diff options
| -rw-r--r-- | process.c | 1 | ||||
| -rw-r--r-- | spec/ruby/core/process/times_spec.rb | 27 |
2 files changed, 1 insertions, 27 deletions
@@ -7836,6 +7836,7 @@ get_clk_tck(void) * Process.times * # => #<struct Process::Tms utime=55.122118, stime=35.533068, cutime=0.0, cstime=0.002846> * + * The precision is platform-defined. */ VALUE diff --git a/spec/ruby/core/process/times_spec.rb b/spec/ruby/core/process/times_spec.rb index 9e16c36b7a..d3bff2cda9 100644 --- a/spec/ruby/core/process/times_spec.rb +++ b/spec/ruby/core/process/times_spec.rb @@ -16,31 +16,4 @@ describe "Process.times" do Process.times.utime.should > user end end - - # TODO: The precision of `getrusage` depends on platforms (OpenBSD - # seems not supporting under-milliseconds in fact); this example is - # very questionable as an example of Ruby, and it just repeats the - # guard condition. - guard -> do - 1000.times.any? do - # If getrusage has precision beyond milliseconds, there will be - # very likely at least one non-zero microsecond results when - # repeating enough. - time = Process.clock_gettime(:GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID, :nanosecond) - not (time % 1_000_000) == 0 - end - rescue Errno::EINVAL - false - end do - it "uses getrusage when available to improve precision beyond milliseconds" do - max = 10_000 - - found = (max * 100).times.find do - time = Process.times.utime - !('%.6f' % time).end_with?('000') - end - - found.should_not == nil - end - end end |