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perf trace: Simplify sys_exit return printing

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Avoiding multiple sc->fmt != NULL tests.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-w28d1o3uslden0k57653kda7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-08-26 11:28:34 -03:00
parent 13d4ff3eb3
commit da3c9a448a
1 changed files with 6 additions and 3 deletions
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9
tools/perf/builtin-trace.c
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@ -464,16 +464,19 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,
fprintf(trace->output, "]: %s()", sc->name);
}
if (ret < 0 && sc->fmt && sc->fmt->errmsg) {
if (sc->fmt == NULL) {
signed_print:
fprintf(trace->output, ") = %d", ret);
} else if (ret < 0 && sc->fmt->errmsg) {
char bf[256];
const char *emsg = strerror_r(-ret, bf, sizeof(bf)),
*e = audit_errno_to_name(-ret);
fprintf(trace->output, ") = -1 %s %s", e, emsg);
} else if (ret == 0 && sc->fmt && sc->fmt->timeout)
} else if (ret == 0 && sc->fmt->timeout)
fprintf(trace->output, ") = 0 Timeout");
else
fprintf(trace->output, ") = %d", ret);
goto signed_print;
fputc('\n', trace->output);
out: