Comment # 20 on bug 1229450 from Jiri Slaby

Created attachment 876861 [details]
valgrind --tool=massif output

Run on 64bit:
pahole -j32 -> 4.102 GB
pahole -j16 -> 3.895 GB
pahole -j1 -> 3.706 GB

On 32bit:
pahole -j32 -> 2.870 GB (crash)
pahole -j16 -> 2.810 GB
pahole -j1 -> 2.444 GB

The first one reached the limit. The other two are not really much better...

The top eater:
> 99.74% (3,966,953,649B) (heap allocation functions) malloc/new/new[], --alloc-fns, etc.
> ->87.57% (3,482,844,356B) 0x49B7EB4: _obstack_newchunk (obstack.c:261)
> | ->83.08% (3,304,324,608B) 0x488BF53: UnknownInlinedFun (dwarves.c:40)
> | | ->83.08% (3,304,324,608B) 0x488BF53: cu__zalloc (dwarves.c:50)
> | |   ->24.01% (954,816,480B) 0x489B4AB: UnknownInlinedFun (dwarf_loader.c:462)
> | |   | ->24.01% (954,816,480B) 0x489B4AB: UnknownInlinedFun (dwarf_loader.c:477)
> | |   |   ->24.01% (954,816,480B) 0x489B4AB: UnknownInlinedFun (dwarf_loader.c:959)
> | |   |     ->24.01% (954,816,480B) 0x489B4AB: die__process_class (dwarf_loader.c:1815)
> | |   |       ->22.53% (896,148,576B) 0x489A129: UnknownInlinedFun (dwarf_loader.c:1492)
> | |   |       | ->22.53% (896,148,576B) 0x489A129: __die__process_tag (dwarf_loader.c:2203)
> | |   |       |   ->22.53% (896,079,488B) 0x489C250: die__process_unit (dwarf_loader.c:2243)
> | |   |       |   | ->22.53% (896,079,488B) 0x489C364: die__process (dwarf_loader.c:2858)
> | |   |       |   |   ->22.53% (896,079,488B) 0x489CE5C: UnknownInlinedFun (dwarf_loader.c:2873)
> | |   |       |   |     ->22.53% (896,079,488B) 0x489CE5C: UnknownInlinedFun (dwarf_loader.c:3243)
> | |   |       |   |       ->22.53% (896,079,488B) 0x489CE5C: UnknownInlinedFun (dwarf_loader.c:3259)
> | |   |       |   |         ->22.53% (896,079,488B) 0x489CE5C: UnknownInlinedFun (dwarf_loader.c:3388)
> | |   |       |   |           ->22.53% (896,079,488B) 0x489CE5C: UnknownInlinedFun (dwarf_loader.c:3402)
> | |   |       |   |             ->22.53% (896,079,488B) 0x489CE5C: UnknownInlinedFun (dwarf_loader.c:3537)
> | |   |       |   |               ->22.53% (896,079,488B) 0x489CE5C: cus__process_dwflmod (dwarf_loader.c:3581)
> | |   |       |   |                 ->22.53% (896,079,488B) 0x4B66130: dwfl_getmodules (in /usr/lib64/libdw-0.191.so)
> | |   |       |   |                   ->22.53% (896,079,488B) 0x489D73F: UnknownInlinedFun (dwarf_loader.c:3647)
> | |   |       |   |                     ->22.53% (896,079,488B) 0x489D73F: dwarf__load_file.lto_priv.0 (dwarf_loader.c:3684)
> | |   |       |   |                       ->22.53% (896,079,488B) 0x488928E: cus__load_file (dwarves.c:2134)
> | |   |       |   |                         ->22.53% (896,079,488B) 0x488DD67: cus__load_files (dwarves.c:2637)
> | |   |       |   |                           ->22.53% (896,079,488B) 0x10CB07: main (pahole.c:3805)