From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [PATCH V8 09/10] trace, ras: add ARM processor error trace event Date: Wed, 1 Feb 2017 22:15:44 -0500 Message-ID: <20170201221544.3d8651e5@grimm.local.home> References: <1485969413-23577-1-git-send-email-tbaicar@codeaurora.org> <1485969413-23577-10-git-send-email-tbaicar@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1485969413-23577-10-git-send-email-tbaicar@codeaurora.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Tyler Baicar Cc: linux-efi@vger.kernel.org, kvm@vger.kernel.org, matt@codeblueprint.co.uk, catalin.marinas@arm.com, will.deacon@arm.com, robert.moore@intel.com, paul.gortmaker@windriver.com, lv.zheng@intel.com, kvmarm@lists.cs.columbia.edu, fu.wei@linaro.org, zjzhang@codeaurora.org, linux@armlinux.org.uk, linux-acpi@vger.kernel.org, eun.taik.lee@samsung.com, shijie.huang@arm.com, labbott@redhat.com, lenb@kernel.org, harba@codeaurora.org, john.garry@huawei.com, marc.zyngier@arm.com, punit.agrawal@arm.com, nkaje@codeaurora.org, sandeepa.s.prabhu@gmail.com, linux-arm-kernel@lists.infradead.org, devel@acpica.org, rjw@rjwysocki.net, rruigrok@codeaurora.org, linux-kernel@vger.kernel.org, astone@redhat.com, hanjun.guo@linaro.org, pbonzini@redhat.com, akpm@linux-foundation.org, bristot@redhat.com, shiju.jose@huawei.com List-Id: linux-acpi@vger.kernel.org On Wed, 1 Feb 2017 10:16:52 -0700 Tyler Baicar wrote: > Currently there are trace events for the various RAS > errors with the exception of ARM processor type errors. > Add a new trace event for such errors so that the user > will know when they occur. These trace events are > consistent with the ARM processor error section type > defined in UEFI 2.6 spec section N.2.4.4. > > Signed-off-by: Tyler Baicar > Acked-by: Steven Rostedt > --- > drivers/acpi/apei/ghes.c | 7 ++++++- > drivers/firmware/efi/cper.c | 1 + > drivers/ras/ras.c | 1 + > include/ras/ras_event.h | 34 ++++++++++++++++++++++++++++++++++ > 4 files changed, 42 insertions(+), 1 deletion(-) > > diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c > index a989345..013faf0 100644 > --- a/drivers/acpi/apei/ghes.c > +++ b/drivers/acpi/apei/ghes.c > @@ -512,7 +512,12 @@ static void ghes_do_proc(struct ghes *ghes, > > } > #endif > - else { > + else if (!uuid_le_cmp(sec_type, CPER_SEC_PROC_ARM)) { > + struct cper_sec_proc_arm *arm_err; > + > + arm_err = acpi_hest_generic_data_payload(gdata); > + trace_arm_event(arm_err); According to the kbuild failure, I'm guessing this file requires a: #include -- Steve > + } else { > void *unknown_err = acpi_hest_generic_data_payload(gdata); > trace_unknown_sec_event(&sec_type, > fru_id, fru_text, sec_sev, > diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c > index 48cb8ee..0ec678e 100644 > --- a/drivers/firmware/efi/cper.c > +++ b/drivers/firmware/efi/cper.c > @@ -35,6 +35,7 @@ > #include > #include > #include > +#include > > #define INDENT_SP " " > > diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c > index fb2500b..8ba5a94 100644 > --- a/drivers/ras/ras.c > +++ b/drivers/ras/ras.c > @@ -28,3 +28,4 @@ static int __init ras_init(void) > #endif > EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event); > EXPORT_TRACEPOINT_SYMBOL_GPL(unknown_sec_event); > +EXPORT_TRACEPOINT_SYMBOL_GPL(arm_event); > diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h > index 5861b6f..b36db48 100644 > --- a/include/ras/ras_event.h > +++ b/include/ras/ras_event.h > @@ -162,6 +162,40 @@ > ); > > /* > + * ARM Processor Events Report > + * > + * This event is generated when hardware detects an ARM processor error > + * has occurred. UEFI 2.6 spec section N.2.4.4. > + */ > +TRACE_EVENT(arm_event, > + > + TP_PROTO(const struct cper_sec_proc_arm *proc), > + > + TP_ARGS(proc), > + > + TP_STRUCT__entry( > + __field(u64, mpidr) > + __field(u64, midr) > + __field(u32, running_state) > + __field(u32, psci_state) > + __field(u8, affinity) > + ), > + > + TP_fast_assign( > + __entry->affinity = proc->affinity_level; > + __entry->mpidr = proc->mpidr; > + __entry->midr = proc->midr; > + __entry->running_state = proc->running_state; > + __entry->psci_state = proc->psci_state; > + ), > + > + TP_printk("affinity level: %d; MPIDR: %016llx; MIDR: %016llx; " > + "running state: %d; PSCI state: %d", > + __entry->affinity, __entry->mpidr, __entry->midr, > + __entry->running_state, __entry->psci_state) > +); > + > +/* > * Unknown Section Report > * > * This event is generated when hardware detected a hardware