TRACE-CMD-MEM(1) | TRACE-CMD-MEM(1) |
NAME¶
trace-cmd-mem - show memory usage of certain kmem eventsSYNOPSIS¶
trace-cmd mem [OPTIONS][input-file]DESCRIPTION¶
The trace-cmd(1) mem requires a trace-cmd record that enabled the following events: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-fileBy default, trace-cmd hist will read the file
trace.dat. But the -i option open up the given input-file
instead. Note, the input file may also be specified as the last item on the
command line.
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)AUTHOR¶
Written by Steven Rostedt, < rostedt@goodmis.org[1]>RESOURCES¶
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.gitCOPYING¶
Copyright (C) 2013 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).NOTES¶
- 1.
- rostedt@goodmis.org
mailto:rostedt@goodmis.org
06/20/2014 |