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2011-11-04tracing: update Documentation on max preds limitLi Zefan
Preds is no longer stored in a fixed-size stack. The max preds now is 2^14, and is way more than enough, so don't bother to document it. Link: http://lkml.kernel.org/r/4EAA5E54.1080102@cn.fujitsu.com Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-01-08Documentation/trace/events.txt: Remove obsolete sched_signal_send.Tao Ma
'sched_signal_send' doesn't exist in the kernel now. Replace it with 'signal_generate' so that the example in events.txt can be executed successfully. I also change some /debug to /sys/kernel/debug which is debugfs' default mount directory now(similar to commit 52ad51e). Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-05-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits) vlynq: make whole Kconfig-menu dependant on architecture add descriptive comment for TIF_MEMDIE task flag declaration. EEPROM: max6875: Header file cleanup EEPROM: 93cx6: Header file cleanup EEPROM: Header file cleanup agp: use NULL instead of 0 when pointer is needed rtc-v3020: make bitfield unsigned PCI: make bitfield unsigned jbd2: use NULL instead of 0 when pointer is needed cciss: fix shadows sparse warning doc: inode uses a mutex instead of a semaphore. uml: i386: Avoid redefinition of NR_syscalls fix "seperate" typos in comments cocbalt_lcdfb: correct sections doc: Change urls for sparse Powerpc: wii: Fix typo in comment i2o: cleanup some exit paths Documentation/: it's -> its where appropriate UML: Fix compiler warning due to missing task_struct declaration UML: add kernel.h include to signal.c ...
2010-05-04tracing: Make the documentation clear on trace_event boot optionLi Zefan
Make it clear that event-list is a comma separated list of events. Reported-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> LKML-Reference: <4B2F154C.2060503@cn.fujitsu.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-03-16Fix typos in commentsThomas Weber
[Ss]ytem => [Ss]ystem udpate => update paramters => parameters orginal => original Signed-off-by: Thomas Weber <swirl@gmx.li> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-09-21trivial: fix typo in tracing documentationMichal Sojka
Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-09-17Merge branch 'linus' into tracing/coreIngo Molnar
Merge reason: Pick up kernel/softirq.c update for dependent fix. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-09-15debugfs: Fix mount directory of debugfs by default in events.txtGeunSik Lim
We need common default directory of denbugfs for consistency. (debugfs's default directory is /sys/kernel/debug/ by debugfs.) Signed-off-by: GeunSik Lim <geunsik.lim@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-12tracing/filters: add filter DocumentationTom Zanussi
Documentation for event filters and formats. v2 changes: fix a few problems noticed by Randy Dunlap. Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <1252642431.8016.9.camel@tropicana> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2009-07-01tracing/events: Add trace_event boot optionLi Zefan
We already have ftrace= boot option, and this adds a similar boot option for trace events, so allow trace events to be enabled at boot, for boot debugging purpose. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <4A4ACE29.3010407@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-05-19tracing/events: Documentation updatesLi Zefan
- fix some typos - document the difference between '>' and '>>' - document the 'enable' toggle - remove section "Defining an event-enabled tracepoint", since it's out-dated and sample/trace_events/ already serves this purpose. v2: add "Updated by Li Zefan" [ Impact: make documentation up-to-date ] Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: "Theodore Ts'o" <tytso@mit.edu> LKML-Reference: <4A125503.5060406@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-12tracing: Document the event tracing systemTheodore Ts'o
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1239479479-2603-3-git-send-email-tytso@mit.edu> Signed-off-by: Ingo Molnar <mingo@elte.hu>