160 lines
5.0 KiB
Bash
Executable File
160 lines
5.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 卡若AI · 轻量防卡顿守护（金仓）
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# 仅阈值触发；不删 TM 快照、不碰 state.vscdb、不删用户文件。
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# 用法:
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# bash karuo_perf_guard.sh --once # 执行一轮
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# bash karuo_perf_guard.sh --dry-run # 只报告不动作
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# bash karuo_perf_guard.sh --status # 只看指标
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set -euo pipefail
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MODE="${1:---once}"
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DRY=0
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LOG="${KARUO_PERF_GUARD_LOG:-$HOME/Library/Logs/karuo_perf_guard.log}"
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MAX_LOG_LINES=2000
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# 阈值（可用环境变量覆盖）
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ORPHAN_NODE_MIN="${KARUO_ORPHAN_NODE_MIN:-15}"
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REPORTCRASH_PCPU_MIN="${KARUO_REPORTCRASH_PCPU_MIN:-25}"
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REPORTCRASH_ETIME_MIN="${KARUO_REPORTCRASH_ETIME_MIN:-3600}"
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MEM_FREE_MB_MIN="${KARUO_MEM_FREE_MB_MIN:-800}"
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LOAD_MIN_FOR_PURGE="${KARUO_LOAD_MIN_FOR_PURGE:-15}"
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GIT_STUCK_ETIME_MIN="${KARUO_GIT_STUCK_ETIME_MIN:-600}"
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GIT_STUCK_PCPU_MIN="${KARUO_GIT_STUCK_PCPU_MIN:-40}"
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DISK_WARN_PCT="${KARUO_DISK_WARN_PCT:-95}"
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mkdir -p "$(dirname "$LOG")"
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rotate_log() {
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[[ -f "$LOG" ]] || return 0
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local n
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n=$(wc -l <"$LOG" | tr -d ' ')
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if [[ "$n" -gt "$MAX_LOG_LINES" ]]; then
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tail -n 500 "$LOG" >"${LOG}.tmp" && mv "${LOG}.tmp" "$LOG"
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fi
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}
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log() {
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printf '[%s] %s\n' "$(date '+%Y-%m-%d %H:%M:%S')" "$*"
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printf '[%s] %s\n' "$(date '+%Y-%m-%d %H:%M:%S')" "$*" >>"$LOG"
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}
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mem_free_mb() {
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local free_pages page_size
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free_pages=$(vm_stat 2>/dev/null | awk '/Pages free/ {gsub(/\./, "", $3); print $3}' || echo 0)
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page_size=$(sysctl -n hw.pagesize 2>/dev/null || echo 16384)
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echo $((free_pages * page_size / 1024 / 1024))
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}
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load_avg() {
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sysctl -n vm.loadavg 2>/dev/null | awk '{print int($2)}'
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}
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disk_used_pct() {
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df /System/Volumes/Data 2>/dev/null | awk 'NR==2 {gsub(/%/, "", $5); print $5}'
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}
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status_report() {
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local free_mb load disk node_n
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free_mb=$(mem_free_mb)
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load=$(load_avg)
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disk=$(disk_used_pct)
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node_n=$(pgrep -c node 2>/dev/null || echo 0)
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log "status load=$load free_mb≈${free_mb} disk=${disk}% node=${node_n}"
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if [[ "$disk" -gt "$DISK_WARN_PCT" ]]; then
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log "WARN 磁盘>${DISK_WARN_PCT}% — 建议清 Downloads/缓存（守护不会自动删用户文件）"
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fi
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}
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orphan_codegraph_cleanup() {
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local count
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count=$(pgrep -fc '@colbymchenry/codegraph-darwin-arm64/node -e' 2>/dev/null || echo 0)
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if [[ "$count" -gt "$ORPHAN_NODE_MIN" ]]; then
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log "CodeGraph orphan watchdog=${count} (>${ORPHAN_NODE_MIN}) → cleanup"
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if [[ "$DRY" -eq 0 ]]; then
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pkill -f '@colbymchenry/codegraph-darwin-arm64/node -e' 2>/dev/null || true
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fi
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fi
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}
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reportcrash_cleanup() {
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local pid pcpu etime comm
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pid=$(pgrep -f '/ReportCrash agent' 2>/dev/null | head -1 || true)
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[[ -z "$pid" ]] && return 0
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pcpu=$(ps -p "$pid" -o %cpu= 2>/dev/null | tr -d ' ' || echo 0)
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etime=$(ps -p "$pid" -o etimes= 2>/dev/null | tr -d ' ' || echo 0)
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comm=$(ps -p "$pid" -o command= 2>/dev/null || true)
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[[ "$comm" != *"ReportCrash agent"* ]] && return 0
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if awk "BEGIN{exit !($pcpu > $REPORTCRASH_PCPU_MIN)}" && [[ "${etime:-0}" -gt "$REPORTCRASH_ETIME_MIN" ]]; then
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log "ReportCrash 卡死 pid=$pid pcpu=${pcpu}% etime=${etime}s → kill"
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if [[ "$DRY" -eq 0 ]]; then
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kill -9 "$pid" 2>/dev/null || true
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fi
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fi
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}
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feishu_api_dedup() {
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local -a pids=()
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local keep pid
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while IFS= read -r pid; do
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[[ -n "$pid" ]] && pids+=("$pid")
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done < <(pgrep -f 'feishu_api\.py' 2>/dev/null | sort -n || true)
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((${#pids[@]} <= 1)) && return 0
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keep="${pids[0]}"
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for pid in "${pids[@]:1}"; do
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log "重复 feishu_api pid=$pid（保留 $keep）→ kill"
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if [[ "$DRY" -eq 0 ]]; then
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kill "$pid" 2>/dev/null || true
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fi
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done
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}
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stuck_git_scm_cleanup() {
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local pid pcpu etime cmd
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while read -r pid pcpu cmd; do
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[[ -z "$pid" ]] && continue
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[[ "$cmd" != *git* ]] && continue
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[[ "$cmd" != *"ls-files"* && "$cmd" != *"diff"* && "$cmd" != *"status"* ]] && continue
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etime=$(ps -p "$pid" -o etimes= 2>/dev/null | tr -d ' ' || echo 0)
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if awk "BEGIN{exit !($pcpu > $GIT_STUCK_PCPU_MIN)}" && [[ "${etime:-0}" -gt "$GIT_STUCK_ETIME_MIN" ]]; then
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log "git SCM 长时间高CPU pid=$pid pcpu=${pcpu}% etime=${etime}s → kill"
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if [[ "$DRY" -eq 0 ]]; then
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kill "$pid" 2>/dev/null || true
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fi
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fi
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done < <(ps aux 2>/dev/null | awk '!/awk/ && /\/git / {print $2, $3, substr($0, index($0,$11))}' || true)
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}
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memory_purge_if_needed() {
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local free_mb load
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free_mb=$(mem_free_mb)
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load=$(load_avg)
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if [[ "$free_mb" -lt "$MEM_FREE_MB_MIN" ]] && [[ "$load" -gt "$LOAD_MIN_FOR_PURGE" ]]; then
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log "内存偏低 free≈${free_mb}MB load=$load → purge"
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if [[ "$DRY" -eq 0 ]]; then
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purge 2>/dev/null || true
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fi
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fi
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}
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run_once() {
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rotate_log
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status_report
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[[ "$MODE" == "--status" ]] && return 0
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orphan_codegraph_cleanup
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reportcrash_cleanup
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feishu_api_dedup
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stuck_git_scm_cleanup
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memory_purge_if_needed
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}
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case "$MODE" in
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--once | --dry-run | --status)
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[[ "$MODE" == "--dry-run" ]] && DRY=1
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run_once
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;;
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*)
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echo "用法: $0 [--once|--dry-run|--status]"
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exit 1
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;;
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esac
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