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Make use of call summaries instead of streaming all events

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Ole André Vadla Ravnås
2013-10-20 19:34:50 +02:00
parent d5873eb448
commit 6e6500b341
1 changed files with 10 additions and 9 deletions
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examples/cpushark/Capture.py
+10 -9
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@@ -118,8 +118,8 @@ class Capture(NSObject):
name = stanza['name']
if fromAddress == "/process/modules" and name == '+sync':
self.modules._sync(stanza['payload'])
elif fromAddress == "/stalker/events" and name == '+add':
self.calls._add_(data)
elif fromAddress == "/stalker/calls" and name == '+add':
self.calls._add_(stanza['payload'])
elif fromAddress == "/interceptor/functions" and name == '+add':
pass
else:
@@ -211,13 +211,14 @@ class Calls(NSObject):
def _add_(self, data):
modules = self.capture.modules
for offset in range(0, len(data), 16):
[t, location, target, depth] = struct.unpack("IIII", data[offset:offset + 16])
for rawTarget, count in data['summary'].items():
target = int(rawTarget, 16)
tm = self.getTargetModuleByModule_(modules.lookup(target))
if tm is not None:
tm.total += 1
tm.total += count
tf = tm.getTargetFunctionByAddress_(target)
tf.total += 1
tf.total += count
self.targetModules.sort(key=lambda tm: tm.total, reverse=True)
for tm in self.targetModules:
tm.functions.sort(self._compareFunctions)
@@ -361,7 +362,7 @@ var probes = Object.create(null);
var initialize = function initialize() {
Stalker.trustThreshold = 2000;
Stalker.queueCapacity = 1000000;
Stalker.queueDrainInterval = 50;
Stalker.queueDrainInterval = 250;
sendModules(function () {
interceptReadFunction('recv');
@@ -436,8 +437,8 @@ var interceptReadFunction = function interceptReadFunction(functionName) {
events: {
call: true
},
onReceive: function onReceive(events) {
send({ name: '+add', from: "/stalker/events", payload: { size: events.length } }, events);
onCallSummary: function onCallSummary(summary) {
send({ name: '+add', from: "/stalker/calls", payload: { summary: summary } });
}
});
}