[Simh] DECwindows issues

[Hans Hübner]

Hi Matt,

2018-07-20 20:26 GMT-04:00 Mark Pizzolato <Mark at infocomm.com>:

> On Friday, July 20, 2018 3:45 PM, Hans Hübner  wrote:
> > 2018-07-20 18:28 GMT-04:00 Matt Burke <matt at 9track.net>:
> > > On 19/07/2018 06:41, Hans Hübner wrote:
> > > > I see either one of the DECwindows processes (window or session
> > > > manager) use more than 50% of the VAX CPU or, if I kill both
> > > > processes, the emulator taking up 100% of its host CPU with no VAX
> > > > process showing up in MONITOR PROC/TOPCPU.  The emulated system is
> too
> > > > slow to be used, effectively.
> > >
> > > I don't seem to be able to reproduce this (on Debian 9.5).
> >
> > I'm running SIMH on FreeBSD, but I can switch if the problem is related
> to that.
>
> It might be related to the host OS.
>
> Please let it get to the state you're complaining about and then:
> ^E
> sim> SHOW VERSION
> sim> CLOCK
> sim> SHOW CPU
>
> and send the output produced back here.
>

Here you go:

sim> show version
VAXStation 3900 (KA655) simulator V4.0-0 Current
    Simulator Framework Capabilities:
        64b data
        64b addresses
        Threaded Ethernet Packet transports:PCAP:TAP:NAT:UDP
        Idle/Throttling support is available
        Virtual Hard Disk (VHD) support
        Asynchronous I/O support (Lock free asynchronous event queue)
        Asynchronous Clock support
        FrontPanel API Version 12
    Host Platform:
        Compiler: GCC 6.4.0
        Simulator Compiled as C arch: x64 (Release Build) on Jul 18 2018 at
07:32:15
        Memory Access: Little Endian
        Memory Pointer Size: 64 bits
        Large File (>2GB) support
        SDL Video support: SDL Version 2.0.7
        PCRE RegEx (Version 8.42 2018-03-20) support for EXPECT commands
        OS clock resolution: 1ms
        Time taken by msleep(1): 20ms
        OS: FreeBSD vaxhost 11.2-RELEASE FreeBSD 11.2-RELEASE #0 r335510:
Fri Jun 22 04:32:14 UTC 2018
root at releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC
amd64
        git commit id: 15fd71b9
        git commit time: 2018-07-17T22:05:05-0700
sim> show clock
Minimum Host Sleep Time:       20 ms (50Hz)
Host Clock Resolution:         1 ms
Execution Rate:                1,358,783,530 cycles/sec
Idling:                        Enabled
Time before Idling starts:     20 seconds
Calibrated Timer:              Internal Timer
Catchup Ticks:                 Enabled for clocks ticking faster than 50 Hz
Calibration:                   Always

VAXStation 3900 (KA655) clock device is CLK
Calibrated Timer 0:
  Running at:                100 Hz
  Tick Size:                 10 msecs
  Ticks in current second:   82
  Seconds Running:           80 (1:20 minutes)
  Real Time:                 3144059812
  Virtual Time:              3144059812
  Next Interval:             1,000
  Base Tick Delay:           5,000
  Initial Insts Per Tick:    5,000
  Current Insts Per Tick:    13,587,835
  Initializations:           5
  Ticks:                     6,795
  Total Ticks:               8,082
  Peak Clock Skew:           825.867 msecs slow
  Ticks Acked:               6,795
  Tick Time:                 1:07.95 minutes
  Total Tick Time:           1:20.81 minutes
  Catchup Ticks Sched:       6,065
  Initialize Base Time:      07:53:37.188
  Tick Start Time:           07:53:37.196
  Wall Clock Time Now:       07:55:35.790
  Catchup Tick Time:         07:54:56.606
  Catchup Base Time:         07:53:48.656
  Total Time Idled:          2.439 seconds
VAXStation 3900 (KA655) clock device is Internal Calibrated Timer(INT-TIMER)
Calibrated Timer 8:
  Running at:                10 Hz
  Tick Size:                 100 msecs
  Ticks in current second:   6
  Seconds Running:           23 (23 seconds)
  Calibration Opportunities: 23
  Instruction Time:          1570864774
  Real Time:                 3144081177
  Virtual Time:              3144082804
  Next Interval:             1,500
  Base Tick Delay:           90,585,569
  Initial Insts Per Tick:    50,000
  Current Insts Per Tick:    135,878,353
  Initializations:           3
  Ticks:                     235
  Tick Time:                 23.5 seconds
  Initialize Base Time:      07:53:37.180
  Tick Start Time:           07:53:37.180
  Wall Clock Time Now:       07:55:35.790
sim> show cpu
CPU idle=VMS, idle enabled, model=MicroVAX 3900 (KA655), NOAUTOBOOT
64MB, HALT to SIMH

Thanks!
Hans
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