* [RFC PATCH 5/7] sched: access to runqueues by function
@ 2023-12-21 13:35 Ruipeng Qi
0 siblings, 0 replies; only message in thread
From: Ruipeng Qi @ 2023-12-21 13:35 UTC (permalink / raw)
To: mingo, peterz, juri.lelli, vincent.guittot, dietmar.eggemann
Cc: rostedt, bsegall, mgorman, bristot, vschneid, linux-kernel, qiruipeng
From: qiruipeng <qiruipeng@lixiang.com>
Osdump is interested with runqueues, so try to access to it through
one new added function get_rq.
Signed-off-by: qiruipeng <qiruipeng@lixiang.com>
---
kernel/sched/core.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a708d225c28e..217966111ea7 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -117,6 +117,14 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(sched_compute_energy_tp);
DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
+#ifdef CONFIG_OS_MINIDUMP
+int get_rq(int cpu, void **rq)
+{
+ *rq = (cpu_rq(cpu));
+ return sizeof(struct rq);
+}
+#endif
+
#ifdef CONFIG_SCHED_DEBUG
/*
* Debugging: various feature bits
--
2.17.1
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