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Cygwin: getpriority() and top display for priority is inconsistent 

Fix this by aligning /proc/[PID]/stat to the values returned by getpriority().
This commit is contained in:
Lavrentiev, Anton 2019-08-07 19:27:41 +00:00 committed by Corinna Vinschen
parent 472fbb8b97
commit 5fa9a0e708
1 changed files with 3 additions and 15 deletions
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18
winsup/cygwin/fhandler_process.cc
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@ -1076,7 +1076,7 @@ format_process_stat (void *data, char *&destbuf)
unsigned long fault_count = 0UL,
vmsize = 0UL, vmrss = 0UL, vmmaxrss = 0UL;
uint64_t utime = 0ULL, stime = 0ULL, start_time = 0ULL;
int priority = 0;
if (p->process_state & PID_EXITED)
strcpy (cmd, "<defunct>");
else
@ -1105,7 +1105,6 @@ format_process_stat (void *data, char *&destbuf)
HANDLE hProcess;
VM_COUNTERS vmc = { 0 };
KERNEL_USER_TIMES put = { 0 };
PROCESS_BASIC_INFORMATION pbi = { 0 };
QUOTA_LIMITS ql = { 0 };
SYSTEM_TIMEOFDAY_INFORMATION stodi = { 0 };
@ -1134,11 +1133,6 @@ format_process_stat (void *data, char *&destbuf)
if (!NT_SUCCESS (status))
debug_printf ("NtQueryInformationProcess(ProcessTimes): status %y",
status);
status = NtQueryInformationProcess (hProcess, ProcessBasicInformation,
(PVOID) &pbi, sizeof pbi, NULL);
if (!NT_SUCCESS (status))
debug_printf ("NtQueryInformationProcess(ProcessBasicInformation): "
"status %y", status);
status = NtQueryInformationProcess (hProcess, ProcessQuotaLimits,
(PVOID) &ql, sizeof ql, NULL);
if (!NT_SUCCESS (status))
@ -1159,17 +1153,11 @@ format_process_stat (void *data, char *&destbuf)
* CLOCKS_PER_SEC / NS100PERSEC;
else
start_time = (p->start_time - to_time_t (&stodi.BootTime)) * CLOCKS_PER_SEC;
/* The BasePriority returned to a 32 bit process under WOW64 is
apparently broken, for 32 and 64 bit target processes. 64 bit
processes get the correct base priority, even for 32 bit processes. */
if (wincap.is_wow64 ())
priority = 8; /* Default value. */
else
priority = pbi.BasePriority;
unsigned page_size = wincap.page_size ();
vmsize = vmc.PagefileUsage;
vmrss = vmc.WorkingSetSize / page_size;
vmmaxrss = ql.MaximumWorkingSetSize / page_size;
int nice = winprio_to_nice(GetPriorityClass(hProcess));
destbuf = (char *) crealloc_abort (destbuf, strlen (cmd) + 320);
return __small_sprintf (destbuf, "%d (%s) %c "
@ -1181,7 +1169,7 @@ format_process_stat (void *data, char *&destbuf)
p->pid, cmd, state,
p->ppid, p->pgid, p->sid, p->ctty, -1,
0, fault_count, fault_count, 0, 0, utime, stime,
utime, stime, priority, 0, 0, 0,
utime, stime, NZERO + nice, nice, 0, 0,
start_time, vmsize,
vmrss, vmmaxrss
);