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| author | Andre Przywara <andre.przywara@arm.com> | 2020-11-19 18:24:40 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-26 15:31:46 +0300 |
| commit | 3601e605501df289db149785e1e6a8d16e557d31 (patch) | |
| tree | dd4719f510e97e8e9722a4ae02b28ad2d521ead8 /tools | |
| parent | 3d829724b16c5d2de42e6c9601c696c93a10bc61 (diff) | |
| download | linux-3601e605501df289db149785e1e6a8d16e557d31.tar.xz | |
perf arm_spe: Decode memory tagging properties
When SPE records a physical address, it can additionally tag the event
with information from the Memory Tagging architecture extension.
Decode the two additional fields in the SPE event payload.
[leoy: Refined patch to use predefined macros]
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Dave Martin <Dave.Martin@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: 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/20201119152441.6972-16-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c | 6 | ||||
| -rw-r--r-- | tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c index 84d661aab54f..57c01ce27915 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c @@ -385,6 +385,7 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet, char *buf, size_t buf_len) { int ns, el, idx = packet->index; + int ch, pat; u64 payload = packet->payload; int err = 0; @@ -404,9 +405,12 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet, break; case SPE_ADDR_PKT_HDR_INDEX_DATA_PHYS: ns = !!SPE_ADDR_PKT_GET_NS(payload); + ch = !!SPE_ADDR_PKT_GET_CH(payload); + pat = SPE_ADDR_PKT_GET_PAT(payload); payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload); arm_spe_pkt_out_string(&err, &buf, &buf_len, - "PA 0x%llx ns=%d", payload, ns); + "PA 0x%llx ns=%d ch=%d pat=%x", + payload, ns, ch, pat); break; default: /* Unknown index */ diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h index 7032fc141ad4..1ad14885c2a1 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h @@ -73,6 +73,8 @@ struct arm_spe_pkt { #define SPE_ADDR_PKT_GET_NS(v) (((v) & BIT_ULL(63)) >> 63) #define SPE_ADDR_PKT_GET_EL(v) (((v) & GENMASK_ULL(62, 61)) >> 61) +#define SPE_ADDR_PKT_GET_CH(v) (((v) & BIT_ULL(62)) >> 62) +#define SPE_ADDR_PKT_GET_PAT(v) (((v) & GENMASK_ULL(59, 56)) >> 56) #define SPE_ADDR_PKT_EL0 0 #define SPE_ADDR_PKT_EL1 1 |