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Krzysztof kuhy Rudnicki
8be1fac8f9
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Moves 7 loose ~/.local/bin scripts into linux_configuration/scripts/ and tracks the flutter/dart git-env wrapper; fix_flutter_git_env.sh and unreal_mcp_repo.sh now symlink to the tracked files instead of writing heredocs. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014yhTkYV6ZeuAbQYvykFGFc Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
39 lines
1.1 KiB
Bash
Executable File
39 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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LOG_DIR="$HOME/.local/share/gpu-log"
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ERR_LOG="$LOG_DIR/pmon-errors.log"
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mkdir -p "$LOG_DIR"
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if ! command -v nvidia-smi >/dev/null 2>&1; then
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echo "nvidia-pmon-logger: nvidia-smi not found" >&2
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exit 1
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fi
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# Wake every 60s to (a) check that the pmon child is still alive and (b) rotate
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# the log on day-rollover. This used to spin in a `read -r -t 20` loop, but
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# under systemd stdin is /dev/null, so `read` returned instantly on EOF. That
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# turned the loop into a hot fork-storm calling `date +%Y%m%d` thousands of
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# times per second (~22% of one core, ~122 CPU-hours/day).
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#
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# Use the bash printf %(...)T builtin (zero forks) for the date check, and a
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# real sleep (one fork/min, ~1440/day — negligible) for the wait.
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while true; do
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printf -v day '%(%Y%m%d)T' -1
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out_file="$LOG_DIR/pmon-${day}.log"
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nvidia-smi pmon -d 10 -o DT >>"$out_file" 2>>"$ERR_LOG" &
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pmon_pid=$!
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while kill -0 "$pmon_pid" >/dev/null 2>&1; do
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printf -v today '%(%Y%m%d)T' -1
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if [[ $today != "$day" ]]; then
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kill "$pmon_pid" >/dev/null 2>&1 || true
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wait "$pmon_pid" 2>/dev/null || true
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break
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fi
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sleep 60
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done
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done
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