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ANDROID: softirq: Export irq_handler_exit tracepoint

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Export irq_handle_exit tracepoint, so that vendor modules
can register probes for this tracepoint.

To debug irq-related issue, irq_handler_exit info must be necessary
to find whether irq exits normally or not.
And irq_handler_exit also check that irq handler is operated normally or not.

Bug: 205928005
Change-Id: I8e1eaffb7dd2f257e9c09412aad54ecca62bf019
Signed-off-by: Changki Kim <changki.kim@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
This commit is contained in:
Changki Kim
2020-12-19 14:05:41 +09:00
committed by Todd Kjos
parent 0004ef7915
commit 9d7d7ea7e3
1 changed files with 1 additions and 0 deletions
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1
kernel/softirq.c
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@@ -34,6 +34,7 @@
#include <trace/events/irq.h>
EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_entry);
EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_exit);
/*
- No shared variables, all the data are CPU local.