From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dl1-f73.google.com (mail-dl1-f73.google.com [74.125.82.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 652063D75C9 for ; Tue, 28 Apr 2026 07:19:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777360794; cv=none; b=T5FPHSG3GTwDmMzfOwCMiZbdN2QP6Usyj/cKUCMsXkguNRAV3mDmlM46cnacBmREG+lm2SS8bbQHIpRbv9wjuocjTnnd2a1V/OaoU88/PyGK7YINQtQPDEytimPsl90r7sZEEYZ75vGVMuYQsK2nxxYjJv0PQ7dIg8PNMOl8/34= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777360794; c=relaxed/simple; bh=Y03vtRttWB6MUdCpQ0RauPt1dtQAcFDAOZ2ITIcgvjU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=bhcgRNfRtYi/TbnFhsiJuzBx3BBkKwNgMpSfl/t2/akEvxCIBYkq20DIiFRe793KQWzQfNTT542ihJIIQdAR45jhifnePYcEIBUxlXduKb+im2P8frj0d6io5ZcPsWXRLO8fVklcSNqo9dwzh6fZCbrUDemo1I62M70IDxqXy0g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=B6uM7r7k; arc=none smtp.client-ip=74.125.82.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="B6uM7r7k" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-12c35f2c09dso14239564c88.0 for ; Tue, 28 Apr 2026 00:19:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1777360790; x=1777965590; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=tJuqBIsBHp8I+zU9u4yHTVu56TpbRMNDcYeLbhz4OBY=; b=B6uM7r7kcXFpsYG9A8rYKfXpkCH5E3935baQbKwwG1RhHvBzr3J+gnD1lfBhcaDruv PL2wevij1rd3gGjORu3NG2rFSg1+FeZW47oO8O5Ue7j00IEVGE1vEMFsROYTVuj2Bzza aOgp9skgYaa5LbptHVQrODj2IXKTyUZ65SwGiK5pf9VHwhOEH+BvcBhmfwL0YVQ9z5ka njKDO069mLjQ8zJSUg70u0tiCryxkKJhQrTKwT+TC3chI/YJDtkpbYkVZm6gT2KeWYkj gKuYrKAeYkUEwgRo1pu4xsDIebbVPSygHGSjXjrnT/JC9xCStTiVWHjKQkbwyU7KDyA9 KGwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777360790; x=1777965590; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=tJuqBIsBHp8I+zU9u4yHTVu56TpbRMNDcYeLbhz4OBY=; b=ZxdW/4+IA+kKKNDLCnKJq4BTx4mddag49gnFitWVquBqYmz/HoZtI+BqhcbwYDVl63 24m7Yio4Gi+KHsO+7ny9pTj8ElW1jGT9ebA9ayMKlqKeGOvWwU601rZRjzK3nfKlFC5y dmQTYgYCyWBQ/3jH4eq0wN6z5tDaeElXA4jhdlPtseKQ+EL2ehQJ+L1YWRnJuchc3c+q 6aOquhTdp0VpLpu9QlW32XqiQjoWqyLLy4dsLwUfI3V/wDioL+Zt63WWb6ILBZdiewsH /+qizyul7gN2/g+9VMboK5NDQ59e72FKYTmNMJkkvI26ATMOH28WU189jTgnEt7GFcFg bMyw== X-Forwarded-Encrypted: i=1; AFNElJ/KSMtxrPnW2rt9ZcDmVIsTl+qlg+M+FgrqFCHwAa9DOo0OlaKGfUf1pZNOKs2N/PbrAL+HmQ2OqOPHBqF82V85@vger.kernel.org X-Gm-Message-State: AOJu0YxWtJ4JEHtx5xkTRY5QqdjaeliIOxZEfGqt7mL44BcB3zC8nH9q aNvQwVwUkyFr4UlfDnXX9nDBLrPgJ2PA8rq3I+VrWdJJ+NzOr1QPyv4ahNMzdy/fiVWI4k23/CR 3oM9owVwz9A== X-Received: from dlbrl15.prod.google.com ([2002:a05:7022:f50f:b0:12c:177a:ac1d]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:11f:b0:128:bf8d:44d2 with SMTP id a92af1059eb24-12ddd944310mr790909c88.2.1777360790350; Tue, 28 Apr 2026 00:19:50 -0700 (PDT) Date: Tue, 28 Apr 2026 00:18:21 -0700 In-Reply-To: <20260428071903.1886173-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260425224951.174663-1-irogers@google.com> <20260428071903.1886173-1-irogers@google.com> X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog Message-ID: <20260428071903.1886173-17-irogers@google.com> Subject: [PATCH v8 16/58] perf python: Add mmap2 event From: Ian Rogers To: acme@kernel.org, namhyung@kernel.org Cc: adrian.hunter@intel.com, alice.mei.rogers@gmail.com, dapeng1.mi@linux.intel.com, james.clark@linaro.org, leo.yan@linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tmricht@linux.ibm.com, Ian Rogers Content-Type: text/plain; charset="UTF-8" If mmap is handled so should mmap2 events. Add support as a distinct python event type. Assisted-by: Gemini:gemini-3.1-pro-preview Signed-off-by: Ian Rogers --- tools/perf/util/python.c | 60 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 1ca296000351..ae009bc9a0d7 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -151,6 +151,54 @@ static PyTypeObject pyrf_mmap_event__type = { .tp_repr = (reprfunc)pyrf_mmap_event__repr, }; +static const char pyrf_mmap2_event__doc[] = PyDoc_STR("perf mmap2 event object."); + +static PyMemberDef pyrf_mmap2_event__members[] = { + sample_members + member_def(perf_event_header, type, T_UINT, "event type"), + member_def(perf_event_header, misc, T_UINT, "event misc"), + member_def(perf_record_mmap2, pid, T_UINT, "event pid"), + member_def(perf_record_mmap2, tid, T_UINT, "event tid"), + member_def(perf_record_mmap2, start, T_ULONGLONG, "start of the map"), + member_def(perf_record_mmap2, len, T_ULONGLONG, "map length"), + member_def(perf_record_mmap2, pgoff, T_ULONGLONG, "page offset"), + member_def(perf_record_mmap2, prot, T_UINT, "protection"), + member_def(perf_record_mmap2, flags, T_UINT, "flags"), + member_def(perf_record_mmap2, filename, T_STRING_INPLACE, "backing store"), + { .name = NULL, }, +}; + +static PyObject *pyrf_mmap2_event__repr(const struct pyrf_event *pevent) +{ + PyObject *ret; + char *s; + + if (asprintf(&s, "{ type: mmap2, pid: %u, tid: %u, start: %#" PRI_lx64 ", " + "length: %#" PRI_lx64 ", offset: %#" PRI_lx64 ", " + "flags: %#x, prot: %#x, filename: %s }", + pevent->event.mmap2.pid, pevent->event.mmap2.tid, + pevent->event.mmap2.start, pevent->event.mmap2.len, + pevent->event.mmap2.pgoff, pevent->event.mmap2.flags, + pevent->event.mmap2.prot, pevent->event.mmap2.filename) < 0) + return PyErr_NoMemory(); + + ret = PyUnicode_FromString(s); + free(s); + return ret; +} + +static PyTypeObject pyrf_mmap2_event__type = { + PyVarObject_HEAD_INIT(NULL, 0) + .tp_name = "perf.mmap2_event", + .tp_basicsize = sizeof(struct pyrf_event), + .tp_dealloc = (destructor)pyrf_event__delete, + .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, + .tp_doc = pyrf_mmap2_event__doc, + .tp_members = pyrf_mmap2_event__members, + .tp_getset = pyrf_event__getset, + .tp_repr = (reprfunc)pyrf_mmap2_event__repr, +}; + static const char pyrf_task_event__doc[] = PyDoc_STR("perf task (fork/exit) event object."); static PyMemberDef pyrf_task_event__members[] = { @@ -776,6 +824,9 @@ static int pyrf_event__setup_types(void) int err; err = PyType_Ready(&pyrf_mmap_event__type); + if (err < 0) + goto out; + err = PyType_Ready(&pyrf_mmap2_event__type); if (err < 0) goto out; err = PyType_Ready(&pyrf_lost_event__type); @@ -805,6 +856,7 @@ static int pyrf_event__setup_types(void) static PyTypeObject *pyrf_event__type[] = { [PERF_RECORD_MMAP] = &pyrf_mmap_event__type, + [PERF_RECORD_MMAP2] = &pyrf_mmap2_event__type, [PERF_RECORD_LOST] = &pyrf_lost_event__type, [PERF_RECORD_COMM] = &pyrf_comm_event__type, [PERF_RECORD_EXIT] = &pyrf_task_event__type, @@ -971,6 +1023,11 @@ static PyObject *pyrf_event__new(const union perf_event *event, struct evsel *ev size_t max_len = pevent->event.header.size - offsetof(struct perf_record_mmap, filename); pevent->event.mmap.filename[max_len - 1] = '\0'; + } else if (event->header.type == PERF_RECORD_MMAP2) { + /* Ensure '\0' string termination. */ + size_t max_len = pevent->event.header.size - offsetof(struct perf_record_mmap2, filename); + + pevent->event.mmap2.filename[max_len - 1] = '\0'; } perf_sample__init(&pevent->sample, /*all=*/true); @@ -3234,6 +3291,9 @@ PyMODINIT_FUNC PyInit_perf(void) Py_INCREF(&pyrf_mmap_event__type); PyModule_AddObject(module, "mmap_event", (PyObject *)&pyrf_mmap_event__type); + Py_INCREF(&pyrf_mmap2_event__type); + PyModule_AddObject(module, "mmap2_event", (PyObject *)&pyrf_mmap2_event__type); + Py_INCREF(&pyrf_lost_event__type); PyModule_AddObject(module, "lost_event", (PyObject *)&pyrf_lost_event__type); -- 2.54.0.545.g6539524ca2-goog