This is the mail archive of the systemtap@sourceware.org mailing list for the systemtap project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug uprobes/5275] uprobes: smarter insn slot allocation for SSOL


------- Additional Comments From jkenisto at us dot ibm dot com  2007-11-06 21:29 -------
(In reply to comment #1)
> Would it make sense to bypass uprobe_ssol_slot() totally for powerpc (and like
> archs) that may potentially never need the lru to kick in?

There's definitely sense in that.  It would impose a theoretical limit on the
number of probepoints a process could hit; but registering 16K uprobes would
probably stretch some practical limits -- e.g., related to the size of struct
uprobe_probept or the lengths of the hash lists in uproc->uprobe_table[].

Unfortunately, making all the slots private on 1-2 architectures doesn't reduce
overall code complexity.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=5275

------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]