL_END), 16); | ||
| if (addr < start){ | ||
| ubound = row - 1; | ||
| } | ||
| else if (addr > end) { | ||
| lbound = row + 1; | ||
| } | ||
| else { | ||
| $('#mm-lookup-offset').text((addr - start).toString(16)); | ||
| this.mapsTable_.setSelection([{row: row, column: null}]); | ||
| // Scroll to row. | ||
| $('#wrapper').scrollTop( | ||
| $('#mm-table .google-visualization-table-tr-sel').offset().top); | ||
| break; | ||
| } | ||
| } | ||
| }; | ||
|
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||
| $(document).ready(this.onDomReady_.bind(this)); | ||
|
|
||
| })(); |
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16 changes: 16 additions & 0 deletions
16
tools/memory_inspector/memory_inspector/frontends/www_content/mmap.css
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| /* Copyright 2014 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. */ | ||
|
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| .mm-resident-table { | ||
| border: 1px solid #999; | ||
| } | ||
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| .mm-resident-table td { | ||
| padding: 0.2em; | ||
| } | ||
|
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| .mm-resident-table td.resident { | ||
| background: lightgreen; | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -141,3 +141,7 @@ input[type="text"] { | |
| display: inline-block; | ||
| height: 20em; | ||
| } | ||
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| table { | ||
| -webkit-user-select: none; | ||
| } | ||
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