diff options
Diffstat (limited to 'tools/perf/util/cs-etm.h')
| -rw-r--r-- | tools/perf/util/cs-etm.h | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/tools/perf/util/cs-etm.h b/tools/perf/util/cs-etm.h index 5da50d5dae6b..a8caeea720aa 100644 --- a/tools/perf/util/cs-etm.h +++ b/tools/perf/util/cs-etm.h @@ -12,6 +12,7 @@ #include <linux/bits.h> struct perf_session; +struct perf_pmu; /* * Versioning header in case things need to change in the future. That way @@ -29,13 +30,17 @@ enum { /* * Update the version for new format. * - * New version 1 format adds a param count to the per cpu metadata. + * Version 1: format adds a param count to the per cpu metadata. * This allows easy adding of new metadata parameters. * Requires that new params always added after current ones. * Also allows client reader to handle file versions that are different by * checking the number of params in the file vs the number expected. + * + * Version 2: Drivers will use PERF_RECORD_AUX_OUTPUT_HW_ID to output + * CoreSight Trace ID. ...TRACEIDR metadata will be set to legacy values + * but with addition flags. */ -#define CS_HEADER_CURRENT_VERSION 1 +#define CS_HEADER_CURRENT_VERSION 2 /* Beginning of header common to both ETMv3 and V4 */ enum { @@ -71,6 +76,7 @@ enum { CS_ETMV4_TRCIDR2, CS_ETMV4_TRCIDR8, CS_ETMV4_TRCAUTHSTATUS, + CS_ETMV4_TS_SOURCE, CS_ETMV4_PRIV_MAX, }; @@ -82,11 +88,27 @@ enum { * added in header V1 */ enum { - CS_ETE_TRCDEVARCH = CS_ETMV4_PRIV_MAX, + /* Dynamic, configurable parameters */ + CS_ETE_TRCCONFIGR = CS_ETM_COMMON_BLK_MAX_V1, + CS_ETE_TRCTRACEIDR, + /* RO, taken from sysFS */ + CS_ETE_TRCIDR0, + CS_ETE_TRCIDR1, + CS_ETE_TRCIDR2, + CS_ETE_TRCIDR8, + CS_ETE_TRCAUTHSTATUS, + CS_ETE_TRCDEVARCH, + CS_ETE_TS_SOURCE, CS_ETE_PRIV_MAX }; /* + * Check for valid CoreSight trace ID. If an invalid value is present in the metadata, + * then IDs are present in the hardware ID packet in the data file. + */ +#define CS_IS_VALID_TRACE_ID(id) ((id > 0) && (id < 0x70)) + +/* * ETMv3 exception encoding number: * See Embedded Trace Macrocell specification (ARM IHI 0014Q) * table 7-12 Encoding of Exception[3:0] for non-ARMv7-M processors. @@ -157,8 +179,8 @@ struct cs_etm_packet { u32 last_instr_subtype; u32 flags; u32 exception_number; - u8 last_instr_cond; - u8 last_instr_taken_branch; + bool last_instr_cond; + bool last_instr_taken_branch; u8 last_instr_size; u8 trace_chan_id; int cpu; @@ -181,7 +203,7 @@ struct cs_etm_packet_queue { u32 head; u32 tail; u32 instr_count; - u64 cs_timestamp; + u64 cs_timestamp; /* Timestamp from trace data, converted to ns if possible */ u64 next_cs_timestamp; struct cs_etm_packet packet_buffer[CS_ETM_PACKET_MAX_BUFFER]; }; @@ -205,14 +227,25 @@ struct cs_etm_packet_queue { #define INFO_HEADER_SIZE (sizeof(((struct perf_record_auxtrace_info *)0)->type) + \ sizeof(((struct perf_record_auxtrace_info *)0)->reserved__)) +/* CoreSight trace ID is currently the bottom 7 bits of the value */ +#define CORESIGHT_TRACE_ID_VAL_MASK GENMASK(6, 0) + int cs_etm__process_auxtrace_info(union perf_event *event, struct perf_session *session); +void cs_etm_get_default_config(const struct perf_pmu *pmu, struct perf_event_attr *attr); + +enum cs_etm_pid_fmt { + CS_ETM_PIDFMT_NONE, + CS_ETM_PIDFMT_CTXTID, + CS_ETM_PIDFMT_CTXTID2 +}; #ifdef HAVE_CSTRACE_SUPPORT -int cs_etm__get_cpu(u8 trace_chan_id, int *cpu); -int cs_etm__get_pid_fmt(u8 trace_chan_id, u64 *pid_fmt); -int cs_etm__etmq_set_tid(struct cs_etm_queue *etmq, - pid_t tid, u8 trace_chan_id); +#include <opencsd/ocsd_if_types.h> +int cs_etm__get_cpu(struct cs_etm_queue *etmq, u8 trace_chan_id, int *cpu); +enum cs_etm_pid_fmt cs_etm__get_pid_fmt(struct cs_etm_queue *etmq); +int cs_etm__etmq_set_tid_el(struct cs_etm_queue *etmq, pid_t tid, + u8 trace_chan_id, ocsd_ex_level el); bool cs_etm__etmq_is_timeless(struct cs_etm_queue *etmq); void cs_etm__etmq_set_traceid_queue_timestamp(struct cs_etm_queue *etmq, u8 trace_chan_id); @@ -220,6 +253,7 @@ struct cs_etm_packet_queue *cs_etm__etmq_get_packet_queue(struct cs_etm_queue *etmq, u8 trace_chan_id); int cs_etm__process_auxtrace_info_full(union perf_event *event __maybe_unused, struct perf_session *session __maybe_unused); +u64 cs_etm__convert_sample_time(struct cs_etm_queue *etmq, u64 cs_timestamp); #else static inline int cs_etm__process_auxtrace_info_full(union perf_event *event __maybe_unused, |