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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/util/data.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/data.h')
-rw-r--r-- | tools/perf/util/data.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h new file mode 100644 index 000000000..5b52ffedf --- /dev/null +++ b/tools/perf/util/data.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_DATA_H +#define __PERF_DATA_H + +#include <stdbool.h> +#include <linux/types.h> + +enum perf_data_mode { + PERF_DATA_MODE_WRITE, + PERF_DATA_MODE_READ, +}; + +enum perf_dir_version { + PERF_DIR_SINGLE_FILE = 0, + PERF_DIR_VERSION = 1, +}; + +struct perf_data_file { + char *path; + int fd; + unsigned long size; +}; + +struct perf_data { + const char *path; + struct perf_data_file file; + bool is_pipe; + bool is_dir; + bool force; + enum perf_data_mode mode; + + struct { + u64 version; + struct perf_data_file *files; + int nr; + } dir; +}; + +static inline bool perf_data__is_read(struct perf_data *data) +{ + return data->mode == PERF_DATA_MODE_READ; +} + +static inline bool perf_data__is_write(struct perf_data *data) +{ + return data->mode == PERF_DATA_MODE_WRITE; +} + +static inline int perf_data__is_pipe(struct perf_data *data) +{ + return data->is_pipe; +} + +static inline bool perf_data__is_dir(struct perf_data *data) +{ + return data->is_dir; +} + +static inline bool perf_data__is_single_file(struct perf_data *data) +{ + return data->dir.version == PERF_DIR_SINGLE_FILE; +} + +static inline int perf_data__fd(struct perf_data *data) +{ + return data->file.fd; +} + +int perf_data__open(struct perf_data *data); +void perf_data__close(struct perf_data *data); +ssize_t perf_data__write(struct perf_data *data, + void *buf, size_t size); +ssize_t perf_data_file__write(struct perf_data_file *file, + void *buf, size_t size); +/* + * If at_exit is set, only rename current perf.data to + * perf.data.<postfix>, continue write on original data. + * Set at_exit when flushing the last output. + * + * Return value is fd of new output. + */ +int perf_data__switch(struct perf_data *data, + const char *postfix, + size_t pos, bool at_exit, char **new_filepath); + +int perf_data__create_dir(struct perf_data *data, int nr); +int perf_data__open_dir(struct perf_data *data); +void perf_data__close_dir(struct perf_data *data); +int perf_data__update_dir(struct perf_data *data); +unsigned long perf_data__size(struct perf_data *data); +int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz); +char *perf_data__kallsyms_name(struct perf_data *data); +#endif /* __PERF_DATA_H */ |