mirror of
https://git.FreeBSD.org/ports.git
synced 2024-10-19 19:59:43 +00:00
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
--- memstat.cpp.orig 2021-11-05 10:06:40 UTC
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+++ memstat.cpp
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@@ -26,10 +26,58 @@
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#include "memstat.h"
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#include "memstat_p.h"
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+#if defined(HAVE_KVM_H) && defined(HAVE_SYSCTL_H)
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+extern "C"
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+{
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+ #include <paths.h>
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+ #include <unistd.h>
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+ #include <fcntl.h>
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+ #include <kvm.h>
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+ #include <sys/types.h>
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+ #include <sys/sysctl.h>
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+}
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+#endif
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namespace SysStat {
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+#ifdef HAVE_SYSCTL_H
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+int SwapDevices()
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+{
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+ int buf;
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+ size_t len = sizeof(int);
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+ if (sysctlbyname("vm.nswapdev", &buf, &len, NULL, 0) < 0)
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+ return 0;
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+ else
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+ return buf;
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+}
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+
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+qulonglong MemGetByBytes(QString property)
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+{
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+ qulonglong buf=0;
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+ size_t len = sizeof(qulonglong);
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+
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+ std::string s = property.toStdString();
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+ const char *name = s.c_str();
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+
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+ if (sysctlbyname(name, &buf, &len, NULL, 0) < 0)
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+ return 0;
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+ else
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+ return buf;
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+}
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+
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+qulonglong MemGetByPages(QString name)
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+{
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+ qulonglong res = 0;
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+
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+
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+ res = MemGetByBytes(name);
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+ if (res > 0)
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+ res = res * getpagesize();
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+
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+ return res;
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+}
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+#endif
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MemStatPrivate::MemStatPrivate(MemStat *parent)
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: BaseStatPrivate(parent)
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{
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@@ -49,8 +97,39 @@ void MemStatPrivate::timeout()
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qulonglong memBuffers = 0;
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qulonglong memCached = 0;
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qulonglong swapTotal = 0;
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- qulonglong swapFree = 0;
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+#ifdef HAVE_SYSCTL_H
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+ memTotal = MemGetByBytes(QLatin1String("hw.physmem"));
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+ memFree = MemGetByPages(QLatin1String("vm.stats.vm.v_free_count"));
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+ memBuffers = MemGetByBytes(QLatin1String("vfs.bufspace"));
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+ memCached = MemGetByPages(QLatin1String("vm.stats.vm.v_inactive_count"));
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+#endif
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+#ifdef HAVE_KVM_H
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+ qulonglong swapUsed = 0;
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+ kvm_t *kd;
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+ struct kvm_swap kswap[16]; /* size taken from pstat/pstat.c */
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+
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+ kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
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+ if (kd == NULL)
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+ kvm_close(kd);
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+
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+ if (kvm_getswapinfo(kd, kswap, (sizeof(kswap) / sizeof(kswap[0])), SWIF_DEV_PREFIX) > 0)
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+ {
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+ int swapd = SwapDevices();
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+ /* TODO: loop over swap devives */
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+ if (swapd >= 1)
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+ {
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+ swapTotal = static_cast<qulonglong>(kswap[0].ksw_total * getpagesize());
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+ swapUsed = static_cast<qulonglong>(kswap[0].ksw_used * getpagesize());
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+ }
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+
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+ kvm_close(kd);
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+ }
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+ else
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+ kvm_close(kd);
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+#endif
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+#ifndef HAVE_SYSCTL_H
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+ qulonglong swapFree = 0;
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const QStringList rows = readAllFile("/proc/meminfo").split(QLatin1Char('\n'), Qt::SkipEmptyParts);
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for (const QString &row : rows)
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{
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@@ -72,6 +151,7 @@ void MemStatPrivate::timeout()
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swapFree = tokens[1].toULong();
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}
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+#endif
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if (mSource == QLatin1String("memory"))
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{
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if (memTotal)
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@@ -88,8 +168,11 @@ void MemStatPrivate::timeout()
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{
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if (swapTotal)
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{
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+#ifndef HAVE_KVM_H
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float swapUsed_d = static_cast<float>(swapTotal - swapFree) / static_cast<float>(swapTotal);
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-
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+#else
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+ float swapUsed_d = static_cast<float>(swapUsed) / static_cast<float>(swapTotal);
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+#endif
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emit swapUpdate(swapUsed_d);
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}
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}
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