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perf evsel: Do not use globals in config()

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Instead receive a callchain_param pointer to configure callchain
aspects, not doing so if NULL is passed.

This will allow fine grained control over which evsels in an evlist
gets callchains enabled.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-2mupip6khc92mh5x4nw9to82@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2016-04-11 18:15:29 -03:00
parent 44621819dd
commit e68ae9cf7d
15 changed files with 26 additions and 18 deletions
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7
tools/perf/util/evsel.c
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@@ -737,7 +737,8 @@ static void apply_config_terms(struct perf_evsel *evsel,
* enable/disable events specifically, as there's no
* initial traced exec call.
*/
void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts)
void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
struct callchain_param *callchain)
{
struct perf_evsel *leader = evsel->leader;
struct perf_event_attr *attr = &evsel->attr;
@@ -812,8 +813,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts)
if (perf_evsel__is_function_event(evsel))
evsel->attr.exclude_callchain_user = 1;
if (callchain_param.enabled && !evsel->no_aux_samples)
perf_evsel__config_callgraph(evsel, opts, &callchain_param);
if (callchain && callchain->enabled && !evsel->no_aux_samples)
perf_evsel__config_callgraph(evsel, opts, callchain);
if (opts->sample_intr_regs) {
attr->sample_regs_intr = opts->sample_intr_regs;