1 files changed, 102 insertions, 0 deletions
diff --git a/psutil/arch/netbsd/cpu.c b/psutil/arch/netbsd/cpu.c
new file mode 100644
index 00000000..33eb906f
--- /dev/null
+++ b/psutil/arch/netbsd/cpu.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2009, Giampaolo Rodola', Landry Breuil.
+ * All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <Python.h>
+#include <sys/sysctl.h>
+#include <uvm/uvm_extern.h>
+
+
+/*
+CPU related functions. Original code was refactored and moved from
+psutil/arch/netbsd/specific.c in 2023 (and was moved in there previously
+already) from cset 84219ad. For reference, here's the git history with
+original(ish) implementations:
+- per CPU times: 312442ad2a5b5d0c608476c5ab3e267735c3bc59 (Jan 2016)
+- CPU stats: a991494e4502e1235ebc62b5ba450287d0dedec0 (Jan 2016)
+*/
+
+
+PyObject *
+psutil_cpu_stats(PyObject *self, PyObject *args) {
+    size_t size;
+    struct uvmexp_sysctl uv;
+    int uvmexp_mib[] = {CTL_VM, VM_UVMEXP2};
+
+    size = sizeof(uv);
+    if (sysctl(uvmexp_mib, 2, &uv, &size, NULL, 0) < 0) {
+        PyErr_SetFromErrno(PyExc_OSError);
+        return NULL;
+    }
+
+    return Py_BuildValue(
+        "IIIIIII",
+        uv.swtch,  // ctx switches
+        uv.intrs,  // interrupts - XXX always 0, will be determined via /proc
+        uv.softs,  // soft interrupts
+        uv.syscalls,  // syscalls - XXX always 0
+        uv.traps,  // traps
+        uv.faults,  // faults
+        uv.forks  // forks
+    );
+}
+
+
+PyObject *
+psutil_per_cpu_times(PyObject *self, PyObject *args) {
+    int mib[3];
+    int ncpu;
+    size_t len;
+    size_t size;
+    int i;
+    PyObject *py_cputime = NULL;
+    PyObject *py_retlist = PyList_New(0);
+
+    if (py_retlist == NULL)
+        return NULL;
+    // retrieve the number of cpus
+    mib[0] = CTL_HW;
+    mib[1] = HW_NCPU;
+    len = sizeof(ncpu);
+    if (sysctl(mib, 2, &ncpu, &len, NULL, 0) == -1) {
+        PyErr_SetFromErrno(PyExc_OSError);
+        goto error;
+    }
+    uint64_t cpu_time[CPUSTATES];
+
+    for (i = 0; i < ncpu; i++) {
+        // per-cpu info
+        mib[0] = CTL_KERN;
+        mib[1] = KERN_CP_TIME;
+        mib[2] = i;
+        size = sizeof(cpu_time);
+        if (sysctl(mib, 3, &cpu_time, &size, NULL, 0) == -1) {
+            PyErr_SetFromErrno(PyExc_OSError);
+            return NULL;
+        }
+
+        py_cputime = Py_BuildValue(
+            "(ddddd)",
+            (double)cpu_time[CP_USER] / CLOCKS_PER_SEC,
+            (double)cpu_time[CP_NICE] / CLOCKS_PER_SEC,
+            (double)cpu_time[CP_SYS] / CLOCKS_PER_SEC,
+            (double)cpu_time[CP_IDLE] / CLOCKS_PER_SEC,
+            (double)cpu_time[CP_INTR] / CLOCKS_PER_SEC
+        );
+        if (!py_cputime)
+            goto error;
+        if (PyList_Append(py_retlist, py_cputime))
+            goto error;
+        Py_DECREF(py_cputime);
+    }
+
+    return py_retlist;
+
+error:
+    Py_XDECREF(py_cputime);
+    Py_DECREF(py_retlist);
+    return NULL;
+}