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721a1f53df
Some tests have sub-tests we want to run, so allow passing this.
Wang tried to avoid having to touch all tests, but then, having the
test.func in an anonymous union makes the build fail on older compilers,
like the one in RHEL6, where:
test a = {
.func = foo,
};
fails.
To fix it leave the func pointer in the main structure and pass the subtest
index to all tests, end result function is the same, but we have just one
function pointer, not two, with and without the subtest index as an argument.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5genj0ficwdmelpoqlds0u4y@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
110 lines
2.3 KiB
C
110 lines
2.3 KiB
C
#include <linux/types.h>
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#include <stddef.h>
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#include "tests.h"
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#include "event.h"
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#include "evlist.h"
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#include "header.h"
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#include "util.h"
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#include "debug.h"
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static int process_event(struct perf_evlist **pevlist, union perf_event *event)
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{
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struct perf_sample sample;
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if (event->header.type == PERF_RECORD_HEADER_ATTR) {
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if (perf_event__process_attr(NULL, event, pevlist)) {
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pr_debug("perf_event__process_attr failed\n");
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return -1;
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}
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return 0;
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}
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if (event->header.type >= PERF_RECORD_USER_TYPE_START)
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return -1;
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if (!*pevlist)
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return -1;
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if (perf_evlist__parse_sample(*pevlist, event, &sample)) {
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pr_debug("perf_evlist__parse_sample failed\n");
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return -1;
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}
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return 0;
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}
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static int process_events(union perf_event **events, size_t count)
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{
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struct perf_evlist *evlist = NULL;
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int err = 0;
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size_t i;
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for (i = 0; i < count && !err; i++)
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err = process_event(&evlist, events[i]);
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if (evlist)
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perf_evlist__delete(evlist);
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return err;
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}
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struct test_attr_event {
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struct attr_event attr;
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u64 id;
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};
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/**
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* test__parse_no_sample_id_all - test parsing with no sample_id_all bit set.
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*
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* This function tests parsing data produced on kernel's that do not support the
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* sample_id_all bit. Without the sample_id_all bit, non-sample events (such as
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* mmap events) do not have an id sample appended, and consequently logic
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* designed to determine the id will not work. That case happens when there is
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* more than one selected event, so this test processes three events: 2
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* attributes representing the selected events and one mmap event.
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*
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* Return: %0 on success, %-1 if the test fails.
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*/
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int test__parse_no_sample_id_all(int subtest __maybe_unused)
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{
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int err;
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struct test_attr_event event1 = {
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.attr = {
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.header = {
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.type = PERF_RECORD_HEADER_ATTR,
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.size = sizeof(struct test_attr_event),
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},
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},
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.id = 1,
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};
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struct test_attr_event event2 = {
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.attr = {
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.header = {
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.type = PERF_RECORD_HEADER_ATTR,
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.size = sizeof(struct test_attr_event),
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},
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},
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.id = 2,
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};
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struct mmap_event event3 = {
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.header = {
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.type = PERF_RECORD_MMAP,
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.size = sizeof(struct mmap_event),
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},
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};
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union perf_event *events[] = {
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(union perf_event *)&event1,
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(union perf_event *)&event2,
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(union perf_event *)&event3,
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};
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err = process_events(events, ARRAY_SIZE(events));
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if (err)
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return -1;
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return 0;
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}
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