Messages in this thread Patch in this message |  | | Date | Fri, 01 Nov 2013 17:53:55 -0400 | From | Steven Rostedt <> | Subject | [PATCH 3/8] tools lib traceevent: If %s is a pointer, check printk formats |
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From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
If the format string of TP_printk() contains a %s, and the argument is not a string, check if the argument is a pointer that might match the printk_formats that were stored.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- tools/lib/traceevent/event-parse.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 856b791..013c8d3 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -3505,6 +3505,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, struct pevent *pevent = event->pevent; struct print_flag_sym *flag; struct format_field *field; + struct printk_map *printk; unsigned long long val, fval; unsigned long addr; char *str; @@ -3540,7 +3541,12 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, if (!(field->flags & FIELD_IS_ARRAY) && field->size == pevent->long_size) { addr = *(unsigned long *)(data + field->offset); - trace_seq_printf(s, "%lx", addr); + /* Check if it matches a print format */ + printk = find_printk(pevent, addr); + if (printk) + trace_seq_puts(s, printk->printk); + else + trace_seq_printf(s, "%lx", addr); break; } str = malloc(len + 1); -- 1.8.4.rc3
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