Difference between revisions of "Boot Speed"
From coreboot
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== coreboot itself == | == coreboot itself == | ||
* Make serial output the minimum amount of messages,because printing to the serial console slows boot a lot | * Make serial output the minimum amount of messages,because printing to the serial console slows boot a lot | ||
| − | + | Set the default console level to EMERG in "Console --->" in "make menuconfig" | |
| − | Set the default console level to EMERG in Console ---> in make menuconfig | + | |
Default console log level (0: EMERG) ---> | Default console log level (0: EMERG) ---> | ||
* Do not delay boot with a bootsplash | * Do not delay boot with a bootsplash | ||
Revision as of 18:02, 23 September 2012
This page is work in progress!
Please enter boot speed measurements from your coreboot systems here...
Contents |
coreboot boot speed measurements and statistics
| Vendor | Mainboard | CPU | RAM | LB version | Power-on to CB | CB to Bootloader | Bootloader to Linux console | Notes and comments |
|---|---|---|---|---|---|---|---|---|
| — | QEMU 0.8.2 | — | v3 | xxxx s | yyyy s | zzzz s | Comments. | |
| v2 |
Tips to improve boot speed
coreboot itself
- Make serial output the minimum amount of messages,because printing to the serial console slows boot a lot
Set the default console level to EMERG in "Console --->" in "make menuconfig"
Default console log level (0: EMERG) --->
- Do not delay boot with a bootsplash
- Also the VGA option rom may delay the boot(but removing it removes the graphics not only during boot in some cases)
Payloads
FILO
Etherboot
Linux kernel
...
