Hi, Mel - > > [...] git kernel developers > > should use git systemtap, as has always been the case. [...] > > At one point in the past this used to be the case but then systemtap had to > be compiled as part of automated tests across different kernel versions. It > could have been worked around in various ways or even installed manually > when machines were deployed but stap-fix.sh generally took less time to > keep working. OK, if that works for you. Keep in mind though that newer versions of systemtap retain backward-compatibility for ancient versions of the kernel, so git systemtap should work on those older versions just fine. > [...] > Yes, this was indeed the problem. The next version of watch-dstate.pl > treated get_request_wait() as a function that may or may not exist. It > uses /proc/kallsyms to figure it out. ... or you can use the "?" punctuation in the script to have systemtap adapt: probe kprobe.function("get_request_wait") ? { ... } - FChE -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>