Thanx Philippe
I re-ran valgrind 3.6.0 with "-v -v --stats=yes
--profile-heap=yes" and just before the memory crash I do see new
output, but I cannot understand what I should see from this.
--19677--
client : 23 sbs, 573568 bs, 3297/3297 free bs, 100470784 mmap, 53280112
loan-------- Arena "client": 100470784 mmap'd, 53280112/53280112
max/curr -------- 53,280,112 in 570,271: replacemalloc.cm.1
--19677--
tool : 15 sbs, 745570 bs, 7/7 free bs, 62914560 mmap, 26228624
loan-------- Arena "tool": 62914560 mmap'd, 26228624/26228624 max/curr
-------- 128 in 2: hashtable.Hc.1 128 in 2: commandline.sua.2 128 in 2:
commandline.sua.3 256 in 1: initimg-linux.sce.5 528 in 2: mc.cSVT.1 (sec
VBit table) 704 in 30: mc.resi.1 1,264 in 7: errormgr.mre.2 6,160 in 1:
hashtable.Hc.2 8,368 in 166: mc.iaLL.1 2,359,456 in 2:
hashtable.resize.1 23,851,504 in 745,348: mc.cMC.1 (a
MC_Chunk)
--19677-- client : 29 sbs, 733108 bs, 9946/9946 free bs,
131190784 mmap, 68070720 loan-------- Arena "client": 131190784 mmap'd,
68070720/68070720 max/curr -------- 68,070,720 in 723,162:
replacemalloc.cm.1
--19677-- client : 30 sbs, 678741 bs, 7692/7692 free
bs, 135385088 mmap, 76847008 loan-------- Arena "client": 135385088
mmap'd, 76847008/76847008 max/curr -------- 76,847,008 in 671,049:
replacemalloc.cm.1
--19677-- client : 33 sbs, 679112 bs, 7710/7710 free
bs, 176037888 mmap, 115553744 loan-------- Arena "client": 176037888
mmap'd, 115553744/115553744 max/curr -------- 115,553,744 in 671,402:
replacemalloc.cm.1
--19677-- TT/TC: initialise sector 1--19677-- client
: 35 sbs, 679573 bs, 7752/7752 free bs, 186687488 mmap, 128247232
loan-------- Arena "client": 186687488 mmap'd, 128247232/128247232
max/curr -------- 128,247,232 in 671,821: replacemalloc.cm.1
--19677--
REDIR: 0x31706796f0 (strcspn) redirected to 0x4908e00 (strcspn)--19677--
client : 38 sbs, 627674 bs, 18400/18400 free bs, 201531392 mmap,
141531824 loan-------- Arena "client": 201531392 mmap'd,
141531824/141531824 max/curr -------- 141,531,824 in 609,274:
replacemalloc.cm.1
--19677-- client : 39 sbs, 626844 bs, 18316/18316
free bs, 216150016 mmap, 157200624 loan-------- Arena "client":
216150016 mmap'd, 157200624/157200624 max/curr -------- 157,200,624 in
608,528: replacemalloc.cm.1
--19677-- client : 43 sbs, 621501 bs,
17684/17684 free bs, 232927232 mmap, 173009392 loan-------- Arena
"client": 232927232 mmap'd, 173009392/173009392 max/curr --------
173,009,392 in 603,817: replacemalloc.cm.1
--19677-- client : 47 sbs,
610298 bs, 23535/23535 free bs, 250429440 mmap, 190310464 loan--------
Arena "client": 250429440 mmap'd, 190310464/190310464 max/curr --------
190,310,464 in 586,763: replacemalloc.cm.1
--19677-- client : 50 sbs,
587330 bs, 34531/34531 free bs, 495476736 mmap, 437869472 loan--------
Arena "client": 495476736 mmap'd, 437869472/437869472 max/curr --------
437,869,472 in 552,799: replacemalloc.cm.1
--19677-- client : 51 sbs,
587332 bs, 34531/34531 free bs, 613445632 mmap, 555834320 loan--------
Arena "client": 613445632 mmap'd, 555834320/555834320 max/curr --------
555,834,320 in 552,801: replacemalloc.cm.1
--19677-- TT/TC: initialise
sector 2--19677-- client : 63 sbs, 591866 bs, 69362/69362 free bs,
676491264 mmap, 611707216 loan-------- Arena "client": 676491264 mmap'd,
611707216/611707216 max/curr -------- 611,707,216 in 522,504:
replacemalloc.cm.1
Clues?
Best
Peter
On Fri, 20 Jan 2012
17:30:38 +0100, WAROQUIERS Philippe wrote:
> There has been some
improvements in the way some client malloc patterns are
> managed by
Valgrind in 3.7.0. (see bug 250101).
>
> In SVN 3.8.0, there has been
a recent commit to further improve the memory usage
> (see bug 282230).
>
> To have a better idea about what is happening, it would be good to
> at least run with -v -v --stats=yes
> and optionally with
--profile-heap=yes (this somewhat increases the memory usage).
> This
will very probably give some indications about what consumes that
memory.
> You can then see the difference between a succesful run and a
failing run and/or
> post the stats of the succesful/failing runs here.
>
> Philippe
>
>> -------------------------
>> FROM: Peter Toft
[mailto:[email protected]]
>> SENT: Friday 20 January 2012 16:13
>> TO:
Valgrind users
>> SUBJECT: [Valgrind-users] Extreme memory growth with
Valgrind 3.6.0 and 3.7.0
>>
>> Hi Valgrinders
>>
>> I work from time
to time with code which spans ~500.000 lines of code.
>>
>> When
running I use 500-1000 MB on e.g. Red Hat Linux.
>>
>> When prefixing
my binary with valgrind I normally have good sucess, but occationally
(~1% of all cases) I see the memory growing towards infinity.
>>
>>
Typically I set a general memory limit of 3 GB, where I kill the binary
. I reach that level ~1% of my runs.
>>
>> For the remaining 99% of my
valgrind tests I have a quite limited memory overhead due to valgrind.
>>
>> Have any of you seen similar behavior?
>>
>> --
>> Peter
Toft, PhD
>> http://petertoft.dk
--
Peter Toft,
PhD
http://petertoft.dk
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