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tracing: Remove unused argument from "ring_buffer_time_stamp()

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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>
This commit is contained in:
Yordan Karadzhov (VMware) 2021-03-29 16:03:31 +03:00 committed by Steven Rostedt (VMware)
parent 1decdb335c
commit f3ef7202ef
3 changed files with 6 additions and 6 deletions
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2
include/linux/ring_buffer.h
View File

@ -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,

2
kernel/trace/ring_buffer.c
View File

@ -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;

8
kernel/trace/trace.c
View File

@ -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);