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authorFrederic Weisbecker <fweisbec@gmail.com>2010-07-15 23:27:35 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-07-15 23:59:33 +0200
commit5d550467b9770042e9699690907babc32104a8d4 (patch)
treeeda923f5976f5d6f881719998207696147cffa41 /kernel/trace/Kconfig
parent86a8c63f75a4582c44465e2bf71bc2df175cee77 (diff)
tracing: Remove ksym tracer
The ksym (breakpoint) ftrace plugin has been superseded by perf tools that are much more poweful to use the cpu breakpoints. This tracer doesn't bring more feature. It has been deprecated for a while now, lets remove it. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Prasad <prasad@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/Kconfig')
-rw-r--r--kernel/trace/Kconfig22
1 files changed, 0 insertions, 22 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index f669092fdea..f5306cb0afb 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -308,28 +308,6 @@ config BRANCH_TRACER
Say N if unsure.
-config KSYM_TRACER
- bool "Trace read and write access on kernel memory locations"
- depends on HAVE_HW_BREAKPOINT
- select TRACING
- help
- This tracer helps find read and write operations on any given kernel
- symbol i.e. /proc/kallsyms.
-
-config PROFILE_KSYM_TRACER
- bool "Profile all kernel memory accesses on 'watched' variables"
- depends on KSYM_TRACER
- help
- This tracer profiles kernel accesses on variables watched through the
- ksym tracer ftrace plugin. Depending upon the hardware, all read
- and write operations on kernel variables can be monitored for
- accesses.
-
- The results will be displayed in:
- /debugfs/tracing/profile_ksym
-
- Say N if unsure.
-
config STACK_TRACER
bool "Trace max stack"
depends on HAVE_FUNCTION_TRACER