diff options
| -rw-r--r-- | default.nix | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/default.nix b/default.nix index 3966c2c..790bd36 100644 --- a/default.nix +++ b/default.nix @@ -377,6 +377,17 @@ in rec { qemuDriveOptions = lib.concatMapStringsSep " " (d: "-drive if=virtio,readonly,format=raw,file=${d}"); + suspensionUseCompression = true; + suspensionWriteCommand = + if suspensionUseCompression + then "${lz4}/bin/lz4 -9 --favor-decSpeed -" + else "cat >"; + + suspensionReadCommand = + if suspensionUseCompression + then "${lz4}/bin/lz4 -d --favor-decSpeed" + else "cat "; + run = args@{ name, fullPath, initrdPath, storeDrives, mem, desc, ... }: writeShellScriptBin "run-qemu" '' # ${name} # needs ''${concatStringsSep ", " fullPath} @@ -396,7 +407,7 @@ in rec { ${qemu}/bin/qemu-system-x86_64 \ ${commonQemuOptions} ${qemuDriveOptions (builtins.attrValues storeDrives)} \ - -incoming 'exec:${lz4}/bin/lz4 -d ${suspension args}' | ${dos2unix}/bin/dos2unix -f | head -c 1M + -incoming 'exec:${suspensionReadCommand} ${suspension args}' | ${dos2unix}/bin/dos2unix -f | head -c 1M # ^ qemu incorrectly does crlf conversion, check in the future if still necessary '' // args; @@ -416,7 +427,7 @@ in rec { ( read ready < job/control echo '{ "execute": "qmp_capabilities" }' - echo '{ "execute": "migrate", "arguments": { "uri": "exec:lz4 -9 - '$out'" } }' + echo '{ "execute": "migrate", "arguments": { "uri": "exec:${suspensionWriteCommand} '$out'" } }' sleep 15 # FIXME echo '{ "execute": "quit" }' ) | ${netcat}/bin/nc -lU job/qmp & |