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SubjectRe: [PATCH 1/2 v3] tracing/events: provide string with undefined size support
> @@ -417,18 +495,22 @@ static struct ftrace_event_call event_##call;				\
> \
> static void ftrace_raw_event_##call(proto) \
> { \
> + struct ftrace_str_offsets_##call __maybe_unused __str_offsets; \
> struct ftrace_event_call *call = &event_##call; \
> struct ring_buffer_event *event; \
> struct ftrace_raw_##call *entry; \
> unsigned long irq_flags; \
> + int __str_size = 0; \
> int pc; \
> \
> local_save_flags(irq_flags); \
> pc = preempt_count(); \
> \
> + tstruct; \
> + \
> event = trace_current_buffer_lock_reserve(event_##call.id, \
> - sizeof(struct ftrace_raw_##call), \
> - irq_flags, pc); \
> + sizeof(struct ftrace_raw_##call) + __str_size,\

sizeof(*entry) will make it much shorter. ;)

> + irq_flags, pc); \
> if (!event) \
> return; \
> entry = ring_buffer_event_data(event); \



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