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| author | Yordan Karadzhov (VMware) <y.karadz@gmail.com> | 2021-03-29 16:03:31 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-04-01 14:18:32 -0400 |
| commit | f3ef7202ef7c705d640d1aeec3b286a641ac9186 (patch) | |
| tree | 9e516e2876c6168d74a6baee5a7d8e6b482b744c | |
| parent | 1decdb335c366fc0a1bae0db55c138c613cc9a1f (diff) | |
| download | lwn-f3ef7202ef7c705d640d1aeec3b286a641ac9186.tar.gz lwn-f3ef7202ef7c705d640d1aeec3b286a641ac9186.zip | |
tracing: Remove unused argument from "ring_buffer_time_stamp()
The "cpu" parameter is not being used by the function.
Link: https://lkml.kernel.org/r/20210329130331.199402-1-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
| -rw-r--r-- | include/linux/ring_buffer.h | 2 | ||||
| -rw-r--r-- | kernel/trace/ring_buffer.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace.c | 8 |
3 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 057b7ed4fe24..dac53fd3afea 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -181,7 +181,7 @@ unsigned long ring_buffer_commit_overrun_cpu(struct trace_buffer *buffer, int cp unsigned long ring_buffer_dropped_events_cpu(struct trace_buffer *buffer, int cpu); unsigned long ring_buffer_read_events_cpu(struct trace_buffer *buffer, int cpu); -u64 ring_buffer_time_stamp(struct trace_buffer *buffer, int cpu); +u64 ring_buffer_time_stamp(struct trace_buffer *buffer); void ring_buffer_normalize_time_stamp(struct trace_buffer *buffer, int cpu, u64 *ts); void ring_buffer_set_clock(struct trace_buffer *buffer, diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index f4216df58e31..2c0ee6484990 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1080,7 +1080,7 @@ static inline u64 rb_time_stamp(struct trace_buffer *buffer) return ts << DEBUG_SHIFT; } -u64 ring_buffer_time_stamp(struct trace_buffer *buffer, int cpu) +u64 ring_buffer_time_stamp(struct trace_buffer *buffer) { u64 time; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 3834de91fb97..507a30bf26e4 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -771,7 +771,7 @@ static u64 buffer_ftrace_now(struct array_buffer *buf, int cpu) if (!buf->buffer) return trace_clock_local(); - ts = ring_buffer_time_stamp(buf->buffer, cpu); + ts = ring_buffer_time_stamp(buf->buffer); ring_buffer_normalize_time_stamp(buf->buffer, cpu, &ts); return ts; @@ -7174,7 +7174,7 @@ static int tracing_time_stamp_mode_open(struct inode *inode, struct file *file) u64 tracing_event_time_stamp(struct trace_buffer *buffer, struct ring_buffer_event *rbe) { if (rbe == this_cpu_read(trace_buffered_event)) - return ring_buffer_time_stamp(buffer, smp_processor_id()); + return ring_buffer_time_stamp(buffer); return ring_buffer_event_time_stamp(buffer, rbe); } @@ -8088,7 +8088,7 @@ tracing_stats_read(struct file *filp, char __user *ubuf, trace_seq_printf(s, "oldest event ts: %5llu.%06lu\n", t, usec_rem); - t = ns2usecs(ring_buffer_time_stamp(trace_buf->buffer, cpu)); + t = ns2usecs(ring_buffer_time_stamp(trace_buf->buffer)); usec_rem = do_div(t, USEC_PER_SEC); trace_seq_printf(s, "now ts: %5llu.%06lu\n", t, usec_rem); } else { @@ -8097,7 +8097,7 @@ tracing_stats_read(struct file *filp, char __user *ubuf, ring_buffer_oldest_event_ts(trace_buf->buffer, cpu)); trace_seq_printf(s, "now ts: %llu\n", - ring_buffer_time_stamp(trace_buf->buffer, cpu)); + ring_buffer_time_stamp(trace_buf->buffer)); } cnt = ring_buffer_dropped_events_cpu(trace_buf->buffer, cpu); |