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perf trace: Enclose the errno strings with ()

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To match strace, now both emit the same line for calls like:

 access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-krxl6klsqc9qyktoaxyih942@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2018-12-17 12:06:34 -03:00
parent c48ee107bb
commit 2c83dfae02
1 changed files with 2 additions and 2 deletions
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4
tools/perf/builtin-trace.c
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@@ -2024,10 +2024,10 @@ errno_print: {
const char *emsg = str_error_r(-ret, bf, sizeof(bf)),
*e = errno_to_name(evsel, -ret);
fprintf(trace->output, "-1 %s %s", e, emsg);
fprintf(trace->output, "-1 %s (%s)", e, emsg);
}
} else if (ret == 0 && sc->fmt->timeout)
fprintf(trace->output, "0 Timeout");
fprintf(trace->output, "0 (Timeout)");
else if (ttrace->ret_scnprintf) {
char bf[1024];
struct syscall_arg arg = {