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package dashboard
import (
"fmt"
"strconv"
"strings"
"ior/internal/statsengine"
"charm.land/bubbles/v2/table"
)
func renderProcesses(snap *statsengine.Snapshot, width, height int) string {
return renderProcessesWithOffset(snap, width, height, 0, -1)
}
func renderProcessesWithOffset(snap *statsengine.Snapshot, width, height, offset, pidFilter int) string {
if snap == nil {
return "Processes: waiting for stats..."
}
rows := processRows(snap.Processes())
if len(rows) == 0 {
return "Processes: no data"
}
columns := []table.Column{
{Title: "PID", Width: 8},
{Title: "Comm", Width: 18},
{Title: "Syscalls", Width: 10},
{Title: "Rate/s", Width: 8},
{Title: "Total Bytes", Width: 12},
{Title: "Avg Latency", Width: 12},
}
tbl := table.New(
table.WithColumns(columns),
table.WithRows(rows),
table.WithFocused(true),
)
tbl.SetHeight(syscallTableHeight(height))
tbl.SetWidth(tableWidth(width))
cursor := clampOffset(offset, len(rows))
tbl.SetCursor(cursor)
out := tbl.View() + fmt.Sprintf("\nRow %d/%d [enter:filter] [v:mode] [b:metric]", cursor+1, len(rows))
if pidFilter > 0 {
out += "\n" + "Note: this tab is most useful with All PIDs."
}
return out
}
func processRows(processes []statsengine.ProcessSnapshot) []table.Row {
rows := make([]table.Row, 0, len(processes))
for _, p := range processes {
rows = append(rows, table.Row{
strconv.FormatUint(uint64(p.PID), 10),
truncateText(p.Comm, 18),
strconv.FormatUint(p.Syscalls, 10),
fmt.Sprintf("%.1f", p.RatePerSec),
formatBytes(float64(p.Bytes)),
formatDurationNs(p.AvgLatencyNs),
})
}
return rows
}
func truncateText(value string, limit int) string {
if len(value) <= limit {
return value
}
if limit <= 3 {
return value[:limit]
}
return strings.TrimSpace(value[:limit-3]) + "..."
}
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