valgrind --tool=massif ./massif_example # ==17512== Massif, a heap profiler # ==17512== Copyright (C) 2003-2017, and GNU GPL'd, by Nicholas Nethercote # ==17512== Using Valgrind-3.16.0 and LibVEX; rerun with -h for copyright info # ==17512== Command: ./massif_example # ==17512== # ==17512== # The suffix for the massif output file is the process id that can be found # to the left of the massif terminal output. ms_print massif.out.17512 > massif_example.c.annotated # -------------------------------------------------------------------------------- # Command: ./massif_example # Massif arguments: (none) # ms_print arguments: massif.out.17512 # -------------------------------------------------------------------------------- # # # MB # 305.2^::::::#::::::::::::::::::::::::::@@@@@@@::::::::::::::::::::::::::: # |: # : : : @ : : : : # |: # : : : @ : : : : # |: # : : : @ : : : : # |: # : : : @ : : : : # |: # : : : @ : : : : :::: # |: # : : : @ : : : : : # |: # : : : @ : : : : : # |: # : : : @ : : : : : # |: # : : : @ : : : : : # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # |: # : : : @ : : : : : @ # 0 +----------------------------------------------------------------------->Mi # 0 715.4 # # Number of snapshots: 28 # Detailed snapshots: [5 (peak), 15, 25] # # -------------------------------------------------------------------------------- # n time(i) total(B) useful-heap(B) extra-heap(B) stacks(B) # -------------------------------------------------------------------------------- # 0 0 0 0 0 0 # 1 153,593 80,003,016 80,000,000 3,016 0 # 2 153,627 160,006,032 160,000,000 6,032 0 # 3 153,661 240,009,048 240,000,000 9,048 0 # 4 153,695 320,012,064 320,000,000 12,064 0 # 5 70,154,377 320,012,064 320,000,000 12,064 0 # 100.00% (320,000,000B) (heap allocation functions) malloc/new/new[], --alloc-fns, etc. # ->25.00% (80,000,000B) 0x401068: main (massif_example.c:14) # | # ->25.00% (80,000,000B) 0x401075: main (massif_example.c:15) # | # ->25.00% (80,000,000B) 0x401082: main (massif_example.c:17) # | # ->25.00% (80,000,000B) 0x40108F: main (massif_example.c:20) # # -------------------------------------------------------------------------------- # n time(i) total(B) useful-heap(B) extra-heap(B) stacks(B) # -------------------------------------------------------------------------------- # 6 70,154,377 240,009,048 240,000,000 9,048 0 # 7 70,154,409 320,012,064 320,000,000 12,064 0 # 8 140,154,444 240,009,048 240,000,000 9,048 0 # 9 140,154,476 320,012,064 320,000,000 12,064 0 # 10 210,154,511 240,009,048 240,000,000 9,048 0 # 11 210,154,543 320,012,064 320,000,000 12,064 0 # 12 280,154,578 240,009,048 240,000,000 9,048 0 # 13 280,154,610 320,012,064 320,000,000 12,064 0 # 14 350,154,645 240,009,048 240,000,000 9,048 0 # 15 350,154,677 320,012,064 320,000,000 12,064 0 # 100.00% (320,000,000B) (heap allocation functions) malloc/new/new[], --alloc-fns, etc. # ->25.00% (80,000,000B) 0x401068: main (massif_example.c:14) # | # ->25.00% (80,000,000B) 0x401075: main (massif_example.c:15) # | # ->25.00% (80,000,000B) 0x401082: main (massif_example.c:17) # | # ->25.00% (80,000,000B) 0x40108F: main (massif_example.c:20) # # -------------------------------------------------------------------------------- # n time(i) total(B) useful-heap(B) extra-heap(B) stacks(B) # -------------------------------------------------------------------------------- # 16 420,154,712 240,009,048 240,000,000 9,048 0 # 17 420,154,744 320,012,064 320,000,000 12,064 0 # 18 490,154,779 240,009,048 240,000,000 9,048 0 # 19 490,154,811 320,012,064 320,000,000 12,064 0 # 20 560,154,846 240,009,048 240,000,000 9,048 0 # 21 560,154,878 320,012,064 320,000,000 12,064 0 # 22 630,154,913 240,009,048 240,000,000 9,048 0 # 23 630,154,945 320,012,064 320,000,000 12,064 0 # 24 700,154,980 240,009,048 240,000,000 9,048 0 # 25 750,155,015 160,006,032 160,000,000 6,032 0 # 100.00% (160,000,000B) (heap allocation functions) malloc/new/new[], --alloc-fns, etc. # ->50.00% (80,000,000B) 0x401075: main (massif_example.c:15) # | # ->50.00% (80,000,000B) 0x401082: main (massif_example.c:17) # | # ->00.00% (0B) in 1+ places, all below ms_print's threshold (01.00%) # # -------------------------------------------------------------------------------- # n time(i) total(B) useful-heap(B) extra-heap(B) stacks(B) # -------------------------------------------------------------------------------- # 26 750,155,045 80,003,016 80,000,000 3,016 0 # 27 750,155,075 0 0 0 0