diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-05-12 21:20:46 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 20:43:05 +0200 |
| commit | 8c523a9d82dbc4f3f7d972df8c0f1eacd83d0d55 (patch) | |
| tree | 2317fe9959c6720b29fc466c1ecb8a72ba638d92 | |
| parent | cdd31cd2d7a0dcbec2cce3974f7129dd4fc8c879 (diff) | |
ftrace: clean-up-pipe-iteration
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | kernel/trace/trace.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index ce8ceb8aea6a..42f1926acf73 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -770,12 +770,12 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu) return next; } -static notrace void -trace_iterator_increment(struct trace_iterator *iter) +static notrace void trace_iterator_increment(struct trace_iterator *iter) { iter->idx++; iter->next_idx[iter->cpu]++; iter->next_page_idx[iter->cpu]++; + if (iter->next_page_idx[iter->cpu] >= ENTRIES_PER_PAGE) { struct trace_array_cpu *data = iter->tr->data[iter->cpu]; @@ -785,8 +785,7 @@ trace_iterator_increment(struct trace_iterator *iter) } } -static notrace void -trace_consume(struct trace_iterator *iter) +static notrace void trace_consume(struct trace_iterator *iter) { struct trace_array_cpu *data = iter->tr->data[iter->cpu]; @@ -802,8 +801,7 @@ trace_consume(struct trace_iterator *iter) data->trace_idx = 0; } -static notrace void * -find_next_entry_inc(struct trace_iterator *iter) +static notrace void *find_next_entry_inc(struct trace_iterator *iter) { struct trace_entry *next; int next_cpu = -1; @@ -1871,14 +1869,7 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, cpu_set(cpu, mask); } - while ((entry = find_next_entry(iter, &cpu))) { - - if (!entry) - break; - - iter->ent = entry; - iter->cpu = cpu; - + while ((entry = find_next_entry_inc(iter)) != NULL) { ret = print_trace_fmt(iter); if (!ret) break; @@ -1887,7 +1878,6 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, if (iter->seq.len >= cnt) break; - } for_each_cpu_mask(cpu, mask) { |