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Peter Anvin" , Ingo Molnar , Juri Lelli , Mel Gorman , Mike Rapoport , thomas.lendacky@amd.com, Tony Luck , Vincent Guittot , x86@kernel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)) Subject: [RFC 2/2] sched/debug: Add debug information about whether coresched is enabled Date: Wed, 11 Nov 2020 16:10:11 -0500 Message-Id: <20201111211011.1381848-3-joel@joelfernandes.org> X-Mailer: git-send-email 2.29.2.222.g5d2a92d10f8-goog In-Reply-To: <20201111211011.1381848-1-joel@joelfernandes.org> References: <20201111211011.1381848-1-joel@joelfernandes.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is useful to see whether coresched is enabled or not, especially in devices that don't need it. Add information about the same to /proc/sched_debug. Signed-off-by: Joel Fernandes (Google) --- kernel/sched/debug.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 88bf45267672..935b68be18cd 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -782,6 +782,10 @@ static void sched_debug_header(struct seq_file *m) "sysctl_sched_tunable_scaling", sysctl_sched_tunable_scaling, sched_tunable_scaling_names[sysctl_sched_tunable_scaling]); +#ifdef CONFIG_SCHED_CORE + SEQ_printf(m, " .%-40s: %d\n", "core_sched_enabled", + !!static_branch_likely(&__sched_core_enabled)); +#endif SEQ_printf(m, "\n"); } -- 2.29.2.222.g5d2a92d10f8-goog