Messages in this thread Patch in this message | | | From | Hailong Liu <> | Subject | [PATCH v2] sched/debug:fix stale comments of sched_debug | Date | Sat, 5 Jun 2021 19:47:19 +0800 |
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From: Hailong Liu <liu.hailong6@zte.com.cn>
Since commit 'd27e9ae2f24(sched: Move /proc/sched_debug to debugfs)' file /proc/sched_debug file no longer exists, so update the comments and the dependencies and help text of CONFIG_SCHED_DEBUG.
Signed-off-by: Hailong Liu <liu.hailong6@zte.com.cn> ---
changes since v1: - check and updated the dependencies of CONFIG_SCHED_DEBUG which suggested by Andy Shevchenko and Peter Zijlstra. --- kernel/sched/debug.c | 2 +- lib/Kconfig.debug | 9 +++++---- 2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 9c882f20803e..4cbd6d602829 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -9,7 +9,7 @@ #include "sched.h" /* - * This allows printing both to /proc/sched_debug and + * This allows printing both to debugfs/sched/debug and * to the console */ #define SEQ_printf(m, x...) \ diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 678c13967580..9c1fb07a6950 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1163,12 +1163,13 @@ menu "Scheduler Debugging" config SCHED_DEBUG bool "Collect scheduler debugging info" - depends on DEBUG_KERNEL && PROC_FS + depends on DEBUG_KERNEL && PROC_FS && DEBUG_FS default y help - If you say Y here, the /proc/sched_debug file will be provided - that can help debug the scheduler. The runtime overhead of this - option is minimal. + If you say Y here, the dictory debugfs/sched/ with various + scheduler-related debug files (such as debug, features, etc.) + and files /proc/pid/sched will be provided, that can help debug + the scheduler. The runtime overhead of this option is minimal. config SCHED_INFO bool -- 2.17.1
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