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AFNElJ+UD6d5WJt7yk9S2v6hqi/9lpQ+/cF6uc6BnWn3iI6kM1xpEFqqQgq2w1XtLvdtNGUMhpBQiIvWYUtHNuLQfnHs@vger.kernel.org X-Gm-Message-State: AOJu0YwbcXpG8opums5kJ028Fv+DFPEaOslQ4Lu3XAdVkxiH4TOomZix JAfa5lHpJOqqnYNJwj/XDMAEWIW1DMn1U06EZv/XoO2i7Zi91MPA20bQ0ha7y4XReGRMOGtKdMT udisgDKDX+g== X-Received: from dlbqc5.prod.google.com ([2002:a05:7023:a85:b0:12c:20b9:8109]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:ec07:b0:11d:f89d:85a0 with SMTP id a92af1059eb24-12c73fa5a0cmr5603462c88.27.1776643196469; Sun, 19 Apr 2026 16:59:56 -0700 (PDT) Date: Sun, 19 Apr 2026 16:58:28 -0700 In-Reply-To: <20260419235911.2186050-1-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: <20260419235911.2186050-1-irogers@google.com> X-Mailer: git-send-email 2.54.0.rc1.513.gad8abe7a5a-goog Message-ID: <20260419235911.2186050-17-irogers@google.com> Subject: [PATCH v1 16/58] perf python: Add syscall name/id to convert syscall number and name From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Adrian Hunter , James Clark , Alice Rogers , Suzuki K Poulose , Mike Leach , John Garry , Leo Yan , Yicong Yang , Jonathan Cameron , Nick Terrell , David Sterba , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Alexandre Chartre , Dmitrii Dolgov <9erthalion6@gmail.com>, Yuzhuo Jing , Blake Jones , Changbin Du , Gautam Menghani , Wangyang Guo , Pan Deng , Zhiguo Zhou , Tianyou Li , Thomas Falcon , Athira Rajeev , Collin Funk , Dapeng Mi , Ravi Bangoria , Zecheng Li , tanze , Thomas Richter , Ankur Arora , "Tycho Andersen (AMD)" , Howard Chu , Sun Jian , Derek Foreman , Swapnil Sapkal , Anubhav Shelat , Ricky Ringler , Qinxin Xia , Aditya Bodkhe , Chun-Tse Shao , Stephen Brennan , Yang Li , Chuck Lever , Chen Ni , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org Cc: Ian Rogers 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. Signed-off-by: Ian Rogers --- tools/perf/util/python.c | 44 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index b68668c267d8..84a186532353 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -13,6 +13,7 @@ #include "counts.h" #include "data.h" #include "debug.h" +#include "dwarf-regs.h" #include "event.h" #include "evlist.h" #include "evsel.h" @@ -25,6 +26,7 @@ #include "session.h" #include "strbuf.h" #include "symbol.h" +#include "syscalltbl.h" #include "thread.h" #include "thread_map.h" #include "tool.h" @@ -2581,6 +2583,36 @@ static int pyrf_session__setup_types(void) return PyType_Ready(&pyrf_session__type); } +static PyObject *pyrf__syscall_name(PyObject *self, PyObject *args) +{ + const char *name; + int id; + + if (!PyArg_ParseTuple(args, "i", &id)) + return NULL; + + name = syscalltbl__name(EM_HOST, id); + if (!name) + Py_RETURN_NONE; + return PyUnicode_FromString(name); +} + +static PyObject *pyrf__syscall_id(PyObject *self, PyObject *args) +{ + const char *name; + int id; + + if (!PyArg_ParseTuple(args, "s", &name)) + return NULL; + + id = syscalltbl__id(EM_HOST, name); + if (id < 0) { + PyErr_Format(PyExc_TypeError, "Failed to find syscall %s", name); + return NULL; + } + return PyLong_FromLong(id); +} + static PyMethodDef perf__methods[] = { { .ml_name = "metrics", @@ -2614,6 +2646,18 @@ 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, + .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, + .ml_doc = PyDoc_STR("Turns a syscall name number to a number.") + }, { .ml_name = NULL, } }; -- 2.54.0.rc1.513.gad8abe7a5a-goog