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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 22:53:40 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 22:53:40 -0400
commit862366118026a358882eefc70238dbcc3db37aac (patch)
tree4eb62bc10327a5afac064a95a091ea05ecd2acc1 /Documentation/kernel-parameters.txt
parent57eee9ae7bbcfb692dc96c739a5184adb6349733 (diff)
parent511b01bdf64ad8a38414096eab283c7784aebfc4 (diff)
Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (244 commits) Revert "x86, bts: reenable ptrace branch trace support" tracing: do not translate event helper macros in print format ftrace/documentation: fix typo in function grapher name tracing/events: convert block trace points to TRACE_EVENT(), fix !CONFIG_BLOCK tracing: add protection around module events unload tracing: add trace_seq_vprint interface tracing: fix the block trace points print size tracing/events: convert block trace points to TRACE_EVENT() ring-buffer: fix ret in rb_add_time_stamp ring-buffer: pass in lockdep class key for reader_lock tracing: add annotation to what type of stack trace is recorded tracing: fix multiple use of __print_flags and __print_symbolic tracing/events: fix output format of user stack tracing/events: fix output format of kernel stack tracing/trace_stack: fix the number of entries in the header ring-buffer: discard timestamps that are at the start of the buffer ring-buffer: try to discard unneeded timestamps ring-buffer: fix bug in ring_buffer_discard_commit ftrace: do not profile functions when disabled tracing: make trace pipe recognize latency format flag ...
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt27
1 files changed, 15 insertions, 12 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f08e2bebb186..4a3c2209a124 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -56,7 +56,6 @@ parameter is applicable:
56 ISAPNP ISA PnP code is enabled. 56 ISAPNP ISA PnP code is enabled.
57 ISDN Appropriate ISDN support is enabled. 57 ISDN Appropriate ISDN support is enabled.
58 JOY Appropriate joystick support is enabled. 58 JOY Appropriate joystick support is enabled.
59 KMEMTRACE kmemtrace is enabled.
60 LIBATA Libata driver is enabled 59 LIBATA Libata driver is enabled
61 LP Printer support is enabled. 60 LP Printer support is enabled.
62 LOOP Loopback device support is enabled. 61 LOOP Loopback device support is enabled.
@@ -754,12 +753,25 @@ and is between 256 and 4096 characters. It is defined in the file
754 ia64_pal_cache_flush instead of SAL_CACHE_FLUSH. 753 ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
755 754
756 ftrace=[tracer] 755 ftrace=[tracer]
757 [ftrace] will set and start the specified tracer 756 [FTRACE] will set and start the specified tracer
758 as early as possible in order to facilitate early 757 as early as possible in order to facilitate early
759 boot debugging. 758 boot debugging.
760 759
761 ftrace_dump_on_oops 760 ftrace_dump_on_oops
762 [ftrace] will dump the trace buffers on oops. 761 [FTRACE] will dump the trace buffers on oops.
762
763 ftrace_filter=[function-list]
764 [FTRACE] Limit the functions traced by the function
765 tracer at boot up. function-list is a comma separated
766 list of functions. This list can be changed at run
767 time by the set_ftrace_filter file in the debugfs
768 tracing directory.
769
770 ftrace_notrace=[function-list]
771 [FTRACE] Do not trace the functions specified in
772 function-list. This list can be changed at run time
773 by the set_ftrace_notrace file in the debugfs
774 tracing directory.
763 775
764 gamecon.map[2|3]= 776 gamecon.map[2|3]=
765 [HW,JOY] Multisystem joystick and NES/SNES/PSX pad 777 [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
@@ -1056,15 +1068,6 @@ and is between 256 and 4096 characters. It is defined in the file
1056 use the HighMem zone if it exists, and the Normal 1068 use the HighMem zone if it exists, and the Normal
1057 zone if it does not. 1069 zone if it does not.
1058 1070
1059 kmemtrace.enable= [KNL,KMEMTRACE] Format: { yes | no }
1060 Controls whether kmemtrace is enabled
1061 at boot-time.
1062
1063 kmemtrace.subbufs=n [KNL,KMEMTRACE] Overrides the number of
1064 subbufs kmemtrace's relay channel has. Set this
1065 higher than default (KMEMTRACE_N_SUBBUFS in code) if
1066 you experience buffer overruns.
1067
1068 kgdboc= [HW] kgdb over consoles. 1071 kgdboc= [HW] kgdb over consoles.
1069 Requires a tty driver that supports console polling. 1072 Requires a tty driver that supports console polling.
1070 (only serial suported for now) 1073 (only serial suported for now)