Hi all, I have tested the latest KernalShark 2.0 alpha and "Timestamp synchronization of host - guest tracing session " patch set. The only problem was the missing integration with the new lintracefs, submitted 2 patches to fix it. Steven, please check if there is there is time synchronization data in the guest trace file: trace-cmd dump --options trace-guest.dat ... [Option TimeShift, 44 bytes] 0x6470A6C9720B8D78 [peer's trace id] 2 [samples count] 34248057155152 180882280920 [offset @ time] 34248057142908 186149766692 [offset @ time] ... -- Tzvetomir (Ceco) Stoyanov VMware Open Source Technology Center