diff options
| -rw-r--r-- | tools/perf/builtin-kwork.c | 63 |
1 files changed, 61 insertions, 2 deletions
diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c index 53ccec22649b..46c0052f07b2 100644 --- a/tools/perf/builtin-kwork.c +++ b/tools/perf/builtin-kwork.c @@ -479,16 +479,75 @@ static int report_exit_event(struct perf_kwork *kwork, return 0; } +static struct kwork_class kwork_irq; +static int process_irq_handler_entry_event(struct perf_tool *tool, + struct evsel *evsel, + struct perf_sample *sample, + struct machine *machine) +{ + struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); + + if (kwork->tp_handler->entry_event) + return kwork->tp_handler->entry_event(kwork, &kwork_irq, + evsel, sample, machine); + return 0; +} + +static int process_irq_handler_exit_event(struct perf_tool *tool, + struct evsel *evsel, + struct perf_sample *sample, + struct machine *machine) +{ + struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); + + if (kwork->tp_handler->exit_event) + return kwork->tp_handler->exit_event(kwork, &kwork_irq, + evsel, sample, machine); + return 0; +} + const struct evsel_str_handler irq_tp_handlers[] = { - { "irq:irq_handler_entry", NULL, }, - { "irq:irq_handler_exit", NULL, }, + { "irq:irq_handler_entry", process_irq_handler_entry_event, }, + { "irq:irq_handler_exit", process_irq_handler_exit_event, }, }; +static int irq_class_init(struct kwork_class *class, + struct perf_session *session) +{ + if (perf_session__set_tracepoints_handlers(session, irq_tp_handlers)) { + pr_err("Failed to set irq tracepoints handlers\n"); + return -1; + } + + class->work_root = RB_ROOT_CACHED; + return 0; +} + +static void irq_work_init(struct kwork_class *class, + struct kwork_work *work, + struct evsel *evsel, + struct perf_sample *sample, + struct machine *machine __maybe_unused) +{ + work->class = class; + work->cpu = sample->cpu; + work->id = evsel__intval(evsel, sample, "irq"); + work->name = evsel__strval(evsel, sample, "name"); +} + +static void irq_work_name(struct kwork_work *work, char *buf, int len) +{ + snprintf(buf, len, "%s:%" PRIu64 "", work->name, work->id); +} + static struct kwork_class kwork_irq = { .name = "irq", .type = KWORK_CLASS_IRQ, .nr_tracepoints = 2, .tp_handlers = irq_tp_handlers, + .class_init = irq_class_init, + .work_init = irq_work_init, + .work_name = irq_work_name, }; const struct evsel_str_handler softirq_tp_handlers[] = { |