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Tue, 07 Apr 2026 07:06:00 -0700 (PDT) From: James Clark Date: Tue, 07 Apr 2026 15:05:20 +0100 Subject: [PATCH v2 6/6] 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: 7bit Message-Id: <20260407-james-spe-impdef-decode-v2-6-55d3ef997c48@linaro.org> References: <20260407-james-spe-impdef-decode-v2-0-55d3ef997c48@linaro.org> In-Reply-To: <20260407-james-spe-impdef-decode-v2-0-55d3ef997c48@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 b74f887a48f2..c65b22a2179c 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 @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -365,6 +366,23 @@ static int arm_spe_pkt_desc_event(const struct arm_spe_pkt *packet, payload); } + /* + * Print remaining IMPDEF bits that weren't printed above as raw + * "IMPDEF:1,2,3,4" etc. + */ + if (payload) { + int i; + + arm_spe_pkt_out_string(&err, &buf, &buf_len, " IMPDEF:"); + for_each_set_bit(i, &payload, 64) { + const char *sep = payload & (payload - 1) ? "," : ""; + + arm_spe_pkt_out_string(&err, &buf, &buf_len, "%d%s", i, + sep); + payload &= ~BIT_ULL(i); + } + } + return err; } -- 2.34.1