test: skip cpu-intensive tests on slow hosts

The `test-tick-processor-*` tests are now passing everywhere except for
the single-processor 700MHz Raspberry Pi 1 devices.

The tests are CPU-intensive. Skip the tests if there is only one CPU and
it runs at a speed not more than 700 MHz.

PR-URL: https://github.com/nodejs/node/pull/8652
Reviewed-By: Matthew Loring <mattloring@google.com>

test/common.js

@@ -31,6 +31,10 @@ exports.isLinux = process.platform === 'linux';
 exports.isOSX = process.platform === 'darwin';
 
 exports.enoughTestMem = os.totalmem() > 0x40000000; /* 1 Gb */
+
+const cpus = os.cpus();
+exports.enoughTestCpu = cpus.length > 1 || cpus[0].speed > 999;
+
 exports.rootDir = exports.isWindows ? 'c:\\' : '/';
 
 function rimrafSync(p) {

test/parallel/parallel.status

@@ -9,14 +9,10 @@ prefix parallel
 [$system==win32]
 
 [$system==linux]
-test-tick-processor           : PASS,FLAKY
 
 [$system==macos]
 
 [$arch==arm || $arch==arm64]
-test-tick-processor-builtin     : PASS,FLAKY
-test-tick-processor-cpp-core    : PASS,FLAKY
-test-tick-processor-unknown     : PASS,FLAKY
 
 [$system==solaris] # Also applies to SmartOS
 

test/parallel/test-tick-processor-builtin.js

@@ -2,18 +2,6 @@
 const common = require('../common');
 const path = require('path');
 
-// TODO(mhdawson) Currently the test-tick-processor functionality in V8
-// depends on addresses being smaller than a full 64 bits.  Aix supports
-// the full 64 bits and the result is that it does not process the
-// addresses correctly and runs out of memory
-// Disabling until we get a fix upstreamed into V8
-if (common.isAix) {
-  common.skip('Aix address range too big for scripts.');
-  return;
-}
-
-const base = require(path.join(common.fixturesDir, 'tick-processor-base.js'));
-
 if (common.isWindows ||
     common.isSunOS ||
     common.isAix ||
@@ -23,6 +11,13 @@ if (common.isWindows ||
   return;
 }
 
+if (!common.enoughTestCpu) {
+  common.skip('test is CPU-intensive');
+  return;
+}
+
+const base = require(path.join(common.fixturesDir, 'tick-processor-base.js'));
+
 base.runTest({
   pattern: /Builtin_DateNow/,
   code: `function f() {

test/parallel/test-tick-processor-cpp-core.js

@@ -2,18 +2,6 @@
 const common = require('../common');
 const path = require('path');
 
-// TODO(mhdawson) Currently the test-tick-processor functionality in V8
-// depends on addresses being smaller than a full 64 bits.  Aix supports
-// the full 64 bits and the result is that it does not process the
-// addresses correctly and runs out of memory
-// Disabling until we get a fix upstreamed into V8
-if (common.isAix) {
-  common.skip('Aix address range too big for scripts.');
-  return;
-}
-
-const base = require(path.join(common.fixturesDir, 'tick-processor-base.js'));
-
 if (common.isWindows ||
     common.isSunOS ||
     common.isAix ||
@@ -23,6 +11,13 @@ if (common.isWindows ||
   return;
 }
 
+if (!common.enoughTestCpu) {
+  common.skip('test is CPU-intensive');
+  return;
+}
+
+const base = require(path.join(common.fixturesDir, 'tick-processor-base.js'));
+
 base.runTest({
   pattern: /RunInDebugContext/,
   code: `function f() {

test/parallel/test-tick-processor-unknown.js

@@ -12,6 +12,11 @@ if (common.isAix) {
   return;
 }
 
+if (!common.enoughTestCpu) {
+  common.skip('test is CPU-intensive');
+  return;
+}
+
 const base = require(path.join(common.fixturesDir, 'tick-processor-base.js'));
 
 // Unknown checked for to prevent flakiness, if pattern is not found,