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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /Documentation/ABI/testing/sysfs-devices-system-ibm-rtl
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
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+What: /sys/devices/system/ibm_rtl/state
+Date: Sep 2010
+KernelVersion: 2.6.37
+Contact: Vernon Mauery <vernux@us.ibm.com>
+Description: The state file allows a means by which to change in and
+ out of Premium Real-Time Mode (PRTM), as well as the
+ ability to query the current state.
+
+ - 0 => PRTM off
+ - 1 => PRTM enabled
+
+Users: The ibm-prtm userspace daemon uses this interface.
+
+
+What: /sys/devices/system/ibm_rtl/version
+Date: Sep 2010
+KernelVersion: 2.6.37
+Contact: Vernon Mauery <vernux@us.ibm.com>
+Description: The version file provides a means by which to query
+ the RTL table version that lives in the Extended
+ BIOS Data Area (EBDA).
+Users: The ibm-prtm userspace daemon uses this interface.
+
+