PMSEVFR_EL1 Sampling Event Filter Register when FEAT_SPE is implemented Controls sample filtering by events. The overall filter is the logical AND of these filters. For example, if PMSEVFR_EL1.E[3] and PMSEVFR_EL1.E[5] are both set to 1, only samples that have both event 3 (Level 1 unified or data cache refill) and event 5 (TLB walk) set to 1 are recorded. SPE PMSEVFR_EL1 is a 64-bit register. E[63] 63 63 0 Filter on IMPLEMENTATION DEFINED event 63. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[63] is 1, and PMSNEVFR_EL1.E[63] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 63 is ignored. 0b1 Do not record samples that have event 63 == 0. AU When event 63 is implemented and filtering on event 63 is supported 63 63 63 Reserved, RAZ/WI. Otherwise E[62] 62 62 0 Filter on IMPLEMENTATION DEFINED event 62. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[62] is 1, and PMSNEVFR_EL1.E[62] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 62 is ignored. 0b1 Do not record samples that have event 62 == 0. AU When event 62 is implemented and filtering on event 62 is supported 62 62 62 Reserved, RAZ/WI. Otherwise E[61] 61 61 0 Filter on IMPLEMENTATION DEFINED event 61. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[61] is 1, and PMSNEVFR_EL1.E[61] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 61 is ignored. 0b1 Do not record samples that have event 61 == 0. AU When event 61 is implemented and filtering on event 61 is supported 61 61 61 Reserved, RAZ/WI. Otherwise E[60] 60 60 0 Filter on IMPLEMENTATION DEFINED event 60. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[60] is 1, and PMSNEVFR_EL1.E[60] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 60 is ignored. 0b1 Do not record samples that have event 60 == 0. AU When event 60 is implemented and filtering on event 60 is supported 60 60 60 Reserved, RAZ/WI. Otherwise E[59] 59 59 0 Filter on IMPLEMENTATION DEFINED event 59. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[59] is 1, and PMSNEVFR_EL1.E[59] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 59 is ignored. 0b1 Do not record samples that have event 59 == 0. AU When event 59 is implemented and filtering on event 59 is supported 59 59 59 Reserved, RAZ/WI. Otherwise E[58] 58 58 0 Filter on IMPLEMENTATION DEFINED event 58. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[58] is 1, and PMSNEVFR_EL1.E[58] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 58 is ignored. 0b1 Do not record samples that have event 58 == 0. AU When event 58 is implemented and filtering on event 58 is supported 58 58 58 Reserved, RAZ/WI. Otherwise E[57] 57 57 0 Filter on IMPLEMENTATION DEFINED event 57. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[57] is 1, and PMSNEVFR_EL1.E[57] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 57 is ignored. 0b1 Do not record samples that have event 57 == 0. AU When event 57 is implemented and filtering on event 57 is supported 57 57 57 Reserved, RAZ/WI. Otherwise E[56] 56 56 0 Filter on IMPLEMENTATION DEFINED event 56. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[56] is 1, and PMSNEVFR_EL1.E[56] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 56 is ignored. 0b1 Do not record samples that have event 56 == 0. AU When event 56 is implemented and filtering on event 56 is supported 56 56 56 Reserved, RAZ/WI. Otherwise E[55] 55 55 0 Filter on IMPLEMENTATION DEFINED event 55. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[55] is 1, and PMSNEVFR_EL1.E[55] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 55 is ignored. 0b1 Do not record samples that have event 55 == 0. AU When event 55 is implemented and filtering on event 55 is supported 55 55 55 Reserved, RAZ/WI. Otherwise E[54] 54 54 0 Filter on IMPLEMENTATION DEFINED event 54. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[54] is 1, and PMSNEVFR_EL1.E[54] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 54 is ignored. 0b1 Do not record samples that have event 54 == 0. AU When event 54 is implemented and filtering on event 54 is supported 54 54 54 Reserved, RAZ/WI. Otherwise E[53] 53 53 0 Filter on IMPLEMENTATION DEFINED event 53. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[53] is 1, and PMSNEVFR_EL1.E[53] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 53 is ignored. 0b1 Do not record samples that have event 53 == 0. AU When event 53 is implemented and filtering on event 53 is supported 53 53 53 Reserved, RAZ/WI. Otherwise E[52] 52 52 0 Filter on IMPLEMENTATION DEFINED event 52. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[52] is 1, and PMSNEVFR_EL1.E[52] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 52 is ignored. 0b1 Do not record samples that have event 52 == 0. AU When event 52 is implemented and filtering on event 52 is supported 52 52 52 Reserved, RAZ/WI. Otherwise E[51] 51 51 0 Filter on IMPLEMENTATION DEFINED event 51. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[51] is 1, and PMSNEVFR_EL1.E[51] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 51 is ignored. 0b1 Do not record samples that have event 51 == 0. AU When event 51 is implemented and filtering on event 51 is supported 51 51 51 Reserved, RAZ/WI. Otherwise E[50] 50 50 0 Filter on IMPLEMENTATION DEFINED event 50. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[50] is 1, and PMSNEVFR_EL1.E[50] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 50 is ignored. 0b1 Do not record samples that have event 50 == 0. AU When event 50 is implemented and filtering on event 50 is supported 50 50 50 Reserved, RAZ/WI. Otherwise E[49] 49 49 0 Filter on IMPLEMENTATION DEFINED event 49. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[49] is 1, and PMSNEVFR_EL1.E[49] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 49 is ignored. 0b1 Do not record samples that have event 49 == 0. AU When event 49 is implemented and filtering on event 49 is supported 49 49 49 Reserved, RAZ/WI. Otherwise E[48] 48 48 0 Filter on IMPLEMENTATION DEFINED event 48. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[48] is 1, and PMSNEVFR_EL1.E[48] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 48 is ignored. 0b1 Do not record samples that have event 48 == 0. AU When event 48 is implemented and filtering on event 48 is supported 48 48 48 Reserved, RAZ/WI. Otherwise 47 32 47:32 Reserved, RAZ/WI. E[31] 31 31 0 Filter on IMPLEMENTATION DEFINED event 31. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[31] is 1, and PMSNEVFR_EL1.E[31] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 31 is ignored. 0b1 Do not record samples that have event 31 == 0. AU When FEAT_SPEv1p4 is not implemented, event 31 is implemented, and filtering on event 31 is supported 31 31 31 Reserved, RAZ/WI. Otherwise E[30] 30 30 0 Filter on IMPLEMENTATION DEFINED event 30. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[30] is 1, and PMSNEVFR_EL1.E[30] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 30 is ignored. 0b1 Do not record samples that have event 30 == 0. AU When FEAT_SPEv1p4 is not implemented, event 30 is implemented, and filtering on event 30 is supported 30 30 30 Reserved, RAZ/WI. Otherwise E[29] 29 29 0 Filter on IMPLEMENTATION DEFINED event 29. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[29] is 1, and PMSNEVFR_EL1.E[29] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 29 is ignored. 0b1 Do not record samples that have event 29 == 0. AU When FEAT_SPEv1p4 is not implemented, event 29 is implemented, and filtering on event 29 is supported 29 29 29 Reserved, RAZ/WI. Otherwise E[28] 28 28 0 Filter on IMPLEMENTATION DEFINED event 28. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[28] is 1, and PMSNEVFR_EL1.E[28] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 28 is ignored. 0b1 Do not record samples that have event 28 == 0. AU When FEAT_SPEv1p4 is not implemented, event 28 is implemented, and filtering on event 28 is supported 28 28 28 Reserved, RAZ/WI. Otherwise E[27] 27 27 0 Filter on IMPLEMENTATION DEFINED event 27. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[27] is 1, and PMSNEVFR_EL1.E[27] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 27 is ignored. 0b1 Do not record samples that have event 27 == 0. AU When FEAT_SPEv1p4 is not implemented, event 27 is implemented, and filtering on event 27 is supported 27 27 27 Reserved, RAZ/WI. Otherwise E[26] 26 26 0 Filter on IMPLEMENTATION DEFINED event 26. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[26] is 1, and PMSNEVFR_EL1.E[26] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 26 is ignored. 0b1 Do not record samples that have event 26 == 0. AU When FEAT_SPEv1p4 is not implemented, event 26 is implemented, and filtering on event 26 is supported 26 26 26 Reserved, RAZ/WI. Otherwise E[25] 25 25 0 Filter on SMCU or other shared resource operation event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[25] is 1, and PMSNEVFR_EL1.E[25] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 SMCU or other shared resource operation event is ignored. 0b1 Do not record samples that have the SMCU or other shared resource operation event == 0. AU When (FEAT_SPE_SME is implemented or FEAT_SPEv1p5 is implemented) and event 25 is implemented E[25] 25 25 0 Filter on IMPLEMENTATION DEFINED event 25. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[25] is 1, and PMSNEVFR_EL1.E[25] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 25 is ignored. 0b1 Do not record samples that have event 25 == 0. AU When FEAT_SPEv1p4 is not implemented, event 25 is implemented, and filtering on event 25 is supported 25 25 25 Reserved, RAZ/WI. Otherwise E[24] 24 24 0 Filter on Streaming SVE mode event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[24] is 1, and PMSNEVFR_EL1.E[24] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Streaming SVE mode event is ignored. 0b1 Do not record samples that have the Streaming SVE mode event == 0. AU When FEAT_SPE_SME is implemented E[24] 24 24 0 Filter on IMPLEMENTATION DEFINED event 24. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[24] is 1, and PMSNEVFR_EL1.E[24] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 24 is ignored. 0b1 Do not record samples that have event 24 == 0. AU When FEAT_SPEv1p4 is not implemented, event 24 is implemented, and filtering on event 24 is supported 24 24 24 Reserved, RAZ/WI. Otherwise E[23] 23 23 0 Filter on Data snooped event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[23] is 1, and PMSNEVFR_EL1.E[23] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Data snooped event is ignored. 0b1 Do not record samples that have the Data snooped event == 0. AU When FEAT_SPEv1p4 is implemented and event 23 is implemented 23 23 23 Reserved, RAZ/WI. Otherwise E[22] 22 22 0 Filter on Recently fetched event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[22] is 1, and PMSNEVFR_EL1.E[22] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Recently fetched event is ignored. 0b1 Do not record samples that have the Recently fetched event == 0. AU When FEAT_SPEv1p4 is implemented and event 22 is implemented 22 22 22 Reserved, RAZ/WI. Otherwise E[21] 21 21 0 Filter on Cache data modified event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[21] is 1, and PMSNEVFR_EL1.E[21] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Cache data modified event is ignored. 0b1 Do not record samples that have the Cache data modified event == 0. AU When FEAT_SPEv1p4 is implemented and event 21 is implemented 21 21 21 Reserved, RAZ/WI. Otherwise E[20] 20 20 0 Filter on Level 2 data cache miss event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[20] is 1, and PMSNEVFR_EL1.E[20] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Level 2 data cache miss event is ignored. 0b1 Do not record samples that have the Level 2 data cache miss event == 0. AU When FEAT_SPEv1p4 is implemented and event 20 is implemented 20 20 20 Reserved, RAZ/WI. Otherwise E[19] 19 19 0 Filter on Level 2 data cache access event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[19] is 1, and PMSNEVFR_EL1.E[19] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Level 2 data cache access event is ignored. 0b1 Do not record samples that have the Level 2 data cache access event == 0. AU When FEAT_SPEv1p4 is implemented and event 19 is implemented 19 19 19 Reserved, RAZ/WI. Otherwise E[18] 18 18 0 Filter on Empty predicate event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[18] is 1, and PMSNEVFR_EL1.E[18] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Empty predicate event is ignored. 0b1 Do not record samples that have the Empty predicate event == 0. AU When FEAT_SPEv1p1 is implemented and (FEAT_SVE is implemented or FEAT_SME is implemented) 18 18 18 Reserved, RAZ/WI. Otherwise E[17] 17 17 0 Filter on Partial or empty predicate event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[17] is 1, and PMSNEVFR_EL1.E[17] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Partial or empty predicate event is ignored. 0b1 Do not record samples that have the Partial or empty predicate event == 0. AU When FEAT_SPEv1p1 is implemented and (FEAT_SVE is implemented or FEAT_SME is implemented) 17 17 17 Reserved, RAZ/WI. Otherwise 16 16 16 Reserved, RAZ/WI. E[15] 15 15 0 Filter on IMPLEMENTATION DEFINED event 15. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[15] is 1, and PMSNEVFR_EL1.E[15] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 15 is ignored. 0b1 Do not record samples that have event 15 == 0. AU When event 15 is implemented and filtering on event 15 is supported 15 15 15 Reserved, RAZ/WI. Otherwise E[14] 14 14 0 Filter on IMPLEMENTATION DEFINED event 14. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[14] is 1, and PMSNEVFR_EL1.E[14] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 14 is ignored. 0b1 Do not record samples that have event 14 == 0. AU When event 14 is implemented and filtering on event 14 is supported 14 14 14 Reserved, RAZ/WI. Otherwise E[13] 13 13 0 Filter on IMPLEMENTATION DEFINED event 13. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[13] is 1, and PMSNEVFR_EL1.E[13] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 13 is ignored. 0b1 Do not record samples that have event 13 == 0. AU When event 13 is implemented and filtering on event 13 is supported 13 13 13 Reserved, RAZ/WI. Otherwise E[12] 12 12 0 Filter on IMPLEMENTATION DEFINED event 12. An IMPLEMENTATION DEFINED event might be recorded as a multi-bit field. In this case, the corresponding bits of PMSEVFR_EL1 define an IMPLEMENTATION DEFINED filter for the event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[12] is 1, and PMSNEVFR_EL1.E[12] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0 0b0 Event 12 is ignored. 0b1 Do not record samples that have event 12 == 0. AU When event 12 is implemented and filtering on event 12 is supported 12 12 12 Reserved, RAZ/WI. Otherwise E[11] 11 11 0 Filter on Misalignment event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[11] is 1, and PMSNEVFR_EL1.E[11] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Misalignment event is ignored. 0b1 Do not record samples that have the Misalignment event == 0. AU When FEAT_SPEv1p1 is implemented 11 11 11 Reserved, RAZ/WI. Otherwise E[10] 10 10 0 Filter on Remote access event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[10] is 1, and PMSNEVFR_EL1.E[10] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Remote access event is ignored. 0b1 Do not record samples that have the Remote access event == 0. AU When (FEAT_SPEv1p4 is implemented or filtering on event 10 is optionally supported) and event 10 is implemented 10 10 10 Reserved, RAZ/WI. Otherwise E[9] 9 9 0 Filter on Last Level cache miss event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[9] is 1, and PMSNEVFR_EL1.E[9] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Last Level cache miss event is ignored. 0b1 Do not record samples that have the Last Level cache miss event == 0. AU When (FEAT_SPEv1p4 is implemented or filtering on event 9 is optionally supported) and event 9 is implemented 9 9 9 Reserved, RAZ/WI. Otherwise E[8] 8 8 0 Filter on Last Level cache access event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[8] is 1, and PMSNEVFR_EL1.E[8] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Last Level cache access event is ignored. 0b1 Do not record samples that have the Last Level cache access event == 0. AU When (FEAT_SPEv1p4 is implemented or filtering on event 8 is optionally supported) and event 8 is implemented 8 8 8 Reserved, RAZ/WI. Otherwise E[7] 7 7 7 Filter on Mispredicted event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[7] is 1, and PMSNEVFR_EL1.E[7] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Mispredicted event is ignored. 0b1 Do not record samples that have the Mispredicted event == 0. AU E[6] 6 6 0 Filter on Not taken event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[6] is 1, and PMSNEVFR_EL1.E[6] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Not taken event is ignored. 0b1 Do not record samples that have the Not taken event == 0. AU When FEAT_SPE_FnE is implemented 6 6 6 Reserved, RAZ/WI. Otherwise E[5] 5 5 5 Filter on TLB walk event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[5] is 1, and PMSNEVFR_EL1.E[5] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 TLB walk event is ignored. 0b1 Do not record samples that have the TLB walk event == 0. AU E[4] 4 4 0 Filter on TLB access event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[4] is 1, and PMSNEVFR_EL1.E[4] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 TLB access event is ignored. 0b1 Do not record samples that have the TLB access event == 0. AU When FEAT_SPEv1p4 is implemented or filtering on event 4 is optionally supported 4 4 4 Reserved, RAZ/WI. Otherwise E[3] 3 3 3 Filter on Level 1 data cache refill or miss event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[3] is 1, and PMSNEVFR_EL1.E[3] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Level 1 data cache refill or miss event is ignored. 0b1 Do not record samples that have the Level 1 data cache refill or miss event == 0. AU E[2] 2 2 0 Filter on Level 1 data cache access event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[2] is 1, and PMSNEVFR_EL1.E[2] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. 0b0 Level 1 data cache access event is ignored. 0b1 Do not record samples that have the Level 1 data cache access event == 0. AU When FEAT_SPEv1p4 is implemented or filtering on event 2 is optionally supported 2 2 2 Reserved, RAZ/WI. Otherwise E[1] 1 1 0 Filter on Architecturally retired event. If FEAT_SPE_FnE is implemented, PMSFCR_EL1.FnE is 1, PMSFCR_EL1.FE is 1, PMSEVFR_EL1.E[1] is 1, and PMSNEVFR_EL1.E[1] is 1, then, for each sampled operation, it is CONSTRAINED UNPREDICTABLE whether the sample is discarded, and it is CONSTRAINED UNPREDICTABLE whether the SAMPLE_FEED_EVENT PMU event is generated. This field is ignored by the PE when PMSFCR_EL1.FE is 0. If the PE does not support the sampling of speculative instructions, or always discards the sample record for speculative instructions, this bit reads as an UNKNOWN value and the PE ignores its value. 0b0 Architecturally retired event is ignored. 0b1 Do not record samples that have the Architecturally retired event == 0. AU When the PE supports sampling of speculative instructions 1 1 1 Reserved, UNKNOWN. Otherwise 0 0 0 Reserved, RAZ/WI. MRS <Xt>, PMSEVFR_EL1 if !IsFeatureImplemented(FEAT_SPE) then Undefined(); elsif PSTATE.EL == EL0 then Undefined(); elsif PSTATE.EL == EL1 then if HaveEL(EL3) && EL3SDDUndefPriority() && CheckMDCR_EL3_NSPBTrap() then Undefined(); elsif EL2Enabled() && IsFeatureImplemented(FEAT_FGT) && (!HaveEL(EL3) || SCR_EL3().FGTEn == '1') && HDFGRTR_EL2().PMSEVFR_EL1 == '1' then AArch64_SystemAccessTrap(EL2, 0x18); elsif EL2Enabled() && MDCR_EL2().TPMS == '1' then AArch64_SystemAccessTrap(EL2, 0x18); elsif HaveEL(EL3) && CheckMDCR_EL3_NSPBTrap() then if EL3SDDUndef() then Undefined(); else AArch64_SystemAccessTrap(EL3, 0x18); end; elsif EffectiveHCR_EL2_NVx() IN {'1x1'} then X{64}(t) = NVMem(0x830); else X{64}(t) = PMSEVFR_EL1(); end; elsif PSTATE.EL == EL2 then if HaveEL(EL3) && EL3SDDUndefPriority() && CheckMDCR_EL3_NSPBTrap() then Undefined(); elsif HaveEL(EL3) && CheckMDCR_EL3_NSPBTrap() then if EL3SDDUndef() then Undefined(); else AArch64_SystemAccessTrap(EL3, 0x18); end; else X{64}(t) = PMSEVFR_EL1(); end; elsif PSTATE.EL == EL3 then X{64}(t) = PMSEVFR_EL1(); end; MSR PMSEVFR_EL1, <Xt> if !IsFeatureImplemented(FEAT_SPE) then Undefined(); elsif PSTATE.EL == EL0 then Undefined(); elsif PSTATE.EL == EL1 then if HaveEL(EL3) && EL3SDDUndefPriority() && CheckMDCR_EL3_NSPBTrap() then Undefined(); elsif EL2Enabled() && IsFeatureImplemented(FEAT_FGT) && (!HaveEL(EL3) || SCR_EL3().FGTEn == '1') && HDFGWTR_EL2().PMSEVFR_EL1 == '1' then AArch64_SystemAccessTrap(EL2, 0x18); elsif EL2Enabled() && MDCR_EL2().TPMS == '1' then AArch64_SystemAccessTrap(EL2, 0x18); elsif HaveEL(EL3) && CheckMDCR_EL3_NSPBTrap() then if EL3SDDUndef() then Undefined(); else AArch64_SystemAccessTrap(EL3, 0x18); end; elsif EffectiveHCR_EL2_NVx() IN {'1x1'} then NVMem(0x830) = X{64}(t); else PMSEVFR_EL1() = X{64}(t); end; elsif PSTATE.EL == EL2 then if HaveEL(EL3) && EL3SDDUndefPriority() && CheckMDCR_EL3_NSPBTrap() then Undefined(); elsif HaveEL(EL3) && CheckMDCR_EL3_NSPBTrap() then if EL3SDDUndef() then Undefined(); else AArch64_SystemAccessTrap(EL3, 0x18); end; else PMSEVFR_EL1() = X{64}(t); end; elsif PSTATE.EL == EL3 then PMSEVFR_EL1() = X{64}(t); end; 2026-03-26 20:27:25 2026-03_rel