| Message ID | 1476105315-6091-1-git-send-email-pratiyush.srivastava@nxp.com |
|---|---|
| State | Accepted |
| Delegated to: | York Sun |
| Headers | show |
On 10/10/2016 12:36 AM, Pratiyush Srivastava wrote: > Add optimization parameters like "quiet" in bootargs to reduce the system > boot time > > Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@nxp.com> > Signed-off-by: Harninder Rai <harninder.rai@nxp.com> > --- > include/configs/ls1012a_common.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h > index 5fb6c47..a0ef2cd 100644 > --- a/include/configs/ls1012a_common.h > +++ b/include/configs/ls1012a_common.h > @@ -120,7 +120,7 @@ > "console=ttyAMA0,38400n8\0" > > #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/ram0 " \ > - "earlycon=uart8250,mmio,0x21c0500" > + "earlycon=uart8250,mmio,0x21c0500 quiet lpj=250000" > #define CONFIG_BOOTCOMMAND "sf probe 0:0; sf read $kernel_load "\ > "$kernel_start $kernel_size && "\ > "bootm $kernel_load" > How much improvement do you get by using "quiet"? You didn't mention lpj in the commit message. Did you get the number from kernel log? LS1012A is a single core SoC. How much time do you save by setting lpj? York
> > How much improvement do you get by using "quiet"? We see around 3-4 seconds being saved on ls1012 You didn't mention lpj > in the commit message. Did you get the number from kernel log? LS1012A is > a single core SoC. How much time do you save by setting lpj? Yes, we got the number from kernel log. I don't exactly remember how much but I think it was couple of 10's of milliseconds > > York
On 10/10/2016 12:36 AM, Pratiyush Srivastava wrote: > Add optimization parameters like "quiet" in bootargs to reduce the system > boot time > > Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@nxp.com> > Signed-off-by: Harninder Rai <harninder.rai@nxp.com> > --- Applied to fsl-qoriq, awaiting upstream. Thanks. York
diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h index 5fb6c47..a0ef2cd 100644 --- a/include/configs/ls1012a_common.h +++ b/include/configs/ls1012a_common.h @@ -120,7 +120,7 @@ "console=ttyAMA0,38400n8\0" #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/ram0 " \ - "earlycon=uart8250,mmio,0x21c0500" + "earlycon=uart8250,mmio,0x21c0500 quiet lpj=250000" #define CONFIG_BOOTCOMMAND "sf probe 0:0; sf read $kernel_load "\ "$kernel_start $kernel_size && "\ "bootm $kernel_load"