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Fragmentation and concatenation benchmark

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This commit is contained in:
Alexander Krotov
2015-08-02 19:26:35 +03:00
parent 6250c61bcf
commit 01983101a6
1 changed files with 28 additions and 0 deletions
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28
utils/bench-packets.cc
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@@ -253,6 +253,33 @@ benchC (uint32_t n)
}
}
static void
benchFragment (uint32_t n)
{
BenchHeader<25> ipv4;
BenchHeader<8> udp;
for (uint32_t i= 0; i < n; i++) {
Ptr<Packet> p = Create<Packet> (2000);
p->AddHeader (udp);
p->AddHeader (ipv4);
Ptr<Packet> frag0 = p->CreateFragment (0, 250);
Ptr<Packet> frag1 = p->CreateFragment (250, 250);
Ptr<Packet> frag2 = p->CreateFragment (500, 500);
Ptr<Packet> frag3 = p->CreateFragment (1000, 500);
Ptr<Packet> frag4 = p->CreateFragment (1500, 500);
/* Mix fragments in different order */
frag2->AddAtEnd (frag3);
frag4->AddAtEnd (frag1);
frag2->AddAtEnd (frag4);
frag0->AddAtEnd (frag2);
frag0->RemoveHeader (ipv4);
frag0->RemoveHeader (udp);
}
}
static void
runBench (void (*bench) (uint32_t), uint32_t n, char const *name)
@@ -301,6 +328,7 @@ int main (int argc, char *argv[])
runBench (&benchB, n, "Just add headers");
runBench (&benchC, n, "Remove by func call");
runBench (&benchD, n, "Intermixed add/remove headers and tags");
runBench (&benchFragment, n, "Fragmentation and concatenation");
return 0;
}