@ -45,6 +45,7 @@ func logSupportInfo(logf logger.Logf, reason LogSupportInfoReason) {
const (
supportInfoKeyModules = "modules"
supportInfoKeyPageFile = "pageFile"
supportInfoKeyRegistry = "registry"
supportInfoKeySecurity = "securitySoftware"
supportInfoKeyWinsockLSP = "winsockLSP"
@ -60,6 +61,13 @@ func getSupportInfo(w io.Writer, reason LogSupportInfoReason) error {
output [ supportInfoKeyRegistry ] = err
}
pageFileInfo , err := getPageFileInfo ( )
if err == nil {
output [ supportInfoKeyPageFile ] = pageFileInfo
} else {
output [ supportInfoKeyPageFile ] = err
}
if reason == LogSupportInfoReasonBugReport {
modInfo , err := getModuleInfo ( )
if err == nil {
@ -589,3 +597,72 @@ func getSecurityInfo() map[string]any {
return result
}
type _MEMORYSTATUSEX struct {
Length uint32
MemoryLoad uint32
TotalPhys uint64
AvailPhys uint64
TotalPageFile uint64
AvailPageFile uint64
TotalVirtual uint64
AvailVirtual uint64
AvailExtendedVirtual uint64
}
func getPageFileInfo ( ) ( map [ string ] any , error ) {
memStatus := _MEMORYSTATUSEX {
Length : uint32 ( unsafe . Sizeof ( _MEMORYSTATUSEX { } ) ) ,
}
if err := globalMemoryStatusEx ( & memStatus ) ; err != nil {
return nil , err
}
result := map [ string ] any {
"bytesAvailable" : memStatus . AvailPageFile ,
"bytesTotal" : memStatus . TotalPageFile ,
}
if entries , err := getEffectivePageFileValue ( ) ; err == nil {
// autoManaged is set to true when there is at least one page file that
// is automatically managed.
autoManaged := false
// If there is only one entry that consists of only one part, then
// the page files are 100% managed by the system.
// If there are multiple entries, then each one must be checked.
// Each entry then consists of three components, deliminated by spaces.
// If the latter two components are both "0", then that entry is auto-managed.
for _ , entry := range entries {
if parts := strings . Split ( entry , " " ) ; ( len ( parts ) == 1 && len ( entries ) == 1 ) ||
( len ( parts ) == 3 && parts [ 1 ] == "0" && parts [ 2 ] == "0" ) {
autoManaged = true
break
}
}
result [ "autoManaged" ] = autoManaged
}
return result , nil
}
func getEffectivePageFileValue ( ) ( [ ] string , error ) {
const subKey = ` SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management `
key , err := registry . OpenKey ( registry . LOCAL_MACHINE , subKey , registry . QUERY_VALUE )
if err != nil {
return nil , err
}
defer key . Close ( )
// Rare but possible case: the user has updated their page file config but
// they haven't yet rebooted for the change to take effect. This is the
// current setting that the machine is still operating with.
if entries , _ , err := key . GetStringsValue ( "ExistingPageFiles" ) ; err == nil {
return entries , nil
}
// Otherwise we use this value (yes, the above value uses "Page" and this one uses "Paging").
entries , _ , err := key . GetStringsValue ( "PagingFiles" )
return entries , err
}
Aaron Klotz
10 months ago