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From: Athira Rajeev <atrajeev@linux.ibm.com>
To: maddy@linux.ibm.com, linuxppc-dev@lists.ozlabs.org
Cc: acme@kernel.org, jolsa@kernel.org, adrian.hunter@intel.com,
	irogers@google.com, namhyung@kernel.org,
	linux-perf-users@vger.kernel.org, aboorvad@linux.ibm.com,
	sshegde@linux.ibm.com, atrajeev@linux.ibm.com,
	hbathini@linux.vnet.ibm.com, Aditya.Bodkhe1@ibm.com,
	venkat88@linux.ibm.com, Tejas.Manhas1@ibm.com,
	Kajol Jain <kjain@linux.ibm.com>
Subject: [PATCH V2 3/7] docs: ABI: sysfs-bus-event_source-devices-vpa-dtl: Document sysfs event format entries for vpa_dtl pmu
Date: Mon, 15 Sep 2025 12:52:20 +0530	[thread overview]
Message-ID: <20250915072224.98958-4-atrajeev@linux.ibm.com> (raw)
In-Reply-To: <20250915072224.98958-1-atrajeev@linux.ibm.com>

From: Kajol Jain <kjain@linux.ibm.com>

Details are added for the vpa_dtl pmu event and format
attributes in the ABI documentation.

Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
---
 .../sysfs-bus-event_source-devices-vpa-dtl    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl

diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl
new file mode 100644
index 000000000000..7b7c789a5cf5
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl
@@ -0,0 +1,25 @@
+What:           /sys/bus/event_source/devices/vpa_dtl/format
+Date:           February 2025
+Contact:        Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org>
+Description:    Read-only. Attribute group to describe the magic bits
+                that go into perf_event_attr.config for a particular pmu.
+                (See ABI/testing/sysfs-bus-event_source-devices-format).
+
+                Each attribute under this group defines a bit range of the
+                perf_event_attr.config. Supported attribute are listed
+                below::
+
+				event  = "config:0-7"  - event ID
+
+		For example::
+
+		  dtl_cede = "event=0x1"
+
+What:           /sys/bus/event_source/devices/vpa_dtl/events
+Date:           February 2025
+Contact:        Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org>
+Description:	(RO) Attribute group to describe performance monitoring events
+                for the Virtual Processor Dispatch Trace Log. Each attribute in
+		this group describes a single performance monitoring event
+		supported by vpa_dtl pmu.  The name of the file is the name of
+		the event (See ABI/testing/sysfs-bus-event_source-devices-events).
-- 
2.47.1



  parent reply	other threads:[~2025-09-15  7:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-15  7:22 [PATCH V2 0/7] Add interface to expose vpa dtl counters via Athira Rajeev
2025-09-15  7:22 ` [PATCH V2 1/7] powerpc/time: Expose boot_tb via accessor Athira Rajeev
2025-09-15  7:22 ` [PATCH V2 2/7] powerpc/vpa_dtl: Add interface to expose vpa dtl counters via perf Athira Rajeev
2025-09-15  7:22 ` Athira Rajeev [this message]
2025-09-15  7:22 ` [PATCH V2 4/7] powerpc/perf/vpa-dtl: Add support to setup and free aux buffer for capturing DTL data Athira Rajeev
2025-09-15  7:22 ` [PATCH V2 5/7] powerpc/perf/vpa-dtl: Add support to capture DTL data in aux buffer Athira Rajeev
2025-09-15  7:22 ` [PATCH V2 6/7] powerpc/perf/vpa-dtl: Handle the writing of perf record when aux wake up is needed Athira Rajeev
2025-09-15  7:22 ` [PATCH V2 7/7] powerpc/perf/vpa-dtl: Add documentation for VPA dispatch trace log PMU Athira Rajeev

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