Commit-ID:  f3acd8869b9badcfd91cf50a2b6242be7b9368e2
Gitweb:     https://git.kernel.org/tip/f3acd8869b9badcfd91cf50a2b6242be7b9368e2
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Thu, 2 Aug 2018 15:11:58 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Thu, 2 Aug 2018 15:39:00 -0300

perf trace: Use perf_evsel__sc_tp_{uint,ptr} for "id"/"args" handling 
syscalls:* events

Now it looks just about the same as for the trace__sys_{enter,exit}.

Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/builtin-trace.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 41799596c045..7232a7302580 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1693,20 +1693,13 @@ out_put:
 static int trace__fprintf_sys_enter(struct trace *trace, struct perf_evsel 
*evsel,
                                    struct perf_sample *sample)
 {
-       struct format_field *field = perf_evsel__field(evsel, "__syscall_nr");
        struct thread_trace *ttrace;
        struct thread *thread;
-       struct syscall *sc;
+       int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1;
+       struct syscall *sc = trace__syscall_info(trace, evsel, id);
        char msg[1024];
-       int id, err = -1;
        void *args;
 
-       if (field == NULL)
-               return -1;
-
-       id = format_field__intval(field, sample, evsel->needs_swap);
-       sc = trace__syscall_info(trace, evsel, id);
-
        if (sc == NULL)
                return -1;
 
@@ -1719,7 +1712,7 @@ static int trace__fprintf_sys_enter(struct trace *trace, 
struct perf_evsel *evse
        if (ttrace == NULL)
                goto out_put;
 
-       args = sample->raw_data + field->offset + sizeof(u64); /* skip 
__syscall_nr, there is where args are */
+       args = perf_evsel__sc_tp_ptr(evsel, args, sample);
        syscall__scnprintf_args(sc, msg, sizeof(msg), args, trace, thread);
        fprintf(trace->output, "%s", msg);
        err = 0;

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