memtest: Split a huge workload by 100M

Signed-off-by: iipeace <iipeace5@gmail.com>

guider/guider.py

@@ -7,7 +7,7 @@
 __credits__ = "Peace Lee"
 __license__ = "GPLv2"
 __version__ = "3.9.8"
-__revision__ = "241105"
+__revision__ = "241106"
 __maintainer__ = "Peace Lee"
 __email__ = "iipeace5@gmail.com"
 __repository__ = "https://github.com/iipeace/guider"
@@ -28661,52 +28661,62 @@ def getNrCrash():
 
     @staticmethod
     def waitForResource(cpuRes=-1, cpuCond="MORE", memRes=-1, memCond="MORE"):
+        # check exit condition #
+        if cpuRes < 0 and memRes < 0:
+            return False
+
         # check condition #
         if cpuRes >= 0:
             SysMgr.printInfo(
                 "wait for system CPU usage %s than %s%%"
                 % (cpuCond, UtilMgr.convNum(cpuRes))
             )
-        elif memRes >= 0:
+        if memRes >= 0:
             SysMgr.printInfo(
                 ("wait for system available memory %s than %s MB")
                 % (memCond, UtilMgr.convNum(memRes))
             )
-        else:
-            return False
 
         # convert condition #
-        if cpuCond:
-            cpuCond = cpuCond.upper()
-        if memCond:
-            memCond = memCond.upper()
+        cpuCond = str(cpuCond).upper()
+        memCond = str(memCond).upper()
 
         # init variables #
+        SysMgr.updateUptime()
         dobj = Debugger(SysMgr.pid, attach=False)
         dobj.initValues()
 
         while 1:
+            # wait next interval #
+            time.sleep(1)
+            SysMgr.updateUptime()
+
+            # check cpu #
             if cpuRes >= 0:
                 cpuStat = dobj.getCpuUsage(system=True)
                 if cpuStat and cpuStat[3]:
                     cpuUsage = 100 - (cpuStat[3] / SysMgr.uptimeDiff)
                     SysMgr.cpuUsage = cpuUsage
                     if cpuCond == "MORE" and cpuUsage >= cpuRes:
-                        return True
+                        cpuRes = -1
                     elif cpuCond == "LESS" and cpuUsage <= cpuRes:
-                        return True
+                        cpuRes = -1
+                    continue
 
+            # check mem #
             if memRes >= 0:
                 memAvail = SysMgr.getAvailMemInfo(retstr=False)
                 if memAvail:
                     SysMgr.memAvail = memAvail = memAvail >> 20
                     if memCond == "MORE" and memAvail >= memRes:
-                        return True
+                        memRes = -1
                     elif memCond == "LESS" and memAvail <= memRes:
-                        return True
+                        memRes = -1
+                continue
 
-            time.sleep(1)
-            SysMgr.updateUptime()
+            # check final status #
+            if cpuRes < 0 and memRes < 0:
+                break
 
     @staticmethod
     def loadLibcObj(exit=False):
@@ -36452,7 +36462,7 @@ def getCmdline(pid, retList=False, cache=False, default=""):
     @staticmethod
     def getTracerId(pid):
         tpid = SysMgr.getTaskAttr(pid, "TracerPid")
-        return tpid if tpid else 0
+        return long(tpid) if tpid else 0
 
     @staticmethod
     def getUid(pid, itype="real"):
@@ -75561,12 +75571,16 @@ def _allocMemory(size, wrPipe=None, ret=False):
 
             # allocate memory #
             try:
-                if "RAND" in SysMgr.environList:
-                    chunk = bytearray(os.urandom(size))
-                else:
-                    chunk = bytearray(size)
-
-                SysMgr.procBuffer = chunk
+                chunk = bytearray(1)
+                while 1:
+                    x = min(size, 100 << 20)
+                    if "RAND" in SysMgr.environList:
+                        chunk += bytearray(os.urandom(x))
+                    else:
+                        chunk += bytearray(x)
+                    size -= x
+                    if size <= 0:
+                        break
             except SystemExit:
                 sys.exit(0)
             except:
@@ -75677,6 +75691,10 @@ def _printUsage(obj, size, alloc=True):
                 pager=False,
             )
 
+            # check termination condition #
+            if not SysMgr.getChildList():
+                sys.exit(0)
+
         # set stream #
         SysMgr.setStream(cut=False)