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perf evlist: Introduce add_newtp method

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To reduce the boilerplate of creating and adding a new tracepoint to an
evlist.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
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-4z90i79gnmsza2czv2dhdrb7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2012-10-03 11:40:22 -03:00
parent de332ac40f
commit 39876e7dd3
3 changed files with 20 additions and 15 deletions
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18
tools/perf/builtin-trace.c
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@@ -200,24 +200,12 @@ static int trace__run(struct trace *trace)
goto out;
}
evsel = perf_evsel__newtp("raw_syscalls", "sys_enter", 0);
if (evsel == NULL) {
printf("Couldn't read the raw_syscalls:sys_enter tracepoint information!\n");
if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) ||
perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) {
printf("Couldn't read the raw_syscalls tracepoints information!\n");
goto out_delete_evlist;
}
evsel->handler.func = trace__sys_enter;
perf_evlist__add(evlist, evsel);
evsel = perf_evsel__newtp("raw_syscalls", "sys_exit", 1);
if (evsel == NULL) {
printf("Couldn't read the raw_syscalls:sys_exit tracepoint information!\n");
goto out_delete_evlist;
}
evsel->handler.func = trace__sys_exit;
perf_evlist__add(evlist, evsel);
err = perf_evlist__create_maps(evlist, &trace->opts.target);
if (err < 0) {
printf("Problems parsing the target to trace, check your options!\n");