search for: issig_forr

Hi all, I am trying to write a D script which would print ustack() for every program in the system receiving SIGSEGV. All the stacks printed in trap()/sigtoproc() context do not have meaningful symbols. The following solves the problem to some degree but I''d much rather have a self-contained D script. dtrace -w -n ''fbt:genunix:sigtoproc:entry/arg2 == 11/ {

Hi, I''m trying to use dtrace to signal threads in my app when certain events happen, and the raise() action seemed adequate -- looking at the kernel sources, it sends a signal to the currently executing thread, and a quick microbenchmark confirmed this. However, further testing showed that if lots of threads hit the event simultaneously, the signal only gets delivered once, and may also

on Solaris 10 5.10 Generic_118822-23 sun4v sparc SUNW,Sun-Fire-T200 I run #iostat -xn 5 to monitor the IO statistics on SF T2000 server. The system also have a heavy IO load, for some reason iostat donot refresh (no any update). It seems like iostat is calling pause() and stucked there. Also my HBA driver''s interrupt stack trace indicates there is a lot of swtch(), the overall IOPS