Difference between revisions of "Boot Speed"
From coreboot
(→coreboot itself) |
(→coreboot itself) |
||
| Line 47: | Line 47: | ||
== 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 down the 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) ---> | ||
Latest 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 |
[edit] 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 |
[edit] Tips to improve boot speed
[edit] coreboot itself
- Make serial output the minimum amount of messages,because printing to the serial console slows down the 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)
[edit] Payloads
[edit] FILO
[edit] Etherboot
[edit] Linux kernel
...
