The following commit has been merged into the perf/core branch of tip:

Commit-ID:     311baaf93c4b9e6a339722006d1a7c33e4283c0c
Gitweb:        
https://git.kernel.org/tip/311baaf93c4b9e6a339722006d1a7c33e4283c0c
Author:        Arnaldo Carvalho de Melo <[email protected]>
AuthorDate:    Fri, 04 Oct 2019 15:01:30 -03:00
Committer:     Arnaldo Carvalho de Melo <[email protected]>
CommitterDate: Mon, 07 Oct 2019 12:22:18 -03:00

perf trace: Enclose all events argument lists with ()

So that they look a bit like normal strace-like syscall enter+exit
lines.

They will look even more when we switch from using libtraceevent's
tep_print_event() routine in favour of using all the perf beautifiers
used by the strace-like syscall enter+exit lines.

Cc: Adrian Hunter <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Luis Cláudio Gonçalves <[email protected]>
Cc: Namhyung Kim <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/builtin-trace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index b3fb208..297aeaa 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2450,7 +2450,7 @@ static int trace__event_handler(struct trace *trace, 
struct evsel *evsel,
                 */
        }
 
-       fprintf(trace->output, "%s:", evsel->name);
+       fprintf(trace->output, "%s(", evsel->name);
 
        if (perf_evsel__is_bpf_output(evsel)) {
                bpf_output__fprintf(trace, sample);
@@ -2470,7 +2470,7 @@ static int trace__event_handler(struct trace *trace, 
struct evsel *evsel,
        }
 
 newline:
-       fprintf(trace->output, "\n");
+       fprintf(trace->output, ")\n");
 
        if (callchain_ret > 0)
                trace__fprintf_callchain(trace, sample);

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