aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/trace
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/Kconfig9
-rw-r--r--kernel/trace/ftrace.c2
2 files changed, 5 insertions, 6 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 34e707e5ab87..504086ab4443 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -72,11 +72,10 @@ config FUNCTION_GRAPH_TRACER
72 help 72 help
73 Enable the kernel to trace a function at both its return 73 Enable the kernel to trace a function at both its return
74 and its entry. 74 and its entry.
75 It's first purpose is to trace the duration of functions and 75 Its first purpose is to trace the duration of functions and
76 draw a call graph for each thread with some informations like 76 draw a call graph for each thread with some information like
77 the return value. 77 the return value. This is done by setting the current return
78 This is done by setting the current return address on the current 78 address on the current task structure into a stack of calls.
79 task structure into a stack of calls.
80 79
81config IRQSOFF_TRACER 80config IRQSOFF_TRACER
82 bool "Interrupts-off Latency Tracer" 81 bool "Interrupts-off Latency Tracer"
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index fdf913dfc7e8..53e8c8bc0c98 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1908,7 +1908,7 @@ int register_ftrace_function(struct ftrace_ops *ops)
1908} 1908}
1909 1909
1910/** 1910/**
1911 * unregister_ftrace_function - unresgister a function for profiling. 1911 * unregister_ftrace_function - unregister a function for profiling.
1912 * @ops - ops structure that holds the function to unregister 1912 * @ops - ops structure that holds the function to unregister
1913 * 1913 *
1914 * Unregister a function that was added to be called by ftrace profiling. 1914 * Unregister a function that was added to be called by ftrace profiling.