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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 <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-y59may7zx1eccnp4m3qm4u0b@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-08-02 15:11:58 -03:00
parent d32855fa35
commit f3acd8869b
1 changed files with 3 additions and 10 deletions
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13
tools/perf/builtin-trace.c
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@ -1693,20 +1693,13 @@ static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
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;