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-rw-r--r--lib/sys_info.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/sys_info.c b/lib/sys_info.c
new file mode 100644
index 000000000000..53031e5cb98e
--- /dev/null
+++ b/lib/sys_info.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/sched/debug.h>
+#include <linux/console.h>
+#include <linux/kernel.h>
+#include <linux/ftrace.h>
+#include <linux/nmi.h>
+
+#include <linux/sys_info.h>
+
+void sys_info(unsigned long si_mask)
+{
+ if (si_mask & SYS_INFO_TASKS)
+ show_state();
+
+ if (si_mask & SYS_INFO_MEM)
+ show_mem();
+
+ if (si_mask & SYS_INFO_TIMERS)
+ sysrq_timer_list_show();
+
+ if (si_mask & SYS_INFO_LOCKS)
+ debug_show_all_locks();
+
+ if (si_mask & SYS_INFO_FTRACE)
+ ftrace_dump(DUMP_ALL);
+
+ if (si_mask & SYS_INFO_ALL_CPU_BT)
+ trigger_all_cpu_backtrace();
+
+ if (si_mask & SYS_INFO_BLOCKED_TASKS)
+ show_state_filter(TASK_UNINTERRUPTIBLE);
+}