summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--trafgen.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/trafgen.c b/trafgen.c
index 22264cb..deef1f2 100644
--- a/trafgen.c
+++ b/trafgen.c
@@ -1070,6 +1070,14 @@ int main(int argc, char **argv)
sleep(0);
}
+ /*
+ * If number of packets is smaller than number of CPUs use only as
+ * many CPUs as there are packets. Otherwise we end up sending more
+ * packets than intended or none at all.
+ */
+ if (ctx.num)
+ ctx.cpus = min_t(unsigned int, ctx.num, ctx.cpus);
+
irq = device_irq_number(ctx.device);
if (set_irq_aff)
device_set_irq_affinity_list(irq, 0, ctx.cpus - 1);