* Re: [PATCH] module: ppc64 module CRC relocation fix causes perf issues
2013-07-18 4:00 ` Anton Blanchard
@ 2013-07-19 22:59 ` Scott Wood
2013-07-23 13:30 ` Michael Ellerman
2013-07-24 22:34 ` Anton Blanchard
0 siblings, 2 replies; 15+ messages in thread
From: Scott Wood @ 2013-07-19 22:59 UTC (permalink / raw)
To: Anton Blanchard
Cc: Neil Horman, Rusty Russell, linux-kernel, Paul Mackerras,
linuxppc-dev
[-- Attachment #1: Type: text/plain, Size: 1199 bytes --]
On 07/17/2013 11:00:45 PM, Anton Blanchard wrote:
>
> Hi Scott,
>
> > What specifically should I do to test it?
>
> Could you double check perf annotate works? I'm 99% sure it will but
> that is what was failing on ppc64.
I'm not really sure what it's supposed to look like when "perf
annotate" works. It spits a bunch of unreadable[1] dark-blue-on-black
assembly code at me, all with "0.00 :" in the left column.
Oh, wait -- some lines have "100.00 : " on the left, in
even-more-unreadable dark-red-on-black.
Apart from the annoying colors, is there anything specific I should be
looking for? Some sort of error message, or output that actually makes
sense?
I've attached the output from "perf annotate" and "perf report".
perf.data was generated by "perf record find /usr > /dev/null" on an
NFS root (which took a few seconds to complete), so the large amount of
__alloc_skb makes some sense, but the way perf annotate shows 100% on
one instruction in each function seems odd.
-Scott
[1] ...unless I crank the brightness up on my monitor to the point
where whites are blinding, or redirect the output to a file so the
colors go away.
[-- Attachment #2: annotate --]
[-- Type: text/plain, Size: 37045 bytes --]
Percent | Source code & Disassembly of vmlinux
------------------------------------------------
:
:
:
: Disassembly of section .text:
:
: c0097510 <perf_event_comm>:
0.00 : c0097510: 94 21 ff a0 stwu r1,-96(r1)
0.00 : c0097514: 7c 08 02 a6 mflr r0
0.00 : c0097518: bf 01 00 40 stmw r24,64(r1)
0.00 : c009751c: 7c 7e 1b 78 mr r30,r3
0.00 : c0097520: 90 01 00 64 stw r0,100(r1)
0.00 : c0097524: 3b 80 00 00 li r28,0
0.00 : c0097528: 3b 63 04 68 addi r27,r3,1128
0.00 : c009752c: 3b 40 00 00 li r26,0
0.00 : c0097530: 87 bb 00 04 lwzu r29,4(r27)
0.00 : c0097534: 2f 9d 00 00 cmpwi cr7,r29,0
0.00 : c0097538: 41 9e 00 1c beq- cr7,c0097554 <perf_event_comm+0x44>
0.00 : c009753c: 7f 00 00 a6 mfmsr r24
0.00 : c0097540: 7c 00 01 46 .long 0x7c000146
0.00 : c0097544: 80 1d 00 3c lwz r0,60(r29)
0.00 : c0097548: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c009754c: 40 9e 00 c4 bne- cr7,c0097610 <perf_event_comm+0x100>
0.00 : c0097550: 7f 00 01 06 .long 0x7f000106
100.00 : c0097554: 2f 9c 00 01 cmpwi cr7,r28,1
0.00 : c0097558: 3b 9c 00 01 addi r28,r28,1
0.00 : c009755c: 40 be ff d4 bne- cr7,c0097530 <perf_event_comm+0x20>
0.00 : c0097560: 3d 20 c0 72 lis r9,-16270
0.00 : c0097564: 80 09 99 50 lwz r0,-26288(r9)
0.00 : c0097568: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c009756c: 41 be 00 88 beq+ cr7,c00975f4 <perf_event_comm+0xe4>
0.00 : c0097570: 3b e1 00 08 addi r31,r1,8
0.00 : c0097574: 38 00 00 00 li r0,0
0.00 : c0097578: 39 20 00 03 li r9,3
0.00 : c009757c: 38 9e 01 d8 addi r4,r30,472
0.00 : c0097580: 38 a0 00 10 li r5,16
0.00 : c0097584: 7f e3 fb 78 mr r3,r31
0.00 : c0097588: 90 01 00 1c stw r0,28(r1)
0.00 : c009758c: 90 01 00 20 stw r0,32(r1)
0.00 : c0097590: 90 01 00 28 stw r0,40(r1)
0.00 : c0097594: 90 01 00 2c stw r0,44(r1)
0.00 : c0097598: 90 01 00 30 stw r0,48(r1)
0.00 : c009759c: 91 21 00 24 stw r9,36(r1)
0.00 : c00975a0: 90 01 00 08 stw r0,8(r1)
0.00 : c00975a4: 90 01 00 0c stw r0,12(r1)
0.00 : c00975a8: 90 01 00 10 stw r0,16(r1)
0.00 : c00975ac: 90 01 00 14 stw r0,20(r1)
0.00 : c00975b0: 93 c1 00 18 stw r30,24(r1)
0.00 : c00975b4: 48 1a 05 8d bl c0237b40 <strlcpy>
0.00 : c00975b8: 7f e3 fb 78 mr r3,r31
0.00 : c00975bc: 4b f8 0e 89 bl c0018444 <strlen>
0.00 : c00975c0: 3c 80 c0 09 lis r4,-16375
0.00 : c00975c4: 39 23 00 08 addi r9,r3,8
0.00 : c00975c8: 93 e1 00 1c stw r31,28(r1)
0.00 : c00975cc: 55 29 00 38 rlwinm r9,r9,0,0,28
0.00 : c00975d0: 3c 60 c0 09 lis r3,-16375
0.00 : c00975d4: 38 09 00 10 addi r0,r9,16
0.00 : c00975d8: 91 21 00 20 stw r9,32(r1)
0.00 : c00975dc: 38 63 fd 80 addi r3,r3,-640
0.00 : c00975e0: 38 84 65 50 addi r4,r4,25936
0.00 : c00975e4: 38 a1 00 18 addi r5,r1,24
0.00 : c00975e8: b0 01 00 2a sth r0,42(r1)
0.00 : c00975ec: 38 c0 00 00 li r6,0
0.00 : c00975f0: 4b ff 86 61 bl c008fc50 <perf_event_aux>
0.00 : c00975f4: 80 01 00 64 lwz r0,100(r1)
0.00 : c00975f8: bb 01 00 40 lmw r24,64(r1)
0.00 : c00975fc: 38 21 00 60 addi r1,r1,96
0.00 : c0097600: 7c 08 03 a6 mtlr r0
0.00 : c0097604: 4e 80 00 20 blr
0.00 : c0097608: 60 00 00 00 nop
0.00 : c009760c: 60 00 00 00 nop
0.00 : c0097610: 38 7d 00 08 addi r3,r29,8
0.00 : c0097614: 7f b9 eb 78 mr r25,r29
0.00 : c0097618: 48 48 98 a9 bl c0520ec0 <_raw_spin_lock>
0.00 : c009761c: 7f a3 eb 78 mr r3,r29
0.00 : c0097620: 4b ff ce 81 bl c00944a0 <task_ctx_sched_out>
0.00 : c0097624: 87 f9 00 34 lwzu r31,52(r25)
0.00 : c0097628: 7f 99 f8 00 cmpw cr7,r25,r31
0.00 : c009762c: 3b ff ff f8 addi r31,r31,-8
0.00 : c0097630: 41 9e 00 60 beq- cr7,c0097690 <perf_event_comm+0x180>
0.00 : c0097634: 39 60 00 00 li r11,0
0.00 : c0097638: 60 00 00 00 nop
0.00 : c009763c: 60 00 00 00 nop
0.00 : c0097640: 80 1f 00 a0 lwz r0,160(r31)
0.00 : c0097644: 7c 09 03 78 mr r9,r0
0.00 : c0097648: 74 0a 00 08 andis. r10,r0,8
0.00 : c009764c: 53 49 9b 18 rlwimi r9,r26,19,12,12
0.00 : c0097650: 41 82 00 14 beq- c0097664 <perf_event_comm+0x154>
0.00 : c0097654: 80 1f 00 30 lwz r0,48(r31)
0.00 : c0097658: 91 3f 00 a0 stw r9,160(r31)
0.00 : c009765c: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c0097660: 41 9c 00 50 blt- cr7,c00976b0 <perf_event_comm+0x1a0>
0.00 : c0097664: 83 ff 00 08 lwz r31,8(r31)
0.00 : c0097668: 7f 99 f8 00 cmpw cr7,r25,r31
0.00 : c009766c: 3b ff ff f8 addi r31,r31,-8
0.00 : c0097670: 40 9e ff d0 bne+ cr7,c0097640 <perf_event_comm+0x130>
0.00 : c0097674: 2f 8b 00 00 cmpwi cr7,r11,0
0.00 : c0097678: 41 9e 00 18 beq- cr7,c0097690 <perf_event_comm+0x180>
0.00 : c009767c: 80 7d 00 70 lwz r3,112(r29)
0.00 : c0097680: 2f 83 00 00 cmpwi cr7,r3,0
0.00 : c0097684: 41 9e 00 0c beq- cr7,c0097690 <perf_event_comm+0x180>
0.00 : c0097688: 4b ff a6 69 bl c0091cf0 <put_ctx>
0.00 : c009768c: 93 5d 00 70 stw r26,112(r29)
0.00 : c0097690: 7c 00 04 ac sync
0.00 : c0097694: 93 5d 00 08 stw r26,8(r29)
0.00 : c0097698: 7f a3 eb 78 mr r3,r29
0.00 : c009769c: 4b ff e1 75 bl c0095810 <perf_event_context_sched_in.clone.38>
0.00 : c00976a0: 4b ff fe b0 b c0097550 <perf_event_comm+0x40>
0.00 : c00976a4: 60 00 00 00 nop
0.00 : c00976a8: 60 00 00 00 nop
0.00 : c00976ac: 60 00 00 00 nop
0.00 : c00976b0: 7f e3 fb 78 mr r3,r31
0.00 : c00976b4: 4b ff 83 cd bl c008fa80 <__perf_event_mark_enabled>
0.00 : c00976b8: 39 60 00 01 li r11,1
0.00 : c00976bc: 4b ff ff a8 b c0097664 <perf_event_comm+0x154>
Percent | Source code & Disassembly of vmlinux
------------------------------------------------
:
:
:
: Disassembly of section .text:
:
: c00368c0 <mod_timer>:
100.00 : c00368c0: 94 21 ff d0 stwu r1,-48(r1)
0.00 : c00368c4: 7c 08 02 a6 mflr r0
0.00 : c00368c8: bf 61 00 1c stmw r27,28(r1)
0.00 : c00368cc: 7c 7f 1b 78 mr r31,r3
0.00 : c00368d0: 90 01 00 34 stw r0,52(r1)
0.00 : c00368d4: 7c 9e 23 78 mr r30,r4
0.00 : c00368d8: 83 a3 00 18 lwz r29,24(r3)
0.00 : c00368dc: 2f 9d 00 00 cmpwi cr7,r29,0
0.00 : c00368e0: 41 9c 01 70 blt- cr7,c0036a50 <mod_timer+0x190>
0.00 : c00368e4: 7f bd f2 14 add r29,r29,r30
0.00 : c00368e8: 7f a0 f2 78 xor r0,r29,r30
0.00 : c00368ec: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c00368f0: 90 01 00 08 stw r0,8(r1)
0.00 : c00368f4: 40 9e 01 8c bne- cr7,c0036a80 <mod_timer+0x1c0>
0.00 : c00368f8: 80 1f 00 00 lwz r0,0(r31)
0.00 : c00368fc: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c0036900: 41 9e 01 ac beq- cr7,c0036aac <mod_timer+0x1ec>
0.00 : c0036904: 80 1f 00 08 lwz r0,8(r31)
0.00 : c0036908: 3b 80 00 01 li r28,1
0.00 : c003690c: 7f 80 f0 00 cmpw cr7,r0,r30
0.00 : c0036910: 41 9e 00 f0 beq- cr7,c0036a00 <mod_timer+0x140>
0.00 : c0036914: 80 1f 00 10 lwz r0,16(r31)
0.00 : c0036918: 7c 00 00 34 cntlzw r0,r0
0.00 : c003691c: 54 00 d9 7e rlwinm r0,r0,27,5,31
0.00 : c0036920: 0f 00 00 00 twnei r0,0
0.00 : c0036924: 38 7f 00 0c addi r3,r31,12
0.00 : c0036928: 38 81 00 08 addi r4,r1,8
0.00 : c003692c: 4b ff f9 75 bl c00362a0 <lock_timer_base.clone.24>
0.00 : c0036930: 81 3f 00 00 lwz r9,0(r31)
0.00 : c0036934: 7c 7b 1b 78 mr r27,r3
0.00 : c0036938: 3b 80 00 00 li r28,0
0.00 : c003693c: 2f 89 00 00 cmpwi cr7,r9,0
0.00 : c0036940: 41 9e 00 2c beq- cr7,c003696c <mod_timer+0xac>
0.00 : c0036944: 81 7f 00 04 lwz r11,4(r31)
0.00 : c0036948: 3c 00 00 20 lis r0,32
0.00 : c003694c: 60 00 02 00 ori r0,r0,512
0.00 : c0036950: 3b 80 00 01 li r28,1
0.00 : c0036954: 91 69 00 04 stw r11,4(r9)
0.00 : c0036958: 91 2b 00 00 stw r9,0(r11)
0.00 : c003695c: 90 1f 00 04 stw r0,4(r31)
0.00 : c0036960: 80 1f 00 0c lwz r0,12(r31)
0.00 : c0036964: 70 09 00 01 andi. r9,r0,1
0.00 : c0036968: 41 82 00 b8 beq- c0036a20 <mod_timer+0x160>
0.00 : c003696c: 3d 20 c0 72 lis r9,-16270
0.00 : c0036970: 80 09 98 ec lwz r0,-26388(r9)
0.00 : c0036974: 54 29 00 24 rlwinm r9,r1,0,0,18
0.00 : c0036978: 83 a9 00 08 lwz r29,8(r9)
0.00 : c003697c: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c0036980: 40 9e 01 40 bne- cr7,c0036ac0 <mod_timer+0x200>
0.00 : c0036984: 3d 20 c0 72 lis r9,-16270
0.00 : c0036988: 57 bd 10 3a rlwinm r29,r29,2,0,29
0.00 : c003698c: 39 29 9b 40 addi r9,r9,-25792
0.00 : c0036990: 7d 69 e8 2e lwzx r11,r9,r29
0.00 : c0036994: 3d 20 c0 6d lis r9,-16275
0.00 : c0036998: 39 29 04 70 addi r9,r9,1136
0.00 : c003699c: 7f ab 48 2e lwzx r29,r11,r9
0.00 : c00369a0: 7f 9b e8 00 cmpw cr7,r27,r29
0.00 : c00369a4: 41 9e 00 40 beq- cr7,c00369e4 <mod_timer+0x124>
0.00 : c00369a8: 80 1b 00 04 lwz r0,4(r27)
0.00 : c00369ac: 7f 9f 00 00 cmpw cr7,r31,r0
0.00 : c00369b0: 41 9e 01 2c beq- cr7,c0036adc <mod_timer+0x21c>
0.00 : c00369b4: 80 1f 00 0c lwz r0,12(r31)
0.00 : c00369b8: 54 00 07 be clrlwi r0,r0,30
0.00 : c00369bc: 90 1f 00 0c stw r0,12(r31)
0.00 : c00369c0: 7c 00 04 ac sync
0.00 : c00369c4: 38 00 00 00 li r0,0
0.00 : c00369c8: 90 1b 00 00 stw r0,0(r27)
0.00 : c00369cc: 7f a3 eb 78 mr r3,r29
0.00 : c00369d0: 48 4e a4 f1 bl c0520ec0 <_raw_spin_lock>
0.00 : c00369d4: 80 1f 00 0c lwz r0,12(r31)
0.00 : c00369d8: 54 00 07 be clrlwi r0,r0,30
0.00 : c00369dc: 7f a0 03 78 or r0,r29,r0
0.00 : c00369e0: 90 1f 00 0c stw r0,12(r31)
0.00 : c00369e4: 93 df 00 08 stw r30,8(r31)
0.00 : c00369e8: 7f e4 fb 78 mr r4,r31
0.00 : c00369ec: 7f a3 eb 78 mr r3,r29
0.00 : c00369f0: 4b ff f1 d1 bl c0035bc0 <internal_add_timer>
0.00 : c00369f4: 80 81 00 08 lwz r4,8(r1)
0.00 : c00369f8: 7f a3 eb 78 mr r3,r29
0.00 : c00369fc: 48 4e 9e 65 bl c0520860 <_raw_spin_unlock_irqrestore>
0.00 : c0036a00: 80 01 00 34 lwz r0,52(r1)
0.00 : c0036a04: 7f 83 e3 78 mr r3,r28
0.00 : c0036a08: bb 61 00 1c lmw r27,28(r1)
0.00 : c0036a0c: 38 21 00 30 addi r1,r1,48
0.00 : c0036a10: 7c 08 03 a6 mtlr r0
0.00 : c0036a14: 4e 80 00 20 blr
0.00 : c0036a18: 60 00 00 00 nop
0.00 : c0036a1c: 60 00 00 00 nop
0.00 : c0036a20: 81 23 00 10 lwz r9,16(r3)
0.00 : c0036a24: 80 03 00 0c lwz r0,12(r3)
0.00 : c0036a28: 39 29 ff ff addi r9,r9,-1
0.00 : c0036a2c: 91 23 00 10 stw r9,16(r3)
0.00 : c0036a30: 81 3f 00 08 lwz r9,8(r31)
0.00 : c0036a34: 7f 89 00 00 cmpw cr7,r9,r0
0.00 : c0036a38: 40 9e ff 34 bne+ cr7,c003696c <mod_timer+0xac>
0.00 : c0036a3c: 80 03 00 08 lwz r0,8(r3)
0.00 : c0036a40: 90 03 00 0c stw r0,12(r3)
0.00 : c0036a44: 4b ff ff 28 b c003696c <mod_timer+0xac>
0.00 : c0036a48: 60 00 00 00 nop
0.00 : c0036a4c: 60 00 00 00 nop
0.00 : c0036a50: 3d 20 c0 71 lis r9,-16271
0.00 : c0036a54: 83 a9 30 c4 lwz r29,12484(r9)
0.00 : c0036a58: 7f bd 20 50 subf r29,r29,r4
0.00 : c0036a5c: 2f 9d 00 ff cmpwi cr7,r29,255
0.00 : c0036a60: 40 bd fe 98 ble- cr7,c00368f8 <mod_timer+0x38>
0.00 : c0036a64: 7f bd 46 70 srawi r29,r29,8
0.00 : c0036a68: 7f bd f2 14 add r29,r29,r30
0.00 : c0036a6c: 7f a0 f2 78 xor r0,r29,r30
0.00 : c0036a70: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c0036a74: 90 01 00 08 stw r0,8(r1)
0.00 : c0036a78: 41 9e fe 80 beq+ cr7,c00368f8 <mod_timer+0x38>
0.00 : c0036a7c: 60 00 00 00 nop
0.00 : c0036a80: 38 61 00 08 addi r3,r1,8
0.00 : c0036a84: 38 80 00 20 li r4,32
0.00 : c0036a88: 48 20 94 39 bl c023fec0 <find_last_bit>
0.00 : c0036a8c: 80 1f 00 00 lwz r0,0(r31)
0.00 : c0036a90: 3b c0 00 01 li r30,1
0.00 : c0036a94: 7f de 18 30 slw r30,r30,r3
0.00 : c0036a98: 3b de ff ff addi r30,r30,-1
0.00 : c0036a9c: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c0036aa0: 93 c1 00 08 stw r30,8(r1)
0.00 : c0036aa4: 7f be f0 78 andc r30,r29,r30
0.00 : c0036aa8: 40 9e fe 5c bne+ cr7,c0036904 <mod_timer+0x44>
0.00 : c0036aac: 81 3f 00 10 lwz r9,16(r31)
0.00 : c0036ab0: 2f 89 00 00 cmpwi cr7,r9,0
0.00 : c0036ab4: 39 20 00 01 li r9,1
0.00 : c0036ab8: 7c 09 07 9e .long 0x7c09079e
0.00 : c0036abc: 4b ff fe 64 b c0036920 <mod_timer+0x60>
0.00 : c0036ac0: 7f a3 eb 78 mr r3,r29
0.00 : c0036ac4: 48 02 29 bd bl c0059480 <idle_cpu>
0.00 : c0036ac8: 2f 83 00 00 cmpwi cr7,r3,0
0.00 : c0036acc: 41 9e fe b8 beq+ cr7,c0036984 <mod_timer+0xc4>
0.00 : c0036ad0: 48 02 2c d1 bl c00597a0 <get_nohz_timer_target>
0.00 : c0036ad4: 7c 7d 1b 78 mr r29,r3
0.00 : c0036ad8: 4b ff fe ac b c0036984 <mod_timer+0xc4>
0.00 : c0036adc: 7f 7d db 78 mr r29,r27
0.00 : c0036ae0: 4b ff ff 04 b c00369e4 <mod_timer+0x124>
Percent | Source code & Disassembly of vmlinux
------------------------------------------------
:
:
:
: Disassembly of section .text:
:
: c0096550 <perf_event_comm_output>:
100.00 : c0096550: 94 21 ff 30 stwu r1,-208(r1)
0.00 : c0096554: 7c 08 02 a6 mflr r0
0.00 : c0096558: bf 21 00 b4 stmw r25,180(r1)
0.00 : c009655c: 7c 7b 1b 78 mr r27,r3
0.00 : c0096560: 90 01 00 d4 stw r0,212(r1)
0.00 : c0096564: 3b e4 00 0c addi r31,r4,12
0.00 : c0096568: 7c 9c 23 78 mr r28,r4
0.00 : c009656c: 7f e3 fb 78 mr r3,r31
0.00 : c0096570: 38 81 00 20 addi r4,r1,32
0.00 : c0096574: 7f 65 db 78 mr r5,r27
0.00 : c0096578: a3 3c 00 12 lhz r25,18(r28)
0.00 : c009657c: 4b ff e9 c5 bl c0094f40 <perf_event_header__init_id>
0.00 : c0096580: a0 bc 00 12 lhz r5,18(r28)
0.00 : c0096584: 38 61 00 08 addi r3,r1,8
0.00 : c0096588: 7f 64 db 78 mr r4,r27
0.00 : c009658c: 48 00 37 e5 bl c0099d70 <perf_output_begin>
0.00 : c0096590: 2f 83 00 00 cmpwi cr7,r3,0
0.00 : c0096594: 41 9e 00 1c beq- cr7,c00965b0 <perf_event_comm_output+0x60>
0.00 : c0096598: b3 3c 00 12 sth r25,18(r28)
0.00 : c009659c: 80 01 00 d4 lwz r0,212(r1)
0.00 : c00965a0: bb 21 00 b4 lmw r25,180(r1)
0.00 : c00965a4: 38 21 00 d0 addi r1,r1,208
0.00 : c00965a8: 7c 08 03 a6 mtlr r0
0.00 : c00965ac: 4e 80 00 20 blr
0.00 : c00965b0: 80 9c 00 00 lwz r4,0(r28)
0.00 : c00965b4: 7f 63 db 78 mr r3,r27
0.00 : c00965b8: 3b 40 10 00 li r26,4096
0.00 : c00965bc: 4b ff b9 d5 bl c0091f90 <perf_event_pid>
0.00 : c00965c0: 80 9c 00 00 lwz r4,0(r28)
0.00 : c00965c4: 90 7c 00 14 stw r3,20(r28)
0.00 : c00965c8: 7f 63 db 78 mr r3,r27
0.00 : c00965cc: 4b ff ba 05 bl c0091fd0 <perf_event_tid>
0.00 : c00965d0: 7f e4 fb 78 mr r4,r31
0.00 : c00965d4: 90 7c 00 18 stw r3,24(r28)
0.00 : c00965d8: 38 a0 00 10 li r5,16
0.00 : c00965dc: 38 61 00 08 addi r3,r1,8
0.00 : c00965e0: 48 00 36 d1 bl c0099cb0 <perf_output_copy>
0.00 : c00965e4: 83 dc 00 08 lwz r30,8(r28)
0.00 : c00965e8: 83 bc 00 04 lwz r29,4(r28)
0.00 : c00965ec: 60 00 00 00 nop
0.00 : c00965f0: 83 e1 00 14 lwz r31,20(r1)
0.00 : c00965f4: 7f a4 eb 78 mr r4,r29
0.00 : c00965f8: 80 61 00 18 lwz r3,24(r1)
0.00 : c00965fc: 7f 9e f8 40 cmplw cr7,r30,r31
0.00 : c0096600: 7f fe ff 1e .long 0x7ffeff1e
0.00 : c0096604: 7f e5 fb 78 mr r5,r31
0.00 : c0096608: 7f df f0 50 subf r30,r31,r30
0.00 : c009660c: 4b f8 24 4d bl c0018a58 <memcpy>
0.00 : c0096610: 80 01 00 14 lwz r0,20(r1)
0.00 : c0096614: 81 21 00 18 lwz r9,24(r1)
0.00 : c0096618: 2f 9e 00 00 cmpwi cr7,r30,0
0.00 : c009661c: 7f bd fa 14 add r29,r29,r31
0.00 : c0096620: 7c 1f 00 50 subf r0,r31,r0
0.00 : c0096624: 7d 29 fa 14 add r9,r9,r31
0.00 : c0096628: 2f 00 00 00 cmpwi cr6,r0,0
0.00 : c009662c: 91 21 00 18 stw r9,24(r1)
0.00 : c0096630: 90 01 00 14 stw r0,20(r1)
0.00 : c0096634: 40 9a 00 3c bne- cr6,c0096670 <perf_event_comm_output+0x120>
0.00 : c0096638: 81 61 00 1c lwz r11,28(r1)
0.00 : c009663c: 81 21 00 0c lwz r9,12(r1)
0.00 : c0096640: 38 0b 00 01 addi r0,r11,1
0.00 : c0096644: 90 01 00 1c stw r0,28(r1)
0.00 : c0096648: 81 69 00 0c lwz r11,12(r9)
0.00 : c009664c: 39 6b ff ff addi r11,r11,-1
0.00 : c0096650: 7d 6b 00 38 and r11,r11,r0
0.00 : c0096654: 91 61 00 1c stw r11,28(r1)
0.00 : c0096658: 39 6b 00 10 addi r11,r11,16
0.00 : c009665c: 55 6b 10 3a rlwinm r11,r11,2,0,29
0.00 : c0096660: 7d 29 5a 14 add r9,r9,r11
0.00 : c0096664: 80 09 00 0c lwz r0,12(r9)
0.00 : c0096668: 93 41 00 14 stw r26,20(r1)
0.00 : c009666c: 90 01 00 18 stw r0,24(r1)
0.00 : c0096670: 40 9e ff 80 bne+ cr7,c00965f0 <perf_event_comm_output+0xa0>
0.00 : c0096674: 7f 63 db 78 mr r3,r27
0.00 : c0096678: 38 81 00 08 addi r4,r1,8
0.00 : c009667c: 38 a1 00 20 addi r5,r1,32
0.00 : c0096680: 4b ff e8 e1 bl c0094f60 <perf_event__output_id_sample>
0.00 : c0096684: 38 61 00 08 addi r3,r1,8
0.00 : c0096688: 48 00 39 c9 bl c009a050 <perf_output_end>
0.00 : c009668c: b3 3c 00 12 sth r25,18(r28)
0.00 : c0096690: 80 01 00 d4 lwz r0,212(r1)
0.00 : c0096694: bb 21 00 b4 lmw r25,180(r1)
0.00 : c0096698: 38 21 00 d0 addi r1,r1,208
0.00 : c009669c: 7c 08 03 a6 mtlr r0
0.00 : c00966a0: 4e 80 00 20 blr
Percent | Source code & Disassembly of vmlinux
------------------------------------------------
:
:
:
: Disassembly of section .text:
:
: c0235580 <__rb_insert_augmented>:
0.00 : c0235580: 94 21 ff e0 stwu r1,-32(r1)
0.00 : c0235584: 7c 08 02 a6 mflr r0
0.00 : c0235588: bf 81 00 10 stmw r28,16(r1)
0.00 : c023558c: 7c 9f 23 78 mr r31,r4
0.00 : c0235590: 90 01 00 24 stw r0,36(r1)
0.00 : c0235594: 90 a1 00 08 stw r5,8(r1)
0.00 : c0235598: 81 23 00 00 lwz r9,0(r3)
0.00 : c023559c: 2f 89 00 00 cmpwi cr7,r9,0
0.00 : c02355a0: 41 9e 01 9c beq- cr7,c023573c <__rb_insert_augmented+0x1bc>
0.00 : c02355a4: 83 c9 00 00 lwz r30,0(r9)
0.00 : c02355a8: 73 c0 00 01 andi. r0,r30,1
0.00 : c02355ac: 40 82 00 8c bne- c0235638 <__rb_insert_augmented+0xb8>
0.00 : c02355b0: 81 7e 00 04 lwz r11,4(r30)
0.00 : c02355b4: 63 c0 00 01 ori r0,r30,1
0.00 : c02355b8: 7f c8 f3 78 mr r8,r30
0.00 : c02355bc: 7f 89 58 00 cmpw cr7,r9,r11
100.00 : c02355c0: 2f 0b 00 00 cmpwi cr6,r11,0
0.00 : c02355c4: 41 9e 00 8c beq- cr7,c0235650 <__rb_insert_augmented+0xd0>
0.00 : c02355c8: 41 9a 00 10 beq- cr6,c02355d8 <__rb_insert_augmented+0x58>
0.00 : c02355cc: 81 4b 00 00 lwz r10,0(r11)
0.00 : c02355d0: 71 47 00 01 andi. r7,r10,1
0.00 : c02355d4: 41 82 00 9c beq- c0235670 <__rb_insert_augmented+0xf0>
0.00 : c02355d8: 83 a9 00 04 lwz r29,4(r9)
0.00 : c02355dc: 7d 3c 4b 78 mr r28,r9
0.00 : c02355e0: 7f 9d 18 00 cmpw cr7,r29,r3
0.00 : c02355e4: 41 9e 00 fc beq- cr7,c02356e0 <__rb_insert_augmented+0x160>
0.00 : c02355e8: 2f 9d 00 00 cmpwi cr7,r29,0
0.00 : c02355ec: 93 be 00 08 stw r29,8(r30)
0.00 : c02355f0: 93 c9 00 04 stw r30,4(r9)
0.00 : c02355f4: 41 9e 00 0c beq- cr7,c0235600 <__rb_insert_augmented+0x80>
0.00 : c02355f8: 63 c0 00 01 ori r0,r30,1
0.00 : c02355fc: 90 1d 00 00 stw r0,0(r29)
0.00 : c0235600: 80 1e 00 00 lwz r0,0(r30)
0.00 : c0235604: 54 0b 00 3b rlwinm. r11,r0,0,0,29
0.00 : c0235608: 90 09 00 00 stw r0,0(r9)
0.00 : c023560c: 93 9e 00 00 stw r28,0(r30)
0.00 : c0235610: 41 82 00 c0 beq- c02356d0 <__rb_insert_augmented+0x150>
0.00 : c0235614: 80 0b 00 08 lwz r0,8(r11)
0.00 : c0235618: 7f 80 f0 00 cmpw cr7,r0,r30
0.00 : c023561c: 41 9e 01 14 beq- cr7,c0235730 <__rb_insert_augmented+0x1b0>
0.00 : c0235620: 91 2b 00 04 stw r9,4(r11)
0.00 : c0235624: 80 01 00 08 lwz r0,8(r1)
0.00 : c0235628: 7f c3 f3 78 mr r3,r30
0.00 : c023562c: 7d 24 4b 78 mr r4,r9
0.00 : c0235630: 7c 09 03 a6 mtctr r0
0.00 : c0235634: 4e 80 04 21 bctrl
0.00 : c0235638: 80 01 00 24 lwz r0,36(r1)
0.00 : c023563c: bb 81 00 10 lmw r28,16(r1)
0.00 : c0235640: 38 21 00 20 addi r1,r1,32
0.00 : c0235644: 7c 08 03 a6 mtlr r0
0.00 : c0235648: 4e 80 00 20 blr
0.00 : c023564c: 60 00 00 00 nop
0.00 : c0235650: 81 7e 00 08 lwz r11,8(r30)
0.00 : c0235654: 63 c0 00 01 ori r0,r30,1
0.00 : c0235658: 2f 8b 00 00 cmpwi cr7,r11,0
0.00 : c023565c: 41 9e 00 44 beq- cr7,c02356a0 <__rb_insert_augmented+0x120>
0.00 : c0235660: 81 4b 00 00 lwz r10,0(r11)
0.00 : c0235664: 71 47 00 01 andi. r7,r10,1
0.00 : c0235668: 40 82 00 38 bne- c02356a0 <__rb_insert_augmented+0x120>
0.00 : c023566c: 60 00 00 00 nop
0.00 : c0235670: 90 0b 00 00 stw r0,0(r11)
0.00 : c0235674: 90 09 00 00 stw r0,0(r9)
0.00 : c0235678: 81 3e 00 00 lwz r9,0(r30)
0.00 : c023567c: 55 29 00 3a rlwinm r9,r9,0,0,29
0.00 : c0235680: 2f 89 00 00 cmpwi cr7,r9,0
0.00 : c0235684: 91 3e 00 00 stw r9,0(r30)
0.00 : c0235688: 41 9e 00 b0 beq- cr7,c0235738 <__rb_insert_augmented+0x1b8>
0.00 : c023568c: 83 c9 00 00 lwz r30,0(r9)
0.00 : c0235690: 7d 03 43 78 mr r3,r8
0.00 : c0235694: 73 c7 00 01 andi. r7,r30,1
0.00 : c0235698: 41 82 ff 18 beq+ c02355b0 <__rb_insert_augmented+0x30>
0.00 : c023569c: 4b ff ff 9c b c0235638 <__rb_insert_augmented+0xb8>
0.00 : c02356a0: 83 a9 00 08 lwz r29,8(r9)
0.00 : c02356a4: 7d 3c 4b 78 mr r28,r9
0.00 : c02356a8: 7f 9d 18 00 cmpw cr7,r29,r3
0.00 : c02356ac: 41 9e 00 a4 beq- cr7,c0235750 <__rb_insert_augmented+0x1d0>
0.00 : c02356b0: 2f 9d 00 00 cmpwi cr7,r29,0
0.00 : c02356b4: 93 be 00 04 stw r29,4(r30)
0.00 : c02356b8: 93 c9 00 08 stw r30,8(r9)
0.00 : c02356bc: 40 9e ff 3c bne+ cr7,c02355f8 <__rb_insert_augmented+0x78>
0.00 : c02356c0: 4b ff ff 40 b c0235600 <__rb_insert_augmented+0x80>
0.00 : c02356c4: 60 00 00 00 nop
0.00 : c02356c8: 60 00 00 00 nop
0.00 : c02356cc: 60 00 00 00 nop
0.00 : c02356d0: 91 3f 00 00 stw r9,0(r31)
0.00 : c02356d4: 4b ff ff 50 b c0235624 <__rb_insert_augmented+0xa4>
0.00 : c02356d8: 60 00 00 00 nop
0.00 : c02356dc: 60 00 00 00 nop
0.00 : c02356e0: 81 63 00 08 lwz r11,8(r3)
0.00 : c02356e4: 2f 8b 00 00 cmpwi cr7,r11,0
0.00 : c02356e8: 91 69 00 04 stw r11,4(r9)
0.00 : c02356ec: 91 23 00 08 stw r9,8(r3)
0.00 : c02356f0: 41 9e 00 0c beq- cr7,c02356fc <__rb_insert_augmented+0x17c>
0.00 : c02356f4: 61 20 00 01 ori r0,r9,1
0.00 : c02356f8: 90 0b 00 00 stw r0,0(r11)
0.00 : c02356fc: 80 01 00 08 lwz r0,8(r1)
0.00 : c0235700: 7d 23 4b 78 mr r3,r9
0.00 : c0235704: 93 a9 00 00 stw r29,0(r9)
0.00 : c0235708: 7f a4 eb 78 mr r4,r29
0.00 : c023570c: 7f bc eb 78 mr r28,r29
0.00 : c0235710: 7c 09 03 a6 mtctr r0
0.00 : c0235714: 4e 80 04 21 bctrl
0.00 : c0235718: 7f a9 eb 78 mr r9,r29
0.00 : c023571c: 83 bd 00 04 lwz r29,4(r29)
0.00 : c0235720: 4b ff fe c8 b c02355e8 <__rb_insert_augmented+0x68>
0.00 : c0235724: 60 00 00 00 nop
0.00 : c0235728: 60 00 00 00 nop
0.00 : c023572c: 60 00 00 00 nop
0.00 : c0235730: 91 2b 00 08 stw r9,8(r11)
0.00 : c0235734: 4b ff fe f0 b c0235624 <__rb_insert_augmented+0xa4>
0.00 : c0235738: 7f c3 f3 78 mr r3,r30
0.00 : c023573c: 38 00 00 01 li r0,1
0.00 : c0235740: 90 03 00 00 stw r0,0(r3)
0.00 : c0235744: 4b ff fe f4 b c0235638 <__rb_insert_augmented+0xb8>
0.00 : c0235748: 60 00 00 00 nop
0.00 : c023574c: 60 00 00 00 nop
0.00 : c0235750: 81 63 00 04 lwz r11,4(r3)
0.00 : c0235754: 2f 8b 00 00 cmpwi cr7,r11,0
0.00 : c0235758: 91 69 00 08 stw r11,8(r9)
0.00 : c023575c: 91 23 00 04 stw r9,4(r3)
0.00 : c0235760: 41 9e 00 0c beq- cr7,c023576c <__rb_insert_augmented+0x1ec>
0.00 : c0235764: 61 20 00 01 ori r0,r9,1
0.00 : c0235768: 90 0b 00 00 stw r0,0(r11)
0.00 : c023576c: 80 01 00 08 lwz r0,8(r1)
0.00 : c0235770: 7d 23 4b 78 mr r3,r9
0.00 : c0235774: 93 a9 00 00 stw r29,0(r9)
0.00 : c0235778: 7f a4 eb 78 mr r4,r29
0.00 : c023577c: 7f bc eb 78 mr r28,r29
0.00 : c0235780: 7c 09 03 a6 mtctr r0
0.00 : c0235784: 4e 80 04 21 bctrl
0.00 : c0235788: 7f a9 eb 78 mr r9,r29
0.00 : c023578c: 83 bd 00 08 lwz r29,8(r29)
0.00 : c0235790: 4b ff ff 20 b c02356b0 <__rb_insert_augmented+0x130>
Percent | Source code & Disassembly of vmlinux
------------------------------------------------
:
:
:
: Disassembly of section .text:
:
: c040b270 <__alloc_skb>:
100.00 : c040b270: 94 21 ff d0 stwu r1,-48(r1)
0.00 : c040b274: 7c 08 02 a6 mflr r0
0.00 : c040b278: 7d 80 00 26 mfcr r12
0.00 : c040b27c: 90 01 00 34 stw r0,52(r1)
0.00 : c040b280: 54 a0 07 fe clrlwi r0,r5,31
0.00 : c040b284: 2e 00 00 00 cmpwi cr4,r0,0
0.00 : c040b288: bf 81 00 20 stmw r28,32(r1)
0.00 : c040b28c: 91 81 00 1c stw r12,28(r1)
0.00 : c040b290: 7c 7c 1b 78 mr r28,r3
0.00 : c040b294: 7c 9e 23 78 mr r30,r4
0.00 : c040b298: 41 92 01 18 beq- cr4,c040b3b0 <__alloc_skb+0x140>
0.00 : c040b29c: 3d 20 c0 72 lis r9,-16270
0.00 : c040b2a0: 83 a9 9e 50 lwz r29,-25008(r9)
0.00 : c040b2a4: 3d 20 c0 72 lis r9,-16270
0.00 : c040b2a8: 80 09 c4 3c lwz r0,-15300(r9)
0.00 : c040b2ac: 2f 80 00 00 cmpwi cr7,r0,0
0.00 : c040b2b0: 40 9e 01 24 bne- cr7,c040b3d4 <__alloc_skb+0x164>
0.00 : c040b2b4: 7f a3 eb 78 mr r3,r29
0.00 : c040b2b8: 57 c4 00 3c rlwinm r4,r30,0,0,30
0.00 : c040b2bc: 4b cd 04 25 bl c00db6e0 <kmem_cache_alloc>
0.00 : c040b2c0: 7c 7f 1b 79 mr. r31,r3
0.00 : c040b2c4: 41 82 00 c4 beq- c040b388 <__alloc_skb+0x118>
0.00 : c040b2c8: 7c 00 f9 ec dcbtst r0,r31
0.00 : c040b2cc: 3b 9c 00 3f addi r28,r28,63
0.00 : c040b2d0: 7f c4 f3 78 mr r4,r30
0.00 : c040b2d4: 57 83 00 32 rlwinm r3,r28,0,0,25
0.00 : c040b2d8: 38 a1 00 08 addi r5,r1,8
0.00 : c040b2dc: 38 63 00 c0 addi r3,r3,192
0.00 : c040b2e0: 4b ff ff 01 bl c040b1e0 <__kmalloc_reserve.clone.56>
0.00 : c040b2e4: 7c 7e 1b 79 mr. r30,r3
0.00 : c040b2e8: 41 82 00 d8 beq- c040b3c0 <__alloc_skb+0x150>
0.00 : c040b2ec: 4b cc ec 45 bl c00d9f30 <ksize>
0.00 : c040b2f0: 3b 83 ff 40 addi r28,r3,-192
0.00 : c040b2f4: 7f be e2 15 add. r29,r30,r28
0.00 : c040b2f8: 41 82 00 08 beq- c040b300 <__alloc_skb+0x90>
0.00 : c040b2fc: 7c 00 e9 ec dcbtst r0,r29
0.00 : c040b300: 7f e3 fb 78 mr r3,r31
0.00 : c040b304: 38 80 00 00 li r4,0
0.00 : c040b308: 38 a0 00 98 li r5,152
0.00 : c040b30c: 3b 9c 01 80 addi r28,r28,384
0.00 : c040b310: 4b c0 d5 9d bl c00188ac <memset>
0.00 : c040b314: 89 21 00 08 lbz r9,8(r1)
0.00 : c040b318: 38 00 00 00 li r0,0
0.00 : c040b31c: 93 9f 00 a8 stw r28,168(r31)
0.00 : c040b320: 3b 80 00 01 li r28,1
0.00 : c040b324: 51 20 6c a4 rlwimi r0,r9,13,18,18
0.00 : c040b328: 90 1f 00 78 stw r0,120(r31)
0.00 : c040b32c: 93 9f 00 ac stw r28,172(r31)
0.00 : c040b330: 93 df 00 a0 stw r30,160(r31)
0.00 : c040b334: 7f a3 eb 78 mr r3,r29
0.00 : c040b338: 93 df 00 a4 stw r30,164(r31)
0.00 : c040b33c: 38 80 00 00 li r4,0
0.00 : c040b340: 93 df 00 98 stw r30,152(r31)
0.00 : c040b344: 38 a0 00 24 li r5,36
0.00 : c040b348: 93 bf 00 9c stw r29,156(r31)
0.00 : c040b34c: 4b c0 d5 61 bl c00188ac <memset>
0.00 : c040b350: 93 9d 00 24 stw r28,36(r29)
0.00 : c040b354: 41 92 00 34 beq- cr4,c040b388 <__alloc_skb+0x118>
0.00 : c040b358: 80 1f 00 64 lwz r0,100(r31)
0.00 : c040b35c: 53 80 9a d8 rlwimi r0,r28,19,11,12
0.00 : c040b360: 90 1f 00 64 stw r0,100(r31)
0.00 : c040b364: 93 9f 01 60 stw r28,352(r31)
0.00 : c040b368: 81 7f 01 14 lwz r11,276(r31)
0.00 : c040b36c: 39 40 00 00 li r10,0
0.00 : c040b370: 80 1f 01 28 lwz r0,296(r31)
0.00 : c040b374: 51 4b 9a d8 rlwimi r11,r10,19,11,12
0.00 : c040b378: 91 7f 01 14 stw r11,276(r31)
0.00 : c040b37c: 89 61 00 08 lbz r11,8(r1)
0.00 : c040b380: 51 60 6c a4 rlwimi r0,r11,13,18,18
0.00 : c040b384: 90 1f 01 28 stw r0,296(r31)
0.00 : c040b388: 80 01 00 34 lwz r0,52(r1)
0.00 : c040b38c: 7f e3 fb 78 mr r3,r31
0.00 : c040b390: 81 81 00 1c lwz r12,28(r1)
0.00 : c040b394: bb 81 00 20 lmw r28,32(r1)
0.00 : c040b398: 38 21 00 30 addi r1,r1,48
0.00 : c040b39c: 7c 08 03 a6 mtlr r0
0.00 : c040b3a0: 7d 80 81 20 mtcrf 8,r12
0.00 : c040b3a4: 4e 80 00 20 blr
0.00 : c040b3a8: 60 00 00 00 nop
0.00 : c040b3ac: 60 00 00 00 nop
0.00 : c040b3b0: 3d 20 c0 72 lis r9,-16270
0.00 : c040b3b4: 83 a9 9e 4c lwz r29,-25012(r9)
0.00 : c040b3b8: 4b ff fe ec b c040b2a4 <__alloc_skb+0x34>
0.00 : c040b3bc: 60 00 00 00 nop
0.00 : c040b3c0: 7f e4 fb 78 mr r4,r31
0.00 : c040b3c4: 7f a3 eb 78 mr r3,r29
0.00 : c040b3c8: 4b cc f0 c9 bl c00da490 <kmem_cache_free>
0.00 : c040b3cc: 3b e0 00 00 li r31,0
0.00 : c040b3d0: 4b ff ff b8 b c040b388 <__alloc_skb+0x118>
0.00 : c040b3d4: 70 a0 00 02 andi. r0,r5,2
0.00 : c040b3d8: 63 c0 20 00 ori r0,r30,8192
0.00 : c040b3dc: 7f de 00 9e .long 0x7fde009e
0.00 : c040b3e0: 4b ff fe d4 b c040b2b4 <__alloc_skb+0x44>
[-- Attachment #3: report --]
[-- Type: text/plain, Size: 525 bytes --]
# Events: 8 cycles
#
# Overhead Command Shared Object Symbol
# ........ ....... ................. ......................
#
97.04% find [kernel.kallsyms] [k] __alloc_skb
2.32% find [kernel.kallsyms] [k] mod_timer
0.62% find [kernel.kallsyms] [k] __rb_insert_augmented
0.01% find [kernel.kallsyms] [k] perf_event_comm_output
0.00% find [kernel.kallsyms] [k] perf_event_comm
#
# (For a higher level overview, try: perf report --sort comm,dso)
#
^ permalink raw reply [flat|nested] 15+ messages in thread