rr test

rec

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+cmd="\
+time \
+./out/x86_64/buildroot/host/usr/bin/qemu-system-x86_64 \
+-M pc \
+-append 'root=/dev/sda console=ttyS0 nokaslr printk.time=y - lkmc_eval=\"/rand_check.out;/sbin/ifup -a;wget -S google.com;/poweroff.out;\"' \
+-kernel 'out/x86_64/buildroot/images/bzImage' \
+-nographic \
+\
+-drive file=out/x86_64/buildroot/images/rootfs.ext2.qcow2,if=none,id=img-direct,format=qcow2 \
+-drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay \
+-device ide-hd,drive=img-blkreplay \
+\
+-netdev user,id=net1 \
+-device rtl8139,netdev=net1 \
+-object filter-replay,id=replay,netdev=net1 \
+"
+echo "$cmd"
+#eval "$cmd -icount 'shift=7,rr=record,rrfile=replay.bin'"
+# Different than previous.
+eval "$cmd -icount 'shift=7,rr=record,rrfile=replay.bin'"
+# Same as previous.
+eval "$cmd -icount 'shift=7,rr=replay,rrfile=replay.bin'"
+#eval "$cmd -icount 'shift=7,rr=replay,rrfile=replay.bin' -S -s"

recaarch64

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -ex
+
+# TODO has not network but replays fine
+# -device rtl8139,netdev=net1 \
+
+# Has network, but replay hangs.
+#-device virtio-net-device,netdev=net1 \
+
+cmd="\
+time \
+./buildroot/output.aarch64~/host/usr/bin/qemu-system-aarch64 \
+-M virt \
+-cpu cortex-a57 \
+-append 'root=/dev/sda nokaslr norandmaps printk.devkmsg=on printk.time=y - lkmc_eval=\"/rand_check.out;wget -S google.com;/poweroff.out;\"' \
+-kernel ./buildroot/output.aarch64~/images/Image \
+-nographic \
+\
+-device virtio-net-device,netdev=net1 \
+-netdev user,id=net1 \
+-object filter-replay,id=replay,netdev=net1 \
+"
+echo "$cmd"
+eval "$cmd -icount 'shift=7,rr=record,rrfile=replay.bin'"
+eval "$cmd -icount 'shift=7,rr=replay,rrfile=replay.bin'"

recarm

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -ex
+
+# TODO try to use disk image instead of initrd, fails if I add any of:
+#-device lsi,id=scsi0
+#-device scsi-hd,drive=img-blkreplay
+# Without either, super slow:
+#-drive file=./buildroot/output.arm~/images/rootfs.ext2,if=scsi,id=img-direct,format=raw \
+#-drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay \
+
+cmd="\
+time \
+./buildroot/output.arm~/host/usr/bin/qemu-system-arm \
+-M versatilepb \
+-append 'root=/dev/sda nokaslr norandmaps printk.devkmsg=on printk.time=y - lkmc_eval=\"/rand_check.out;wget -S google.com;/poweroff.out;\"' \
+-kernel ./buildroot/output.arm~/images/zImage \
+-dtb ./buildroot/output.arm~/images/versatile-pb.dtb \
+-serial stdio \
+\
+-initrd ./buildroot/output.arm~/images/rootfs.cpio \
+\
+-netdev user,id=net1 \
+-device rtl8139,netdev=net1 \
+-object filter-replay,id=replay,netdev=net1 \
+"
+echo "$cmd"
+eval "$cmd -icount 'shift=7,rr=record,rrfile=replay.bin'"
+eval "$cmd -icount 'shift=7,rr=replay,rrfile=replay.bin'"

run

@@ -208,7 +208,6 @@ ${qemu_common} \
 -M pc \
 -append '${root} nopat ${extra_append}' \
 -device edu \
--device lkmc_pci_min \
 -device virtio-net-pci,netdev=net0 \
 -kernel '${images_dir}/bzImage' \
 ${extra_flags} \