Each "mon_data" directory is now divided between L3 events and package
events.
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
Documentation/arch/x86/resctrl.rst | 25 ++++++++++++++++---------
1 file changed, 16 insertions(+), 9 deletions(-)
diff --git a/Documentation/arch/x86/resctrl.rst b/Documentation/arch/x86/resctrl.rst
index 6768fc1fad16..0e915b7c55aa 100644
--- a/Documentation/arch/x86/resctrl.rst
+++ b/Documentation/arch/x86/resctrl.rst
@@ -366,15 +366,22 @@ When control is enabled all CTRL_MON groups will also contain:
When monitoring is enabled all MON groups will also contain:
"mon_data":
- This contains a set of files organized by L3 domain and by
- RDT event. E.g. on a system with two L3 domains there will
- be subdirectories "mon_L3_00" and "mon_L3_01". Each of these
- directories have one file per event (e.g. "llc_occupancy",
- "mbm_total_bytes", and "mbm_local_bytes"). In a MON group these
- files provide a read out of the current value of the event for
- all tasks in the group. In CTRL_MON groups these files provide
- the sum for all tasks in the CTRL_MON group and all tasks in
- MON groups. Please see example section for more details on usage.
+ This contains a set of directories, one for each instance
+ of an L3 cache, or of a processor package. The L3 cache
+ directories are named "mon_L3_00", "mon_L3_01" etc. The
+ package directories "mon_PKG_00", "mon_PKG_01" etc.
+
+ Within each directory there is one file per event. In
+ the L3 directories: "llc_occupancy", "mbm_total_bytes",
+ and "mbm_local_bytes". In the PKG directories: "core_energy",
+ "activity", etc.
+
+ In a MON group these files provide a read out of the current
+ value of the event for all tasks in the group. In CTRL_MON groups
+ these files provide the sum for all tasks in the CTRL_MON group
+ and all tasks in MON groups. Please see example section for more
+ details on usage.
+
On systems with Sub-NUMA Cluster (SNC) enabled there are extra
directories for each node (located within the "mon_L3_XX" directory
for the L3 cache they occupy). These are named "mon_sub_L3_YY"
--
2.48.1