Re: [PATCH v1] arm64: defconfig: Enable Ftrace and STM configs

[Jinlong Mao]

On 2024/9/20 16:10, Dmitry Baryshkov wrote:
> On Fri, 20 Sept 2024 at 09:59, Mao Jinlong <quic_jinlmao@xxxxxxxxxxx> wrote:
> > Ftrace logs can be captured by STM over TMC sink path. We can enable
> > ftrace logs along with HW trace of coresight component. The timestamp
> > of ftrace logs and hw traces will be in sync which helps to debug.
>
> You are describing what can be done. Please describe why this is
> necessary and what is actually being done. See
> Documentation/process/submitting-patches.rst. The "why" part is the
> most important.
Thanks for the review. I will update in next version.
> > Signed-off-by: Mao Jinlong <quic_jinlmao@xxxxxxxxxxx>
> > ---
> >   arch/arm64/configs/defconfig | 8 +++++++-
> >   1 file changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > index 4a3999eefa67..c0a56e58e554 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -1554,6 +1554,12 @@ CONFIG_NVMEM_SNVS_LPGPR=y
> >   CONFIG_NVMEM_SPMI_SDAM=m
> >   CONFIG_NVMEM_SUNXI_SID=y
> >   CONFIG_NVMEM_UNIPHIER_EFUSE=y
> > +CONFIG_STM_PROTO_BASIC=m
> > +CONFIG_STM_PROTO_SYS_T=m
> > +CONFIG_STM_DUMMY=m
> > +CONFIG_STM_SOURCE_CONSOLE=m
> > +CONFIG_STM_SOURCE_HEARTBEAT=m
> > +CONFIG_STM_SOURCE_FTRACE=m
> >   CONFIG_FPGA=y
> >   CONFIG_FPGA_MGR_ALTERA_CVP=m
> >   CONFIG_FPGA_MGR_STRATIX10_SOC=m
> > @@ -1663,7 +1669,7 @@ CONFIG_DEBUG_INFO_REDUCED=y
> >   CONFIG_MAGIC_SYSRQ=y
> >   CONFIG_DEBUG_FS=y
> >   # CONFIG_SCHED_DEBUG is not set
> > -# CONFIG_FTRACE is not set
> > +CONFIG_FTRACE=y
> >   CONFIG_CORESIGHT=m
> >   CONFIG_CORESIGHT_LINK_AND_SINK_TMC=m
> >   CONFIG_CORESIGHT_CATU=m
> > --
> > 2.46.0