diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/powerpc/pmu/event.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/event.h b/tools/testing/selftests/powerpc/pmu/event.h new file mode 100644 index 000000000..51aad0b6d --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/event.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2013, Michael Ellerman, IBM Corp. + */ + +#ifndef _SELFTESTS_POWERPC_PMU_EVENT_H +#define _SELFTESTS_POWERPC_PMU_EVENT_H + +#include <unistd.h> +#include <linux/perf_event.h> + +#include "utils.h" + + +struct event { + struct perf_event_attr attr; + char *name; + int fd; + /* This must match the read_format we use */ + struct { + u64 value; + u64 running; + u64 enabled; + } result; + /* + * mmap buffer used while recording sample. + * Accessed as "struct perf_event_mmap_page" + */ + void *mmap_buffer; +}; + +void event_init(struct event *e, u64 config); +void event_init_named(struct event *e, u64 config, char *name); +void event_init_opts(struct event *e, u64 config, int type, char *name); +void event_init_sampling(struct event *e, u64 config); +int event_open_with_options(struct event *e, pid_t pid, int cpu, int group_fd); +int event_open_with_group(struct event *e, int group_fd); +int event_open_with_pid(struct event *e, pid_t pid); +int event_open_with_cpu(struct event *e, int cpu); +int event_open(struct event *e); +void event_close(struct event *e); +int event_enable(struct event *e); +int event_disable(struct event *e); +int event_reset(struct event *e); +int event_read(struct event *e); +void event_report_justified(struct event *e, int name_width, int result_width); +void event_report(struct event *e); + +#endif /* _SELFTESTS_POWERPC_PMU_EVENT_H */ |