Baseline (base)

[-] Profile Specification [-]
origin 072594f42c86c2412c01a82acb4d69fc81795dfe
command ./stress-ng --mmap 1 --verbose --oomable --metrics-brief -t 23 --yaml kernel1_threads_001_iterations_01_run_002_mmap_001.yaml
collector command kperf --repeat=1 --with-sudo=True --warmup=3
kernel kernel1
boot info BOOT_IMAGE=(hd0,msdos1)/vmlinuz-kernel1 root=/dev/mapper/rhel_zaba-root ro crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M resume=/dev/mapper/rhel_zaba-swap rd.lvm.lv=rhel_zaba/root rd.lvm.lv=rhel_zaba/swap console=ttyS0,115200 mitigations=on
host server1
cpu (total) 48
memory (total) 125.3 GiB
 

Target (tgt)

[-] Profile Specification [-]
origin 072594f42c86c2412c01a82acb4d69fc81795dfe
command ./stress-ng --mmap 1 --verbose --oomable --metrics-brief -t 23 --yaml kernel1_threads_001_iterations_01_run_002_mmap_001.yaml
collector command kperf --repeat=1 --with-sudo=True --warmup=3
kernel kernel2
boot info BOOT_IMAGE=(hd0,msdos1)/vmlinuz-kernel2 root=/dev/mapper/rhel_zaba-root ro crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M resume=/dev/mapper/rhel_zaba-swap rd.lvm.lv=rhel_zaba/root rd.lvm.lv=rhel_zaba/swap console=ttyS0,115200 mitigations=on
host server1
cpu (total) 48
memory (total) 125.3 GiB
 
[-] Help / Tips [-]
Tip 1 Click on a row to explore the results in a form of Sankey Graph (below the table).
Tip 2 Click on [+] to open a detailed report about concrete calling contexts.
Tip 3 Filter the results through select form on the bottom of table (for selected columns).

Unit Change Metric Absolute Difference Relative Difference
Search:
[-] Help / Tips [-]
Tip 1 Look for the topmost widest rectangle.
Tip 2 Click on the node to explore the results in a form of Sankey Graph (below the table).
Tip 3 Colours are picked randomly (but uniformly); they don't signal any scale.
Tip 4 The bigger the rectangle the more often the UID was seen on the stack.
Tip 5 The higher the flame the more nested calls were made in the context.

Baseline Flamegraph Reset ZoomSearchic free_pgtables (2,021,067,670 samples, 2.90%)unmap_page_range (1,226,561,671 samples, 1.76%)mas_walk (136,177,235 samples, 0.20%)mtree_range_walk (126,367,323 samples, 0.18%)mas_store_prealloc (632,142,141 samples, 0.91%)mas_store_gfp (4,849,602,009 samples, 6.96%)mas..mas_alloc_nodes (273,760,844 samples, 0.39%)memcg_slab_post_alloc_hook (147,560,901 samples, 0.21%)page_counter_uncharge (246,594,503 samples, 0.35%)blk_mq_flush_plug_list.part.0 (735,749,264 samples, 1.06%)tlb_finish_mmu (125,758,897 samples, 0.18%)entry_SYSCALL_64_after_hwframe (3,312,455,509 samples, 4.75%)e..mab_mas_cp (159,875,758 samples, 0.23%)__irqentry_text_end (457,433,765 samples, 0.66%)vm_area_alloc (541,834,903 samples, 0.78%)___slab_alloc (237,763,905 samples, 0.34%)release_pages (2,062,953,974 samples, 2.96%)mas_wr_store_entry.isra.0 (319,044,144 samples, 0.46%)vma_alloc_folio (4,066,612,573 samples, 5.84%)vm..handle_mm_fault (374,772,743 samples, 0.54%)walk_pud_range.isra.0 (2,238,200,648 samples, 3.21%)walk_pud_range.isra.0 (158,408,187 samples, 0.23%)folio_add_new_anon_rmap (264,954,674 samples, 0.38%)__do_huge_pmd_anonymous_page (143,685,246 samples, 0.21%)mas_wr_walk (144,670,904 samples, 0.21%)__get_user_pages (1,815,712,229 samples, 2.61%)vma_prepare (139,808,556 samples, 0.20%)mtree_range_walk (488,147,456 samples, 0.70%)mod_objcg_state (144,371,413 samples, 0.21%)lru_gen_add_folio (140,696,931 samples, 0.20%)stress_run (55,185,250,332 samples, 79.22%)stress_runvma_prepare (278,854,009 samples, 0.40%)anon_vma_interval_tree_insert (198,352,336 samples, 0.28%)mas_walk (490,092,590 samples, 0.70%)stress_mmap_check (641,552,752 samples, 0.92%)mas_rebalance.isra.0 (1,384,438,897 samples, 1.99%)dm_submit_bio (216,705,021 samples, 0.31%)mas_preallocate (714,253,849 samples, 1.03%)do_vmi_munmap (639,493,811 samples, 0.92%)mas_wmb_replace (317,069,260 samples, 0.46%)__mmap (8,500,141,078 samples, 12.20%)__mmapperf_iterate_ctx (863,206,695 samples, 1.24%)flush_tlb_mm_range (1,399,578,975 samples, 2.01%)__get_user_pages (441,741,374 samples, 0.63%)madvise_populate (1,018,364,713 samples, 1.46%)unmap_vmas (1,379,439,864 samples, 1.98%)lru_add_fn (238,268,922 samples, 0.34%)__x64_sys_munmap (19,765,173,295 samples, 28.37%)__x64_sys_munmapsyscall_return_via_sysret (251,058,827 samples, 0.36%)exit_to_user_mode_prepare (243,628,978 samples, 0.35%)post_alloc_hook (2,950,312,462 samples, 4.24%)p..mas_prev_slot (358,054,656 samples, 0.51%)do_user_addr_fault (10,436,921,768 samples, 14.98%)do_user_ad..stress_mmap_child (27,003,570,885 samples, 38.76%)stress_mmap_childall (69,664,879,818 samples, 100%)__put_anon_vma (262,608,573 samples, 0.38%)avc_has_perm_noaudit (163,522,588 samples, 0.23%)vma_merge (2,994,078,443 samples, 4.30%)v..vma_alloc_folio (145,220,769 samples, 0.21%)__handle_mm_fault (9,693,286,971 samples, 13.91%)__handle_..anon_vma_interval_tree_insert (612,117,165 samples, 0.88%)do_vmi_align_munmap (18,898,424,512 samples, 27.13%)do_vmi_align_munmaptlb_finish_mmu (3,992,807,581 samples, 5.73%)tl..setup_object (126,375,134 samples, 0.18%)__madvise (18,895,521,853 samples, 27.12%)__madviseentry_SYSCALL_64_after_hwframe (15,469,942,056 samples, 22.21%)entry_SYSCALL_64..mt_find (326,618,212 samples, 0.47%)mas_preallocate (511,624,742 samples, 0.73%)mas_store_prealloc (1,201,387,114 samples, 1.72%)__alloc_pages (137,644,639 samples, 0.20%)faultin_vma_page_range (1,001,917,470 samples, 1.44%)mas_wr_modify (338,880,772 samples, 0.49%)__get_user_pages (930,018,806 samples, 1.33%)walk_page_range (2,399,768,769 samples, 3.44%)error_entry (257,945,040 samples, 0.37%)__anon_vma_prepare (1,016,211,863 samples, 1.46%)kmem_cache_alloc (229,928,488 samples, 0.33%)kmem_cache_free_bulk.part.0 (169,282,860 samples, 0.24%)mas_spanning_rebalance.isra.0 (1,148,198,977 samples, 1.65%)mas_wr_modify (157,373,334 samples, 0.23%)find_vma_prev (506,120,350 samples, 0.73%)try_grab_page (125,327,707 samples, 0.18%)rmap_walk_anon (241,290,067 samples, 0.35%)clear_page_erms (140,627,919 samples, 0.20%)__pte_offset_map_lock (135,978,269 samples, 0.20%)mab_mas_cp (163,062,167 samples, 0.23%)kmem_cache_alloc (313,580,665 samples, 0.45%)unlink_anon_vmas (1,870,992,132 samples, 2.69%)__handle_mm_fault (441,741,374 samples, 0.63%)mtree_range_walk (785,407,725 samples, 1.13%)mas_wr_node_store (332,059,582 samples, 0.48%)mas_alloc_nodes (178,290,750 samples, 0.26%)tlb_batch_pages_flush (2,292,575,121 samples, 3.29%)mas_push_data (459,467,972 samples, 0.66%)get_page_from_freelist (133,848,580 samples, 0.19%)blk_mq_dispatch_rq_list (384,522,415 samples, 0.55%)__split_vma (3,898,756,792 samples, 5.60%)__..blk_mq_submit_bio (380,877,580 samples, 0.55%)syscall_return_via_sysret (525,372,176 samples, 0.75%)walk_pmd_range.isra.0 (149,452,176 samples, 0.21%)scsi_dispatch_cmd (158,699,064 samples, 0.23%)rmqueue_bulk (455,562,654 samples, 0.65%)___slab_alloc (149,244,741 samples, 0.21%)syscall_return_via_sysret (986,643,667 samples, 1.42%)populate_vma_page_range (441,741,374 samples, 0.63%)anon_vma_interval_tree_insert (145,458,370 samples, 0.21%)__handle_mm_fault (568,770,377 samples, 0.82%)tlb_finish_mmu (121,556,082 samples, 0.17%)syscall_return_via_sysret (223,995,485 samples, 0.32%)mas_wr_bnode (1,597,231,896 samples, 2.29%)security_vm_enough_memory_mm (301,166,922 samples, 0.43%)anon_vma_clone (894,271,384 samples, 1.28%)lru_add_drain_cpu (326,476,998 samples, 0.47%)wp_page_copy (9,334,950,924 samples, 13.40%)wp_page_..mas_destroy (253,242,901 samples, 0.36%)do_syscall_64 (20,315,214,204 samples, 29.16%)do_syscall_64mas_alloc_nodes (328,135,422 samples, 0.47%)mtree_range_walk (322,670,238 samples, 0.46%)task_work_run (185,153,398 samples, 0.27%)__blk_flush_plug (846,795,460 samples, 1.22%)mtree_range_walk (281,329,020 samples, 0.40%)pageout (985,978,765 samples, 1.42%)mmap_region (5,990,973,611 samples, 8.60%)mmap_..mas_wr_modify (347,061,135 samples, 0.50%)clear_page_erms (2,890,299,299 samples, 4.15%)c..walk_page_range (307,150,301 samples, 0.44%)__handle_mm_fault (246,908,723 samples, 0.35%)__mem_cgroup_uncharge_list (606,148,333 samples, 0.87%)mas_wr_node_store (309,396,833 samples, 0.44%)do_syscall_64 (7,680,506,081 samples, 11.02%)do_sysc..mas_wr_bnode (486,355,475 samples, 0.70%)mas_prev_node (149,153,500 samples, 0.21%)mas_wr_walk (172,381,498 samples, 0.25%)mas_store_prealloc (1,803,758,068 samples, 2.59%)mas_destroy (174,086,289 samples, 0.25%)mas_alloc_nodes (147,726,624 samples, 0.21%)allocate_slab (248,107,377 samples, 0.36%)task_numa_work (183,633,274 samples, 0.26%)__submit_bio (230,129,248 samples, 0.33%)task_numa_work (169,202,168 samples, 0.24%)walk_p4d_range (2,245,647,555 samples, 3.22%)mas_wr_modify (1,094,685,122 samples, 1.57%)lock_mm_and_find_vma (382,300,410 samples, 0.55%)folio_batch_move_lru (278,060,425 samples, 0.40%)mas_wr_spanning_store.isra.0 (296,024,075 samples, 0.42%)madvise_vma_behavior (10,806,957,296 samples, 15.51%)madvise_vm..wp_page_copy (410,728,830 samples, 0.59%)perf_event_mmap_event (1,140,435,448 samples, 1.64%)mas_wr_walk (187,340,040 samples, 0.27%)zap_pmd_range.isra.0 (1,081,233,456 samples, 1.55%)do_mmap (6,737,402,081 samples, 9.67%)do_mmaperror_entry (199,882,042 samples, 0.29%)mas_walk (509,371,780 samples, 0.73%)megasas_build_and_issue_cmd_fusion (125,084,015 samples, 0.18%)entry_SYSCALL_64_safe_stack (168,314,443 samples, 0.24%)folio_batch_move_lru (434,331,685 samples, 0.62%)dm_split_and_process_bio (183,226,562 samples, 0.26%)__walk_page_range (2,263,706,229 samples, 3.25%)kmem_cache_alloc_bulk (262,669,226 samples, 0.38%)folio_add_lru (302,022,358 samples, 0.43%)__submit_bio_noacct (633,471,623 samples, 0.91%)rmap_walk_anon (330,624,308 samples, 0.47%)mtree_range_walk (1,250,335,432 samples, 1.79%)flush_tlb_func (1,397,099,040 samples, 2.01%)mt_find (323,713,822 samples, 0.46%)mas_push_data (201,561,005 samples, 0.29%)do_madvise.part.0 (14,234,699,445 samples, 20.43%)do_madvise.par..mas_spanning_rebalance.isra.0 (969,584,866 samples, 1.39%)blk_mq_run_hw_queue (638,618,651 samples, 0.92%)flush_tlb_mm_range (1,601,870,069 samples, 2.30%)__alloc_pages (3,878,259,872 samples, 5.57%)__..kmem_cache_alloc (527,469,817 samples, 0.76%)mtree_range_walk (237,078,676 samples, 0.34%)unmap_region.constprop.0 (8,003,824,819 samples, 11.49%)unmap_r..kmem_cache_alloc (420,768,225 samples, 0.60%)mas_next_slot (266,792,835 samples, 0.38%)anon_vma_interval_tree_insert (499,835,427 samples, 0.72%)walk_pgd_range (173,360,122 samples, 0.25%)kmem_cache_free (197,378,392 samples, 0.28%)madvise_pageout (2,572,749,604 samples, 3.69%)m..mas_descend_adopt (130,762,292 samples, 0.19%)mas_preallocate (259,116,830 samples, 0.37%)handle_mm_fault (441,741,374 samples, 0.63%)mas_next_slot (158,042,496 samples, 0.23%)__rmqueue_pcplist (536,911,547 samples, 0.77%)clear_page_erms (422,820,524 samples, 0.61%)mas_wr_node_store (1,030,664,119 samples, 1.48%)madvise_cold (456,450,340 samples, 0.66%)__blk_mq_sched_dispatch_requests (595,457,846 samples, 0.85%)charge_memcg (1,331,264,262 samples, 1.91%)mas_wr_bnode (380,174,886 samples, 0.55%)do_madvise.part.0 (3,021,070,313 samples, 4.34%)d..kmem_cache_free (677,655,970 samples, 0.97%)mas_wr_node_store (411,544,478 samples, 0.59%)mas_wr_modify (436,102,653 samples, 0.63%)__free_one_page (243,646,615 samples, 0.35%)mas_descend_adopt (168,281,307 samples, 0.24%)add_to_swap (260,667,290 samples, 0.37%)do_syscall_64 (15,203,692,756 samples, 21.82%)do_syscall_64mas_wr_bnode (1,025,231,656 samples, 1.47%)__pte_offset_map_lock (189,574,696 samples, 0.27%)__mem_cgroup_charge (1,729,458,062 samples, 2.48%)__blk_mq_do_dispatch_sched (593,937,500 samples, 0.85%)perf_iterate_sb (941,033,236 samples, 1.35%)__folio_alloc (3,900,235,693 samples, 5.60%)__..try_charge_memcg (545,282,148 samples, 0.78%)mem_cgroup_charge_statistics (124,734,746 samples, 0.18%)mt_find (383,907,731 samples, 0.55%)mas_walk (395,004,548 samples, 0.57%)try_to_unmap (339,578,218 samples, 0.49%)mas_spanning_rebalance.isra.0 (265,789,159 samples, 0.38%)free_pcppages_bulk (285,262,904 samples, 0.41%)shrink_folio_list (1,962,428,475 samples, 2.82%)free_pages_and_swap_cache (154,463,254 samples, 0.22%)madvise_cold_or_pageout_pte_range (2,212,783,390 samples, 3.18%)blk_mq_dispatch_plug_list (729,038,798 samples, 1.05%)zap_pte_range (986,098,211 samples, 1.42%)reclaim_folio_list (1,987,613,786 samples, 2.85%)__folio_alloc (139,170,443 samples, 0.20%)free_unref_page_prepare (201,770,970 samples, 0.29%)vm_mmap_pgoff (7,496,803,515 samples, 10.76%)vm_mma..do_vmi_munmap (19,518,342,239 samples, 28.02%)do_vmi_munmapwalk_p4d_range (165,913,760 samples, 0.24%)mas_split.isra.0 (335,638,598 samples, 0.48%)native_flush_tlb_one_user (1,270,332,055 samples, 1.82%)vm_area_dup (315,562,397 samples, 0.45%)mas_update_gap.part.0 (170,207,611 samples, 0.24%)add_to_swap_cache (130,676,966 samples, 0.19%)rmqueue (641,824,588 samples, 0.92%)__walk_page_range (179,300,153 samples, 0.26%)perf_event_mmap (1,178,259,137 samples, 1.69%)reclaim_pages (2,004,066,020 samples, 2.88%)stress_mmap_set (14,207,569,530 samples, 20.39%)stress_mmap_setkmem_cache_free_bulk.part.0 (176,097,644 samples, 0.25%)find_vma_prev (1,924,161,333 samples, 2.76%)kmem_cache_alloc (629,039,753 samples, 0.90%)mas_descend_adopt (192,228,845 samples, 0.28%)entry_SYSCALL_64_after_hwframe (20,429,504,584 samples, 29.33%)entry_SYSCALL_64_after..mtree_range_walk (360,932,103 samples, 0.52%)asm_exc_page_fault (11,359,359,867 samples, 16.31%)asm_exc_pag..lru_gen_add_folio (137,885,673 samples, 0.20%)mas_find (519,827,095 samples, 0.75%)get_mem_cgroup_from_mm (209,954,962 samples, 0.30%)folio_batch_move_lru (242,695,691 samples, 0.35%)entry_SYSCALL_64 (258,699,655 samples, 0.37%)security_mmap_file (189,722,056 samples, 0.27%)main (55,327,465,399 samples, 79.42%)main__munmap (21,920,277,078 samples, 31.47%)__munmapmas_wr_node_store (149,052,067 samples, 0.21%)do_syscall_64 (3,193,516,958 samples, 4.58%)d..lru_add_drain (342,070,371 samples, 0.49%)kmem_cache_alloc (301,433,101 samples, 0.43%)uncharge_batch (484,059,620 samples, 0.69%)faultin_vma_page_range (2,327,980,408 samples, 3.34%)exit_to_user_mode_loop (185,908,032 samples, 0.27%)mtree_range_walk (434,853,118 samples, 0.62%)memcg_slab_post_alloc_hook (157,987,644 samples, 0.23%)entry_SYSCALL_64 (258,873,304 samples, 0.37%)entry_SYSCALL_64 (548,336,230 samples, 0.79%)blk_finish_plug (884,323,134 samples, 1.27%)stress_mwc32modn (202,655,067 samples, 0.29%)__madvise (3,954,222,412 samples, 5.68%)__..__swap_writepage (895,802,855 samples, 1.29%)walk_page_range (227,753,319 samples, 0.33%)anon_vma_clone (1,157,649,636 samples, 1.66%)mas_preallocate (492,301,595 samples, 0.71%)free_unref_page_list (784,516,388 samples, 1.13%)clear_huge_page (430,356,813 samples, 0.62%)__mod_lruvec_page_state (213,148,468 samples, 0.31%)kmem_cache_alloc_bulk (203,897,199 samples, 0.29%)kmem_cache_free (657,998,910 samples, 0.94%)mas_wmb_replace (255,898,525 samples, 0.37%)security_mmap_addr (121,183,486 samples, 0.17%)find_vma (335,893,665 samples, 0.48%)handle_mm_fault (9,895,558,141 samples, 14.20%)handle_mm..ptep_clear_flush (1,430,049,212 samples, 2.05%)find_extend_vma (345,581,771 samples, 0.50%)get_unmapped_area (230,104,483 samples, 0.33%)mas_store_prealloc (905,323,522 samples, 1.30%)selinux_vm_enough_memory (239,873,148 samples, 0.34%)folio_referenced (261,449,757 samples, 0.38%)__do_huge_pmd_anonymous_page (432,649,336 samples, 0.62%)entry_SYSCALL_64_after_hwframe (7,737,903,410 samples, 11.11%)entry_S..__list_del_entry_valid (263,976,800 samples, 0.38%)mas_prev_slot (410,550,978 samples, 0.59%)vm_area_dup (450,517,744 samples, 0.65%)syscall_exit_work (156,094,587 samples, 0.22%)find_mergeable_anon_vma (280,491,016 samples, 0.40%)mas_destroy (302,368,603 samples, 0.43%)__anon_vma_interval_tree_remove (222,149,517 samples, 0.32%)lru_add_fn (199,861,700 samples, 0.29%)follow_page_pte (676,860,758 samples, 0.97%)clear_huge_page (142,156,679 samples, 0.20%)__x64_sys_madvise (14,296,056,412 samples, 20.52%)__x64_sys_madv..mas_split.isra.0 (429,715,459 samples, 0.62%)__x64_sys_madvise (3,036,160,875 samples, 4.36%)_..flush_tlb_func (1,210,780,694 samples, 1.74%)lru_add_drain_cpu (455,562,533 samples, 0.65%)mas_prev_node (201,394,238 samples, 0.29%)exc_page_fault (10,513,040,576 samples, 15.09%)exc_page_f..native_flush_tlb_one_user (1,106,708,207 samples, 1.59%)task_work_run (169,960,076 samples, 0.24%)mas_find (546,394,826 samples, 0.78%)mas_alloc_nodes (382,929,529 samples, 0.55%)__mm_populate (441,741,374 samples, 0.63%)lru_add_drain (464,650,828 samples, 0.67%)mas_alloc_nodes (233,729,951 samples, 0.34%)kmem_cache_alloc (221,673,249 samples, 0.32%)blk_mq_sched_dispatch_requests (597,734,468 samples, 0.86%)handle_mm_fault (577,097,517 samples, 0.83%)mas_split.isra.0 (923,931,348 samples, 1.33%)__mod_lruvec_page_state (246,159,096 samples, 0.35%)walk_pmd_range.isra.0 (2,223,209,306 samples, 3.19%)__split_vma (3,050,347,047 samples, 4.38%)_..___slab_alloc (265,557,609 samples, 0.38%)mas_walk (1,381,743,930 samples, 1.98%)exit_to_user_mode_prepare (209,836,916 samples, 0.30%)syscall_exit_to_user_mode (330,262,241 samples, 0.47%)mas_alloc_nodes (210,530,541 samples, 0.30%)mas_push_data (166,796,516 samples, 0.24%)page_remove_rmap (366,815,847 samples, 0.53%)madvise_cold_or_pageout_pte_range (138,934,837 samples, 0.20%)syscall_exit_to_user_mode (499,454,328 samples, 0.72%)___slab_alloc (141,246,307 samples, 0.20%)stress_mmap (55,185,250,332 samples, 79.22%)stress_mmapkmem_cache_alloc_bulk (150,702,451 samples, 0.22%)__libc_start_call_main (55,328,232,342 samples, 79.42%)__libc_start_call_mainasm_exc_page_fault (783,235,913 samples, 1.12%)vma_complete (1,127,542,147 samples, 1.62%)syscall_trace_enter.constprop.0 (169,539,158 samples, 0.24%)mt_find (1,223,406,142 samples, 1.76%)mas_wr_spanning_store.isra.0 (1,334,909,184 samples, 1.92%)entry_SYSCALL_64_safe_stack (262,495,569 samples, 0.38%)stress_oomable_child (55,183,544,847 samples, 79.21%)stress_oomable_childscsi_queue_rq (366,078,532 samples, 0.53%)get_page_from_freelist (3,736,886,109 samples, 5.36%)ge..madvise_vma_behavior (2,384,041,795 samples, 3.42%)mas_wmb_replace (219,882,026 samples, 0.32%)entry_SYSCALL_64 (270,540,818 samples, 0.39%)lru_gen_del_folio.constprop.0 (381,640,719 samples, 0.55%)mast_fill_bnode (139,842,731 samples, 0.20%)mod_objcg_state (144,580,584 samples, 0.21%)entry_SYSCALL_64 (790,818,152 samples, 1.14%)vma_complete (1,503,307,350 samples, 2.16%)walk_pgd_range (2,257,650,309 samples, 3.24%)allocate_slab (183,959,537 samples, 0.26%)kmem_cache_alloc_bulk (183,314,735 samples, 0.26%)madvise_populate (2,365,869,512 samples, 3.40%)follow_page_pte (138,792,770 samples, 0.20%)try_to_unmap_one (285,388,674 samples, 0.41%)__vm_munmap (19,745,731,801 samples, 28.34%)__vm_munmapexit_to_user_mode_loop (170,721,098 samples, 0.25%)
Target Flamegraph Reset ZoomSearchic entry_SYSCALL_64_after_hwframe (2,902,075,706 samples, 4.34%)e..__do_huge_pmd_anonymous_page (1,823,748,532 samples, 2.73%)native_flush_tlb_one_user (118,030,610 samples, 0.18%)folio_batch_move_lru (306,462,893 samples, 0.46%)perf_iterate_sb (1,158,276,323 samples, 1.73%)do_syscall_64 (2,758,641,438 samples, 4.13%)d..__list_del_entry_valid (132,573,457 samples, 0.20%)kmem_cache_alloc (443,162,379 samples, 0.66%)get_unmapped_area (261,753,645 samples, 0.39%)kmem_cache_alloc (342,543,813 samples, 0.51%)___slab_alloc (284,306,310 samples, 0.43%)madvise_vma_behavior (8,838,890,335 samples, 13.22%)madvise_..madvise_cold_or_pageout_pte_range (4,115,626,507 samples, 6.15%)mad..rmap_walk_anon (662,342,239 samples, 0.99%)try_to_migrate (221,603,172 samples, 0.33%)entry_SYSCALL_64 (1,149,593,013 samples, 1.72%)folio_referenced (340,341,322 samples, 0.51%)vm_area_alloc (854,746,827 samples, 1.28%)___slab_alloc (130,937,020 samples, 0.20%)__submit_bio (376,561,595 samples, 0.56%)folio_free_swap (228,017,295 samples, 0.34%)__handle_mm_fault (202,599,306 samples, 0.30%)charge_memcg (816,741,241 samples, 1.22%)follow_page_pte (497,579,101 samples, 0.74%)delete_from_swap_cache (211,296,065 samples, 0.32%)rmqueue_pcplist (279,745,654 samples, 0.42%)lru_add_fn (179,936,340 samples, 0.27%)folio_alloc_swap (710,080,775 samples, 1.06%)flush_tlb_mm_range (255,596,606 samples, 0.38%)do_user_addr_fault (5,918,922,268 samples, 8.85%)do_us..free_pgtables (2,302,496,312 samples, 3.44%)try_to_unmap_one (582,259,743 samples, 0.87%)__vma_rb_erase (457,874,035 samples, 0.68%)exc_page_fault (5,983,258,325 samples, 8.95%)exc_p..exit_to_user_mode_prepare (128,915,549 samples, 0.19%)__blk_mq_sched_dispatch_requests (851,652,916 samples, 1.27%)walk_pud_range.isra.0 (4,133,161,950 samples, 6.18%)wal..split_huge_page_to_list (370,850,393 samples, 0.55%)lru_add_drain_cpu (346,393,179 samples, 0.52%)stress_mmap (56,542,840,687 samples, 84.55%)stress_mmapkmem_cache_alloc (643,336,795 samples, 0.96%)asm_exc_page_fault (6,673,957,233 samples, 9.98%)asm_ex..allocate_slab (290,706,542 samples, 0.43%)find_vma_prev (1,646,040,816 samples, 2.46%)flush_tlb_func (131,738,292 samples, 0.20%)madvise_populate (539,637,741 samples, 0.81%)pageout (1,409,675,348 samples, 2.11%)native_flush_tlb_one_user (128,763,099 samples, 0.19%)zap_pte_range (1,254,759,526 samples, 1.88%)release_pages (2,443,344,680 samples, 3.65%)__vm_munmap (16,161,371,956 samples, 24.17%)__vm_munmap__submit_bio_noacct (859,763,333 samples, 1.29%)blk_mq_run_hw_queue (897,357,731 samples, 1.34%)__mem_cgroup_charge (699,698,417 samples, 1.05%)find_vma (883,884,398 samples, 1.32%)madvise_pageout (4,441,791,362 samples, 6.64%)mad..handle_mm_fault (628,168,965 samples, 0.94%)perf_iterate_ctx (1,042,288,805 samples, 1.56%)clear_page_erms (1,078,564,131 samples, 1.61%)entry_SYSCALL_64_safe_stack (280,571,909 samples, 0.42%)security_mmap_addr (144,240,517 samples, 0.22%)kmem_cache_free (628,998,823 samples, 0.94%)error_entry (172,732,018 samples, 0.26%)security_mmap_file (261,788,945 samples, 0.39%)stress_oomable_child (56,539,732,713 samples, 84.55%)stress_oomable_childptep_clear_flush (134,024,944 samples, 0.20%)perf_event_mmap (1,446,777,493 samples, 2.16%)__mod_lruvec_page_state (133,970,960 samples, 0.20%)folio_referenced_one (121,778,097 samples, 0.18%)unmap_region (9,438,078,140 samples, 14.11%)unmap_reg..megasas_build_and_issue_cmd_fusion (204,175,466 samples, 0.31%)__munmap (18,406,497,217 samples, 27.52%)__munmapmadvise_populate (1,951,407,966 samples, 2.92%)blk_mq_submit_bio (447,972,876 samples, 0.67%)__x64_sys_madvise (12,589,102,397 samples, 18.83%)__x64_sys_mad..post_alloc_hook (1,626,943,623 samples, 2.43%)folio_add_new_anon_rmap (162,295,152 samples, 0.24%)stress_mmap_child (23,427,365,070 samples, 35.03%)stress_mmap_childtry_to_migrate_one (220,841,620 samples, 0.33%)flush_tlb_mm_range (131,738,984 samples, 0.20%)do_madvise.part.0 (2,508,345,040 samples, 3.75%)d..rmqueue (296,513,714 samples, 0.44%)__list_del_entry_valid (123,490,103 samples, 0.18%)entry_SYSCALL_64_after_hwframe (16,793,582,544 samples, 25.11%)entry_SYSCALL_64_a..handle_mm_fault (205,658,731 samples, 0.31%)setup_object (187,681,570 samples, 0.28%)do_madvise.part.0 (12,501,445,591 samples, 18.69%)do_madvise.pa..syscall_trace_enter.constprop.0 (230,293,483 samples, 0.34%)page_counter_uncharge (236,170,257 samples, 0.35%)__folio_put (150,189,195 samples, 0.22%)native_flush_tlb_one_user (663,462,361 samples, 0.99%)syscall_return_via_sysret (287,775,592 samples, 0.43%)follow_page_pte (237,040,009 samples, 0.35%)__folio_alloc (1,493,196,425 samples, 2.23%)zap_pmd_range.isra.0 (1,351,522,532 samples, 2.02%)__get_user_pages (5,807,726,166 samples, 8.68%)__get..__pte_offset_map_lock (134,849,027 samples, 0.20%)__split_vma (2,094,137,146 samples, 3.13%)syscall_exit_to_user_mode (137,406,597 samples, 0.21%)__handle_mm_fault (5,258,179,190 samples, 7.86%)__ha..memcg_slab_post_alloc_hook (183,937,062 samples, 0.28%)asm_exc_page_fault (454,003,813 samples, 0.68%)madvise_cold (752,650,070 samples, 1.13%)vmacache_find (130,801,852 samples, 0.20%)do_syscall_64 (16,642,863,354 samples, 24.89%)do_syscall_64try_charge_memcg (270,196,722 samples, 0.40%)unmap_vmas (1,699,812,624 samples, 2.54%)find_vma (972,945,802 samples, 1.45%)free_pcppages_bulk (543,224,161 samples, 0.81%)anon_vma_interval_tree_insert (242,906,538 samples, 0.36%)post_alloc_hook (1,090,763,210 samples, 1.63%)___slab_alloc (408,979,061 samples, 0.61%)folio_batch_move_lru (262,995,346 samples, 0.39%)kmem_cache_alloc (419,598,887 samples, 0.63%)try_to_unmap (679,422,569 samples, 1.02%)__list_del_entry_valid (192,945,284 samples, 0.29%)anon_vma_clone (945,784,192 samples, 1.41%)lru_add_drain (327,806,783 samples, 0.49%)split_huge_page_to_list (379,235,176 samples, 0.57%)vma_merge (426,726,793 samples, 0.64%)kmem_cache_alloc (835,656,579 samples, 1.25%)kmem_cache_free (278,292,894 samples, 0.42%)shrink_folio_list (3,527,838,842 samples, 5.28%)sh..__split_vma (2,958,481,495 samples, 4.42%)_..lru_add_fn (153,670,924 samples, 0.23%)handle_mm_fault (5,676,092,231 samples, 8.49%)hand..syscall_exit_to_user_mode (430,132,317 samples, 0.64%)entry_SYSCALL_64 (300,698,080 samples, 0.45%)blk_mq_sched_dispatch_requests (853,934,875 samples, 1.28%)__swap_writepage (1,278,215,170 samples, 1.91%)folio_batch_move_lru (137,993,377 samples, 0.21%)stress_mmap_set (10,061,330,639 samples, 15.05%)stress_mma..clear_page_erms (1,609,341,707 samples, 2.41%)__free_one_page (452,579,449 samples, 0.68%)folio_batch_move_lru (295,333,971 samples, 0.44%)handle_mm_fault (5,328,320,178 samples, 7.97%)hand..walk_pmd_range.isra.0 (491,270,790 samples, 0.73%)__mod_lruvec_page_state (291,907,917 samples, 0.44%)native_flush_tlb_one_user (1,558,514,760 samples, 2.33%)rmap_walk_anon (316,445,793 samples, 0.47%)__handle_mm_fault (5,520,645,296 samples, 8.26%)__ha..remove_vma (1,045,259,399 samples, 1.56%)blk_mq_flush_plug_list.part.0 (1,017,005,785 samples, 1.52%)flush_tlb_mm_range (165,347,418 samples, 0.25%)__mm_populate (6,517,330,439 samples, 9.75%)__mm_..wp_page_copy (197,248,968 samples, 0.29%)__vma_adjust (1,015,177,493 samples, 1.52%)__split_huge_page (156,093,249 samples, 0.23%)try_to_migrate (212,476,213 samples, 0.32%)scan_swap_map_slots (575,424,479 samples, 0.86%)selinux_mmap_file (170,188,261 samples, 0.25%)allocate_slab (136,098,852 samples, 0.20%)__try_to_reclaim_swap (521,536,631 samples, 0.78%)lru_add_drain (376,861,613 samples, 0.56%)entry_SYSCALL_64 (178,869,329 samples, 0.27%)entry_SYSCALL_64_after_hwframe (13,838,198,055 samples, 20.69%)entry_SYSCALL_..get_page_from_freelist (1,434,518,610 samples, 2.15%)vm_mmap_pgoff (13,348,846,502 samples, 19.96%)vm_mmap_pgoffclear_huge_page (1,817,677,906 samples, 2.72%)ptep_clear_flush (823,426,409 samples, 1.23%)walk_p4d_range (4,143,829,440 samples, 6.20%)wal..__rb_erase_color (294,537,851 samples, 0.44%)tlb_batch_pages_flush (2,771,641,027 samples, 4.14%)t..mmap_region (5,050,364,718 samples, 7.55%)mmap..add_to_swap_cache (167,980,511 samples, 0.25%)flush_tlb_mm_range (143,927,636 samples, 0.22%)security_vm_enough_memory_mm (351,822,932 samples, 0.53%)tlb_finish_mmu (190,496,857 samples, 0.28%)vm_area_dup (587,106,013 samples, 0.88%)perf_event_mmap_event (1,375,795,041 samples, 2.06%)get_mem_cgroup_from_mm (117,110,684 samples, 0.18%)__libc_start_call_main (56,677,468,976 samples, 84.75%)__libc_start_call_main__anon_vma_prepare (804,146,409 samples, 1.20%)__vma_adjust (207,184,911 samples, 0.31%)madvise_cold_or_pageout_pte_range (479,828,712 samples, 0.72%)kmem_cache_alloc (295,469,978 samples, 0.44%)vm_area_dup (374,621,003 samples, 0.56%)lru_gen_del_folio.constprop.0 (470,845,092 samples, 0.70%)add_to_swap (901,548,204 samples, 1.35%)do_mmap (6,413,287,164 samples, 9.59%)do_mmapdo_swap_page (417,691,335 samples, 0.62%)__walk_page_range (527,859,574 samples, 0.79%)scsi_dispatch_cmd (247,596,582 samples, 0.37%)__get_user_pages (1,567,051,802 samples, 2.34%)anon_vma_interval_tree_insert (472,841,394 samples, 0.71%)walk_p4d_range (510,332,698 samples, 0.76%)__mod_lruvec_state (137,222,825 samples, 0.21%)free_pages_and_swap_cache (249,801,893 samples, 0.37%)stress_run (56,543,584,750 samples, 84.55%)stress_runlru_add_drain_cpu (288,179,535 samples, 0.43%)setup_object (136,437,786 samples, 0.20%)userfaultfd_unmap_prep (118,126,209 samples, 0.18%)__anon_vma_prepare (408,294,242 samples, 0.61%)avc_has_perm_noaudit (154,168,476 samples, 0.23%)mod_objcg_state (146,342,312 samples, 0.22%)walk_pud_range.isra.0 (501,185,243 samples, 0.75%)syscall_exit_work (169,289,962 samples, 0.25%)__x64_sys_madvise (2,529,714,804 samples, 3.78%)_..anon_vma_interval_tree_insert (647,201,044 samples, 0.97%)rmqueue_bulk (310,827,334 samples, 0.46%)flush_tlb_func (139,442,730 samples, 0.21%)__mmap (14,677,569,560 samples, 21.95%)__mmapvma_alloc_folio (2,286,767,558 samples, 3.42%)madvise_vma_behavior (1,981,947,999 samples, 2.96%)vma_alloc_folio (1,558,746,032 samples, 2.33%)page_remove_rmap (553,034,168 samples, 0.83%)vma_link (888,303,203 samples, 1.33%)main (56,676,681,477 samples, 84.75%)main__folio_alloc (2,218,664,120 samples, 3.32%)uncharge_batch (475,415,411 samples, 0.71%)scsi_queue_rq (546,625,315 samples, 0.82%)__vma_adjust (723,480,674 samples, 1.08%)free_unref_page_list (1,038,359,126 samples, 1.55%)flush_tlb_mm_range (156,185,434 samples, 0.23%)tlb_finish_mmu (172,942,065 samples, 0.26%)do_syscall_64 (13,662,557,688 samples, 20.43%)do_syscall_64rmqueue_pcplist (404,930,050 samples, 0.61%)error_entry (164,820,728 samples, 0.25%)reclaim_pages (3,584,133,715 samples, 5.36%)re..walk_page_range (548,451,154 samples, 0.82%)__handle_mm_fault (558,666,693 samples, 0.84%)walk_pmd_range.isra.0 (4,127,060,004 samples, 6.17%)wal..__split_huge_page (156,871,248 samples, 0.23%)get_swap_pages (576,948,738 samples, 0.86%)flush_tlb_mm_range (808,880,076 samples, 1.21%)ksm_might_need_to_copy (278,639,234 samples, 0.42%)try_charge_memcg (233,234,396 samples, 0.35%)__madvise (17,478,810,320 samples, 26.14%)__madvise__mem_cgroup_uncharge_list (624,029,860 samples, 0.93%)follow_page_pte (115,905,021 samples, 0.17%)blk_mq_dispatch_rq_list (572,525,309 samples, 0.86%)__mem_cgroup_charge (1,007,331,599 samples, 1.51%)entry_SYSCALL_64 (602,507,995 samples, 0.90%)syscall_return_via_sysret (309,090,203 samples, 0.46%)blk_mq_dispatch_plug_list (1,010,911,309 samples, 1.51%)folio_add_lru (181,625,870 samples, 0.27%)bio_alloc_bioset (118,925,872 samples, 0.18%)do_syscall_64 (13,517,884,009 samples, 20.21%)do_syscall_64populate_vma_page_range (6,164,488,071 samples, 9.22%)popul..anon_vma_clone (1,283,856,903 samples, 1.92%)rmqueue_bulk (185,224,590 samples, 0.28%)lru_add_drain_cpu (319,420,840 samples, 0.48%)faultin_vma_page_range (522,864,317 samples, 0.78%)__walk_page_range (4,176,597,220 samples, 6.25%)__w..get_page_from_freelist (2,137,522,353 samples, 3.20%)syscall_exit_to_user_mode (195,060,498 samples, 0.29%)reclaim_folio_list (3,563,556,517 samples, 5.33%)re..__rb_insert_augmented (128,217,706 samples, 0.19%)flush_tlb_func (220,702,869 samples, 0.33%)find_vma (264,487,550 samples, 0.40%)memcg_slab_post_alloc_hook (123,498,873 samples, 0.18%)dm_split_and_process_bio (311,830,220 samples, 0.47%)kmem_cache_alloc (293,907,615 samples, 0.44%)entry_SYSCALL_64_after_hwframe (13,746,491,934 samples, 20.56%)entry_SYSCALL_..entry_SYSCALL_64 (340,404,105 samples, 0.51%)charge_memcg (532,032,536 samples, 0.80%)flush_tlb_mm_range (1,946,268,087 samples, 2.91%)__alloc_pages (2,205,649,326 samples, 3.30%)__irqentry_text_end (335,235,842 samples, 0.50%)find_vma_prev (334,782,863 samples, 0.50%)__blk_flush_plug (1,143,465,803 samples, 1.71%)__do_munmap (15,887,853,182 samples, 23.76%)__do_munmapdm_submit_bio (350,851,925 samples, 0.52%)allocate_slab (264,491,898 samples, 0.40%)native_flush_tlb_one_user (196,045,377 samples, 0.29%)entry_SYSCALL_64_safe_stack (144,780,304 samples, 0.22%)unmap_page_range (1,524,510,894 samples, 2.28%)flush_tlb_func (1,688,743,550 samples, 2.53%)anon_vma_interval_tree_insert (172,867,618 samples, 0.26%)selinux_vm_enough_memory (232,785,463 samples, 0.35%)vma_merge (183,163,800 samples, 0.27%)tlb_finish_mmu (4,839,006,357 samples, 7.24%)tlb..try_grab_page (123,956,128 samples, 0.19%)blk_finish_plug (1,173,210,141 samples, 1.75%)lru_add_drain (298,096,274 samples, 0.45%)walk_pgd_range (520,241,193 samples, 0.78%)flush_tlb_func (718,557,289 samples, 1.07%)__get_user_pages (442,025,280 samples, 0.66%)wp_page_copy (5,155,215,882 samples, 7.71%)wp_p..flush_tlb_func (140,187,300 samples, 0.21%)syscall_return_via_sysret (1,191,002,832 samples, 1.78%)stress_mwc32modn (237,956,437 samples, 0.36%)syscall_trace_enter.constprop.0 (122,593,523 samples, 0.18%)___slab_alloc (146,804,671 samples, 0.22%)__alloc_pages (1,484,054,378 samples, 2.22%)rmqueue (430,959,314 samples, 0.64%)ptep_clear_flush (263,032,172 samples, 0.39%)do_anonymous_page (3,340,033,533 samples, 4.99%)do..faultin_vma_page_range (1,911,712,585 samples, 2.86%)stress_mmap_check (767,765,222 samples, 1.15%)syscall_enter_from_user_mode (144,829,237 samples, 0.22%)mod_objcg_state (176,038,106 samples, 0.26%)try_to_migrate_one (210,195,130 samples, 0.31%)__madvise (3,698,183,406 samples, 5.53%)__..clear_page_erms (1,797,212,075 samples, 2.69%)__put_anon_vma (363,640,058 samples, 0.54%)walk_pgd_range (4,161,364,712 samples, 6.22%)wal..walk_page_range (4,202,523,986 samples, 6.28%)wal..__anon_vma_interval_tree_remove (261,303,906 samples, 0.39%)__x64_sys_munmap (16,175,089,026 samples, 24.19%)__x64_sys_munmaprmap_walk_anon (221,603,172 samples, 0.33%)copy_page (179,418,471 samples, 0.27%)unlink_anon_vmas (2,247,756,653 samples, 3.36%)all (66,873,324,994 samples, 100%)kmem_cache_free (747,334,815 samples, 1.12%)rmap_walk_anon (212,476,213 samples, 0.32%)syscall_return_via_sysret (639,371,703 samples, 0.96%)ptep_clear_flush (144,688,652 samples, 0.22%)__blk_mq_do_dispatch_sched (845,559,262 samples, 1.26%)native_flush_tlb_one_user (128,019,913 samples, 0.19%)