TRACE-CMD-MEM(1) libtracefs Manual TRACE-CMD-MEM(1) (NAME) trace-cmd-mem - kmem (SYNOPSIS) trace-cmd mem [OPTIONS][input-file] (DESCRIPTION) trace-cmd(1) mem trace-cmd record : kmalloc kmalloc_node kfree kmem_cache_alloc kmem_cache_alloc_node kmem_cache_alloc_free . . ( - ) . . Function Waste Alloc req TotAlloc TotReq MaxAlloc MaxReq MaxWaste -------- ----- ----- --- -------- ------ -------- ------ -------- rb_allocate_cpu_buffer 768 2304 1536 2304 1536 2304 1536 768 alloc_pipe_info 400 1152 752 1152 752 1152 752 400 instance_mkdir 252 544 292 544 292 544 292 252 __d_alloc 215 1086560 1086345 1087208 1086993 1086560 1086345 215 get_empty_filp 72 2304 2232 4864 4712 4864 4712 152 mm_alloc 40 960 920 960 920 960 920 40 prepare_creds 32 192 160 1728 1440 1728 1440 288 tracing_buffers_open 8 32 24 32 24 32 24 8 do_brk 0 0 0 368 368 368 368 0 journal_add_journal_head 0 6048 6048 6048 6048 6048 6048 0 journal_start 0 0 0 1224 1224 48 48 0 __rb_allocate_pages 0 3289856 3289856 3289856 3289856 3289856 3289856 0 anon_vma_alloc 0 0 0 936 936 864 864 0 [...] (OPTIONS) -i input-file trace-cmd hist trace.dat . -i input-file . . (SEE ALSO) trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-hist(1), trace-cmd-split(1), trace-cmd-listen(1) (AUTHORS) Steven Rostedt (RESOURCES) https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git (COPYRIGHT) (C) Red Hat, Inc . (GPL) . (NOTES) 1. rostedt@goodmis.org mailto:rostedt@goodmis.org libtracefs 03/09/2026 TRACE-CMD-MEM(1)