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perf trace: Do not show syscall tracepoint filter in the --no-syscalls case

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We were accessing trace->syscalls.events members even when that struct
wasn't initialized, i.e. --no-syscalls was specified on the command
line, fix it to show that, still in debug mode, when we have an event
qualifier list, i.e. when we actually are doing subset syscall tracing.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Milian Wolff <mail@milianw.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Fixes: 19867b6186 ("perf trace: Use event filters for the event qualifier list")
Link: http://lkml.kernel.org/n/tip-7980ym6vujgh3yiai0cqzc88@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-08-03 17:12:29 -03:00
parent 9ee67421fe
commit 2e5e5f8761
1 changed files with 3 additions and 2 deletions
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5
tools/perf/builtin-trace.c
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@ -2394,9 +2394,10 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
err = trace__set_ev_qualifier_filter(trace);
if (err < 0)
goto out_errno;
}
pr_debug("%s\n", trace->syscalls.events.sys_exit->filter);
pr_debug("event qualifier tracepoint filter: %s\n",
trace->syscalls.events.sys_exit->filter);
}
err = perf_evlist__apply_filters(evlist, &evsel);
if (err < 0)