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| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2016-10-05 12:17:54 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-10-05 12:17:54 -0400 |
| commit | 5758cd040588d0fec656ee79d690920f894968ec (patch) | |
| tree | 971485769ffb7f095aecbbcb2346412b41119f3f | |
| parent | feaf0a2cccdc2977b2924fcc9ee779e80ee8c44f (diff) | |
| download | trace-cmd-5758cd040588d0fec656ee79d690920f894968ec.tar.gz | |
trace-graph: Show events missed in cpu plot
If events were dropped, when hovering over the CPU plot, show that events
were missed.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | trace-plot-cpu.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/trace-plot-cpu.c b/trace-plot-cpu.c index eab5656c..d83b595b 100644 --- a/trace-plot-cpu.c +++ b/trace-plot-cpu.c @@ -366,6 +366,7 @@ int cpu_plot_display_info(struct graph_info *ginfo, struct cpu_plot_info *cpu_info = plot->private; struct event_format *event; struct pevent_record *record; + struct pevent_record *next_record; struct pevent *pevent; unsigned long sec, usec; const char *comm; @@ -426,10 +427,18 @@ int cpu_plot_display_info(struct graph_info *ginfo, } trace_seq_printf(s, "%lu.%06lu", sec, usec); - if (pid) - trace_seq_printf(s, " %s-%d", comm, pid); - else - trace_seq_puts(s, " <idle>"); + + next_record = tracecmd_peek_data(ginfo->handle, cpu); + + if (next_record && next_record->missed_events) { + trace_seq_puts(s, " MISSED EVENTS"); + } else { + + if (pid) + trace_seq_printf(s, " %s-%d", comm, pid); + else + trace_seq_puts(s, " <idle>"); + } free_record(record); |