Fix tracediff to work with new parameter and output directory structure.
Fix tracediff to work with new parameter and output directory structure.

util/tracediff:
    Fix to work with new parameter and output directory structure.

--HG--
extra : convert_revision : 421ed14fa02df7c9e95eb93f4d36b9ff046f1e39

qizenguf/MLC-STT,aclifton/cpeg853-gem5,gedare/gem5,rallylee/gem5,HwisooSo/gemV-update,gedare/gem5,joerocklin/gem5,TUD-OS/gem5-dtu,markoshorro/gem5,yb-kim/gemV,zlfben/gem5,cancro7/gem5,joerocklin/gem5,briancoutinho0905/2dsampling,markoshorro/gem5,sobercoder/gem5,SanchayanMaity/gem5,samueldotj/TeeRISC-Simulator,austinharris/gem5-riscv,TUD-OS/gem5-dtu,yb-kim/gemV,qizenguf/MLC-STT,rjschof/gem5,samueldotj/TeeRISC-Simulator,rallylee/gem5,gem5/gem5,SanchayanMaity/gem5,qizenguf/MLC-STT,austinharris/gem5-riscv,powerjg/gem5-ci-test,gedare/gem5,gem5/gem5,markoshorro/gem5,kaiyuanl/gem5,cancro7/gem5,aclifton/cpeg853-gem5,markoshorro/gem5,yb-kim/gemV,qizenguf/MLC-STT,powerjg/gem5-ci-test,powerjg/gem5-ci-test,aclifton/cpeg853-gem5,Weil0ng/gem5,zlfben/gem5,rallylee/gem5,TUD-OS/gem5-dtu,HwisooSo/gemV-update,kaiyuanl/gem5,sobercoder/gem5,gem5/gem5,yb-kim/gemV,sobercoder/gem5,rallylee/gem5,HwisooSo/gemV-update,gedare/gem5,rjschof/gem5,gedare/gem5,qizenguf/MLC-STT,samueldotj/TeeRISC-Simulator,Weil0ng/gem5,rallylee/gem5,joerocklin/gem5,joerocklin/gem5,aclifton/cpeg853-gem5,samueldotj/TeeRISC-Simulator,Weil0ng/gem5,aclifton/cpeg853-gem5,qizenguf/MLC-STT,KuroeKurose/gem5,kaiyuanl/gem5,rjschof/gem5,joerocklin/gem5,briancoutinho0905/2dsampling,SanchayanMaity/gem5,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu,aclifton/cpeg853-gem5,rjschof/gem5,qizenguf/MLC-STT,gem5/gem5,HwisooSo/gemV-update,sobercoder/gem5,TUD-OS/gem5-dtu,markoshorro/gem5,gem5/gem5,Weil0ng/gem5,sobercoder/gem5,yb-kim/gemV,powerjg/gem5-ci-test,zlfben/gem5,austinharris/gem5-riscv,gedare/gem5,KuroeKurose/gem5,gem5/gem5,rallylee/gem5,KuroeKurose/gem5,joerocklin/gem5,SanchayanMaity/gem5,Weil0ng/gem5,yb-kim/gemV,KuroeKurose/gem5,KuroeKurose/gem5,HwisooSo/gemV-update,yb-kim/gemV,Weil0ng/gem5,SanchayanMaity/gem5,austinharris/gem5-riscv,kaiyuanl/gem5,rallylee/gem5,cancro7/gem5,zlfben/gem5,samueldotj/TeeRISC-Simulator,kaiyuanl/gem5,sobercoder/gem5,austinharris/gem5-riscv,austinharris/gem5-riscv,austinharris/gem5-riscv,briancoutinho0905/2dsampling,samueldotj/TeeRISC-Simulator,cancro7/gem5,cancro7/gem5,KuroeKurose/gem5,rjschof/gem5,KuroeKurose/gem5,joerocklin/gem5,samueldotj/TeeRISC-Simulator,joerocklin/gem5,rjschof/gem5,briancoutinho0905/2dsampling,yb-kim/gemV,rjschof/gem5,HwisooSo/gemV-update,SanchayanMaity/gem5,SanchayanMaity/gem5,TUD-OS/gem5-dtu,cancro7/gem5,kaiyuanl/gem5,kaiyuanl/gem5,powerjg/gem5-ci-test,zlfben/gem5,Weil0ng/gem5,cancro7/gem5,markoshorro/gem5,briancoutinho0905/2dsampling,powerjg/gem5-ci-test,briancoutinho0905/2dsampling,briancoutinho0905/2dsampling,HwisooSo/gemV-update,gedare/gem5,zlfben/gem5,sobercoder/gem5,gem5/gem5,aclifton/cpeg853-gem5,zlfben/gem5,powerjg/gem5-ci-test,markoshorro/gem5