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AKwUvBx5c4LIk5VgPwLtFjiQ4l3aPcDvUJt2uMx9xeF867QCM0WMJv0Tvjz2+1ZlyehT6F4JysR1DSvOef4UUeyi+m17@vger.kernel.org X-Gm-Message-State: AFq9FYJhNpRIoZIaiRWMv+zqRfG4yPMG+2GfNB8D1sOT2aWCE5YmNbBt NTATjSLAYR3WEBflK+KDI+iIFaTmGYusVNPqPE+V3qrWh2mkqZj3NDND9bmHlQvgIsPNxaxtGv0 4sXu/jAz+ew== X-Received: from dlbou3.prod.google.com ([2002:a05:7022:1103:b0:19b:4a9b:8cc1]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:e803:b0:16e:4723:5f86 with SMTP id a92af1059eb24-19936a60764mr8643547c88.29.1792965312166; Sun, 25 Oct 2026 14:55:12 -0700 (PDT) Date: Sun, 25 Oct 2026 14:55:07 -0700 X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 X-Mailer: git-send-email 2.56.0.307.g5fe7bd680c-goog Message-ID: <20261025215508.1237480-1-irogers@google.com> Subject: [PATCH v1 1/2] perf/core: Include attr.defer_output in is_sb_event() From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Events configured with attr.defer_output = 1 receive deferred callchain sideband records (PERF_RECORD_CALLCHAIN_DEFERRED) via perf_iterate_sb(). Include attr->defer_output in is_sb_event() so that such events are attached to the sideband event list even when no other sideband flags (such as mmap or comm) are enabled on the event. Fixes: c69993ecdd4d ("perf: Support deferred user unwind") Signed-off-by: Ian Rogers --- kernel/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index c4217c996f5a..b43883a42566 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5347,7 +5347,7 @@ static bool is_sb_event(struct perf_event *event) attr->comm || attr->comm_exec || attr->task || attr->ksymbol || attr->context_switch || attr->text_poke || - attr->bpf_event) + attr->bpf_event || attr->defer_output) return true; return false; -- 2.56.0.307.g5fe7bd680c-goog