mrcharles
cba2a64d67
Everything for the ultix-streaming (VM 5111, pfv-tsys5) performance pass: full report + host audit results, staged/gated configs, guest prep + host one-shot + post-reboot-fix + netcheck lifecycle scripts, grow-root manual runbook, rolling tracking HUD, questions v1, and the gateway boot-race hardening units. Applied and verified live 2026-08-31; open work is tracked in Redmine project 55 as #601-#607. [#602] 💘 Generated with Crush Assisted-by: Crush:glm-5.2
40 lines
1.5 KiB
Bash
Executable File
40 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Per-slice + host PSI (pressure stall info) avg60 -> node_exporter textfile.
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# Consumed by the existing mopac-harness prometheus; gateway may also read it.
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set -u
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OUT_DIR=${UKRRS_TEXTFILE_DIR:-/var/lib/node_exporter/textfile}
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CGROOT=${UKRRS_CGROOT:-/sys/fs/cgroup}
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mkdir -p "$OUT_DIR"
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tmp=$(mktemp "$OUT_DIR/.ukrrs.XXXXXX")
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some60() { # file -> prints avg60 value or nothing
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awk '$1=="some"{for(i=2;i<=NF;i++) if($i ~ /^avg60=/){sub("avg60=","",$i); print $i; exit}}' "$1" 2>/dev/null
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}
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emit() { # name cgroup_path
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local res v
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for res in cpu memory io; do
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[ -r "$2/$res.pressure" ] || continue
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v=$(some60 "$2/$res.pressure")
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[ -n "${v:-}" ] && echo "ukrrs_slice_pressure_some60{slice=\"$1\",res=\"$res\"} $v"
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done
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}
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echo "# HELP ukrrs_slice_pressure_some60 PSI some avg60 (percent) for ukrrs slices" >>"$tmp"
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echo "# TYPE ukrrs_slice_pressure_some60 gauge" >>"$tmp"
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for cg in "$CGROOT"/system.slice/ukrrs-*.slice; do
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[ -d "$cg" ] && emit "${cg##*/}" "$cg"
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done
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[ -d "$CGROOT/user.slice" ] && emit "user.slice" "$CGROOT/user.slice"
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echo "# HELP ukrrs_host_pressure_some60 PSI some avg60 (percent) host-wide" >>"$tmp"
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echo "# TYPE ukrrs_host_pressure_some60 gauge" >>"$tmp"
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for res in cpu memory io; do
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[ -r "/proc/pressure/$res" ] || continue
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v=$(some60 "/proc/pressure/$res")
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[ -n "${v:-}" ] && echo "ukrrs_host_pressure_some60{res=\"$res\"} $v"
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done
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mv "$tmp" "$OUT_DIR/ukrrs_pressure.prom"
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chmod 0644 "$OUT_DIR/ukrrs_pressure.prom"
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