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[CWS] reduce footprint of SetFieldValue #35805

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@safchain safchain commented Apr 3, 2025

What does this PR do?

Motivation

Describe how you validated your changes

Possible Drawbacks / Trade-offs

Additional Notes

@safchain safchain added changelog/no-changelog team/agent-security category/improvement qa/done QA done before merge and regressions are covered by tests labels Apr 3, 2025
@safchain safchain added this to the Triage milestone Apr 3, 2025
@github-actions github-actions bot added component/system-probe long review PR is complex, plan time to review it labels Apr 3, 2025
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agent-platform-auto-pr bot commented Apr 3, 2025

Uncompressed package size comparison

Comparison with ancestor df9aaf7e60d378273f791434f040505819a44eb2

Size reduction summary
package diff status size ancestor threshold
datadog-agent-arm64-deb -0.45MB 796.56MB 797.00MB 0.50MB
datadog-agent-aarch64-rpm -0.45MB 806.38MB 806.83MB 0.50MB
datadog-agent-x86_64-rpm -0.46MB 815.38MB 815.84MB 0.50MB
datadog-agent-x86_64-suse -0.46MB 815.38MB 815.84MB 0.50MB
datadog-agent-amd64-deb -0.46MB 805.53MB 805.99MB 0.50MB
Diff per package
package diff status size ancestor threshold
datadog-dogstatsd-amd64-deb 0.00MB 39.71MB 39.71MB 0.50MB
datadog-dogstatsd-x86_64-rpm 0.00MB 39.79MB 39.79MB 0.50MB
datadog-dogstatsd-x86_64-suse 0.00MB 39.79MB 39.79MB 0.50MB
datadog-dogstatsd-arm64-deb 0.00MB 38.22MB 38.22MB 0.50MB
datadog-heroku-agent-amd64-deb 0.00MB 440.92MB 440.92MB 0.50MB
datadog-iot-agent-amd64-deb 0.00MB 60.43MB 60.43MB 0.50MB
datadog-iot-agent-x86_64-rpm 0.00MB 60.50MB 60.50MB 0.50MB
datadog-iot-agent-x86_64-suse 0.00MB 60.50MB 60.50MB 0.50MB
datadog-iot-agent-arm64-deb 0.00MB 57.76MB 57.76MB 0.50MB
datadog-iot-agent-aarch64-rpm 0.00MB 57.83MB 57.83MB 0.50MB

Decision

✅ Passed

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agent-platform-auto-pr bot commented Apr 3, 2025

Test changes on VM

Use this command from test-infra-definitions to manually test this PR changes on a VM:

dda inv aws.create-vm --pipeline-id=61123375 --os-family=ubuntu

Note: This applies to commit ba6ffef

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cit-pr-commenter bot commented Apr 3, 2025

Regression Detector

Regression Detector Results

Metrics dashboard
Target profiles
Run ID: 979b902b-2aed-4c60-b9dd-644feeb753a6

Baseline: df9aaf7
Comparison: ba6ffef
Diff

Optimization Goals: ✅ No significant changes detected

Fine details of change detection per experiment

perf experiment goal Δ mean % Δ mean % CI trials links
file_tree memory utilization +4.50 [+4.28, +4.71] 1 Logs
quality_gate_logs % cpu utilization +2.97 [+0.13, +5.81] 1 Logs
otlp_ingest_traces memory utilization +2.04 [+1.65, +2.43] 1 Logs
tcp_syslog_to_blackhole ingress throughput +1.52 [+1.46, +1.59] 1 Logs
uds_dogstatsd_to_api_cpu % cpu utilization +1.04 [+0.20, +1.88] 1 Logs
quality_gate_idle_all_features memory utilization +0.73 [+0.61, +0.85] 1 Logs bounds checks dashboard
otlp_ingest_logs memory utilization +0.71 [+0.54, +0.89] 1 Logs
file_to_blackhole_1000ms_latency egress throughput +0.27 [-0.50, +1.03] 1 Logs
file_to_blackhole_1000ms_latency_linear_load egress throughput +0.21 [-0.27, +0.68] 1 Logs
file_to_blackhole_0ms_latency_http1 egress throughput +0.02 [-0.83, +0.86] 1 Logs
quality_gate_idle memory utilization +0.01 [-0.08, +0.09] 1 Logs bounds checks dashboard
file_to_blackhole_100ms_latency egress throughput +0.01 [-0.68, +0.70] 1 Logs
tcp_dd_logs_filter_exclude ingress throughput +0.00 [-0.02, +0.02] 1 Logs
file_to_blackhole_0ms_latency egress throughput -0.01 [-0.83, +0.81] 1 Logs
uds_dogstatsd_to_api ingress throughput -0.01 [-0.32, +0.29] 1 Logs
file_to_blackhole_0ms_latency_http2 egress throughput -0.01 [-0.86, +0.83] 1 Logs
file_to_blackhole_300ms_latency egress throughput -0.02 [-0.65, +0.62] 1 Logs
otlp_ingest_metrics memory utilization -0.03 [-0.18, +0.11] 1 Logs
uds_dogstatsd_20mb_12k_contexts_20_senders memory utilization -0.04 [-0.08, +0.01] 1 Logs
file_to_blackhole_500ms_latency egress throughput -0.06 [-0.85, +0.73] 1 Logs

Bounds Checks: ✅ Passed

perf experiment bounds_check_name replicates_passed links
file_to_blackhole_0ms_latency lost_bytes 10/10
file_to_blackhole_0ms_latency memory_usage 10/10
file_to_blackhole_0ms_latency_http1 lost_bytes 10/10
file_to_blackhole_0ms_latency_http1 memory_usage 10/10
file_to_blackhole_0ms_latency_http2 lost_bytes 10/10
file_to_blackhole_0ms_latency_http2 memory_usage 10/10
file_to_blackhole_1000ms_latency memory_usage 10/10
file_to_blackhole_1000ms_latency_linear_load memory_usage 10/10
file_to_blackhole_100ms_latency lost_bytes 10/10
file_to_blackhole_100ms_latency memory_usage 10/10
file_to_blackhole_300ms_latency lost_bytes 10/10
file_to_blackhole_300ms_latency memory_usage 10/10
file_to_blackhole_500ms_latency lost_bytes 10/10
file_to_blackhole_500ms_latency memory_usage 10/10
quality_gate_idle intake_connections 10/10 bounds checks dashboard
quality_gate_idle memory_usage 10/10 bounds checks dashboard
quality_gate_idle_all_features intake_connections 10/10 bounds checks dashboard
quality_gate_idle_all_features memory_usage 10/10 bounds checks dashboard
quality_gate_logs intake_connections 10/10
quality_gate_logs lost_bytes 10/10
quality_gate_logs memory_usage 10/10

Explanation

Confidence level: 90.00%
Effect size tolerance: |Δ mean %| ≥ 5.00%

Performance changes are noted in the perf column of each table:

  • ✅ = significantly better comparison variant performance
  • ❌ = significantly worse comparison variant performance
  • ➖ = no significant change in performance

A regression test is an A/B test of target performance in a repeatable rig, where "performance" is measured as "comparison variant minus baseline variant" for an optimization goal (e.g., ingress throughput). Due to intrinsic variability in measuring that goal, we can only estimate its mean value for each experiment; we report uncertainty in that value as a 90.00% confidence interval denoted "Δ mean % CI".

For each experiment, we decide whether a change in performance is a "regression" -- a change worth investigating further -- if all of the following criteria are true:

  1. Its estimated |Δ mean %| ≥ 5.00%, indicating the change is big enough to merit a closer look.

  2. Its 90.00% confidence interval "Δ mean % CI" does not contain zero, indicating that if our statistical model is accurate, there is at least a 90.00% chance there is a difference in performance between baseline and comparison variants.

  3. Its configuration does not mark it "erratic".

CI Pass/Fail Decision

Passed. All Quality Gates passed.

  • quality_gate_idle_all_features, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_idle_all_features, bounds check intake_connections: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check lost_bytes: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check intake_connections: 10/10 replicas passed. Gate passed.
  • quality_gate_idle, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_idle, bounds check intake_connections: 10/10 replicas passed. Gate passed.

@safchain safchain changed the title [CWS][WIP] reduce number of SetFieldValue [CWS][WIP] reduce footprint of SetFieldValue Apr 4, 2025
@safchain safchain changed the title [CWS][WIP] reduce footprint of SetFieldValue [CWS] reduce footprint of SetFieldValue Apr 4, 2025
@safchain safchain marked this pull request as ready for review April 4, 2025 12:30
@safchain safchain requested a review from a team as a code owner April 4, 2025 12:30
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Nice ! Thanks

@@ -297,7 +298,129 @@ func (ev *Event) GetFieldMetadata(field eval.Field) (eval.EventType, reflect.Kin
return "", reflect.Invalid, "", &eval.ErrFieldNotFound{Field: field}
}

func (ev *Event) setStringArray(field string, fv *[]string, value interface{}) error {
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Do we really need those in the template ? They could be moved to a real go file no?

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agent-platform-auto-pr bot commented Apr 4, 2025

Static quality checks ✅

Please find below the results from static quality gates

Successful checks

Info

Result Quality gate On disk size On disk size limit On wire size On wire size limit
static_quality_gate_agent_deb_amd64 779.89 MiB 780.74 MiB 190.42 MiB 190.85 MiB
static_quality_gate_agent_deb_amd64_fips 777.8 MiB 778.65 MiB 190.36 MiB 190.66 MiB
static_quality_gate_agent_heroku_amd64 428.54 MiB 428.97 MiB 112.78 MiB 113.11 MiB
static_quality_gate_agent_msi 976.67 MiB 977.0 MiB 149.38 MiB 149.85 MiB
static_quality_gate_agent_rpm_amd64 779.81 MiB 780.59 MiB 192.8 MiB 193.37 MiB
static_quality_gate_agent_rpm_amd64_fips 777.81 MiB 778.69 MiB 191.84 MiB 192.47 MiB
static_quality_gate_agent_rpm_arm64 771.29 MiB 772.07 MiB 173.92 MiB 174.47 MiB
static_quality_gate_agent_rpm_arm64_fips 769.45 MiB 770.27 MiB 173.11 MiB 173.63 MiB
static_quality_gate_agent_suse_amd64 779.88 MiB 780.7 MiB 192.8 MiB 193.37 MiB
static_quality_gate_agent_suse_amd64_fips 777.81 MiB 778.59 MiB 191.84 MiB 192.47 MiB
static_quality_gate_agent_suse_arm64 771.29 MiB 772.02 MiB 173.92 MiB 174.47 MiB
static_quality_gate_agent_suse_arm64_fips 769.47 MiB 770.2 MiB 173.11 MiB 173.63 MiB
static_quality_gate_docker_agent_amd64 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_arm64 879.13 MiB 880.0 MiB 277.33 MiB 277.86 MiB
static_quality_gate_docker_agent_jmx_amd64 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_jmx_arm64 879.13 MiB 880.0 MiB 277.33 MiB 277.86 MiB
static_quality_gate_docker_agent_windows1809 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_windows1809_core 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_windows1809_core_jmx 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_windows1809_jmx 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_windows2022 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_windows2022_core 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_windows2022_core_jmx 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_agent_windows2022_jmx 864.42 MiB 865.3 MiB 290.76 MiB 291.35 MiB
static_quality_gate_docker_cluster_agent_amd64 263.13 MiB 263.29 MiB 105.68 MiB 106.03 MiB
static_quality_gate_docker_cluster_agent_arm64 279.07 MiB 279.25 MiB 100.53 MiB 100.87 MiB
static_quality_gate_docker_cws_instrumentation_amd64 6.65 MiB 7.12 MiB 2.82 MiB 3.29 MiB
static_quality_gate_docker_cws_instrumentation_arm64 6.44 MiB 6.92 MiB 2.6 MiB 3.07 MiB
static_quality_gate_docker_dogstatsd_amd64 46.09 MiB 46.37 MiB 17.38 MiB 17.78 MiB
static_quality_gate_docker_dogstatsd_arm64 44.7 MiB 44.99 MiB 16.24 MiB 16.65 MiB
static_quality_gate_dogstatsd_deb_amd64 37.95 MiB 38.23 MiB 9.84 MiB 10.26 MiB
static_quality_gate_dogstatsd_deb_arm64 36.53 MiB 36.82 MiB 8.54 MiB 8.96 MiB
static_quality_gate_dogstatsd_rpm_amd64 37.95 MiB 38.23 MiB 9.85 MiB 10.27 MiB
static_quality_gate_dogstatsd_suse_amd64 37.95 MiB 38.23 MiB 9.85 MiB 10.27 MiB
static_quality_gate_iot_agent_deb_amd64 57.71 MiB 58.19 MiB 14.55 MiB 15.02 MiB
static_quality_gate_iot_agent_deb_arm64 55.16 MiB 55.63 MiB 12.58 MiB 13.05 MiB
static_quality_gate_iot_agent_deb_armhf 53.85 MiB 54.32 MiB 12.57 MiB 13.05 MiB
static_quality_gate_iot_agent_rpm_amd64 57.71 MiB 58.19 MiB 14.57 MiB 15.04 MiB
static_quality_gate_iot_agent_rpm_arm64 55.16 MiB 55.63 MiB 12.59 MiB 13.07 MiB
static_quality_gate_iot_agent_suse_amd64 57.71 MiB 58.19 MiB 14.57 MiB 15.04 MiB

@safchain safchain force-pushed the safchain/reduce-setfield branch from ef233ae to 322d05c Compare April 4, 2025 13:29
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/merge

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dd-devflow bot commented Apr 10, 2025

View all feedbacks in Devflow UI.

2025-04-10 09:41:24 UTC ℹ️ Start processing command /merge


2025-04-10 09:41:31 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in main is approximately 50m (p90).


2025-04-10 09:49:53 UTC ⚠️ MergeQueue: This merge request build was cancelled

sylvain.afchain@datadoghq.com cancelled this merge request build

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/merge -c

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dd-devflow bot commented Apr 10, 2025

View all feedbacks in Devflow UI.

2025-04-10 09:49:46 UTC ℹ️ Start processing command /merge -c

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