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preboot.log entry without explanation, and boot6-to-CLOVERX64.efi delay


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I am making a minimal Clover build for the fastest boot possible with the boot6 file in legacy mode.

While looking at the preboot.log, I noticed that there is a line without explanation (at 0:892). Apparently, whatever it is, the execution time of it is close to 2 seconds, more than 55% of the total logged boot time in the current configuration. This does not change whether I use USB 2 or USB 3 port.

 

  1. Is there a way to eliminate or speed up the above?
  2. Also, is there anything else you can suggest to improve the performance based on the below log file?
  3. Which moment in the boot process corresponds to the start time in preboot.log?

 

The last thing I would like to understand is the delay/timeout after the boot6 file has loaded, and the number 6 disappears from the screen. For about 2 seconds or slightly less, I can press any key, and then it will enter the BIOS-like interface from the boot6 file. Without further knowledge, it seems like those 2 seconds are just delay time, and only after that is CLOVERX64.efi actually started, which, I presume, is approximately when the preboot.log timer starts. So, if the aforementioned is correct, can I get rid of this delay as well? Note that I am using the boot1f32 file to chain-load boot6, which does not include the initial 2-second wait period for a keypress.

 

=== preboot.log ===

0:100  0:100  MemLog inited, TSC freq: 2394459554
0:100  0:000  CPU was calibrated with ACPI PM Timer
0:100  0:000  LegacyRegion2: Chipset/proc: 0x0A048086
0:100  0:000   Next Generation Core processors (PAM 0x80-0x86)
0:100  0:000   Test PAM1=(0x41=90, 0x5a=90, 0x81=11, 0x91=00) at chipset 0A048086
0:100  0:000  , Install = Success
0:112  0:012  BiosVideoDriverBindingStart!
0:112  0:000  BiosVideoCheckForVbe
0:112  0:000  EdidOverride not found
0:121  0:009   Edid1+
0:121  0:000   found Detail Timing 1920x1080
0:121  0:000  timing string after 0xFE:AUO
         
0:121  0:000  timing string after 0xFE:B156HAN01.2 

0:122  0:000     0 1280x1024 attr=9B - ok, edid-
0:122  0:000     1 1024x768 attr=9B - ok, edid-, 1024x768, working, highest, pref=1
0:122  0:000     2 640x480 attr=9B - ok, edid-, 640x480, working
0:122  0:000     3 800x600 attr=9B - ok, edid-, 800x600, working
0:123  0:000     4 1920x1080 attr=9B - ok, edid+, working, highest, pref=4
0:123  0:000  BV new mode: 4 1920x1080
0:398  0:275   SetMode pref 4 (4) = Success
0:892  0:493  VGA Pci.Hdr.Command=6 - not enabled
2:623  1:731  
2:623  0:000  Now is 21.02.2020,  13:03:21 (GMT)
2:623  0:000  Starting Clover revision: 5103 (master, commit 3f3b85da0) on CLOVER EFI
2:623  0:000  Build with: [Args: -D NO_GRUB_DRIVERS_EMBEDDED -t GCC53 | -D NO_GRUB_DRIVERS_EMBEDDED --conf=/Users/sergey/src/CloverHackyColor/Conf -D USE_LOW_EBDA -a X64 -b RELEASE -t GCC53 -n 5 | OS: 10.14.6]
2:623  0:000  SelfDevicePath=PcieRoot(0x0)\Pci(0x1D,0x0)\USB(0x0,0x0)\USB(0x4,0x0)\HD(1,MBR,0x04944021,0x3F,0x3BC1042) @940C9698
2:623  0:000  SelfDirPath = \EFI\CLOVER
2:623  0:000  SimpleTextEx Status=Success
2:623  0:000  === [ Get Smbios ] ========================================
2:623  0:000  Type 16 Index = 0
2:623  0:000  Total Memory Slots Count = 2
2:623  0:000  Type 17 Index = 0
2:623  0:000  SmbiosTable.Type17->Speed = 1600MHz
2:623  0:000  SmbiosTable.Type17->Size = 4096MB
2:623  0:000  SmbiosTable.Type17->Bank/Device = BANK 0 DIMM0
2:623  0:000  SmbiosTable.Type17->Vendor = Hynix
2:623  0:000  SmbiosTable.Type17->SerialNumber = 00000000
2:623  0:000  SmbiosTable.Type17->PartNumber = HMT451S6MFR6A-PB  
2:623  0:000  Type 17 Index = 1
2:623  0:000  SmbiosTable.Type17->Speed = 1600MHz
2:623  0:000  SmbiosTable.Type17->Size = 8192MB
2:623  0:000  SmbiosTable.Type17->Bank/Device = BANK 2 DIMM1
2:623  0:000  SmbiosTable.Type17->Vendor = Kingston
2:623  0:000  SmbiosTable.Type17->SerialNumber = 5A060A8A
2:623  0:000  SmbiosTable.Type17->PartNumber = KHX1600C9S3L/8G   
2:623  0:000  Boot status=0
2:623  0:000  Running on: 'Aspire V5-573G' with board 'Dazzle_HW'
2:623  0:000  === [ GetCPUProperties ] ==================================
2:623  0:000  CPU Vendor = 756E6547 Model=40651
2:623  0:000   The CPU supported SSE4.1
2:623  0:000  BrandString = Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz
2:623  0:000   The CPU supported turbo
2:623  0:000  MSR 0x35               20004
2:623  0:000  MSR 0xE2 before patch 1E008405
2:623  0:000  MSR 0xE2 is locked, PM patches will be turned on
2:623  0:000  MSR 0xCE              0008083D_F3011800
2:623  0:000  corrected FLEX_RATIO = 0
2:623  0:000  MSR 0x1B0             00000000
2:623  0:000  FSBFrequency = 71 MHz, DMI FSBFrequency = 100 MHz, Corrected FSBFrequency = 100 MHz
2:623  0:000  MaxDiv/MinDiv: 24.0/8
2:623  0:000  Turbo: 27/27/27/30
2:623  0:000  Features: 0xBFEBFBFF
2:623  0:000  Threads: 4
2:623  0:000  Cores: 2
2:623  0:000  FSB: 100 MHz
2:623  0:000  CPU: 1700 MHz
2:623  0:000  TSC: 1700 MHz
2:623  0:000  PIS: 100 MHz
2:623  0:000  ExternalClock: 25 MHz
2:623  0:000  === [ GetDevices ] ========================================
2:623  0:000  GOP found at: PcieRoot(0x0)/Pci(0x2,0x0)/AcpiAdr(0x80010100)
2:623  0:000  PCI (00|00:00.00) : 8086 0A04 class=060000
2:623  0:000  PCI (00|00:02.00) : 8086 0A16 class=030000
2:623  0:000   - GOP: Provided by device
2:623  0:000   - GFX: Model=Intel HD Graphics 4400 (Intel)
2:623  0:000  PCI (00|00:03.00) : 8086 0A0C class=040300
2:623  0:000  PCI (00|00:14.00) : 8086 9C31 class=0C0330
2:623  0:000  PCI (00|00:16.00) : 8086 9C3A class=078000
2:623  0:000  PCI (00|00:1B.00) : 8086 9C20 class=040300
2:623  0:000  PCI (00|00:1C.00) : 8086 9C10 class=060400
2:623  0:000  PCI (00|00:1C.02) : 8086 9C14 class=060400
2:623  0:000  PCI (00|04:00.00) : 168C 0034 class=028000
2:623  0:000   - WIFI: Vendor=Atheros
2:623  0:000  PCI (00|00:1C.03) : 8086 9C16 class=060400
2:623  0:000  PCI (00|05:00.00) : 10EC 5287 class=FF0000
2:623  0:000  PCI (00|05:00.01) : 10EC 8168 class=020000
2:623  0:000   - LAN: 0 Vendor=Realtek
2:623  0:000  PCI (00|00:1C.04) : 8086 9C18 class=060400
2:624  0:000  PCI (00|01:00.00) : 10DE 0FE4 class=030200
2:624  0:000  PCI (00|00:1D.00) : 8086 9C26 class=0C0320
2:624  0:000  PCI (00|00:1F.00) : 8086 9C43 class=060100
2:624  0:000  PCI (00|00:1F.02) : 8086 9C03 class=010601
2:624  0:000  PCI (00|00:1F.03) : 8086 9C22 class=0C0500
2:624  0:000  === [ GetDefaultSettings ] ================================
2:624  0:000  Clover load options size = 0 bytes
2:624  0:000  CheckOEMPathExists tried EFI\CLOVER\OEM\Aspire V5-573G--00-00-00-00-00-00. Dir not exists
2:624  0:000  CheckOEMPathExists tried EFI\CLOVER\OEM\Aspire V5-573G. Dir not exists
2:624  0:000  CheckOEMPathExists tried EFI\CLOVER\OEM\Aspire V5-573G-1700. Dir not exists
2:624  0:000  CheckOEMPathExists tried EFI\CLOVER\OEM\Dazzle_HW. Dir not exists
2:624  0:000  CheckOEMPathExists tried EFI\CLOVER\OEM\Dazzle_HW-1700. Dir not exists
2:624  0:000  set OEMPath by default: EFI\CLOVER
2:637  0:012  EFI\CLOVER\config.plist loaded: Success
2:637  0:000  === [ GetListOfThemes ] ===================================
2:637  0:000  === [ Found config plists ] ===============================
2:637  0:000  - config.plist
2:637  0:000  === [ GetEarlyUserSettings ] ==============================
2:637  0:000  timeout set to 0
2:637  0:000  Custom boot CUSTOM_BOOT_DISABLED (0x0)
2:637  0:000  Default theme: embedded
2:637  0:000  === [ LoadDrivers ] =======================================
2:637  0:000  === [ InitScreen ] ========================================
2:637  0:000  Console modes reported: 4, available modes:
2:637  0:000   - [01]: 80x25
2:637  0:000   - [02]: 80x50
2:637  0:000   - [03]: 100x31
2:637  0:000   - [04]: 240x56 (current mode)
2:637  0:000  SetScreenResolution: 1920x1080 - already set
2:637  0:000  SetScreenResolution: 1920x1080 - already set
2:637  0:000  reinit: self device path=PcieRoot(0x0)\Pci(0x1D,0x0)\USB(0x0,0x0)\USB(0x4,0x0)\HD(1,MBR,0x04944021,0x3F,0x3BC1042)
2:637  0:000  === [ GetMacAddress ] =====================================
2:637  0:000  === [ ScanSPD ] ===========================================
2:637  0:000  Scanning SMBus [8086:9C22], mmio: 0xB3619004, ioport: 0x5040, hostc: 0x1
2:656  0:018  Slot: 2 Type 24 8192MB 1600MHz Vendor=Kingston PartNo=KHX1600C9S3L8G SerialNo=050A0006000A080A
2:657  0:000  === [ GetAcpiTablesList ] =================================
2:657  0:000  Get Acpi Tables List from RSDT:
2:657  0:000   - [00]: FACP  ACRPRDCT len=268
2:657  0:000   - [01]: UEFI  ACRPRDCT len=566
2:657  0:000   - [02]: FPDT  ACRPRDCT len=68
2:657  0:000   - [03]: ASF!  ACRPRDCT len=165
2:657  0:000   - [04]: HPET  ACRPRDCT len=56
2:657  0:000   - [05]: APIC  ACRPRDCT len=140
2:657  0:000   - [06]: MCFG  ACRPRDCT len=60
2:657  0:000   - [07]: BOOT  ACRPRDCT len=40
2:657  0:000   - [08]: LPIT  ACRPRDCT len=148
2:657  0:000   - [09]: ASPT  ACRPRDCT len=52
2:657  0:000   - [10]: DBGP  ACRPRDCT len=52
2:657  0:000   - [11]: SSDT  ACRPRDCT len=1337
2:657  0:000   - [12]: SSDT  ACRPRDCT len=2776
2:657  0:000   - [13]: SSDT  ACRPRDCT len=12013
2:657  0:000   - [14]: SSDT  ACRPRDCT len=11433
2:657  0:000   - [15]: SSDT  ACRPRDCT len=2230
2:657  0:000  Calibrated TSC Frequency = 2394459554 = 2394MHz
2:657  0:000  === [ GetUserSettings ] ===================================
2:657  0:000  === [ Found DSDT tables ] =================================
2:657  0:000  === [ ScanVolumes ] =======================================
2:657  0:000  Found 8 volumes with blockIO
2:657  0:000  - [00]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)
2:659  0:001          Result of bootcode detection: bootable Linux (grub,linux)
2:659  0:000  - [01]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x1,0x0,0x0)
2:660  0:001          Result of bootcode detection: bootable unknown (legacy)
2:660  0:000  - [02]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(1,GPT,8017BD66-1E24-4B31-8E09-BC49BECD6CC4,0x800,0x21330000)
2:661  0:001          Result of bootcode detection: bootable Windows (vista,win)
2:661  0:000  - [03]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(2,GPT,82F3B738-65E9-458E-B2F1-BB55D4F00885,0x21331000,0x3D0800)
2:663  0:001  - [04]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(3,GPT,E701DCD8-E3C5-4BFA-B61B-BFF4D80153FD,0x21701800,0x18C4F000)
2:664  0:001  - [05]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(4,GPT,4DB1239A-A9D7-4045-A162-7EF1B3A5913B,0x3A350C21,0x3A3B616E)
2:665  0:001          Result of bootcode detection: bootable Windows (vista,win)
2:665  0:000  - [06]: Volume: PcieRoot(0x0)\Pci(0x1D,0x0)\USB(0x0,0x0)\USB(0x4,0x0)
2:677  0:011          Result of bootcode detection: bootable unknown (legacy)
2:677  0:000          USB volume
2:677  0:000          USB volume
2:677  0:000  - [07]: Volume: PcieRoot(0x0)\Pci(0x1D,0x0)\USB(0x0,0x0)\USB(0x4,0x0)\HD(1,MBR,0x04944021,0x3F,0x3BC1042)
2:688  0:011          Result of bootcode detection: bootable unknown (legacy)
2:688  0:000          USB volume
2:688  0:000          USB volume
2:688  0:000          This is SelfVolume !!
2:688  0:000  PutNvramPlistToRtVars: nvram.plist not found
2:689  0:000  No AudioIoProtocols, status=Not Found
2:689  0:000  === [ InitTheme ] =========================================
2:689  0:000  use daylight theme
2:689  0:000   using embedded theme
2:689  0:000  got embedded sound
2:689  0:000    Channels: 2  Sample rate: 8000 Hz  Bits: 16
2:689  0:000  output to channel 0 with volume 70, len=25600
2:689  0:000   sound channels=2 bits=16 freq=8000
2:689  0:000  sound converted to 48kHz
2:689  0:000  not found AudioIo to play
2:689  0:000  sound play end with status=Not Found
2:690  0:001  Using embedded font: Success
2:691  0:000  theme inited
2:691  0:000  Chosen embedded theme
2:691  0:000  after NVRAM boot-args=
2:691  0:000  === [ Dump SMC keys from NVRAM ] ==========================
2:691  0:000  no AppleSMC protocol
2:691  0:000  Entry scan disabled
2:691  0:000  === [ AddCustomTool ] =====================================
2:692  0:000  === [ GetEfiBootDeviceFromNvram ] =========================
2:692  0:000  Default boot entry not found
2:692  0:000  DefaultIndex=-1 and MainMenu.EntryCount=4
2:973  0:281  GUI ready

 

34 minutes ago, apianti said:

No, I doubt you'll get very much faster. This is basically the equivalent of turning on your computer again, it has to build a bunch of stuff to work in EFI from the legacy BIOS interfaces. They are slow and you won't have very fast boot times with legacy.

 

I am using an NVMe drive (for OS) on legacy-only BIOS, and there are no issues with speed, in fact, it is very fast. That is why I am interested in cutting away those seconds.

Aren't all the boot files precompiled, so that the computer or BIOS does not have to build anything?

 

21 minutes ago, Slice said:

2 seconds delay is made for choose between boot6 or boot7 waiting while you press a digit "6" or "7".

It is bootsector boot1f32alt

You may choose boot1f32 without this delay in the Clover Installer.

 

This is not about that. As I explained, I'm already using the boot1f32 file.

Edited by Klaidonis
8 hours ago, Klaidonis said:

I am using an NVMe drive (for OS) on legacy-only BIOS, and there are no issues with speed, in fact, it is very fast. That is why I am interested in cutting away those seconds.

Aren't all the boot files precompiled, so that the computer or BIOS does not have to build anything?

 

There is no way to speed up what is happening there, it is not building the binaries, it is building the firmware structure for EFI by wrapping it around BIOS interfaces, it basically has to load and initialize drivers for all your hardware based on those (which is terrible and slow but the only way to interact with some stuff on legacy machines). The interfaces are what is slow which is why legacy booting is much slower than UEFI. You can't get any faster because that's as fast as legacy can get. Think of it like a little mini OS booting, your computer is basically booting twice, once in legacy mode, and then once in EFI mode. The two second timeout to choose boot6 or boot7 happens before the log is ever initialized so you would never see that in the log, as that is happening in boot6 or boot7, lol.

Thanks for the clarification! What you said about boot6 and boot7, I already knew.

 

So, does it all mean that CLOVERX64.efi is executed immediately after the moment when number 6 disappears from the screen, although you can press any key for about 2 seconds more, thus switching to the BIOS-like interface contained in the boot6 file?

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