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Intel(R) Platform Resource Manager is a suite of software package to help cluster owner to safely co-locate best-efforts jobs with latency-critical jobs in a cluster.

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Platform Resource Manager

Platform Resource Manager is a suite of software package to help cluster owner to safely co-locate best-efforts jobs with latency-critical jobs in a cluster. It provides an analyze tool to build model for platform resource contention detection. Also it provides an agent to monitor and control platform resources (CPU Cycle, Last Level Cache, Memory Bandwidth, etc.. ) in a node.

Requirements

  • Python 3.6.x
  • Python lib: numpy, pandas, scipy, scikit-learn, docker, prometheus-client
  • Golang compiler
  • gcc
  • git
  • Docker

Environment Setup

Assuming all requirements are installed and configured properly, following steps are needed to setup a working environment.

Install intel-cmt-cat tool

 git clone https://github.com/intel/intel-cmt-cat
 cd intel-cmt-cat
 make
 sudo make install

Build Platform Resource Manager

 git clone https://github.com/intel/platform-resource-manager
 cd platform-resource-manager
 ./setup.sh
 cd eris

Prepare workload configuration file

In order to use resource manager tool, user need to provide a workload configuration CSV file in advance. Each row in file describes name, id, type (BE, LC), request CPU count of one task (Container). Following example file demonstrate the format of file

CID,CNAME,TYPE,CPUS
aae649c89423,cassandra_workload,LC,10
a329d2f81064,django_workload,LC,8
dad9db5f267d,memcache_workload_1,LC,2
932dd3f0d648,stress-ng,BE,2
8559c3d2a864,tensorflow_training,BE,1

Command Line Arguments

eris agent command line arguments summary

usage: eris.py [-h] [-v] [-g] [-d] [-c] [-r] [-i] [-e] [-n] [-p]
               [-u UTIL_INTERVAL] [-m METRIC_INTERVAL] [-l LLC_CYCLES]
               [-q QUOTA_CYCLES] [-k MARGIN_RATIO] [-t THRESH_FILE]
               workload_conf_file

eris agent monitor container CPU utilization and platform metrics, detect
potential resource contention and regulate best-efforts tasks resource usages

positional arguments:
  workload_conf_file    workload configuration file describes each task name,
                        type, id, request cpu count

optional arguments:
  -h, --help            show this help message and exit
  -v, --verbose         increase output verbosity
  -g, --collect-metrics
                        collect platform performance metrics (CPI, MPKI,
                        etc..)
  -d, --detect          detect resource contention between containers
  -c, --control         regulate best-efforts task resource usages
  -r, --record          record container CPU utilizaton and platform metrics
                        in csv file
  -i, --key-cid         use container id in workload configuration file as key
                        id
  -e, --enable-hold     keep container resource usage in current level while
                        the usage is close but not exceed throttle threshold
  -n, --disable-cat     disable CAT control while in resource regulation
  -p, --enable_prometheus
                        allow eris send metrics to prometheus
  -u UTIL_INTERVAL, --util-interval UTIL_INTERVAL
                        CPU utilization monitor interval
  -m METRIC_INTERVAL, --metric-interval METRIC_INTERVAL
                        platform metrics monitor interval
  -l LLC_CYCLES, --llc-cycles LLC_CYCLES
                        cycle number in LLC controller
  -q QUOTA_CYCLES, --quota-cycles QUOTA_CYCLES
                        cycle number in CPU CFS quota controller
  -k MARGIN_RATIO, --margin-ratio MARGIN_RATIO
                        margin ratio related to one logical processor used in
                        CPU cycle regulation
  -t THRESH_FILE, --thresh-file THRESH_FILE
                        threshold model file build from analyze.py tool

analyze tool command line arguments

usage: analyze.py [-h] [-v] [-t THRESH]
                  [-f {quartile,normal,gmm-strict,gmm-normal}]
                  [-m METRIC_FILE]
                  workload_conf_file

This tool analyzes CPU utilization and platform metrics collected from eris
agent and build data model for contention detect and resource regulation.

positional arguments:
  workload_conf_file    workload configuration file describes each task name,
                        type, id, request cpu count

optional arguments:
  -h, --help            show this help message and exit
  -v, --verbose         increase output verbosity
  -t THRESH, --thresh THRESH
                        threshold used in outlier detection
  -f {quartile,normal,gmm-strict,gmm-normal}, --fense-type {quartile,normal,gmm-strict,gmm-normal}
                        fense type used in outlier detection
  -m METRIC_FILE, --metric-file METRIC_FILE
                        metrics file collected from eris agent

Typical Usage

Step 1 - Run latency critical tasks and stress workloads on one node, the CPU utilization will be recorded in util.csv and platform metrics will be recorded in metrics.csv

sudo python eris.py --collect-metrics --record wl.csv

Step 2 - Analyze data collected from eris agent, build data model for resource contention detection and regulation. Model file thresh.csv, tdp_thresh.csv and lcmax.txt will be generated.

sudo python analyze.py wl.csv

Step 3 - Add best-efforts task to node, restart monitor and detect potential resource contention

sudo python eris.py --collect-metrics --record --detect wl.csv

optionally, user can enable resource regulation on best-efforts tasks as well

sudo python eris.py --collect-metrics --record --detect --control wl.csv

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Intel(R) Platform Resource Manager is a suite of software package to help cluster owner to safely co-locate best-efforts jobs with latency-critical jobs in a cluster.

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