From: "zhangwei(Jovi)" <jovi.zhang...@huawei.com>
tracing clock id already changed into per trace_array variable,
but there still use global trace_clock_id, which value always is 0 now.
Signed-off-by: zhangwei(Jovi) <jovi.zhang...@huawei.com>
---
kernel/trace/trace.c | 8 +++-----
kernel/trace/trace.h | 2 --
2 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index dd0c122..ee4e110 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -652,8 +652,6 @@ static struct {
ARCH_TRACE_CLOCKS
};
-int trace_clock_id;
-
/*
* trace_parser_get_init - gets the buffer for trace parser
*/
@@ -2806,7 +2804,7 @@ __tracing_open(struct inode *inode, struct file *file,
bool snapshot)
iter->iter_flags |= TRACE_FILE_ANNOTATE;
/* Output in nanoseconds only if we are using a clock in nanoseconds. */
- if (trace_clocks[trace_clock_id].in_ns)
+ if (trace_clocks[tr->clock_id].in_ns)
iter->iter_flags |= TRACE_FILE_TIME_IN_NS;
/* stop the trace while dumping if we are not opening "snapshot" */
@@ -3805,7 +3803,7 @@ static int tracing_open_pipe(struct inode *inode, struct
file *filp)
iter->iter_flags |= TRACE_FILE_LAT_FMT;
/* Output in nanoseconds only if we are using a clock in nanoseconds. */
- if (trace_clocks[trace_clock_id].in_ns)
+ if (trace_clocks[tr->clock_id].in_ns)
iter->iter_flags |= TRACE_FILE_TIME_IN_NS;
iter->cpu_file = tc->cpu;
@@ -5075,7 +5073,7 @@ tracing_stats_read(struct file *filp, char __user *ubuf,
cnt = ring_buffer_bytes_cpu(trace_buf->buffer, cpu);
trace_seq_printf(s, "bytes: %ld\n", cnt);
- if (trace_clocks[trace_clock_id].in_ns) {
+ if (trace_clocks[tr->clock_id].in_ns) {
/* local or global for trace_clock */
t = ns2usecs(ring_buffer_oldest_event_ts(trace_buf->buffer,
cpu));
usec_rem = do_div(t, USEC_PER_SEC);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index bb3fd1b..9b8afa7 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -588,8 +588,6 @@ enum print_line_t print_trace_line(struct trace_iterator
*iter);
extern unsigned long trace_flags;
-extern int trace_clock_id;
-
/* Standard output formatting function used for function return traces */
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
--
1.7.9.7
--
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