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perf intel-pt: Prefer get_unaligned_le64 to memcpy_le64

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Use get_unaligned_le64() instead of memcpy_le64(..., 8) because it produces
simpler code.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20231005190451.175568-6-adrian.hunter@intel.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Adrian Hunter 2023-10-05 22:04:51 +03:00 committed by Namhyung Kim
parent 3b4fa67fc6
commit 661ce78105
1 changed files with 3 additions and 3 deletions
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6
tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
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@ -190,7 +190,7 @@ static int intel_pt_get_mnt(const unsigned char *buf, size_t len,
if (len < 11)
return INTEL_PT_NEED_MORE_BYTES;
packet->type = INTEL_PT_MNT;
memcpy_le64(&packet->payload, buf + 3, 8);
packet->payload = get_unaligned_le64(buf + 3);
return 11;
}
@ -302,7 +302,7 @@ static int intel_pt_get_bip_8(const unsigned char *buf, size_t len,
return INTEL_PT_NEED_MORE_BYTES;
packet->type = INTEL_PT_BIP;
packet->count = buf[0] >> 3;
memcpy_le64(&packet->payload, buf + 1, 8);
packet->payload = get_unaligned_le64(buf + 1);
return 9;
}
@ -341,7 +341,7 @@ static int intel_pt_get_evd(const unsigned char *buf, size_t len,
packet->type = INTEL_PT_EVD;
packet->count = buf[2] & 0x3f;
packet->payload = buf[3];
memcpy_le64(&packet->payload, buf + 3, 8);
packet->payload = get_unaligned_le64(buf + 3);
return 11;
}