On Mon, Jul 18, 2011 at 05:34:45PM -0400, Keiichi KII wrote: > From: Keiichi Kii <k-keiichi@xxxxxxxxxxxxx> > > We can use this "dump_header" event to separate trace data > for the object collections. > dump_header is a very generic name. A "header" could apply to almost anything. Network packets have headers but is unrelated to this. > Usage and Sample output: > > zsh 2815 [001] 8819.880776: dump_header: object=mm/pages/walk-fs input=/ > zsh 2815 [001] 8819.880786: dump_inode: ino=139161 size=507416 cached=507904 age=29 dirty=7 dev=254:0 file=strchr > zsh 2815 [001] 8819.880790: dump_pagecache_range: index=0 len=1 flags=4000000000000878 count=2 mapcount=0 > zsh 2815 [001] 8819.880793: dump_pagecache_range: index=1 len=18 flags=400000000000087c count=2 mapcount=0 > zsh 2815 [001] 8819.880795: dump_pagecache_range: index=19 len=1 flags=400000000000083c count=2 mapcount=0 > zsh 2815 [001] 8819.880796: dump_pagecache_range: index=20 len=2 flags=400000000000087c count=2 mapcount=0 > ... > zsh 2816 [001] 8820.XXXXXX: dump_header: object=mm/pages/walk-fs input=/ Is it possible for other trace information to appear in the middle of this? In particular, is it possible for a new "dump_header" to appear in the middle of an existing dump? > Signed-off-by: Keiichi Kii <k-keiichi@xxxxxxxxxxxxx> > --- > > include/trace/events/mm.h | 19 +++++++++++++++++++ > kernel/trace/trace_mm.c | 9 +++++++++ > 2 files changed, 28 insertions(+), 0 deletions(-) > Where are these files? Your leader makes reference to latest linux-tip but there are a few trees called linux-tip. Even then, which latest branch? I dug through Ingo's linux-tip tree but couldn't find where the dump_inode tracepoint was to look at it so I couldn't review the changes. Sorry if I missed something obvious :( -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>