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authorSteven Rostedt <srostedt@redhat.com>2009-06-08 19:09:45 -0400
committerSteven Rostedt <rostedt@goodmis.org>2009-06-09 15:17:32 -0400
commit725c624a58a10ef90a2ff889e122158fabf36147 (patch)
tree0a233afc51fa5bc0717ff99f3004219da54dcd6b /include/linux/trace_seq.h
parent6556d1df88fe68f9836beeb43342a336691cb67c (diff)
downloadlwn-725c624a58a10ef90a2ff889e122158fabf36147.tar.gz
lwn-725c624a58a10ef90a2ff889e122158fabf36147.zip
tracing: add trace_seq_vprint interface
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>
Diffstat (limited to 'include/linux/trace_seq.h')
-rw-r--r--include/linux/trace_seq.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h
index ba9627f00d3f..c68bccba2074 100644
--- a/include/linux/trace_seq.h
+++ b/include/linux/trace_seq.h
@@ -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);