Messages in this thread |  | | | Date | Fri, 7 May 2004 17:06:54 -0500 | | From | Jack Steiner <> | | Subject | Re: RCU scaling on large systems |
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On Fri, May 07, 2004 at 01:50:48PM -0700, Paul E. McKenney wrote: > On Mon, May 03, 2004 at 01:40:06PM -0500, Jack Steiner wrote: > > Paul - > > > > Hmmm... I took a quick glance, but don't see why an "ls" would > cause RCU to be invoked. This should only happen if a dentry is > ejected from dcache. > > Any enlightenment appreciated! >
The calls to RCU are coming from here:
[11]kdb> bt Stack traceback for pid 3553 0xe00002b007230000 3553 3139 1 11 R 0xe00002b0072304f0 *ls 0xa0000001000feee0 call_rcu 0xa0000001001a3b20 d_free+0x80 0xa0000001001a3ec0 dput+0x340 0xa00000010016bcd0 __fput+0x210 0xa00000010016baa0 fput+0x40 0xa000000100168760 filp_close+0xc0 0xa000000100168960 sys_close+0x180 0xa000000100011be0 ia64_ret_from_syscall I see this same backtrace from numerous processes.
-- Thanks
Jack Steiner (steiner@sgi.com) 651-683-5302 Principal Engineer SGI - Silicon Graphics, Inc.
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