Skip to content

perf(dashboard): consolidate jq calls and buffer render output #17

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
MuLinForest wants to merge 1 commit into
base: main
Choose a base branch
from
+20 −13
Open

perf(dashboard): consolidate jq calls and buffer render output #17

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
33 changes: 20 additions & 13 deletions statusline/dashboard.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ make_bar() {

# ── Main render ───────────────────────────────────────────────────────────────
render() {
printf '\033[2J\033[H'
_frame=$(
ts=$(date '+%Y-%m-%d %H:%M:%S')
now=$(date +%s)

Expand All @@ -79,29 +79,34 @@ render() {
"$R"

count=0; total_in=0; total_out=0; total_mem=0
_US=$(printf '\037') # ASCII Unit Separator — POSIX-safe, non-whitespace

for f in "$SESSIONS_DIR"/*.json; do
[ -f "$f" ] || continue

pid=$(jq -r '.pid // 0' "$f" 2>/dev/null); [ "$pid" -gt 0 ] 2>/dev/null || continue
# Read all fields in one jq call using \u001f (unit separator) to avoid
# IFS whitespace collapsing of consecutive empty fields (e.g. git_branch + last_activity).
# Use octal \037 (not $'\x1f') for POSIX sh / dash compatibility.
_row=$(jq -r '[
.pid//0, .epoch//0,
.project_name//"unknown", .project_dir//"",
.model//"Unknown", .status//"",
(.used_pct//0|tostring), (.tokens_in//0|tostring), (.tokens_out//0|tostring),
.git_branch//"", .last_activity//"",
(.mem_kb//0|tostring)
] | join("\u001f")' "$f" 2>/dev/null) || continue
IFS="$_US" read -r pid epoch project project_dir model_r status_r \
used_pct tokens_in tokens_out branch activity mem_kb <<EOF
$_row
EOF
[ "$pid" -gt 0 ] 2>/dev/null || continue

# Remove stale sessions for dead processes
if ! kill -0 "$pid" 2>/dev/null; then
rm -f "$f" "$SESSIONS_DIR/${pid}.status"
continue
fi

epoch=$(jq -r '.epoch // 0' "$f" 2>/dev/null)
project=$(jq -r '.project_name // "unknown"' "$f" 2>/dev/null)
model_r=$(jq -r '.model // "Unknown"' "$f" 2>/dev/null)
status_r=$(jq -r '.status // ""' "$f" 2>/dev/null)
used_pct=$(jq -r '.used_pct // 0' "$f" 2>/dev/null)
tokens_in=$(jq -r '.tokens_in // 0' "$f" 2>/dev/null)
tokens_out=$(jq -r '.tokens_out // 0' "$f" 2>/dev/null)
branch=$(jq -r '.git_branch // ""' "$f" 2>/dev/null)
activity=$(jq -r '.last_activity // ""' "$f" 2>/dev/null)
mem_kb=$(jq -r '.mem_kb // 0' "$f" 2>/dev/null)

# Shorten model name: "Claude Opus 4.6" → "Opus 4.6"
model=$(printf '%s' "$model_r" | sed 's/^Claude //')

Expand Down Expand Up @@ -177,6 +182,8 @@ render() {
printf '\n%bStatus:%b %bWORKING%b %bDONE%b %bIDLE%b %bWAITING%b %bQUEUED%b' \
"$BOLD" "$R" "$C_WORKING" "$R" "$C_DONE" "$R" "$C_IDLE" "$R" "$C_WAITING" "$R" "$C_QUEUED" "$R"
printf ' %b» text → tool « user%b\n' "$DIM" "$R"
) # end _frame
printf '\033[2J\033[H%s' "$_frame"
}

# ── Entry point ───────────────────────────────────────────────────────────────
Expand Down