Add diegorusso-aarch64-bigmem worker

This worker avoids builds to be started between 10pm and 2am. They will
be scheduled at 2am.

master/custom/builders.py

@@ -8,6 +8,7 @@
     FedoraRawhideFreedthreadingBuild,
     UnixAsanBuild,
     UnixAsanDebugBuild,
+    UnixBigmemBuild,
     UnixTraceRefsBuild,
     UnixVintageParserBuild,
     UnixRefleakBuild,
@@ -125,6 +126,8 @@
     ("aarch64 RHEL8 LTO", "cstratak-RHEL8-aarch64", LTONonDebugUnixBuild),
     ("aarch64 RHEL8 LTO + PGO", "cstratak-RHEL8-aarch64", LTOPGONonDebugBuild),
 
+    ("aarch64 Ubuntu 22.04 BigMem", "diegorusso-aarch64-bigmem", UnixBigmemBuild),
+
     # macOS aarch64 clang
     ("ARM64 macOS", "pablogsal-macos-m1", MacOSArmWithBrewBuild),
     ("ARM64 MacOS M1 NoGIL", "itamaro-macos-arm64-aws", MacOSArmWithBrewNoGilBuild),

master/custom/factories.py

@@ -264,6 +264,12 @@ class UnixBuildWithoutDocStrings(UnixBuild):
     configureFlags = ["--with-pydebug", "--without-doc-strings"]
 
 
+class UnixBigmemBuild(UnixBuild):
+    buildersuffix = ".bigmem"
+    testFlags = ["-M60g", "-j4", "-uall,extralargefile"]
+    factory_tags = ["aarch64", "bigmem"]
+
+
 class AIXBuild(UnixBuild):
     configureFlags = [
         "--with-pydebug",

master/custom/workers.py

@@ -144,6 +144,12 @@ def get_workers(settings):
             tags=['linux', 'unix', 'rhel', 'arm', 'arm64', 'aarch64'],
             parallel_tests=40,
         ),
+        cpw(
+            name="diegorusso-aarch64-bigmem",
+            tags=['linux', 'unix', 'ubuntu', 'arm', 'arm64', 'aarch64', 'bigmem'],
+            not_branches=['3.9', '3.10', '3.11', '3.12', '3.13'],
+            parallel_tests=60,
+        ),
         cpw(
             name="cstratak-rhel8-s390x",
             tags=['linux', 'unix', 'rhel', 's390x'],

master/master.cfg

@@ -14,7 +14,7 @@ import os
 import subprocess
 import sys
 
-from datetime import timedelta
+from datetime import timedelta, datetime
 from functools import partial
 
 from buildbot.plugins import reporters, schedulers, util
@@ -288,6 +288,24 @@ for branch_num, (git_url, branchname, git_branch) in enumerate(git_branches):
 stable_pull_request_builders = []
 all_pull_request_builders = []
 
+# Avoid a build to be started between start and end time and delay such build
+# at end time
+def no_builds_between(start, end):
+    def f(builder, requests):
+        now = datetime.now()
+        if start <= now.hour < end:
+            # Calculate the delay until end time
+            delay = ((end - now.hour) % 24) * 3600 - now.minute * 60 - now.second
+            builder.master.reactor.callLater(
+                delay,
+                builder.buildset_manager.submitBuildSet,
+                requests[0]
+            )
+            return None  # Do not start the build immediately
+        return requests[0]  # Start the next build request
+    return f
+
+
 for name, worker_name, buildfactory, stability, tier in BUILDERS:
     if "Windows XP" in name or "VS9.0" in name:
         continue
@@ -315,18 +333,24 @@ for name, worker_name, buildfactory, stability, tier in BUILDERS:
     tags = ["PullRequest", stability, *getattr(f, "tags", [])]
     if tier:
         tags.append(tier)
-    c["builders"].append(
-        util.BuilderConfig(
-            name=buildername,
-            workernames=[worker_name],
-            builddir="%s.%s%s"
-            % ("pull_request", worker_name, getattr(f, "buildersuffix", "")),
-            factory=f,
-            tags=tags,
-            locks=[cpulock.access("counting")],
-        )
+
+    builder = util.BuilderConfig(
+        name=buildername,
+        workernames=[worker_name],
+        builddir="%s.%s%s"
+        % ("pull_request", worker_name, getattr(f, "buildersuffix", "")),
+        factory=f,
+        tags=tags,
+        locks=[cpulock.access("counting")],
     )
 
+    # This worker runs pyperformance at 12am. If a build is scheduled between
+    # 10pm and 2am, it will be delayed at 2am.
+    if worker_name == "diegorusso-aarch64-bigmem":
+        builder.nextBuild = no_builds_between(22, 2)
+
+    c["builders"].append(builder)
+
 c["schedulers"].append(
     GitHubPrScheduler(
         name="pull-request-scheduler",