Files
gosentry/src/ui/notify_timing.go
T
mix 1e3d14bef2 Log failure-notification timing and plan faster Windows toasts.
Append app-side delays to logs/notify-timing.log, add a PowerShell baseline
script (~773 ms), and track native WinRT toasts in ROADMAP.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-05 23:15:44 +03:00

70 lines
1.8 KiB
Go

package ui
import (
"fmt"
"os"
"path/filepath"
"time"
)
const notificationTimingLogName = "notify-timing.log"
// notificationTiming captures wall-clock points from a failed run through
// SendNotification. It does not include OS toast display latency — Fyne on
// Windows shows toasts via a separate PowerShell process after SendNotification
// returns.
type notificationTiming struct {
JobName string
RunFinished time.Time
EmittedAt time.Time
UIQueuedAt time.Time
AfterSendAt time.Time
}
func (t notificationTiming) formatLine() string {
return fmt.Sprintf(
"%s\tjob=%s\tms_after_run=%s\tms_fyne_do=%s\tms_send=%s\tms_app_total=%s\n",
t.AfterSendAt.Format(time.RFC3339Nano),
t.JobName,
msBetween(t.RunFinished, t.EmittedAt),
msBetween(t.EmittedAt, t.UIQueuedAt),
msBetween(t.UIQueuedAt, t.AfterSendAt),
msBetween(t.EmittedAt, t.AfterSendAt),
)
}
func msBetween(from, to time.Time) string {
if from.IsZero() || to.IsZero() || to.Before(from) {
return "-"
}
return fmt.Sprintf("%d", to.Sub(from).Milliseconds())
}
func appendNotificationTimingLog(logsDir string, timing notificationTiming) error {
if logsDir == "" {
return nil
}
if err := os.MkdirAll(logsDir, 0o755); err != nil {
return err
}
path := filepath.Join(logsDir, notificationTimingLogName)
file, err := os.OpenFile(path, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return err
}
defer file.Close()
info, err := file.Stat()
if err != nil {
return err
}
if info.Size() == 0 {
if _, err := file.WriteString("# GoSentry failure-notification timing (app side only; OS toast delay is not included)\n" +
"# columns: timestamp job ms_after_run ms_fyne_do ms_send ms_app_total\n"); err != nil {
return err
}
}
_, err = file.WriteString(timing.formatLine())
return err
}