Tracing/Profiling: Ftrace: exported additional symbols after de7b2973 change

PATCH New Ron Rechenmacher 1 participant 1 message Apr 17, 2015

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Tracing IRQ

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Ron Rechenmacher

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2015-04-17 00:51 UTC #0 lore raw

PATCH 1/1 Tracing/Profiling: Ftrace: exported additional symbols after de7b2973 change

After change to use "struct pointer instead of name hash", additional symbols need to be exported using the EXPORT_TRACEPOINT_SYMBOL_GPL macro.

Signed-off-by Ron Rechenmacher <[email protected]>

---
 kernel/irq/handle.c               |    3 +++
 kernel/softirq.c                  |    3 +++
 kernel/trace/trace_sched_switch.c |    2 ++
 kernel/trace/trace_syscalls.c     |    3 +++
 4 files changed, 11 insertions(+), 0 deletions(-)

kernel/irq/handle.c +3 -0

index 6354802..241e165 100644
@@ -195,3 +195,6 @@ irqreturn_t handle_irq_event(struct irq_desc *desc)
        irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS);
        return ret;
 }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_exit);

kernel/softirq.c +3 -0

index 479e443..adce531 100644
@@ -785,3 +785,6 @@ unsigned int __weak arch_dynirq_lower_bound(unsigned int from)
 {
        return from;
 }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(softirq_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(softirq_exit);

kernel/trace/trace_sched_switch.c +2 -0

index 419ca37..c5b96d2 100644
@@ -99,3 +99,5 @@ void tracing_stop_cmdline_record(void)
 {
        tracing_stop_sched_switch();
 }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_switch);

kernel/trace/trace_syscalls.c +3 -0

index f97f6e3..377c712 100644
@@ -748,3 +748,6 @@ static int syscall_exit_register(struct ftrace_event_call *event,
        }
        return 0;
 }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(sys_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sys_enter);