Only function traces can be exported to other destinations currently. This patch exports event trace as well.
Signed-off-by: Tingwei Zhang <[email protected]> --- kernel/trace/trace.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index bb62269724d5..aef6330836e2 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2697,17 +2697,6 @@ int tracepoint_printk_sysctl(struct ctl_table *table, int write, return ret; } -void trace_event_buffer_commit(struct trace_event_buffer *fbuffer) -{ - if (static_key_false(&tracepoint_printk_key.key)) - output_printk(fbuffer); - - event_trigger_unlock_commit_regs(fbuffer->trace_file, fbuffer->buffer, - fbuffer->event, fbuffer->entry, - fbuffer->flags, fbuffer->pc, fbuffer->regs); -} -EXPORT_SYMBOL_GPL(trace_event_buffer_commit); - /* * Skip 3: * @@ -2868,6 +2857,19 @@ int unregister_ftrace_export(struct trace_export *export) } EXPORT_SYMBOL_GPL(unregister_ftrace_export); +void trace_event_buffer_commit(struct trace_event_buffer *fbuffer) +{ + if (static_key_false(&tracepoint_printk_key.key)) + output_printk(fbuffer); + + if (static_branch_unlikely(&ftrace_exports_enabled)) + ftrace_exports(fbuffer->event); + event_trigger_unlock_commit_regs(fbuffer->trace_file, fbuffer->buffer, + fbuffer->event, fbuffer->entry, + fbuffer->flags, fbuffer->pc, fbuffer->regs); +} +EXPORT_SYMBOL_GPL(trace_event_buffer_commit); + void trace_function(struct trace_array *tr, unsigned long ip, unsigned long parent_ip, unsigned long flags, -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
