From bec6da392d26677194160cb4875f1bc491db27f5 Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@ruby-lang.org>
Date: Sat, 31 Aug 2024 18:49:12 +0900
Subject: merge revision(s) 533423ebe46ebfe3005198c12aa0d2c899c695ea:

	core_assertions.rb: Prefer CPU time clocks

	To prevent influence from other processes.
---
 tool/lib/core_assertions.rb | 22 ++++++++++++++++++++--
 version.h                   |  2 +-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/tool/lib/core_assertions.rb b/tool/lib/core_assertions.rb
index 81faac1e4b..7625412e67 100644
--- a/tool/lib/core_assertions.rb
+++ b/tool/lib/core_assertions.rb
@@ -738,18 +738,36 @@ eom
       end
       alias all_assertions_foreach assert_all_assertions_foreach
 
+      %w[
+        CLOCK_THREAD_CPUTIME_ID CLOCK_PROCESS_CPUTIME_ID
+        CLOCK_MONOTONIC
+      ].find do |clk|
+        if Process.const_defined?(clk)
+          clk = clk.to_sym
+          begin
+            Process.clock_gettime(clk)
+          rescue
+            # Constants may be defined but not implemented, e.g., mingw.
+          else
+            PERFORMANCE_CLOCK = clk
+          end
+        end
+      end
+
       # Expect +seq+ to respond to +first+ and +each+ methods, e.g.,
       # Array, Range, Enumerator::ArithmeticSequence and other
       # Enumerable-s, and each elements should be size factors.
       #
       # :yield: each elements of +seq+.
       def assert_linear_performance(seq, rehearsal: nil, pre: ->(n) {n})
+        pend "No PERFORMANCE_CLOCK found" unless defined?(PERFORMANCE_CLOCK)
+
         # Timeout testing generally doesn't work when RJIT compilation happens.
         rjit_enabled = defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled?
         measure = proc do |arg, message|
-          st = Process.clock_gettime(Process::CLOCK_MONOTONIC)
+          st = Process.clock_gettime(PERFORMANCE_CLOCK)
           yield(*arg)
-          t = (Process.clock_gettime(Process::CLOCK_MONOTONIC) - st)
+          t = (Process.clock_gettime(PERFORMANCE_CLOCK) - st)
           assert_operator 0, :<=, t, message unless rjit_enabled
           t
         end
diff --git a/version.h b/version.h
index 6a5a3d4be0..90446b31f0 100644
--- a/version.h
+++ b/version.h
@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 5
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 217
+#define RUBY_PATCHLEVEL 218
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"
-- 
cgit v1.2.3