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Wed, 01 Apr 2026 07:26:24 -0700 (PDT) From: James Clark Date: Wed, 01 Apr 2026 15:25:52 +0100 Subject: [PATCH 4/4] perf arm_spe: Print remaining IMPDEF event numbers Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260401-james-spe-impdef-decode-v1-4-ad0d372c220c@linaro.org> References: <20260401-james-spe-impdef-decode-v1-0-ad0d372c220c@linaro.org> In-Reply-To: <20260401-james-spe-impdef-decode-v1-0-ad0d372c220c@linaro.org> To: John Garry , Will Deacon , Mike Leach , Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Al Grant Cc: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, James Clark X-Mailer: b4 0.14.0 Any IMPDEF events not printed out from a known core's IMPDEF list or for a completely unknown core will still not be shown to the user. Fix this by printing the remaining bits as comma separated raw numbers, e.g. "IMPDEF:1,2,3,4". Suggested-by: Al Grant Signed-off-by: James Clark --- tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c | 18 +++++++++++++++= +++ 1 file changed, 18 insertions(+) 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 42a7501d4dfe..b93712ce0aca 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 @@ -364,6 +364,24 @@ static int arm_spe_pkt_desc_event(const struct arm_spe= _pkt *packet, payload); } =20 + /* + * Print remaining IMPDEF bits that weren't printed above as raw + * "IMPDEF:1,2,3,4" etc. + */ + if (payload) { + arm_spe_pkt_out_string(&err, &buf, &buf_len, " IMPDEF:", + payload); + for (int i =3D 0; i < 64; i++) { + const char *sep =3D payload & (payload - 1) ? "," : ""; + + if (payload & BIT(i)) { + arm_spe_pkt_out_string(&err, &buf, &buf_len, + "%d%s", i, sep); + payload &=3D ~BIT(i); + } + } + } + return err; } =20 --=20 2.34.1