Konstantin Serebryany > Dear valgrind developers, > > How do you usually profile valgrind tools? > > I tried to profile a particularly long run of helgrind with oprofile. > The test runs ~1 second on a real CPU and fails after few hours under > helgrind. > The flat profile (after running for ~20 minutes and then pressing ^C) is: > > 8012128 56.8375 vgHelgrind_nextIterFM > 3130689 22.2089 shadow_mem_make_NoAccess > 1777779 12.6115 is_sane_Lock_BASE > 241600 1.7139 cacheline_wback > 194274 1.3782 avl_find_node > 172924 1.2267 cacheline_fetch > > I wanted to get the callgraph profile with oprofile, but it did not work > :( > > Would it be possible to run helgrind under callgrind?
I don't know about this specific combination, but there is a section on Self-hosting in Valgrind's file README_DEVELOPERS. > Did you try gprof? > Any > other suggestions? > > The output of -v (after 10 minutes run) follows, > Thanks, > > --kcc > > > > WordSet "univ_tsets": > addTo 22480424 (103026 uncached) > delFrom 0 (0 uncached) > union 6 > intersect 0 (0 uncached) [nb. incl isSubsetOf] > minus 0 (0 uncached) > elem 0 > doubleton 690570 > isEmpty 0 > isSingleton 0 > anyElementOf 0 > isSubsetOf 0 > > WordSet "univ_lsets": > addTo 23193877 (1663 uncached) > delFrom 264477 (1777 uncached) > union 0 > intersect 22480375 (2546 uncached) [nb. incl isSubsetOf] > minus 1103497 (3271 uncached) > elem 38718 > doubleton 0 > isEmpty 5564937 > isSingleton 0 > anyElementOf 111388 > isSubsetOf 1 > > WordSet "univ_laog": > addTo 15126 (1059 uncached) > delFrom 4 (3 uncached) > union 0 > intersect 0 (0 uncached) [nb. incl isSubsetOf] > minus 0 (0 uncached) > elem 0 > doubleton 110 > isEmpty 0 > isSingleton 0 > anyElementOf 0 > isSubsetOf 0 > > hbefore: 2,947,164 queries > hbefore: 2,579,162 cache 0 hits > hbefore: 366,749 cache > 0 hits > hbefore: 1,253 graph searches > hbefore: 1,253 of which slow > hbefore: 0 stack high water mark > hbefore: 1 cache invals > hbefore: 3,986,562 probes > > segments: 115 Segment objects allocated > locksets: 376 unique lock sets > threadsets: 1,824 unique thread sets > univ_laog: 276 unique lock sets > L(ast)L(ock) map: 111,388 inserts (111382 map size) > LockN-to-P map: 0 queries (0 map size) > string table map: 3 queries (2 map size) > LAOG: 110 map size > LAOG exposition: 220 map size > locks: 20,541 acquires, 20,539 releases > sanity checks: 1 > > msm: 940,233,639 134,911,383 rd/wr_Excl_nochange > msm: 2,247,835 8,765 rd/wr_Excl_transfer > msm: 689,209 1,355 rd/wr_Excl_to_ShR/ShM > msm: 21,895,558 285 rd/wr_ShR_to_ShR/ShM > msm: 568,124 16,407 rd/wr_ShM_to_ShM > msm: 14,346,151 73,185,872 rd/wr_New_to_Excl > msm: 15,436,322 9,849,548 rd/wr_NoAccess > > secmaps: 152,486 allocd (1,249,165,312 g-a-range) > linesZ: 39,036,416 allocd ( 936,873,984 bytes occupied) > linesF: 108,317 allocd ( 14,297,844 bytes occupied) > secmaps: 9,910,787 iterator steppings > > cache: 1,713,992,037 totrefs (127,941,812 misses) > cache: 127,301,323 Z-fetch, 640,489 F-fetch > cache: 127,174,345 Z-wback, 701,931 F-wback > cache: 5 invals, 4 flushes > > cline: 127,941,812 normalises > cline: reads 8/4/2/1: 641,284,727 123,701,933 9,885,381 > 223,364,501 > cline: writes 8/4/2/1: 178,916,609 35,642,116 321,318 > 3,570,498 > cline: sets 8/4/2/1: 464,389,946 52,889 51,272 > 58,262 > cline: get1s 5,137, copy1s 5,136 > cline: splits: 8to4 893,992 4to2 1,052,314 2to1 > 1,350,324 > cline: pulldowns: 8to4 37,966,008 4to2 9,893,933 2to1 > 27,935,348 > ------------------------------------------------------------------------- > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace_______________________________________________ > Valgrind-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/valgrind-developers > ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Valgrind-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/valgrind-developers
