From ef65e374dee410ea10f618f8357661f53cf28911 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pawe=C5=82=20Szulik?= Date: Tue, 17 Nov 2020 19:05:51 +0100 Subject: [PATCH] config-linux: Add description of Intel RDT monitoring features (CMT, MBM) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Paweł Szulik --- config-linux.md | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/config-linux.md b/config-linux.md index 1295d0052..d6f724b57 100644 --- a/config-linux.md +++ b/config-linux.md @@ -549,8 +549,12 @@ The following parameters can be specified for the container: * If `closID` is set, and neither of `l3CacheSchema` and `memBwSchema` are set, runtime MUST check if corresponding pre-configured directory `closID` is present in mounted `resctrl`. If such pre-configured directory `closID` exists, runtime MUST assign container to this `closID` and [generate an error](runtime.md#errors) if directory does not exist. -* **`monitoring`** *(boolean OPTIONAL)* - specifies if Intel RDT monitoring features (CMT and MBM) should be enabled - +* **`monitoring`** *(boolean OPTIONAL)* - specifies if Intel RDT monitoring features should be enabled: + * CMT ( Cache Monitoring Technology ) supports monitoring of the last-level cache (LLC) occupancy + for the container. + * MBM ( Memory Bandwidth Monitoring ) supports monitoring of total and local memory bandwidth + for the container. + ### Example Consider a two-socket machine with two L3 caches where the default CBM is 0x7ff and the max CBM length is 11 bits,