This patch adds a function to the decoder interface code to initialize the content of the packet buffer and set it to empty.
Signed-off-by: Tor Jeremiassen tor@ti.com --- tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c index e93135e1..e79d597 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c @@ -119,6 +119,23 @@ int cs_etm_decoder__get_packet(struct cs_etm_decoder *decoder, return 0; }
+static void cs_etm_decoder__clear_buffer(struct cs_etm_decoder *decoder) +{ + int i; + + decoder->head = 0; + decoder->tail = 0; + decoder->end_tail = 0; + decoder->packet_count = 0; + for (i = 0; i < MAX_BUFFER; i++) { + decoder->packet_buffer[i].start_addr = 0xdeadbeefdeadbeefUL; + decoder->packet_buffer[i].end_addr = 0xdeadbeefdeadbeefUL; + decoder->packet_buffer[i].exc = false; + decoder->packet_buffer[i].exc_ret = false; + decoder->packet_buffer[i].cpu = INT_MIN; + } +} + const struct cs_etm_state * cs_etm_decoder__process_data_block(struct cs_etm_decoder *decoder, uint64_t indx, const uint8_t *buf, @@ -336,6 +353,7 @@ cs_etm_decoder__new(uint32_t num_cpu, struct cs_etm_decoder_params *d_params,
decoder->state.data = d_params->data; decoder->prev_return = OCSD_RESP_CONT; + cs_etm_decoder__clear_buffer(decoder); format = (d_params->formatted ? OCSD_TRC_SRC_FRAME_FORMATTED : OCSD_TRC_SRC_SINGLE); flags = 0;