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tracing: add trace_seq_vprint interface

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The code to update the print formats for events requires a vprintf
format in the trace_seq. This patch adds that interface.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt
2009-06-08 19:09:45 -04:00
committed by Steven Rostedt
parent 6556d1df88
commit 725c624a58
2 changed files with 34 additions and 0 deletions
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2
include/linux/trace_seq.h
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@@ -27,6 +27,8 @@ trace_seq_init(struct trace_seq *s)
#ifdef CONFIG_TRACING
extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
__attribute__ ((format (printf, 2, 0)));
extern int
trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
extern void trace_print_seq(struct seq_file *m, struct trace_seq *s);