diff options
Diffstat (limited to 'tools/perf/util/cs-etm.c')
| -rw-r--r-- | tools/perf/util/cs-etm.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 5322dcaaf654..a74c53a45839 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -78,6 +78,7 @@ struct cs_etm_queue { struct cs_etm_packet *packet; const unsigned char *buf; size_t buf_len, buf_used; + struct cs_etm_packet_queue packet_queue; }; static int cs_etm__update_queues(struct cs_etm_auxtrace *etm); @@ -125,6 +126,36 @@ int cs_etm__get_cpu(u8 trace_chan_id, int *cpu) return 0; } +static void cs_etm__clear_packet_queue(struct cs_etm_packet_queue *queue) +{ + int i; + + queue->head = 0; + queue->tail = 0; + queue->packet_count = 0; + for (i = 0; i < CS_ETM_PACKET_MAX_BUFFER; i++) { + queue->packet_buffer[i].isa = CS_ETM_ISA_UNKNOWN; + queue->packet_buffer[i].start_addr = CS_ETM_INVAL_ADDR; + queue->packet_buffer[i].end_addr = CS_ETM_INVAL_ADDR; + queue->packet_buffer[i].instr_count = 0; + queue->packet_buffer[i].last_instr_taken_branch = false; + queue->packet_buffer[i].last_instr_size = 0; + queue->packet_buffer[i].last_instr_type = 0; + queue->packet_buffer[i].last_instr_subtype = 0; + queue->packet_buffer[i].last_instr_cond = 0; + queue->packet_buffer[i].flags = 0; + queue->packet_buffer[i].exception_number = UINT32_MAX; + queue->packet_buffer[i].trace_chan_id = UINT8_MAX; + queue->packet_buffer[i].cpu = INT_MIN; + } +} + +struct cs_etm_packet_queue +*cs_etm__etmq_get_packet_queue(struct cs_etm_queue *etmq) +{ + return &etmq->packet_queue; +} + static void cs_etm__packet_dump(const char *pkt_string) { const char *color = PERF_COLOR_BLUE; @@ -513,6 +544,7 @@ static int cs_etm__setup_queue(struct cs_etm_auxtrace *etm, etmq->pid = -1; etmq->offset = 0; etmq->period_instructions = 0; + cs_etm__clear_packet_queue(&etmq->packet_queue); out: return ret; @@ -1542,10 +1574,13 @@ out: static int cs_etm__process_decoder_queue(struct cs_etm_queue *etmq) { int ret; + struct cs_etm_packet_queue *packet_queue; + + packet_queue = cs_etm__etmq_get_packet_queue(etmq); /* Process each packet in this chunk */ while (1) { - ret = cs_etm_decoder__get_packet(etmq->decoder, + ret = cs_etm_decoder__get_packet(packet_queue, etmq->packet); if (ret <= 0) /* |