# freeze-watcher configuration
# Sourced by /usr/local/bin/freeze-watcher.sh at startup.
# Lines are bash variable assignments. Restart the service after editing:
#   sudo systemctl restart freeze-watcher.service

# --- thresholds ----------------------------------------------------------
# A snapshot is captured when ANY of these is exceeded.
PSI_IO_THRESHOLD=40        # io pressure avg10 % to trigger
PSI_CPU_THRESHOLD=50       # cpu pressure avg10 % to trigger
DSTATE_THRESHOLD=5         # processes in uninterruptible sleep
BLOCKED_THRESHOLD=5        # procs_blocked from /proc/stat
LOAD_THRESHOLD=20          # 1-min load average

# --- timing --------------------------------------------------------------
SAMPLE_INTERVAL=1          # seconds between samples
COOLDOWN=30                # min seconds between captures

# --- retention -----------------------------------------------------------
MAX_SNAPSHOTS=200          # auto-delete oldest beyond this count (0 = no cap)
MAX_SNAPSHOT_AGE_DAYS=30   # auto-delete older than this (0 = no age cap)

# --- notifications -------------------------------------------------------
# Send a desktop notification when a snapshot is captured.
# Comma-separated list of users to notify (must be logged into a graphical session).
NOTIFY_USERS=""            # e.g. "luna" or "luna,alice"
NOTIFY_URGENCY=normal      # low, normal, critical

# --- capture options -----------------------------------------------------
CAPTURE_KERNEL_STACKS=1    # dump /proc/[pid]/stack for D-state procs (free, very useful)
CAPTURE_BPFTRACE=0         # run bpftrace one-shot during capture (requires bpftrace)
CAPTURE_CGROUP_PSI=1       # walk /sys/fs/cgroup for top PSI cgroups