test: only skip slow tests on Raspberry Pi devices

Detect the Raspberry Pi devices in the Node.js CI and only skip the
slow tests on those instead of all armv7l devices.

PR-URL: #42645
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Stewart X Addison <sxa@redhat.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

Author: richardlau

test/common/index.js

@@ -120,6 +120,17 @@ const isFreeBSD = process.platform === 'freebsd';
 const isOpenBSD = process.platform === 'openbsd';
 const isLinux = process.platform === 'linux';
 const isOSX = process.platform === 'darwin';
+const isPi = (() => {
+  try {
+    // Normal Raspberry Pi detection is to find the `Raspberry Pi` string in
+    // the contents of `/sys/firmware/devicetree/base/model` but that doesn't
+    // work inside a container. Match the chipset model number instead.
+    const cpuinfo = fs.readFileSync('/proc/cpuinfo', { encoding: 'utf8' });
+    return /^Hardware\s*:\s*(.*)$/im.exec(cpuinfo)?.[1] === 'BCM2835';
+  } catch {
+    return false;
+  }
+})();
 
 const isDumbTerminal = process.env.TERM === 'dumb';
 
@@ -246,15 +257,10 @@ function platformTimeout(ms) {
   if (isAIX)
     return multipliers.two * ms; // Default localhost speed is slower on AIX
 
-  if (process.arch !== 'arm')
-    return ms;
-
-  const armv = process.config.variables.arm_version;
-
-  if (armv === '7')
-    return multipliers.two * ms;  // ARMv7
+  if (isPi)
+    return multipliers.two * ms;  // Raspberry Pi devices
 
-  return ms; // ARMv8+
+  return ms;
 }
 
 let knownGlobals = [
@@ -790,6 +796,7 @@ const common = {
   isMainThread,
   isOpenBSD,
   isOSX,
+  isPi,
   isSunOS,
   isWindows,
   localIPv6Hosts,

test/pummel/test-crypto-dh-hash-modp18.js

@@ -26,8 +26,8 @@ if (!common.hasCrypto) {
   common.skip('node compiled without OpenSSL.');
 }
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const assert = require('assert');

test/pummel/test-crypto-dh-hash.js

@@ -26,8 +26,8 @@ if (!common.hasCrypto) {
   common.skip('node compiled without OpenSSL.');
 }
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const assert = require('assert');

test/pummel/test-crypto-dh-keys.js

@@ -26,8 +26,8 @@ if (!common.hasCrypto) {
   common.skip('node compiled without OpenSSL.');
 }
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const assert = require('assert');

test/pummel/test-dh-regr.js

@@ -26,8 +26,8 @@ if (!common.hasCrypto) {
   common.skip('missing crypto');
 }
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const assert = require('assert');

test/pummel/test-fs-watch-system-limit.js

@@ -9,8 +9,8 @@ if (!common.isLinux) {
   common.skip('The fs watch limit is OS-dependent');
 }
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 try {

test/pummel/test-hash-seed.js

@@ -3,8 +3,8 @@
 // Check that spawn child doesn't create duplicated entries
 const common = require('../common');
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const kRepetitions = 2;

test/pummel/test-heapsnapshot-near-heap-limit-bounded.js

@@ -2,8 +2,8 @@
 
 const common = require('../common');
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const tmpdir = require('../common/tmpdir');

test/pummel/test-heapsnapshot-near-heap-limit.js

@@ -2,8 +2,8 @@
 
 const common = require('../common');
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const tmpdir = require('../common/tmpdir');

test/pummel/test-net-bytes-per-incoming-chunk-overhead.js

@@ -7,8 +7,8 @@ if (process.config.variables.asan) {
   common.skip('ASAN messes with memory measurements');
 }
 
-if (process.config.variables.arm_version === '7') {
-  common.skip('Too slow for armv7 bots');
+if (common.isPi) {
+  common.skip('Too slow for Raspberry Pi devices');
 }
 
 const assert = require('assert');