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perf evlist: Introduce perf_evlist__new_default function

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Adding new common function to create evlist with default event. It
spares some code lines in automated tests.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1378031796-17892-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2013-09-01 12:36:14 +02:00 committed by Arnaldo Carvalho de Melo
parent 27050f530d
commit b22d54b09a
4 changed files with 16 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
tools/perf/tests/perf-record.c
View File

@ -45,7 +45,7 @@ int test__PERF_RECORD(void)
};
cpu_set_t cpu_mask;
size_t cpu_mask_size = sizeof(cpu_mask);
struct perf_evlist *evlist = perf_evlist__new();
struct perf_evlist *evlist = perf_evlist__new_default();
struct perf_evsel *evsel;
struct perf_sample sample;
const char *cmd = "sleep";
@ -65,16 +65,6 @@ int test__PERF_RECORD(void)
goto out;
}
/*
* We need at least one evsel in the evlist, use the default
* one: "cycles".
*/
err = perf_evlist__add_default(evlist);
if (err < 0) {
pr_debug("Not enough memory to create evsel\n");
goto out_delete_evlist;
}
/*
* Create maps of threads and cpus to monitor. In this case
* we start with all threads and cpus (-1, -1) but then in

14
tools/perf/tests/task-exit.c
View File

@ -37,20 +37,11 @@ int test__task_exit(void)
signal(SIGCHLD, sig_handler);
signal(SIGUSR1, sig_handler);
evlist = perf_evlist__new();
evlist = perf_evlist__new_default();
if (evlist == NULL) {
pr_debug("perf_evlist__new\n");
pr_debug("perf_evlist__new_default\n");
return -1;
}
/*
* We need at least one evsel in the evlist, use the default
* one: "cycles".
*/
err = perf_evlist__add_default(evlist);
if (err < 0) {
pr_debug("Not enough memory to create evsel\n");
goto out_free_evlist;
}
/*
* Create maps of threads and cpus to monitor. In this case
@ -117,7 +108,6 @@ int test__task_exit(void)
perf_evlist__close(evlist);
out_delete_maps:
perf_evlist__delete_maps(evlist);
out_free_evlist:
perf_evlist__delete(evlist);
return err;
}

12
tools/perf/util/evlist.c
View File

@ -50,6 +50,18 @@ struct perf_evlist *perf_evlist__new(void)
return evlist;
}
struct perf_evlist *perf_evlist__new_default(void)
{
struct perf_evlist *evlist = perf_evlist__new();
if (evlist && perf_evlist__add_default(evlist)) {
perf_evlist__delete(evlist);
evlist = NULL;
}
return evlist;
}
/**
* perf_evlist__set_id_pos - set the positions of event ids.
* @evlist: selected event list

1
tools/perf/util/evlist.h
View File

@ -53,6 +53,7 @@ struct perf_evsel_str_handler {
};
struct perf_evlist *perf_evlist__new(void);
struct perf_evlist *perf_evlist__new_default(void);
void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
struct thread_map *threads);
void perf_evlist__exit(struct perf_evlist *evlist);