Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6abf0f45 authored by Leo Yan's avatar Leo Yan Committed by Arnaldo Carvalho de Melo
Browse files

perf cs-etm: Introduce invalid address macro 



This patch introduces invalid address macro and uses it to replace dummy
value '0xdeadbeefdeadbeefUL'.

Signed-off-by: default avatarLeo Yan <leo.yan@linaro.org>
Reviewed-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Walker <robert.walker@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1529298599-3876-2-git-send-email-leo.yan@linaro.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e9de7e2f

tools/perf/util/cs-etm-decoder/cs-etm-decoder.c

+6 −4
Original line number Diff line number Diff line
@@ -31,6 +31,8 @@ 
#endif

#endif



#define CS_ETM_INVAL_ADDR	0xdeadbeefdeadbeefUL



struct cs_etm_decoder {

	void *data;

	void (*packet_printer)(const char *msg);
@@ -261,8 +263,8 @@ static void cs_etm_decoder__clear_buffer(struct cs_etm_decoder *decoder) 
	decoder->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].start_addr = CS_ETM_INVAL_ADDR;

		decoder->packet_buffer[i].end_addr = CS_ETM_INVAL_ADDR;

		decoder->packet_buffer[i].last_instr_taken_branch = false;

		decoder->packet_buffer[i].exc = false;

		decoder->packet_buffer[i].exc_ret = false;
@@ -295,8 +297,8 @@ cs_etm_decoder__buffer_packet(struct cs_etm_decoder *decoder, 
	decoder->packet_buffer[et].exc = false;

	decoder->packet_buffer[et].exc_ret = false;

	decoder->packet_buffer[et].cpu = *((int *)inode->priv);

	decoder->packet_buffer[et].start_addr = 0xdeadbeefdeadbeefUL;

	decoder->packet_buffer[et].end_addr = 0xdeadbeefdeadbeefUL;

	decoder->packet_buffer[et].start_addr = CS_ETM_INVAL_ADDR;

	decoder->packet_buffer[et].end_addr = CS_ETM_INVAL_ADDR;



	if (decoder->packet_count == MAX_BUFFER - 1)

		return OCSD_RESP_WAIT;