Hello,
I realized that the log may not look nicely, so I am attaching it as a
text file.
Victor
On Tue, May 19, 2009 at 6:17 PM, victor jimenez <betaband...@gmail.com> wrote:
> Hello,
>
> I am using perfmon2 on IBM POWER5.
> The version I am using is libpfm 3.8 with kernel 2.6.28 (February
> 19th, 2009 release).
>
> My problem is that between two consecutives readings of the counters I
> get decreasing values. For instance, I want to read the number of
> misses in L2, so I read the counter PM_DATA_FROM_L2MISS. In reading
> 'i' I get 59695 and in reading 'i+1' I get 59637.
>
> I am wondering if this is a bug or it is some sort of limitation.
> However, in my opinion it looks like a bug.
>
> In order to understand what was going on, I modified the kernel to
> print some messages. In the log at the end of the mail the meaning of
> the fields in every line is:
>
> pfm_xxx : the function from where the message is printed
> pid : pid of the process which is printing the message
> task : parameter task which is present in some perfmon2 functions
> ctx : parameter/variable task which is present in some perfmon2 functions
> cnum : counter number
> value : value which is being written into the PMDS
> result : value readed from the PMDS
>
> About the pid field, in my experiment I am running two processes
> (2488, 2489) only 2489 is using perfmon2 (i.e., there is only one
> pfm_context).
>
> In my opinion, the problem comes because perfmon2 sometimes does not
> save PMDS right before a context switch.
>
> For instance, in the next log, at line 1 process 2489 is switched out
> and in line 6 and 8 pfm_save_pmds is called. The value which is being
> saved for counter 3 is 58339. At line 20 the user reads the counter
> with the call to sys_pfm_read_pmds and the value returned is 59695.
>
> The problem is that at line 26 when process 2489 is switched out
> again, the PMDS are not saved. And they are being restored at line 30
> with the old value which was saved before (58339).
>
> After that, the counters keep increasing until we read them again at
> line 103. The value read there is 59637, which is smaller than the
> previous reading (59695).
>
> Here is the log:
>
> 1 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 2 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 3 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 4 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=58339
> 5 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 6 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=2 value=23
> 7 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=58339
> 8 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=3 value=58339
> 9 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2
> value=0
> 10 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3
> value=0
> 11 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=17
> ctx=c0000000e6968000
> 12 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=2
> value=23
> 13 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=3
> value=58339
> 14 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=17
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 15 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters pid=17
> ctx=c0000000e6968000
> 16 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=17
> ctx=c0000000e6968000
> 17 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 18 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 19 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59695
>
> ## 1st reading
>
> 20 May 19 15:35:42 op710n3 kernel: sys_pfm_read_pmds pid=2489
> ctx=c0000000e6968000
> 21 May 19 15:35:42 op710n3 kernel: __pfm_read_pmds pid=2489
> ctx=c0000000e6968000
> 22 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59695
> 23 May 19 15:35:42 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=3
> val=59695 last_reset_val=0
> 24 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 25 May 19 15:35:42 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=2
> val=23 last_reset_val=0
>
> ## value for counter 3 is 59695
>
> 26 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 27 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 28 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 29 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59695
> 30 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=2488
> ctx=c0000000e6968000
> 31 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2488
> cnum=2 value=23
> 32 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2488
> cnum=3 value=58339
> 33 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=2488
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 34 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters
> pid=2489 ctx=c0000000e6968000
> 35 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 36 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 37 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 38 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 39 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=58385
> 40 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 41 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=2 value=23
> 42 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=58385
> 43 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=3 value=58385
> 44 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2
> value=0
> 45 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3
> value=0
> 46 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=645
> ctx=c0000000e6968000
> 47 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=645 cnum=2
> value=23
> 48 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=645
> cnum=3 value=58385
> 49 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=645
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 50 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters pid=645
> ctx=c0000000e6968000
> 51 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=645 ctx=c0000000e6968000
> 52 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 53 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 54 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 55 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=58896
> 56 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 57 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=2 value=23
> 58 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=58896
> 59 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=3 value=58896
> 60 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2
> value=0
> 61 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3
> value=0
> 62 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=2487
> ctx=c0000000e6968000
> 63 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2487
> cnum=2 value=23
> 64 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2487
> cnum=3 value=58896
> 65 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=2487
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 66 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters
> pid=2487 ctx=c0000000e6968000
> 67 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2487 ctx=c0000000e6968000
> 68 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 69 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 70 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 71 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59251
> 72 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 73 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=2 value=23
> 74 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59251
> 75 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=3 value=59251
> 76 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2
> value=0
> 77 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3
> value=0
> 78 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=2485
> ctx=c0000000e6968000
> 79 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2485
> cnum=2 value=23
> 80 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2485
> cnum=3 value=59251
> 81 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=2485
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 82 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters
> pid=2485 ctx=c0000000e6968000
> 83 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters
> pid=2485 ctx=c0000000e6968000
> 84 May 19 15:35:43 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 85 May 19 15:35:43 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 86 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 87 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59505
> 88 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 89 May 19 15:35:43 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=2 value=23
> 90 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59505
> 91 May 19 15:35:43 op710n3 kernel: pfm_save_pmds pid=2489
> ctx=c0000000e6968000 cnum=3 value=59505
> 92 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2
> value=0
> 93 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3
> value=0
> 94 May 19 15:35:43 op710n3 kernel: pfm_arch_restore_pmds pid=17
> ctx=c0000000e6968000
> 95 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=2
> value=23
> 96 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=3
> value=59505
> 97 May 19 15:35:43 op710n3 kernel: pfm_arch_ctxswin_thread pid=17
> task=c0000000e835d5e0 ctx=c0000000e6968000
> 98 May 19 15:35:43 op710n3 kernel: pfm_power5_enable_counters pid=17
> ctx=c0000000e6968000
> 99 May 19 15:35:43 op710n3 kernel: pfm_power5_disable_counters pid=17
> ctx=c0000000e6968000
> 100 May 19 15:35:43 op710n3 kernel: pfm_power5_disable_counters
> pid=2489 ctx=c0000000e6968000
> 101 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 102 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59637
>
> ## 1st reading
>
> 103 May 19 15:35:43 op710n3 kernel: sys_pfm_read_pmds pid=2489
> ctx=c0000000e6968000
> 104 May 19 15:35:43 op710n3 kernel: __pfm_read_pmds pid=2489
> ctx=c0000000e6968000
> 105 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=3 result=59637
> 106 May 19 15:35:43 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=3
> val=59637 last_reset_val=0
> 107 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489
> cnum=2 result=23
> 108 May 19 15:35:43 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=2
> val=23 last_reset_val=0
>
> ## value for counter 3 is 59637
>
> Do you have any clue about what can be happening? Is this normal?
>
> Thanks in advance!
> Victor
>
1 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
task=c0000000e835d5e0 ctx=c0000000e6968000
2 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
3 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
4 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=58339
5 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
6 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=2 value=23
7 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=58339
8 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=3 value=58339
9 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2 value=0
10 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3 value=0
11 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=17
ctx=c0000000e6968000
12 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=2 value=23
13 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=3
value=58339
14 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=17
task=c0000000e835d5e0 ctx=c0000000e6968000
15 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters pid=17
ctx=c0000000e6968000
16 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=17
ctx=c0000000e6968000
17 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
18 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
19 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59695
## 1st reading
20 May 19 15:35:42 op710n3 kernel: sys_pfm_read_pmds pid=2489
ctx=c0000000e6968000
21 May 19 15:35:42 op710n3 kernel: __pfm_read_pmds pid=2489
ctx=c0000000e6968000
22 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59695
23 May 19 15:35:42 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=3 val=59695
last_reset_val=0
24 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
25 May 19 15:35:42 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=2 val=23
last_reset_val=0
## value for counter 3 is 59695
26 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
task=c0000000e835d5e0 ctx=c0000000e6968000
27 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
28 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
29 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59695
30 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=2488
ctx=c0000000e6968000
31 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2488 cnum=2
value=23
32 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2488 cnum=3
value=58339
33 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=2488
task=c0000000e835d5e0 ctx=c0000000e6968000
34 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters pid=2489
ctx=c0000000e6968000
35 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
36 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
task=c0000000e835d5e0 ctx=c0000000e6968000
37 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
38 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
39 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=58385
40 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
41 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=2 value=23
42 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=58385
43 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=3 value=58385
44 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2 value=0
45 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3 value=0
46 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=645
ctx=c0000000e6968000
47 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=645 cnum=2 value=23
48 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=645 cnum=3
value=58385
49 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=645
task=c0000000e835d5e0 ctx=c0000000e6968000
50 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters pid=645
ctx=c0000000e6968000
51 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=645
ctx=c0000000e6968000
52 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
task=c0000000e835d5e0 ctx=c0000000e6968000
53 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
54 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
55 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=58896
56 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
57 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=2 value=23
58 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=58896
59 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=3 value=58896
60 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2 value=0
61 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3 value=0
62 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=2487
ctx=c0000000e6968000
63 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2487 cnum=2
value=23
64 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2487 cnum=3
value=58896
65 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=2487
task=c0000000e835d5e0 ctx=c0000000e6968000
66 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters pid=2487
ctx=c0000000e6968000
67 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2487
ctx=c0000000e6968000
68 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
task=c0000000e835d5e0 ctx=c0000000e6968000
69 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
70 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
71 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59251
72 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
73 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=2 value=23
74 May 19 15:35:42 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59251
75 May 19 15:35:42 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=3 value=59251
76 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2 value=0
77 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3 value=0
78 May 19 15:35:42 op710n3 kernel: pfm_arch_restore_pmds pid=2485
ctx=c0000000e6968000
79 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2485 cnum=2
value=23
80 May 19 15:35:42 op710n3 kernel: pfm_power5_write_pmd pid=2485 cnum=3
value=59251
81 May 19 15:35:42 op710n3 kernel: pfm_arch_ctxswin_thread pid=2485
task=c0000000e835d5e0 ctx=c0000000e6968000
82 May 19 15:35:42 op710n3 kernel: pfm_power5_enable_counters pid=2485
ctx=c0000000e6968000
83 May 19 15:35:42 op710n3 kernel: pfm_power5_disable_counters pid=2485
ctx=c0000000e6968000
84 May 19 15:35:43 op710n3 kernel: pfm_arch_ctxswout_thread pid=2489
task=c0000000e835d5e0 ctx=c0000000e6968000
85 May 19 15:35:43 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
86 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
87 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59505
88 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
89 May 19 15:35:43 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=2 value=23
90 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59505
91 May 19 15:35:43 op710n3 kernel: pfm_save_pmds pid=2489 ctx=c0000000e6968000
cnum=3 value=59505
92 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=2 value=0
93 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=2489 cnum=3 value=0
94 May 19 15:35:43 op710n3 kernel: pfm_arch_restore_pmds pid=17
ctx=c0000000e6968000
95 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=2 value=23
96 May 19 15:35:43 op710n3 kernel: pfm_power5_write_pmd pid=17 cnum=3
value=59505
97 May 19 15:35:43 op710n3 kernel: pfm_arch_ctxswin_thread pid=17
task=c0000000e835d5e0 ctx=c0000000e6968000
98 May 19 15:35:43 op710n3 kernel: pfm_power5_enable_counters pid=17
ctx=c0000000e6968000
99 May 19 15:35:43 op710n3 kernel: pfm_power5_disable_counters pid=17
ctx=c0000000e6968000
100 May 19 15:35:43 op710n3 kernel: pfm_power5_disable_counters pid=2489
ctx=c0000000e6968000
101 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
102 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59637
## 1st reading
103 May 19 15:35:43 op710n3 kernel: sys_pfm_read_pmds pid=2489
ctx=c0000000e6968000
104 May 19 15:35:43 op710n3 kernel: __pfm_read_pmds pid=2489
ctx=c0000000e6968000
105 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=3
result=59637
106 May 19 15:35:43 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=3 val=59637
last_reset_val=0
107 May 19 15:35:43 op710n3 kernel: pfm_power5_read_pmd pid=2489 cnum=2
result=23
108 May 19 15:35:43 op710n3 kernel: __pfm_read_pmds pid=2489 cnum=2 val=23
last_reset_val=0
## value for counter 3 is 59637
------------------------------------------------------------------------------
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