chrome/test/nacl/nacl_browsertest_uma.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/test/histogram_tester.h"
   6 #include "chrome/test/nacl/nacl_browsertest_util.h"
   7 #include "components/nacl/browser/nacl_browser.h"
   8 #include "components/nacl/renderer/ppb_nacl_private.h"
   9 #include "content/public/test/browser_test_utils.h"
  10 #include "native_client/src/trusted/service_runtime/nacl_error_code.h"
  11
  12 namespace {
  13
  14 NACL_BROWSER_TEST_F(NaClBrowserTest, SuccessfulLoadUMA, {
  15   base::HistogramTester histograms;
  16   // Load a NaCl module to generate UMA data.
  17   RunLoadTest(FILE_PATH_LITERAL("nacl_load_test.html"));
  18
  19   // Make sure histograms from child processes have been accumulated in the
  20   // browser brocess.
  21   content::FetchHistogramsFromChildProcesses();
  22
  23   // Did the plugin report success?
  24   histograms.ExpectUniqueSample("NaCl.LoadStatus.Plugin",
  25                                 PP_NACL_ERROR_LOAD_SUCCESS, 1);
  26
  27   // Did the sel_ldr report success?
  28   histograms.ExpectUniqueSample("NaCl.LoadStatus.SelLdr",
  29                                 LOAD_OK, 1);
  30
  31   // Check validation cache usage:
  32   if (IsAPnaclTest()) {
  33     // Should have received 4 validation queries:
  34     // - Two for the IRT: the app and one of the translator nexes use the IRT.
  35     // - Two for the two PNaCl translator nexes.
  36     // The PNaCl app nexe comes from a delete-on-close temp file, so it
  37     // doesn't have a stable identity for validation caching. Overall, there
  38     // are 3 eligible nexes. The first 3 queries for these eligible nexes
  39     // are misses, and one of the IRT queries is a hit.
  40     histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
  41                                nacl::NaClBrowser::CACHE_MISS, 3);
  42     histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
  43                                nacl::NaClBrowser::CACHE_HIT, 1);
  44     // Should have received a cache setting afterwards (IRT set only once).
  45     histograms.ExpectUniqueSample("NaCl.ValidationCache.Set",
  46                                   nacl::NaClBrowser::CACHE_HIT, 3);
  47   } else {
  48     // For the open-web, only the IRT is considered a "safe" and
  49     // identity-cachable file. The nexes and .so files are not.
  50     // Should have one cache query for the IRT.
  51     histograms.ExpectUniqueSample("NaCl.ValidationCache.Query",
  52                                   nacl::NaClBrowser::CACHE_MISS, 1);
  53     // Should have received a cache setting afterwards for IRT and translators.
  54     histograms.ExpectUniqueSample("NaCl.ValidationCache.Set",
  55                                   nacl::NaClBrowser::CACHE_HIT, 1);
  56   }
  57
  58   // Make sure we have other important histograms.
  59   if (!IsAPnaclTest()) {
  60     histograms.ExpectTotalCount("NaCl.Perf.StartupTime.LoadModule", 1);
  61     histograms.ExpectTotalCount("NaCl.Perf.StartupTime.Total", 1);
  62     histograms.ExpectTotalCount("NaCl.Perf.Size.Manifest", 1);
  63     histograms.ExpectTotalCount("NaCl.Perf.Size.Nexe", 1);
  64   } else {
  65     histograms.ExpectTotalCount("NaCl.Options.PNaCl.OptLevel", 1);
  66     histograms.ExpectTotalCount("NaCl.Perf.Size.Manifest", 1);
  67     histograms.ExpectTotalCount("NaCl.Perf.Size.Pexe", 1);
  68     histograms.ExpectTotalCount("NaCl.Perf.Size.PNaClTranslatedNexe", 1);
  69     histograms.ExpectTotalCount("NaCl.Perf.Size.PexeNexeSizePct", 1);
  70     histograms.ExpectTotalCount("NaCl.Perf.PNaClLoadTime.LoadCompiler", 1);
  71     histograms.ExpectTotalCount("NaCl.Perf.PNaClLoadTime.LoadLinker", 1);
  72     histograms.ExpectTotalCount("NaCl.Perf.PNaClLoadTime.CompileTime", 1);
  73     histograms.ExpectTotalCount("NaCl.Perf.PNaClLoadTime.CompileKBPerSec", 1);
  74     histograms.ExpectTotalCount("NaCl.Perf.PNaClLoadTime.LinkTime", 1);
  75     histograms.ExpectTotalCount(
  76         "NaCl.Perf.PNaClLoadTime.PctCompiledWhenFullyDownloaded", 1);
  77     histograms.ExpectTotalCount("NaCl.Perf.PNaClLoadTime.TotalUncachedTime", 1);
  78     histograms.ExpectTotalCount(
  79         "NaCl.Perf.PNaClLoadTime.TotalUncachedKBPerSec", 1);
  80     histograms.ExpectTotalCount("NaCl.Perf.PNaClCache.IsHit", 1);
  81   }
  82 })
  83
  84 class NaClBrowserTestNewlibVcacheExtension:
  85       public NaClBrowserTestNewlibExtension {
  86  public:
  87   base::FilePath::StringType Variant() override {
  88     return FILE_PATH_LITERAL("extension_vcache_test/newlib");
  89   }
  90 };
  91
  92 IN_PROC_BROWSER_TEST_F(NaClBrowserTestNewlibVcacheExtension,
  93                        ValidationCacheOfMainNexe) {
  94   base::HistogramTester histograms;
  95   // Hardcoded extension AppID that corresponds to the hardcoded
  96   // public key in the manifest.json file. We need to load the extension
  97   // nexe from the same origin, so we can't just try to load the extension
  98   // nexe as a mime-type handler from a non-extension URL.
  99   base::FilePath::StringType full_url =
 100       FILE_PATH_LITERAL("chrome-extension://cbcdidchbppangcjoddlpdjlenngjldk/")
 101       FILE_PATH_LITERAL("extension_validation_cache.html");
 102   RunNaClIntegrationTest(full_url, true);
 103
 104   // Make sure histograms from child processes have been accumulated in the
 105   // browser brocess.
 106   content::FetchHistogramsFromChildProcesses();
 107   // Should have received 2 validation queries (one for IRT and one for NEXE),
 108   // and responded with a miss.
 109   histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
 110                                nacl::NaClBrowser::CACHE_MISS, 2);
 111   // TOTAL should then be 2 queries so far.
 112   histograms.ExpectTotalCount("NaCl.ValidationCache.Query", 2);
 113   // Should have received a cache setting afterwards for IRT and nexe.
 114   histograms.ExpectBucketCount("NaCl.ValidationCache.Set",
 115                                nacl::NaClBrowser::CACHE_HIT, 2);
 116
 117   // Load it again to hit the cache.
 118   RunNaClIntegrationTest(full_url, true);
 119   content::FetchHistogramsFromChildProcesses();
 120   // Should have received 2 more validation queries later (IRT and NEXE),
 121   // and responded with a hit.
 122   histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
 123                                nacl::NaClBrowser::CACHE_HIT, 2);
 124   // TOTAL should then be 4 queries now.
 125   histograms.ExpectTotalCount("NaCl.ValidationCache.Query", 4);
 126   // Still only 2 settings.
 127   histograms.ExpectTotalCount("NaCl.ValidationCache.Set", 2);
 128 }
 129
 130 class NaClBrowserTestGLibcVcacheExtension:
 131       public NaClBrowserTestGLibcExtension {
 132  public:
 133   base::FilePath::StringType Variant() override {
 134     return FILE_PATH_LITERAL("extension_vcache_test/glibc");
 135   }
 136 };
 137
 138 IN_PROC_BROWSER_TEST_F(NaClBrowserTestGLibcVcacheExtension,
 139                        MAYBE_GLIBC(ValidationCacheOfMainNexe)) {
 140   // Make sure histograms from child processes have been accumulated in the
 141   // browser process.
 142   base::HistogramTester histograms;
 143   // Hardcoded extension AppID that corresponds to the hardcoded
 144   // public key in the manifest.json file. We need to load the extension
 145   // nexe from the same origin, so we can't just try to load the extension
 146   // nexe as a mime-type handler from a non-extension URL.
 147   base::FilePath::StringType full_url =
 148       FILE_PATH_LITERAL("chrome-extension://cbcdidchbppangcjoddlpdjlenngjldk/")
 149       FILE_PATH_LITERAL("extension_validation_cache.html");
 150   RunNaClIntegrationTest(full_url, true);
 151
 152   // Should have received 9 validation queries, which respond with misses:
 153   //   - the IRT
 154   //   - ld.so (the initial nexe)
 155   //   - main.nexe
 156   //   - libppapi_cpp.so
 157   //   - libpthread.so.9b15f6a6
 158   //   - libstdc++.so.6
 159   //   - libgcc_s.so.1
 160   //   - libc.so.9b15f6a6
 161   //   - libm.so.9b15f6a6
 162   histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
 163                                nacl::NaClBrowser::CACHE_MISS, 9);
 164   // TOTAL should then be 9 queries so far.
 165   histograms.ExpectTotalCount("NaCl.ValidationCache.Query", 9);
 166   // Should have received a cache setting afterwards for IRT and nexe.
 167   histograms.ExpectBucketCount("NaCl.ValidationCache.Set",
 168                                nacl::NaClBrowser::CACHE_HIT, 9);
 169
 170   // Load it again to hit the cache.
 171   RunNaClIntegrationTest(full_url, true);
 172   // Should have received 9 more validation queries and responded with hits.
 173   histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
 174                                nacl::NaClBrowser::CACHE_HIT, 9);
 175   histograms.ExpectTotalCount("NaCl.ValidationCache.Query", 18);
 176   histograms.ExpectTotalCount("NaCl.ValidationCache.Set", 9);
 177 }
 178
 179 // Test that validation for the 2 PNaCl translator nexes can be cached.
 180 IN_PROC_BROWSER_TEST_F(NaClBrowserTestPnacl,
 181                        ValidationCacheOfTranslatorNexes) {
 182   base::HistogramTester histograms;
 183   // Run a load test w/ one pexe cache identity.
 184   RunLoadTest(FILE_PATH_LITERAL("pnacl_options.html?use_nmf=o_0"));
 185
 186   content::FetchHistogramsFromChildProcesses();
 187   // Should have received 4 validation queries:
 188   // - Two for the IRT: the app and one of the translator nexes use the IRT.
 189   // - Two for the two PNaCl translator nexes.
 190   // The PNaCl app nexe comes from a delete-on-close temp file, so it
 191   // doesn't have a stable identity for validation caching. Overall, there
 192   // are 3 eligible nexes. The first 3 queries for these eligible nexes
 193   // are misses, and one of the IRT queries is a hit.
 194   histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
 195                                nacl::NaClBrowser::CACHE_MISS, 3);
 196   histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
 197                                nacl::NaClBrowser::CACHE_HIT, 1);
 198   // Should have received a cache setting afterwards.
 199   histograms.ExpectUniqueSample("NaCl.ValidationCache.Set",
 200                                nacl::NaClBrowser::CACHE_HIT, 3);
 201
 202   // Load the same pexe, but with a different cache identity.
 203   // This means that translation will actually be redone,
 204   // forcing the translators to be loaded a second time (but now with
 205   // cache hits!)
 206   RunLoadTest(FILE_PATH_LITERAL("pnacl_options.html?use_nmf=o_2"));
 207
 208   // Should now have 4 more queries on top of the previous ones.
 209   histograms.ExpectTotalCount("NaCl.ValidationCache.Query", 8);
 210   // With the extra queries being cache hits.
 211   histograms.ExpectBucketCount("NaCl.ValidationCache.Query",
 212                                nacl::NaClBrowser::CACHE_HIT, 5);
 213   // No extra cache settings.
 214   histograms.ExpectUniqueSample("NaCl.ValidationCache.Set",
 215                                 nacl::NaClBrowser::CACHE_HIT, 3);
 216 }
 217
 218
 219 // TODO(ncbray) convert the rest of nacl_uma.py (currently in the NaCl repo.)
 220 // Test validation failures and crashes.
 221
 222 }  // namespace