From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dl1-f74.google.com (mail-dl1-f74.google.com [74.125.82.74]) (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 C0BC44D8D83 for ; Thu, 11 Jun 2026 17:19:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781198356; cv=none; b=rKRhGnv2EtfULwNlUL4pSNjKjzCIy4Nnt+q6ze3qS0ue1l8kU8i+ayiscdNO1fq5AkTUl6pme6vH1CsmovnhAsngVnHy7ACsfzD8rY4rVdnfvLgSAuXzr7yEtI6n/5bTX6a5+LpWPDulb/i23ZpzdBcKYGxsHlTTbYtOb/QaIB0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781198356; c=relaxed/simple; bh=Qhnj4TSCJahH6PJibpCTJes14hfzo8V6BZLxy5gk9ng=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=XEFAWcfm7pSgApjyVLSRcf/eOsUNUZ4r9+6Mvh29yEi+0BCabvp0Fg4ZRK41oINkI1uK2bbVKX29WxgtiOE5zhJhjUQdLrc704MeIDGpbetQWmJxCNKZUXqodjoXhjzMiSeI/8fUcdp4YvoIRKbggBQlrix/eYBP0WcrT4tUiMw= 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=VHeeb0db; arc=none smtp.client-ip=74.125.82.74 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="VHeeb0db" Received: by mail-dl1-f74.google.com with SMTP id a92af1059eb24-1383678095cso215112c88.0 for ; Thu, 11 Jun 2026 10:19:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1781198349; x=1781803149; 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=oBXxRqTrr5JWKSddHPZ8Jmmc29dDcI85ARjTfI3iIe0=; b=VHeeb0db5QOEkjXvINCJ+YlvYb4qNiIxwcHV++45xezqz2bmom/11Jq/WBl8pLom97 WaUondrJ1HJ2zwjxu7zJoLdYrpInqWe31hSYawYB+NBHeJYR94OwbWrL4u+fyuAVJd90 shMAUMsss54b7OlSEb2eMoG2nyJvRDkLnKgAdQ3FxG0tmJ2K6g5xRlPjzS2LEyTQYOuH kmLltBbMFqFrBPMDxUKy17vACmIE5rgAeovbGViICEiUyS6274CzmJe3TNDiPYzvbi29 9PGZuCM6nfh1FdmyjfvFe8aKMdd0TdbV7sFrCbHAAM0h+2wtxRealrqPkGbmY06prRH0 547w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781198349; x=1781803149; 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=oBXxRqTrr5JWKSddHPZ8Jmmc29dDcI85ARjTfI3iIe0=; b=VE3PKH5isHRVm/lrgckLxcP+EDCyD79UeF7KfYv545gy6c1096YNklhgAudVJf9znD ZXQ3oP0bfWwwpxTV9Icyw1aPzZjTuYe+c7SgBl1bcAMXRi0SAY910HJf9v5Br4V7Jr6x M2xDpqI/YpSzpuKc+VPj36OJRy4QpRmL+RWy26yiYTxWDPsCv1UbPX3DCvlpEeQDxfup fvEHuKWIHPiR1IuJZ51u1jwORimEaVWtWdw6KVNp/hi8vFSXtivhU9OKnW7CYG8EvvrL JFKf+Dar5dQ4eEieJQpAMqQI3DmqxEfxTiWUZwiWWkz1LzdG7BPkkXKrFYt6HG2FxRPq vfbg== X-Forwarded-Encrypted: i=1; AFNElJ+aMtW3Q0rv75USTiEp6kUvD9GcE+rXgAcayhxQLEIHf45xhJffzxzyRKJ/mX3NVsFWqju/TenzomiB7xM=@vger.kernel.org X-Gm-Message-State: AOJu0YxmYzyspc4pIt+SZyMcC64hxFymiQ754YSjyhGfg6yU8SeGe/Rm uSkY2sLrnVhSDWjtOcVcr45BpO6pAttmooESFF5o090XwBGmUk/uALEMGKeN+F3N6q+xRksJGAR YTuSfpmkMXw== X-Received: from dlbti13.prod.google.com ([2002:a05:7022:1b0d:b0:135:9081:542c]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:985:b0:136:602b:80ac with SMTP id a92af1059eb24-138421cd97emr2262900c88.27.1781198348483; Thu, 11 Jun 2026 10:19:08 -0700 (PDT) Date: Thu, 11 Jun 2026 10:17:53 -0700 In-Reply-To: <20260611171756.4008769-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260605191500.2477026-1-irogers@google.com> <20260611171756.4008769-1-irogers@google.com> X-Mailer: git-send-email 2.54.0.1136.gdb2ca164c4-goog Message-ID: <20260611171756.4008769-17-irogers@google.com> Subject: [PATCH v12 16/19] perf python: Add syscall name/id to convert syscall number and name From: Ian Rogers To: irogers@google.com Cc: acme@kernel.org, adrian.hunter@intel.com, alice.mei.rogers@gmail.com, dapeng1.mi@linux.intel.com, james.clark@linaro.org, leo.yan@linux.dev, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mingo@redhat.com, namhyung@kernel.org, peterz@infradead.org, tmricht@linux.ibm.com Content-Type: text/plain; charset="UTF-8" Use perf's syscalltbl support to convert syscall number to name assuming the number is for the host machine. This avoids python libaudit support as tools/perf/scripts/python/syscall-counts.py requires. Assisted-by: Gemini:gemini-3.1-pro-preview Signed-off-by: Ian Rogers --- v2: 1. Guarded with HAVE_LIBTRACEEVENT : Wrapped the syscall functions and their entries in perf__methods with #ifdef HAVE_LIBTRACEEVENT to avoid potential linker errors if CONFIG_TRACE is disabled. 2. Changed Exception Type: Updated pyrf__syscall_id to raise a ValueError instead of a TypeError when a syscall is not found. 3. Fixed Typo: Corrected "name number" to "name" in the docstring for syscall_id. v6: - Added optional keyword-only `elf_machine` argument to `syscall_name` and `syscall_id`. v7: - Made syscalltbl.o unconditional in Build to fix undefined symbol when building without libtraceevent. --- tools/perf/util/Build | 1 - tools/perf/util/python.c | 48 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index b22cdc24082a..cb180dd77222 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -75,7 +75,6 @@ perf-util-y += sample.o perf-util-y += sample-raw.o perf-util-y += s390-sample-raw.o perf-util-y += amd-sample-raw.o - perf-util-y += ordered-events.o perf-util-y += namespaces.o perf-util-y += comm.o diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 56449183a9e7..fe332cb59862 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -21,6 +21,7 @@ #include "data.h" #include "debug.h" #include "dso.h" +#include "dwarf-regs.h" #include "event.h" #include "branch.h" #include "evlist.h" @@ -40,6 +41,7 @@ #include "symbol.h" #include "stat.h" #include "header.h" +#include "trace/beauty/syscalltbl.h" #include "thread.h" #include "thread_map.h" #include "tool.h" @@ -3951,6 +3953,40 @@ static int pyrf_session__setup_types(void) return PyType_Ready(&pyrf_session__type); } +static PyObject *pyrf__syscall_name(PyObject *self, PyObject *args, PyObject *kwargs) +{ + const char *name; + int id; + int elf_machine = EM_HOST; + static char *kwlist[] = { "id", "elf_machine", NULL }; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|$i", kwlist, &id, &elf_machine)) + return NULL; + + name = syscalltbl__name(elf_machine, id); + if (!name) + Py_RETURN_NONE; + return PyUnicode_FromString(name); +} + +static PyObject *pyrf__syscall_id(PyObject *self, PyObject *args, PyObject *kwargs) +{ + const char *name; + int id; + int elf_machine = EM_HOST; + static char *kwlist[] = { "name", "elf_machine", NULL }; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|$i", kwlist, &name, &elf_machine)) + return NULL; + + id = syscalltbl__id(elf_machine, name); + if (id < 0) { + PyErr_Format(PyExc_ValueError, "Failed to find syscall %s", name); + return NULL; + } + return PyLong_FromLong(id); +} + static PyMethodDef perf__methods[] = { { .ml_name = "metrics", @@ -3984,6 +4020,18 @@ static PyMethodDef perf__methods[] = { .ml_flags = METH_NOARGS, .ml_doc = PyDoc_STR("Returns a sequence of pmus.") }, + { + .ml_name = "syscall_name", + .ml_meth = (PyCFunction) pyrf__syscall_name, + .ml_flags = METH_VARARGS | METH_KEYWORDS, + .ml_doc = PyDoc_STR("Turns a syscall number to a string.") + }, + { + .ml_name = "syscall_id", + .ml_meth = (PyCFunction) pyrf__syscall_id, + .ml_flags = METH_VARARGS | METH_KEYWORDS, + .ml_doc = PyDoc_STR("Turns a syscall name to a number.") + }, { .ml_name = NULL, } }; -- 2.54.0.1136.gdb2ca164c4-goog