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ca76fb67eb
Frame pointer callchains are not supported on s390 and dwarf callchains are only supported on software events. Switch the default event from the hardware 'cycles' event to the software 'cpu-clock' or 'task-clock' on s390 if callchains are enabled. Move some of the target initialization earlier in builtin-top and builtin-record, so it is ready for use by evlist__new_default. If frame pointer callchains are requested on s390 show a warning. Modify the '-g' option of `perf top` and `perf record` to default to dwarf callchains on s390. Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Thomas Richter <tmricht@linux.ibm.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
125 lines
4.0 KiB
C
125 lines
4.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/compiler.h>
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#include <perf/cpumap.h>
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#include <string.h>
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#include "cpumap.h"
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#include "evlist.h"
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#include "evsel.h"
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#include "header.h"
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#include "machine.h"
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#include "util/synthetic-events.h"
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#include "target.h"
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#include "tool.h"
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#include "tests.h"
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#include "debug.h"
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static int process_event_unit(const struct perf_tool *tool __maybe_unused,
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union perf_event *event,
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struct perf_sample *sample __maybe_unused,
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struct machine *machine __maybe_unused)
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{
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struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
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TEST_ASSERT_VAL("wrong id", ev->id == 123);
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TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__UNIT);
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TEST_ASSERT_VAL("wrong unit", !strcmp(ev->unit, "KRAVA"));
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return 0;
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}
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static int process_event_scale(const struct perf_tool *tool __maybe_unused,
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union perf_event *event,
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struct perf_sample *sample __maybe_unused,
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struct machine *machine __maybe_unused)
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{
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struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
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TEST_ASSERT_VAL("wrong id", ev->id == 123);
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TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__SCALE);
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TEST_ASSERT_VAL("wrong scale", ev->scale.scale == 0.123);
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return 0;
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}
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struct event_name {
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struct perf_tool tool;
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const char *name;
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};
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static int process_event_name(const struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample __maybe_unused,
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struct machine *machine __maybe_unused)
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{
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struct event_name *tmp = container_of(tool, struct event_name, tool);
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struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
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TEST_ASSERT_VAL("wrong id", ev->id == 123);
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TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__NAME);
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TEST_ASSERT_VAL("wrong name", !strcmp(ev->name, tmp->name));
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return 0;
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}
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static int process_event_cpus(const struct perf_tool *tool __maybe_unused,
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union perf_event *event,
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struct perf_sample *sample __maybe_unused,
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struct machine *machine __maybe_unused)
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{
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struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
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struct perf_cpu_map *map;
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map = cpu_map__new_data(&ev->cpus.cpus);
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TEST_ASSERT_VAL("wrong id", ev->id == 123);
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TEST_ASSERT_VAL("wrong type", ev->type == PERF_EVENT_UPDATE__CPUS);
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TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__nr(map) == 3);
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TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__cpu(map, 0).cpu == 1);
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TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__cpu(map, 1).cpu == 2);
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TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__cpu(map, 2).cpu == 3);
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perf_cpu_map__put(map);
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return 0;
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}
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static int test__event_update(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
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{
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struct evsel *evsel;
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struct event_name tmp;
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struct target target = {};
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struct evlist *evlist = evlist__new_default(&target, /*sample_callchains=*/false);
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TEST_ASSERT_VAL("failed to get evlist", evlist);
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evsel = evlist__first(evlist);
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TEST_ASSERT_VAL("failed to allocate ids",
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!perf_evsel__alloc_id(&evsel->core, 1, 1));
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perf_evlist__id_add(&evlist->core, &evsel->core, 0, 0, 123);
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free((char *)evsel->unit);
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evsel->unit = strdup("KRAVA");
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TEST_ASSERT_VAL("failed to synthesize attr update unit",
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!perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit));
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evsel->scale = 0.123;
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TEST_ASSERT_VAL("failed to synthesize attr update scale",
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!perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale));
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perf_tool__init(&tmp.tool, /*ordered_events=*/false);
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tmp.name = evsel__name(evsel);
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TEST_ASSERT_VAL("failed to synthesize attr update name",
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!perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name));
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perf_cpu_map__put(evsel->core.pmu_cpus);
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evsel->core.pmu_cpus = perf_cpu_map__new("1,2,3");
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TEST_ASSERT_VAL("failed to synthesize attr update cpus",
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!perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus));
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evlist__delete(evlist);
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return 0;
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}
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DEFINE_SUITE("Synthesize attr update", event_update);
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