Skip to content

feat(stdout): Add stdout exporter #2068

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Merged
merged 2 commits into from
May 19, 2025
Merged

feat(stdout): Add stdout exporter #2068

merged 2 commits into from
May 19, 2025

Conversation

vimalk78
Copy link
Collaborator

@vimalk78 vimalk78 commented May 15, 2025 •
edited
Loading

  • made logger to write on stderr
  • Added stdout exporter for Node energy/power
  • Added relavant config flags
  • Added tests

sample output:

❯ sudo ./bin/kepler --exporter.stdout
time=2025-05-19T12:26:44.231+05:30 level=INFO source=cmd/kepler/main.go:61 msg="Kepler version information" version=v0.0.5-18-g358af625 buildTime=2025-05-19_06:56:02 gitBranch=stdout-exporter gitCommit=358af625 goVersion=go1.24.1 goOS=linux goArch=amd64

Configuration
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
log:
    level: info
    format: text
host:
    sysfs: /sys
    procfs: /proc
dev:
    fake-cpu-meter:
        enabled: false
        zones: []
enable-pprof: false
rapl:
    zones: []
web:
    configFile: ""
exporter:
    stdout: true

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/initializer.go:31 msg="Initializing service" service=rapl
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/initializer.go:31 msg="Initializing service" service=prometheus
time=2025-05-19T12:26:44.231+05:30 level=INFO source=exporter/prometheus/prometheus.go:140 msg="Initializing Prometheus exporter" service=prometheus
time=2025-05-19T12:26:44.231+05:30 level=INFO source=exporter/prometheus/prometheus.go:147 msg="Enabling debug collector" service=prometheus collector=go
time=2025-05-19T12:26:44.231+05:30 level=INFO source=exporter/prometheus/prometheus.go:152 msg="Enabling collector" service=prometheus collector=build_info
time=2025-05-19T12:26:44.231+05:30 level=INFO source=exporter/prometheus/prometheus.go:152 msg="Enabling collector" service=prometheus collector=power
time=2025-05-19T12:26:44.231+05:30 level=INFO source=exporter/prometheus/prometheus.go:152 msg="Enabling collector" service=prometheus collector=cpu_info
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/initializer.go:31 msg="Initializing service" service=api-server
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/server/server.go:103 msg="Initializing HTTP server" service=api-server listening-on=[:28282]
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/initializer.go:31 msg="Initializing service" service=monitor
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/initializer.go:31 msg="Initializing service" service=stdout
time=2025-05-19T12:26:44.231+05:30 level=INFO source=cmd/kepler/main.go:50 msg="Starting Kepler"
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/run.go:21 msg="Running all services"
time=2025-05-19T12:26:44.231+05:30 level=WARN source=internal/service/run.go:31 msg="skipping service" service=rapl
time=2025-05-19T12:26:44.231+05:30 level=WARN source=internal/service/run.go:31 msg="skipping service" service=prometheus
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/run.go:40 msg="Running service" service=signal-handler
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/run.go:40 msg="Running service" service=monitor
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/service/run.go:40 msg="Running service" service=api-server
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/monitor/monitor.go:108 msg="Monitor is running..." service=monitor
time=2025-05-19T12:26:44.231+05:30 level=INFO source=internal/server/server.go:137 msg="Running HTTP server" service=api-server listening-on=[:28282]
Press Ctrl+C to shutdown
time=2025-05-19T12:26:44.232+05:30 level=INFO source=internal/service/run.go:40 msg="Running service" service=stdout
time=2025-05-19T12:26:44.232+05:30 level=INFO source=internal/monitor/monitor.go:254 msg="Computed power" service=monitor duration=137.186µs
time=2025-05-19T12:26:44.232+05:30 level=INFO source=exporter-toolkit@v0.14.0/web/tls_config.go:347 msg="Listening on" service=api-server address=[::]:28282
time=2025-05-19T12:26:44.232+05:30 level=INFO source=exporter-toolkit@v0.14.0/web/tls_config.go:350 msg="TLS is disabled." service=api-server http2=false address=[::]:28282
time=2025-05-19T12:26:46.233+05:30 level=INFO source=internal/monitor/monitor.go:254 msg="Computed power" service=monitor duration=441.464µs
Kepler Node Power
┌─────────┬─────────────┬─────────────┬────────────────┐
│  ZONE   │ DELTA ( W ) │ POWER ( W ) │ ABSOLUTE ( J ) │
├─────────┼─────────────┼─────────────┼────────────────┤
│    core │       4.75J │       2.37W │     110858.62J │
│ package │       7.43J │       3.71W │     127735.34J │
│    psys │      24.95J │      12.47W │     130272.99J │
│  uncore │       0.16J │       0.08W │      36360.84J │
└─────────┴─────────────┴─────────────┴────────────────┘
time=2025-05-19T12:26:48.234+05:30 level=INFO source=internal/monitor/monitor.go:254 msg="Computed power" service=monitor duration=632.113µs
Kepler Node Power
┌─────────┬─────────────┬─────────────┬────────────────┐
│  ZONE   │ DELTA ( W ) │ POWER ( W ) │ ABSOLUTE ( J ) │
├─────────┼─────────────┼─────────────┼────────────────┤
│    core │       3.81J │       1.90W │     110862.43J │
│ package │       5.89J │       2.94W │     127741.23J │
│    psys │      22.03J │      11.01W │     130295.02J │
│  uncore │       0.14J │       0.07W │      36360.99J │
└─────────┴─────────────┴─────────────┴────────────────┘
time=2025-05-19T12:26:50.234+05:30 level=INFO source=internal/monitor/monitor.go:254 msg="Computed power" service=monitor duration=1.224389ms
Kepler Node Power
┌─────────┬─────────────┬─────────────┬────────────────┐
│  ZONE   │ DELTA ( W ) │ POWER ( W ) │ ABSOLUTE ( J ) │
├─────────┼─────────────┼─────────────┼────────────────┤
│    core │       3.35J │       1.68W │     110865.78J │
│ package │       5.30J │       2.65W │     127746.53J │
│    psys │      20.93J │      10.47W │     130315.94J │
│  uncore │       0.13J │       0.07W │      36361.12J │
└─────────┴─────────────┴─────────────┴────────────────┘
^Ctime=2025-05-19T12:26:50.764+05:30 level=INFO source=exporter/stdout/stdout.go:107 msg="Exiting ticker" service=stdout
time=2025-05-19T12:26:50.764+05:30 level=INFO source=internal/server/server.go:149 msg="shutting down HTTP server on context done" service=api-server
time=2025-05-19T12:26:50.764+05:30 level=INFO source=internal/monitor/monitor.go:112 msg="Monitor has terminated." service=monitor
time=2025-05-19T12:26:50.764+05:30 level=INFO source=internal/service/run.go:56 msg="shutting down" service=api-server
time=2025-05-19T12:26:50.764+05:30 level=INFO source=internal/server/server.go:159 msg="shutting down API server on request" service=api-server
time=2025-05-19T12:26:50.764+05:30 level=INFO source=internal/service/run.go:56 msg="shutting down" service=monitor
time=2025-05-19T12:26:50.764+05:30 level=INFO source=internal/monitor/monitor.go:117 msg="shutting down monitor" service=monitor
time=2025-05-19T12:26:50.764+05:30 level=INFO source=internal/service/run.go:56 msg="shutting down" service=stdout
time=2025-05-19T12:26:50.764+05:30 level=INFO source=cmd/kepler/main.go:56 msg="Graceful shutdown completed"

@github-actions github-actions bot added the feat A new feature or enhancement label May 15, 2025
@codecov Codecov
Copy link

codecov bot commented May 15, 2025 •
edited
Loading

Codecov Report

Attention: Patch coverage is 95.50562% with 4 lines in your changes missing coverage. Please review.

Project coverage is 91.84%. Comparing base (5a6c763) to head (d9997cb).
Report is 3 commits behind head on reboot.

Files with missing lines Patch % Lines
internal/exporter/stdout/stdout.go 95.06% 3 Missing and 1 partial ⚠️
Additional details and impacted files 
@@            Coverage Diff             @@
##           reboot    #2068      +/-   ##
==========================================
- Coverage   91.89%   91.84%   -0.06%     
==========================================
  Files          29       30       +1     
  Lines        2086     2171      +85     
==========================================
+ Hits         1917     1994      +77     
- Misses        128      134       +6     
- Partials       41       43       +2

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

sthaha
sthaha reviewed May 16, 2025
View reviewed changes
internal/exporter/stdout/stdout.go
Comment on lines +89 to +96
func (e *Exporter) Init() error {
e.ticker = *time.NewTicker(e.interval)
return nil
}
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Club this with Run ?

@github-actions github-actions bot added the fix A bug fix label May 19, 2025
@vimalk78
fix(logger): make logger write to stderr
73c4b1c 
Signed-off-by: Vimal Kumar <vimal78@gmail.com>
@vimalk78 vimalk78 force-pushed the stdout-exporter branch 3 times, most recently from c4dd39c to 522fc40 Compare May 19, 2025 07:25
@vimalk78
feat(stdout): Add stdout exporter
d9997cb 
Signed-off-by: Vimal Kumar <vimal78@gmail.com>
@sthaha
Copy link
Collaborator

sthaha commented May 19, 2025

LGTM!

@vprashar2929 , do you want to give this a go as well before merging?

@sthaha sthaha merged commit 046e6bb into sustainable-computing-io:reboot May 19, 2025
10 of 11 checks passed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Reviewers

@sthaha sthaha sthaha approved these changes

Assignees
No one assigned
Labels
feat A new feature or enhancement fix A bug fix
Projects
None yet
Milestone
No milestone
Development

Successfully merging this pull request may close these issues.
2 participants
@vimalk78 @sthaha