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([2a02:2f0a:131e:0:1820:da87:73b1:d80c]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39efa49312fsm14907887f8f.70.2025.04.22.04.32.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Apr 2025 04:32:29 -0700 (PDT) From: Eugen Hristev To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, andersson@kernel.org Cc: linux-doc@vger.kernel.org, corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, rostedt@goodmis.org, john.ogness@linutronix.de, senozhatsky@chromium.org, pmladek@suse.com, peterz@infradead.org, mojha@qti.qualcomm.com, linux-arm-kernel@lists.infradead.org, vincent.guittot@linaro.org, konradybcio@kernel.org, dietmar.eggemann@arm.com, juri.lelli@redhat.com, eugen.hristev@linaro.org Subject: [RFC][PATCH 13/14] sched: add sched_kmemdump_register Date: Tue, 22 Apr 2025 14:31:55 +0300 Message-ID: <20250422113156.575971-14-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250422113156.575971-1-eugen.hristev@linaro.org> References: <20250422113156.575971-1-eugen.hristev@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250422_043231_766172_5E9D6E08 X-CRM114-Status: UNSURE ( 9.83 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add function to register scheduler info into kmemdump Signed-off-by: Eugen Hristev --- include/linux/sched.h | 1 + kernel/sched/core.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/include/linux/sched.h b/include/linux/sched.h index 9c15365a30c0..441f5a6099f6 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1820,6 +1820,7 @@ extern int cpuset_cpumask_can_shrink(const struct cpumask *cur, const struct cpu extern int task_can_attach(struct task_struct *p); extern int dl_bw_alloc(int cpu, u64 dl_bw); extern void dl_bw_free(int cpu, u64 dl_bw); +extern void sched_kmemdump_register(void); #ifdef CONFIG_SMP /* do_set_cpus_allowed() - consider using set_cpus_allowed_ptr() instead */ diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 00ea6f31973c..8615fd02d4db 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -66,6 +66,7 @@ #include #include #include +#include #ifdef CONFIG_PREEMPT_DYNAMIC # ifdef CONFIG_GENERIC_ENTRY @@ -8672,6 +8673,12 @@ void __init sched_init(void) scheduler_running = 1; } +void sched_kmemdump_register(void) +{ + kmemdump_register("runqueues", (void *)&runqueues, sizeof(runqueues)); +} +EXPORT_SYMBOL_GPL(sched_kmemdump_register); + #ifdef CONFIG_DEBUG_ATOMIC_SLEEP void __might_sleep(const char *file, int line) -- 2.43.0