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-rw-r--r--litmus/Kconfig7
1 files changed, 6 insertions, 1 deletions
diff --git a/litmus/Kconfig b/litmus/Kconfig
index a3341021f05c..d62c417f261e 100644
--- a/litmus/Kconfig
+++ b/litmus/Kconfig
@@ -156,7 +156,7 @@ config SCHED_DEBUG_TRACE_SHIFT
156 default 18 156 default 18
157 help 157 help
158 158
159 Select the amount of memory needed per CPU for the TRACE() buffer, as a 159 Select the amount of memory needed per for the TRACE() buffer, as a
160 power of two. The TRACE() buffer is global and statically allocated. If 160 power of two. The TRACE() buffer is global and statically allocated. If
161 the buffer is too small, there will be holes in the TRACE() log if the 161 the buffer is too small, there will be holes in the TRACE() log if the
162 buffer-flushing task is starved. 162 buffer-flushing task is starved.
@@ -169,6 +169,11 @@ config SCHED_DEBUG_TRACE_SHIFT
169 18 => 256KB 169 18 => 256KB
170 20 => 1MB 170 20 => 1MB
171 171
172 This buffer is exported to usespace using a misc device as
173 'litmus/log'. On a system with default udev rules, a corresponding
174 character device node should be created at /dev/litmus/log. The buffer
175 can be flushed using cat, e.g., 'cat /dev/litmus/log > my_log_file.txt'.
176
172endmenu 177endmenu
173 178
174endmenu 179endmenu