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perf arm-spe: Refactor context packet handling 

Minor refactoring to use macro for index mask.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Al Grant <Al.Grant@arm.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wei Li <liwei391@huawei.com>
Link: https://lore.kernel.org/r/20201119152441.6972-7-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Leo Yan 2020-11-19 23:24:31 +08:00 committed by Arnaldo Carvalho de Melo
parent 5513ddaf10
commit 6550149e80
2 changed files with 4 additions and 1 deletions
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2
tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
View File

@ -136,7 +136,7 @@ static int arm_spe_get_context(const unsigned char *buf, size_t len,
struct arm_spe_pkt *packet)
{
packet->type = ARM_SPE_CONTEXT;
packet->index = buf[0] & 0x3;
packet->index = SPE_CTX_PKT_HDR_INDEX(buf[0]);
return arm_spe_get_payload(buf, len, 0, packet);
}

3
tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h
View File

@ -79,6 +79,9 @@ struct arm_spe_pkt {
#define SPE_ADDR_PKT_EL2 2
#define SPE_ADDR_PKT_EL3 3
/* Context packet header */
#define SPE_CTX_PKT_HDR_INDEX(h) ((h) & GENMASK_ULL(1, 0))
const char *arm_spe_pkt_name(enum arm_spe_pkt_type);
int arm_spe_get_packet(const unsigned char *buf, size_t len,