mirror of
https://github.com/allaunthefox/Research-Stack.git
synced 2026-07-31 03:05:21 +00:00
382277ec28
- Update .gitignore with **/target/ for Rust build artifacts - Add eval receipts to UniversalBridge.lean (compile-time verification comments) - Add PCIe Idle-Cycle Compute Harvester to ROADMAP.md - Clean up deprecated scripts, generated Verilog, and old tools (23 deletions) - Stage new infrastructure: Xen/Alpine embedded surface, QFOX topology manager - Stage new probes: boundary activation field, holographic carving - Stage new applications: finance manager, script roots - Stage new research spec: PCIe idle-cycle substrate
92 lines
2.4 KiB
Bash
Executable file
92 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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module="qfox_topology_manager"
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tracefs="/sys/kernel/tracing"
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state="/run/${module}_ftrace_state"
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if [[ ! -d "$tracefs" ]]; then
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tracefs="/sys/kernel/debug/tracing"
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fi
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if [[ ! -d "$tracefs" ]]; then
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echo "tracefs is not mounted" >&2
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exit 2
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fi
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cmd="${1:-snapshot}"
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require_loaded() {
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if ! grep -q "^${module} " /proc/modules; then
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echo "${module} is not loaded" >&2
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exit 2
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fi
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}
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attach() {
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require_loaded
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mkdir -p "$(dirname "$state")"
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{
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printf 'tracer=%s\n' "$(cat "$tracefs/current_tracer")"
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printf 'filter=%s\n' "$(cat "$tracefs/set_ftrace_filter" 2>/dev/null || true)"
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} > "$state"
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echo 0 > "$tracefs/tracing_on"
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: > "$tracefs/trace"
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echo nop > "$tracefs/current_tracer"
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: > "$tracefs/set_ftrace_filter"
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{
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echo qfox_record
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echo qfox_record_from_buffer
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echo qfox_dev_read
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echo qfox_dev_write
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echo qfox_netdev_event
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echo qfox_reboot_event
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} > "$tracefs/set_ftrace_filter"
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echo function_graph > "$tracefs/current_tracer"
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echo 1 > "$tracefs/tracing_on"
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if [[ -w /sys/kernel/debug/dynamic_debug/control ]]; then
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# Harmless when there are no pr_debug callsites; useful if added later.
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echo "module ${module} +p" > /sys/kernel/debug/dynamic_debug/control || true
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fi
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echo "attached ${module} ftrace debugger"
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echo "trace: $tracefs/trace"
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}
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detach() {
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echo 0 > "$tracefs/tracing_on"
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echo nop > "$tracefs/current_tracer"
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: > "$tracefs/set_ftrace_filter"
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if [[ -f "$state" ]]; then
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# Restoring arbitrary previous filters can be surprising; keep this
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# conservative and leave the prior state recorded for inspection.
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echo "previous ftrace state preserved at $state"
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fi
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echo "detached ${module} ftrace debugger"
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}
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snapshot() {
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require_loaded
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echo "--- module ---"
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modinfo "$module" || true
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echo "--- sysfs/status ---"
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cat "/sys/kernel/${module}/status" 2>/dev/null || cat "/sys/kernel/qfox_topology_manager/status"
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echo "--- sysfs/slots ---"
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cat "/sys/kernel/${module}/slots" 2>/dev/null || cat "/sys/kernel/qfox_topology_manager/slots"
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echo "--- debugfs/events ---"
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cat "/sys/kernel/debug/${module}/events" 2>/dev/null || cat "/sys/kernel/debug/qfox_topology_manager/events" 2>/dev/null || true
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echo "--- ftrace tail ---"
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tail -n 80 "$tracefs/trace" 2>/dev/null || true
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}
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case "$cmd" in
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attach) attach ;;
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detach) detach ;;
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snapshot) snapshot ;;
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*)
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echo "usage: $0 {attach|snapshot|detach}" >&2
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exit 2
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;;
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esac
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