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Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  tracing: Remove comparing of NULL to va_list in trace_array_vprintk()
  tracing: Fix function graph trace_pipe to properly display failed entries
  tracing: Add full state to trace_seq
  tracing: Buffer the output of seq_file in case of filled buffer
  tracing: Only call pipe_close if pipe_close is defined
  tracing: Add pipe_close interface
This commit is contained in:
Linus Torvalds
2009-12-11 20:47:44 -08:00
parent 6f696eb17b 788d70dce0
commit df7147b3c3
6 changed files with 249 additions and 60 deletions
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include/linux/ftrace_event.h
+1
View File
@@ -57,6 +57,7 @@ struct trace_iterator {
/* The below is zeroed out in pipe_read */
struct trace_seq seq;
struct trace_entry *ent;
int leftover;
int cpu;
u64 ts;
include/linux/trace_seq.h
+5 -2
View File
@@ -14,6 +14,7 @@ struct trace_seq {
unsigned char buffer[PAGE_SIZE];
unsigned int len;
unsigned int readpos;
int full;
};
static inline void
@@ -21,6 +22,7 @@ trace_seq_init(struct trace_seq *s)
{
s->len = 0;
s->readpos = 0;
s->full = 0;
}
/*
@@ -33,7 +35,7 @@ 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);
extern int trace_print_seq(struct seq_file *m, struct trace_seq *s);
extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
size_t cnt);
extern int trace_seq_puts(struct trace_seq *s, const char *str);
@@ -55,8 +57,9 @@ trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary)
return 0;
}
static inline void trace_print_seq(struct seq_file *m, struct trace_seq *s)
static inline int trace_print_seq(struct seq_file *m, struct trace_seq *s)
{
return 0;
}
static inline ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
size_t cnt)