(2014/05/29 6:44), Arnaldo Carvalho de Melo wrote: > Masami-san, > > While trying: > > [root@zoo ~]# perf probe 'vfs_getname=getname_flags:65 > pathname=result->name:string' > Failed to find the location of result at this address. > Perhaps, it has been optimized out. > Failed to find 'result' in this function. > Error: Failed to add events. (-2) > [root@zoo ~]# perf probe 'vfs_getname=getname_flags:65 > pathname=result->name:string' > Added new event: > Segmentation fault (core dumped) > > I got segfaulted while in the past I would get the much nicer: > > [root@zoo ~]# perf probe 'vfs_getname=getname_flags:65 > pathname=result->name:string' > Failed to find the location of result at this address. > Perhaps, it has been optimized out. > Failed to find 'result' in this function. > Error: Failed to add events. (-2) > [root@zoo ~]#
Oops, I got that. Bad SEGV was reproduced here too. And I've found an error-handling miss in the convert_variable(), I'll send a patch for fixing it. Thank you very much for bisecting and finding my fault. -- Masami HIRAMATSU Software Platform Research Dept. Linux Technology Research Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: [email protected] -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
