lkml.org 
[lkml]   [2003]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] concurrent inode allocation for ext2 against 2.5.64
On Sat, Mar 15, 2003 at 02:02:41PM -0800, William Lee Irwin III wrote:
> c01dc9ac 4532033 21.4566 .text.lock.dec_and_lock
> c0169c0b 3835802 18.1603 .text.lock.dcache
> c0106ff4 1741849 8.24666 default_idle

More detailed wrt. atomic_dec_and_lock():

c01dc920 1344198 6.36401 atomic_dec_and_lock
c01dc920 567 0.0421813
c01dc921 503 0.0374201
c01dc923 8 0.00059515
c01dc924 204 0.0151763
c01dc925 199 0.0148044
c01dc928 211 0.0156971
c01dc92b 335 0.0249219
c01dc92d 27983 2.08176
c01dc930 118 0.00877847
c01dc932 206 0.0153251
c01dc934 181 0.0134653
c01dc936 98 0.00729059
c01dc93a 317972 23.6551
c01dc93c 5 0.000371969
c01dc93e 216 0.0160691
c01dc942 43 0.00319893
c01dc949 176692 13.1448
c01dc962 749 0.055721
c01dc965 809754 60.2407
c01dc967 4 0.000297575
c01dc96a 6005 0.446735
c01dc971 56 0.00416605
c01dc97f 2 0.000148788
c01dc9a1 228 0.0169618
c01dc9a3 217 0.0161435
c01dc9a6 9 0.000669544
c01dc9a7 1328 0.098795
c01dc9a8 141 0.0104895
c01dc9ab 164 0.0122006

c01dc920 <atomic_dec_and_lock>:
c01dc920: 55 push %ebp
c01dc921: 89 e5 mov %esp,%ebp
c01dc923: 56 push %esi
c01dc924: 53 push %ebx
c01dc925: 8b 75 08 mov 0x8(%ebp),%esi
c01dc928: 8b 5d 0c mov 0xc(%ebp),%ebx
c01dc92b: 8b 16 mov (%esi),%edx
c01dc92d: 8d 4a ff lea 0xffffffff(%edx),%ecx
c01dc930: 85 c9 test %ecx,%ecx
c01dc932: 74 0e je c01dc942 <atomic_dec_and_lock+0x2
2>
c01dc934: 89 d0 mov %edx,%eax
c01dc936: f0 0f b1 0e lock cmpxchg %ecx,(%esi)
c01dc93a: 89 c1 mov %eax,%ecx
c01dc93c: 39 d1 cmp %edx,%ecx
c01dc93e: 75 eb jne c01dc92b <atomic_dec_and_lock+0xb
c01dc940: eb 5f jmp c01dc9a1 <atomic_dec_and_lock+0x8
1>
c01dc942: 81 7b 04 ad 4e ad de cmpl $0xdead4ead,0x4(%ebx)
c01dc949: 74 17 je c01dc962 <atomic_dec_and_lock+0x4
2>
c01dc94b: 68 42 c9 1d c0 push $0xc01dc942
c01dc950: 68 4c d1 2e c0 push $0xc02ed14c
c01dc955: e8 4e 28 f4 ff call c011f1a8 <printk>
c01dc95a: 0f 0b ud2a
c01dc95c: 7b 00 jnp c01dc95e <atomic_dec_and_lock+0x3
e>
c01dc95e: 35 d1 2e c0 f0 xor $0xf0c02ed1,%eax
c01dc963: fe 0b decb (%ebx)
c01dc965: 78 45 js c01dc9ac <.text.lock.dec_and_lock
>
c01dc967: f0 ff 0e lock decl (%esi)
c01dc96a: 0f 94 c0 sete %al
c01dc96d: 84 c0 test %al,%al
c01dc96f: 74 07 je c01dc978 <atomic_dec_and_lock+0x5
8>
c01dc971: b8 01 00 00 00 mov $0x1,%eax
c01dc976: eb 2b jmp c01dc9a3 <atomic_dec_and_lock+0x8
3>
c01dc978: 81 7b 04 ad 4e ad de cmpl $0xdead4ead,0x4(%ebx)
c01dc97f: 74 0f je c01dc990 <atomic_dec_and_lock+0x7
0>
c01dc981: 0f 0b ud2a
c01dc983: 4a dec %edx
c01dc984: 00 35 d1 2e c0 8d add %dh,0x8dc02ed1
c01dc98a: b4 26 mov $0x26,%ah
c01dc98c: 00 00 add %al,(%eax)
c01dc98e: 00 00 add %al,(%eax)
c01dc990: 8a 03 mov (%ebx),%al
c01dc992: 84 c0 test %al,%al
c01dc994: 7e 08 jle c01dc99e <atomic_dec_and_lock+0x7
e>
c01dc996: 0f 0b ud2a
c01dc998: 4c dec %esp
c01dc999: 00 35 d1 2e c0 c6 add %dh,0xc6c02ed1
c01dc99f: 03 01 add (%ecx),%eax
c01dc9a1: 31 c0 xor %eax,%eax
c01dc9a3: 8d 65 f8 lea 0xfffffff8(%ebp),%esp
c01dc9a6: 5b pop %ebx
c01dc9a7: 5e pop %esi
c01dc9a8: 89 ec mov %ebp,%esp
c01dc9aa: 5d pop %ebp
c01dc9ab: c3 ret
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:34    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site