Lines Matching full:perf

33  * @defgroup los_perf Perf
50  * Perf max sample filter task number.
56  * Perf max sample event counter's number.
62  * Perf max backtrace depth.
68  * Perf sample data buffer's water mark 1/N.
74  * Perf status.
77     PERF_UNINIT,   /* perf isn't inited */
78     PERF_STARTED,  /* perf is started */
79     PERF_STOPPED,  /* perf is stopped */
84  * Define the type of the perf sample data buffer water mark hook function.
91  * Define the type of the perf sample data buffer flush hook function.
98  * Perf error code: Bad status.
102  * Solution: Follow the perf state machine.
108  * Perf error code: Hardware pmu init failed.
118  * Perf error code: Hrtimer init failed for hrtimer timed pmu init.
128  * Perf error code: Software pmu init failed.
132  * Solution: Check the Perf software events init.
138  * Perf error code: Perf buffer init failed.
148  * Perf error code: Perf pmu type error.
158  * Perf error code: Perf pmu config error.
168  * Perf error code: Perf pmu config attr is NULL.
178  * Perf types
229  * perf sample data types
245  * perf configuration sub event information
255     } events[PERF_MAX_EVENT]; /* perf event list */
256     UINT32 eventsNr;          /* total perf event number */
263  * perf configuration main information
265 …* This structure is used to set perf sampling attributes, including events, tasks and other inform…
268     PerfEventConfig         eventsCfg;                      /* perf event config */
269     UINT32                  taskIds[PERF_MAX_FILTER_TSKS];  /* perf task filter list (allowlist) */
271 …                                                             if set 0 perf will sample all tasks */
272 …UINT32                  processIds[PERF_MAX_FILTER_TSKS];  /* perf process filter list (allowlist)…
274 …                                                         if set 0 perf will sample all processes */
281  * @brief Init perf.
285  * <li>Used to initialize the perf module, including initializing the PMU, allocating memory,
296  * @retval #LOS_ERRNO_PERF_STATUS_INVALID              Perf in a wrong status.
297  * @retval #LOS_ERRNO_PERF_HW_INIT_ERROR               Perf hardware pmu init fail.
298  * @retval #LOS_ERRNO_PERF_TIMED_INIT_ERROR            Perf timed pmu init fail.
299  * @retval #LOS_ERRNO_PERF_SW_INIT_ERROR               Perf software pmu init fail.
300  * @retval #LOS_ERRNO_PERF_BUF_ERROR                   Perf buffer init fail.
301  * @retval #LOS_OK                                     Perf init success.
311  * @brief Start perf sampling.
314  * Start perf sampling.
318 …* @param  sectionId          [IN] Set the section id for marking this piece of data in the perf sa…
329  * @brief Stop perf sampling.
332  * Stop perf sampling.
348  * @brief Config perf parameters.
351 …* Config perf parameters before sample, for example, sample event, sample task, etc. This interfac…
356  * @param  attr                      [IN] Address of a perf event attr struct.
358  * @retval #LOS_ERRNO_PERF_STATUS_INVALID          Perf in a wrong status.
360  * @retval #LOS_ERRNO_PERF_INVALID_PMU             Config perf pmu with error type.
361 …* @retval #LOS_ERRNO_PERF_PMU_CONFIG_ERROR        Config perf events fail with invalid event id or…
372  * @brief Read data from perf sample data buffer.
375 …* Because perf sample data buffer is a ringbuffer, the data may be covered after user read ringbuf…
391  * @brief Register perf sample data buffer water mark hook function.
395  * <li> Register perf sample data buffer water mark hook function.</li>
413  * @brief Register perf sample data buffer flush hook function.
417  * <li> Register perf sample data buffer flush hook function.</li>