// printUsage prints help text for the application.
func printUsage() {
fmt.Println("Usage:")
fmt.Printf("\t%s <worker count> <command>\n", app.GetName())
fmt.Println()
fmt.Println("\tWhere <command> is the command to run for each input argument.")
fmt.Printf("\tThe string '{}' within the command will be replaced with the argument")
fmt.Println("comming in from the input pipeline.")
fmt.Println()
fmt.Printf("\texample: find . -type f | %s ls -alh {}\n", app.GetName())
}
// NewCrashReport generates a new CrashReport object, fills it in
// with information about the current system state, and returns a reference
// to the new object back to the caller.
func NewCrashReport(errData interface{}) *CrashReport {
var ms runtime.MemStats
runtime.ReadMemStats(&ms)
hostname, _ := os.Hostname()
wd, _ := os.Getwd()
rpt := &CrashReport{
Timestamp: time.Now(),
ErrData: errData,
AppName: app.GetName(),
AppPath: app.GetExeDir(),
GoOS: runtime.GOOS,
GoArch: runtime.GOARCH,
CPUCount: runtime.NumCPU(),
HostName: hostname,
WorkingDir: wd,
Environment: os.Environ(),
StackTrace: NewStackTrace(),
}
if verboseRpt {
rpt.MemStats = &ms
} else {
rpt.MemStats = &TerseMemStats{
Alloc: ms.Alloc,
Mallocs: ms.Mallocs,
Frees: ms.Frees,
HeapIdle: ms.HeapIdle,
HeapInuse: ms.HeapInuse,
HeapObjects: ms.HeapObjects,
StackInuse: ms.StackInuse,
NumGC: ms.NumGC,
// GCCPUFraction : ms.GCCPUFraction,
EnableGC: ms.EnableGC,
DebugGC: ms.DebugGC,
}
}
return rpt
}