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| author | Mike Frysinger <vapier@gentoo.org> | 2010-01-22 08:12:47 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2010-01-26 17:00:39 -0500 |
| commit | 03688970347bfea32823953a7ce5886d1713205f (patch) | |
| tree | 7ae2cc539b20b0a621d4a11f335f96de619ecfcb /kernel | |
| parent | 6993b1bb1e62367f500789835a1f747e12259f07 (diff) | |
| download | op-kernel-dev-03688970347bfea32823953a7ce5886d1713205f.zip op-kernel-dev-03688970347bfea32823953a7ce5886d1713205f.tar.gz | |
tracing/documentation: Cover new frame pointer semantics
Update the graph tracer examples to cover the new frame pointer semantics
(in terms of passing it along). Move the HAVE_FUNCTION_GRAPH_FP_TEST docs
out of the Kconfig, into the right place, and expand on the details.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
LKML-Reference: <1264165967-18938-1-git-send-email-vapier@gentoo.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/Kconfig | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 6c22d8a..60e2ce0 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -27,9 +27,7 @@ config HAVE_FUNCTION_GRAPH_TRACER config HAVE_FUNCTION_GRAPH_FP_TEST bool help - An arch may pass in a unique value (frame pointer) to both the - entering and exiting of a function. On exit, the value is compared - and if it does not match, then it will panic the kernel. + See Documentation/trace/ftrace-design.txt config HAVE_FUNCTION_TRACE_MCOUNT_TEST bool |
